A battery pack fixing bracket

Abstract

The application discloses a battery pack fixing support, which comprises a battery pack, a nickel sheet, a base plate, a protection plate and a fixing frame. The base plate is located between two adjacent battery cells arranged side by side in the battery pack along a first direction, and a plurality of installation grooves are formed in the base plate along the first direction. The protection plate is located on the upper side of the battery pack and connected with the nickel sheet in the battery pack. The fixing frame comprises a buckle and a support plate arranged oppositely and spaced apart. One end of the buckle is fixedly arranged in the installation groove, and the other end of the buckle is arranged between two adjacent battery cells arranged side by side in the battery pack along a second direction. One end of the support plate is fixedly arranged on the base plate, and the other end of the support plate is connected with the protection plate. The end of the support plate away from the base plate is matched with the end of the buckle away from the base plate, and the battery cells in the battery pack are fixedly covered by the support plate. The base plate, the protection plate and the fixing frame are combined, and the technical problem of poor contact caused by the loose connection between the battery cells in the battery pack is effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of battery production and processing equipment technology, and in particular to a battery pack fixing bracket. Background Technology

[0002] With the diversification of electrical products and their increasing functional integration, battery packs, as corresponding power accessories for these products, have become more diverse and irregular in shape, posing greater challenges to their manufacturing. Currently, most battery packs are composed of multiple cells connected in series and parallel using nickel strips. This structure is prone to causing unreliable connections between cells, leading to poor contact and ultimately inconsistent quality in the produced battery packs.

[0003] In view of this, this application provides a battery pack mounting bracket for solving the above-mentioned technical problems. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a battery pack mounting bracket. The mounting bracket is connected to an external battery pack, which includes nickel plates and multiple battery cells connected in series and parallel. The multiple battery cells are connected and assembled into a whole via nickel plates. The mounting bracket includes a base plate and a protective plate orthogonally arranged along a first direction, and a mounting frame, wherein:

[0005] The substrate is located between two adjacent cells arranged side by side along the first direction in the battery pack, and the substrate has multiple mounting slots along the first direction.

[0006] The protection plate is located on the upper side of the battery pack and is connected to the nickel sheet in the battery pack;

[0007] The fixing frame includes a buckle and a bracket plate that are relatively spaced apart on the substrate. One end of the buckle is fixedly disposed in the mounting groove, and the other end of the buckle is disposed between two adjacent cells arranged side by side along the second direction in the battery pack. One end of the bracket plate is fixedly disposed on the substrate, and the other end of the bracket plate is connected to the protection plate. The end of the bracket plate away from the substrate matches the end of the buckle away from the substrate for covering and fixing the cells in the battery pack.

[0008] Furthermore, a reinforcing rib is connected to the middle of the substrate and is orthogonal to the substrate and arranged along a third direction. The two ends of the reinforcing rib are respectively located between two adjacent cells in the battery pack connected in series along the first direction on both sides of the substrate.

[0009] Furthermore, the support plate is connected to a positioning post, and the protective plate is provided with positioning holes that match the positioning post.

[0010] Furthermore, both the buckle and the bracket plate are arc-shaped plates that match the outer circumferential surface of the cylindrical cells in the battery pack.

[0011] Furthermore, both the buckle and the bracket plate are L-shaped plates that match the outer periphery of the square cells in the battery pack.

[0012] Compared with existing technologies, the battery pack mounting bracket provided in this application connects the series-parallel connected battery cells to the protection board using nickel sheets to form a whole. Simultaneously, it isolates and secures the parallel-arranged battery cells in the battery pack using clips, a bracket plate, and a base plate. This design allows for sufficient space between the cells for heat dissipation while ensuring highly reliable connections between them. Therefore, the battery pack mounting bracket provided in this application guarantees reliable connections between the battery cells, solving the technical problem of poor contact caused by unreliable cell connections in existing technologies. Attached Figure Description

[0013] Figure 1 This is an exploded view showing the connection between the battery pack mounting bracket and the battery pack in some embodiments of this application.

[0014] Figure 2 This is a bottom view of the battery pack mounting bracket without the protective plate in some embodiments of this application.

[0015] Figure 3 This is a schematic diagram of the connection structure between the battery pack mounting bracket and the battery pack in some embodiments of this application.

[0016] In the diagram: 1. Nickel sheet, 2. Battery cell, 3. Substrate, 31. Mounting groove, 4. Protective plate, 5. Fixing frame, 51. Buckle, 52. Support plate, 6. Reinforcing rib, 7. Positioning post, 8. Positioning hole. Detailed Implementation

[0017] To facilitate understanding of the structure and operation of this utility model, the following description, in conjunction with the accompanying drawings and optimized embodiments, provides a more comprehensive and detailed account of the utility model. However, the scope of protection of this utility model is not limited to the specific embodiments described below. It should be noted that, without affecting the effectiveness of use, the structural features and component dimensions, connection methods, and device sizes in the embodiments of this utility model can be changed.

[0018] Unless otherwise defined, all technical terms used below have the same meaning as commonly understood by those skilled in the art. The terms "first," "second," and similar terms used in this utility model patent application specification and claims do not indicate any order, quantity, or importance, but are merely for the purpose of distinguishing corresponding components. Similarly, the terms "a" or "one," etc., do not indicate a quantity limitation, but rather indicate the presence of at least one. Terms such as "connection" or "connected" are not limited to direct connections, but can refer to indirect connections through other intermediate connecting parts. Terms such as "above," "below," "one side," "the other side," "vertical," and "horizontal" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship also changes accordingly.

[0019] It should be noted that, such as Figure 1 As shown, in this embodiment, the first direction refers to the Z-axis direction, the second direction refers to the Y-axis direction, and the third direction refers to the X-axis direction.

[0020] Please see Figures 1-3 As shown in the figure, an embodiment of this application provides a battery pack mounting bracket, which is connected to an external battery pack. The battery pack includes nickel plates 1 and multiple battery cells 2 connected in series and parallel. The multiple battery cells 2 are connected and assembled into a whole by nickel plates 1. The mounting bracket includes a base plate 3 and a protective plate 4 orthogonally arranged along a first direction, and a mounting frame 5, wherein:

[0021] The substrate 3 is located between two adjacent cells 2 arranged side by side along the first direction in the battery pack, and the substrate 3 is provided with a plurality of mounting slots 31 along the first direction.

[0022] The protection plate 4 is located on the upper side of the battery pack and is connected to the nickel sheet 1 in the battery pack;

[0023] The fixing frame 5 includes a buckle 51 and a bracket plate 52 that are relatively spaced apart on the substrate 3. One end of the buckle 51 is fixedly disposed in the mounting groove 31, and the other end of the buckle 51 is disposed between two adjacent cells 2 arranged side by side along the second direction in the battery pack. One end of the bracket plate 52 is fixedly disposed on the substrate 3, and the other end of the bracket plate 52 is connected to the protection plate 4. The end of the bracket plate 52 away from the substrate 3 matches the end of the buckle 51 away from the substrate 3 for covering and fixing the cells 2 in the battery pack.

[0024] In the above embodiment, the substrate 3 and the protective plate 4 are arranged along the first direction and orthogonally. The substrate 3 is located between the cells 2 arranged in parallel along the first direction. The cells 2 arranged in parallel along the second direction are connected to one end of the buckle 51, thus leaving a gap between the cells 2 arranged in parallel along the second direction. This structure facilitates heat dissipation of the cells 2. The series-parallel connected cells 2 are connected to the protective plate 4 by the nickel sheet 1 to form a whole (i.e., a battery pack). Moreover, the buckle 51, the bracket plate 52 and the substrate 3 isolate and cover the cells 2 arranged in parallel in the battery pack, thus leaving a gap between the cells 2 in the battery pack to facilitate heat dissipation, and also ensuring that the connection between the cells 2 is extremely reliable. Therefore, the battery pack fixing bracket provided in this application can ensure the reliability of the connection between the cells 2 in the battery pack, and solves the technical problem of poor contact caused by unreliable connection between cells in the prior art.

[0025] In some embodiments, a reinforcing rib 6 is connected to the middle of the substrate 3 and is orthogonal to the substrate 3 and arranged along a third direction. The two ends of the reinforcing rib 6 are respectively located between two adjacent cells 2 connected in series along the first direction on both sides of the substrate 3.

[0026] In the above embodiments, by setting the reinforcing rib 6, on the one hand, it can isolate and insulate the two adjacent battery cells 2 connected in series in the first direction, thereby leaving a gap. This structure increases the heat dissipation area of ​​the battery cell 2 and effectively improves the heat dissipation effect; on the other hand, it can strengthen the structural strength of the substrate 3, thereby enhancing the load-bearing capacity of the fixed bracket.

[0027] In some embodiments, a positioning post 7 is connected to the support plate 52, and a positioning hole 8 matching the positioning post 7 is provided on the protective plate 4.

[0028] In the above embodiments, the protective plate 4 is provided with at least two diagonal positioning holes 8, and the support plate 52 is provided with positioning posts 7 that match the positioning holes 8 at opposite positions. In this embodiment, the protective plate 4 is provided with two positioning holes 8. In other embodiments, the protective plate 4 can be provided with four positioning holes 8, that is, one positioning hole 8 is provided at each of the four diagonal corners of the protective plate 4.

[0029] In the above embodiments, the positioning pins 7 and positioning holes 8 are matched to quickly achieve the matching and installation of the protective plate 4 and the bracket plate 52, which plays a role in positioning and preventing mistaken installation.

[0030] In some embodiments, the buckle 51 and the bracket plate 52 are both arc-shaped plates that match the outer peripheral surface of the cylindrical cells in the battery pack.

[0031] In the above embodiments, when the cell 2 in the battery pack is a cylindrical cell, both the buckle 51 and the bracket plate 52 are arc-shaped structures, and the arc shape of the buckle 51 and the arc shape of the bracket plate 52 are matched with the outer peripheral surface of the cylindrical cell. This structure enables the buckle 51 and the bracket plate 52 to cover and fix each cell 2, thereby ensuring a firm connection between adjacent cells 2 in the battery pack.

[0032] In some embodiments, the buckle 51 and the bracket plate 52 are both L-shaped plates that match the outer peripheral surface of the square cells in the battery pack.

[0033] In the above embodiments, when the cell 2 in the battery pack is a square cell, both the buckle 51 and the bracket plate 52 are L-shaped structures, and the L-shape of the buckle 51 and the L-shape of the bracket plate 52 are arranged opposite to each other and both match the outer peripheral surface of the cylindrical cell. This structure allows the buckle 51 and the bracket plate 52 to cover and fix each cell 2, thereby ensuring a firm connection between adjacent cells 2 in the battery pack.

[0034] The battery pack mounting bracket provided by this utility model has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the core idea of ​​this utility model. It should be noted that those skilled in the art can make several improvements and modifications to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A battery pack mounting bracket, characterized in that, The fixing bracket is connected to an external battery pack, which includes nickel sheets (1) and multiple cells (2) connected in series and parallel. The multiple cells (2) are connected and assembled into a whole by nickel sheets (1). The fixing bracket includes a base plate (3) and a protective plate (4) orthogonally arranged along a first direction, and a fixing frame (5), wherein: The substrate (3) is located between two adjacent cells (2) arranged side by side along the first direction in the battery pack, and the substrate (3) has a plurality of mounting slots (31) along the first direction; The protection plate (4) is located on the upper side of the battery pack and is connected to the nickel sheet (1) in the battery pack; The fixing frame (5) includes a buckle (51) and a bracket plate (52) that are relatively spaced on the substrate (3). One end of the buckle (51) is fixedly disposed in the mounting groove (31), and the other end of the buckle (51) is disposed between two adjacent cells (2) arranged side by side along the second direction in the battery pack. One end of the bracket plate (52) is fixedly disposed on the substrate (3), and the other end of the bracket plate (52) is connected to the protection plate (4). The end of the bracket plate (52) away from the substrate (3) matches the end of the buckle (51) away from the substrate (3) for covering and fixing the cells (2) in the battery pack.

2. The battery pack mounting bracket as described in claim 1, characterized in that, The substrate (3) is connected to a reinforcing rib (6) that is orthogonal to the substrate (3) and arranged along a third direction. The two ends of the reinforcing rib (6) are located on both sides of the substrate (3) between two adjacent cells (2) connected in series along the first direction in the battery pack.

3. The battery pack mounting bracket as described in claim 2, characterized in that, The bracket plate (52) is connected to a positioning post (7), and the protective plate (4) is provided with a positioning hole (8) that matches the positioning post (7).

4. The battery pack mounting bracket as described in claim 1, characterized in that, Both the buckle (51) and the bracket plate (52) are arc-shaped plates that match the outer circumferential surface of the cylindrical cells in the battery pack.

5. The battery pack mounting bracket as described in claim 1, characterized in that, Both the buckle (51) and the bracket plate (52) are L-shaped plates that match the outer periphery of the square cells in the battery pack.

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