Battery pack tray integrated die casting and its mold flow channel structure

Abstract

This utility model relates to the field of battery pack tray structure technology, and in particular to an integral die-cast battery pack tray and its mold flow channel structure; the battery pack tray body includes an integrally die-cast base plate frame, a first side plate and a second side plate; one end of the first side plate is perpendicularly connected to the first side of the base plate in the X direction, and one end of the second side plate is perpendicularly connected to the second side of the base plate opposite to the X direction, so that the battery pack tray body forms a "[" shape; in the above structure, the battery pack tray is changed from the original method of separately processing the first side plate, the second side plate and the base plate frame to directly forming the base plate frame, the first side plate and the second side plate by integral die casting, thereby reducing production costs and improving production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of battery pack tray structure technology, and in particular to an integrated die-cast battery pack tray and its mold flow channel structure. Background Technology

[0002] As a structure used to support the battery pack body, the battery pack tray includes a base plate and side plates connected to both sides of the base plate. In the prior art, the base plate and side plates of the battery pack tray are manufactured separately and then connected by bolts and other connectors to obtain the overall structure of the battery pack tray. In this structure, the bolt-locked structure is prone to aging and loosening after long-term use, which affects the connection stability of the battery pack body. In addition, the finished product needs to be connected and assembled later, resulting in low production efficiency and high manufacturing cost. Utility Model Content

[0003] The technical problem to be solved by this utility model is to replace the existing structure in which the bottom plate and side plate are manufactured separately and then connected by connectors by integral die casting of the battery pack tray, thereby reducing production costs and improving production efficiency.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] The battery pack tray integral die-cast part includes: a battery pack tray body, the battery pack tray body including an integrally die-cast base plate frame, a first side plate and a second side plate; one end of the first side plate is perpendicularly connected to the first side edge of the base plate in the X direction, and one end of the second side plate is perpendicularly connected to the second side edge of the base plate opposite to the X direction, so that the battery pack tray body forms a "[" shape.

[0006] Furthermore, in the aforementioned integrated die-cast structure of the battery pack tray, multiple first reinforcing ribs are die-cast at the inside corner where the bottom plate and the first side plate connect.

[0007] Furthermore, in the aforementioned integrated die-cast structure of the battery pack tray, the edge of the first side plate extends outward and is provided with a first protruding edge, and the outer surface of the first side plate is provided with intersecting second reinforcing ribs.

[0008] Furthermore, in the aforementioned integrated die-cast structure of the battery pack tray, the edge of the second side plate extends outward to provide a second protruding edge, and the outer surface of the second side plate is provided with intersecting third reinforcing ribs.

[0009] Furthermore, in the aforementioned integrated die-cast structure of the battery pack tray, the edge of the base plate frame is provided with a third protruding edge protruding in the Z direction, and a fourth reinforcing rib is arranged between the third protruding edges in a crisscross pattern.

[0010] Furthermore, this utility model also relates to the mold flow channel structure of the integrated die-cast battery pack tray, based on the aforementioned integrated die-cast battery pack tray;

[0011] The flow channel structure includes:

[0012] A cavity body, the shape of which is the same as the shape of the battery pack tray body;

[0013] Grouting hole, the axial direction of the grouting hole is Z direction, and the grouting hole is located in the Y direction of the bottom plate frame of the cavity body;

[0014] The first branch channel has its beginning connected to the grouting hole. After extending in the X direction, the first branch channel turns away from the Y direction and extends in the opposite direction. The end of the first branch channel is connected to the X-direction side of the bottom plate frame of the cavity body.

[0015] The first branch channel, and multiple first branch channels are arranged between the side of the first branch channel and the bottom plate frame of the cavity body;

[0016] The second branch channel has its beginning connected to the grouting hole. After extending away from the X direction, the second branch channel turns away from the Y direction and extends away from the Y direction. The end of the second branch channel is connected to the side of the bottom plate frame of the cavity body away from the X direction.

[0017] The second branch channel, multiple second branches are located between the side of the second branch channel and the bottom plate frame of the cavity body;

[0018] The first slag discharge channel includes a first main slag discharge channel and a first sub-slag discharge channel. The first section of the first main slag discharge channel is located on the X-direction side of the Z-direction end of the first side plate of the cavity body. The second section bends away from the Z-direction at the Y-direction end of the first section. The third section bends away from the Y-direction and extends. The third section and the bottom plate frame of the cavity body are at the same height. Multiple first sub-slag discharge channels are respectively connected between the first section of the first main slag discharge channel and the Z-direction end of the first side plate of the cavity body.

[0019] The second slag discharge channel includes a second main slag discharge channel and a second sub-slag discharge channel. The first section of the second main slag discharge channel is located on the Z-direction end of the second side plate of the cavity body, away from the X-direction. The second section bends away from the Z-direction at the Y-direction end of the first section. The third section bends away from the Y-direction and extends. The third section and the bottom plate frame of the cavity body are at the same height. Multiple second sub-slag discharge channels are respectively connected between the first section of the second main slag discharge channel and the Z-direction end of the second side plate of the cavity body.

[0020] The third slag discharge channel includes a third main slag discharge channel and a third sub-slag discharge channel. The first section of the third main slag discharge channel is located on the X-direction side of the bottom plate frame of the cavity body, and the second section bends and extends away from the Y-direction. Multiple third sub-slag discharge channels are respectively connected between the X-direction end of the bottom plate frame of the cavity body and the first section of the third main slag discharge channel.

[0021] The fourth slag discharge channel includes a fourth main slag discharge channel and a fourth sub-slag discharge channel. The first section of the fourth main slag discharge channel is located on the side away from the X direction of the bottom plate frame of the cavity body, and the second section bends and extends away from the Y direction. Multiple fourth sub-slag discharge channels are respectively connected between the side away from the X direction of the bottom plate frame of the cavity body and the first section of the fourth main slag discharge channel.

[0022] The fifth slag discharge channel consists of two symmetrically distributed fifth slag discharge channels, including the fifth main slag discharge channel and the fifth sub-slag discharge channel. The beginning of multiple fifth sub-slag discharge channels is connected to the Y-direction end of the bottom plate frame of the cavity body, and the end of the fifth sub-slag discharge channel is connected to the fifth main slag discharge channel. The end of the fifth main slag discharge channel extends in the Y-direction.

[0023] The beneficial effects of this utility model are: changing the original method of separately processing the first side plate, the second side plate, and the bottom frame of the battery pack tray to directly forming the bottom frame, the first side plate, and the second side plate into one piece by die casting, thereby reducing production costs and improving production efficiency. Attached Figure Description

[0024] Figure 1 This is a first-view structural schematic diagram of the integrated die-cast battery pack tray according to a specific embodiment of the present utility model;

[0025] Figure 2 This is a second-view structural schematic diagram of the integrated die-cast battery pack tray according to a specific embodiment of the present utility model;

[0026] Figure 3 This is a schematic diagram of the mold flow channel structure of the integrated die-cast battery pack tray according to a specific embodiment of this utility model.

[0027] Label Explanation:

[0028] 1. Battery pack tray body; 11. Base plate frame; 111. Third protruding edge; 112. Fourth reinforcing rib; 12. First side plate; 121. First protruding edge; 122. Second reinforcing rib; 13. Second side plate; 131. Second protruding edge; 132. Third reinforcing rib; 14. First reinforcing rib;

[0029] 21. Grouting hole; 22. First branch channel; 23. First sub-channel; 24. Second branch channel; 25. Second sub-channel; 261. First main slag discharge channel; 262. First sub-slag discharge channel; 271. Second main slag discharge channel; 272. Second sub-slag discharge channel; 281. Third main slag discharge channel; 282. Third sub-slag discharge channel; 291. Fourth main slag discharge channel; 292. Fourth sub-slag discharge channel; 2101. Fifth main slag discharge channel; 2102. Fifth sub-slag discharge channel. Detailed Implementation

[0030] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0031] Please refer to Figures 1 to 3 The present invention relates to an integral die-cast battery pack tray, comprising: a battery pack tray body 1, wherein the battery pack tray body 1 comprises an integrally die-cast base frame 11, a first side plate 12 and a second side plate 13; one end of the first side plate 12 is perpendicularly connected to the first side of the base plate in the X direction, and one end of the second side plate 13 is perpendicularly connected to the second side of the base plate opposite to the X direction, so that the battery pack tray body 1 forms a "[" shape.

[0032] In the above embodiments, the battery pack tray is changed from the original method of separately processing the first side plate 12, the second side plate 13 and the bottom plate frame 11 to directly forming the bottom plate frame 11, the first side plate 12 and the second side plate 13 by integral die casting, thereby reducing production costs and improving production efficiency.

[0033] In a preferred embodiment, a plurality of first reinforcing ribs 14 are die-cast at the inside corner where the base plate and the first side plate 12 connect.

[0034] The above implementation methods can further increase the overall structural strength of the die-cast parts.

[0035] In a preferred embodiment, the edge of the first side plate 12 extends outward and is provided with a first protruding edge 121, and the outer surface of the first side plate 12 is provided with intersecting second reinforcing ribs 122.

[0036] The above implementation methods can further increase the overall structural strength of the die-cast parts.

[0037] In a preferred embodiment, the edge of the second side plate 13 extends outward and is provided with a second protruding edge 131, and the outer surface of the second side plate 13 is provided with intersecting third reinforcing ribs 132.

[0038] The above implementation methods can further increase the overall structural strength of the die-cast parts.

[0039] In a preferred embodiment, the edge of the base frame 11 is provided with a third protruding edge 111 protruding in the Z direction, and a fourth reinforcing rib 112 is arranged in a crisscross pattern between the third protruding edges 111.

[0040] The above implementation methods can further increase the overall structural strength of the die-cast parts.

[0041] This utility model also relates to the mold flow channel structure of the integrated die-cast part of the battery pack tray, based on the above-mentioned integrated die-cast part of the battery pack tray;

[0042] The flow channel structure includes:

[0043] The cavity body has the same shape as the battery pack tray body 1.

[0044] Grouting hole 21, the axial direction of grouting hole 21 is Z direction, and the grouting hole 21 is located in the Y direction of the bottom plate frame 11 of the cavity body;

[0045] The first branch channel 22 is connected to the grouting hole 21 at its beginning. After extending in the X direction, the first branch channel 22 turns away from the Y direction and extends in the opposite direction. The end of the first branch channel 22 is connected to the X side of the bottom plate frame 11 of the cavity body.

[0046] The first branch channel 23, and multiple first branch channels 23 are arranged between the side of the first branch channel 22 and the bottom plate frame 11 of the cavity body;

[0047] The second branch channel 24 is connected at its beginning to the grouting hole 21. After extending away from the X direction, the second branch channel 24 turns away from the Y direction and extends further. The end of the second branch channel 24 is connected to the side of the bottom plate frame 11 of the cavity body away from the X direction.

[0048] The second branch channel 25, and multiple second branches are located between the side of the second branch channel 24 and the bottom plate frame 11 of the cavity body;

[0049] The first slag discharge channel includes a first main slag discharge channel 261 and a first branch slag discharge channel 262. The first section of the first main slag discharge channel 261 is located on the X-direction side of the first side plate 12 of the cavity body in the Z direction. The second section bends away from the Z direction at the Y-direction end of the first section. The third section bends away from the Y direction and extends. The third section and the bottom plate frame 11 of the cavity body are at the same height. Multiple first branch slag discharge channels 262 are respectively connected between the first section of the first main slag discharge channel 261 and the Z-direction end of the first side plate 12 of the cavity body.

[0050] The second slag discharge channel includes a second main slag discharge channel and a second sub-slag discharge channel 272. The first section of the second main slag discharge channel 271 is located on the Z-direction end of the second side plate 13 of the cavity body, away from the X-direction. The second section bends away from the Z-direction end of the first section away from the Y-direction end. The third section bends away from the Y-direction and extends. The third section and the bottom plate frame 11 of the cavity body are at the same height. Multiple second sub-slag discharge channels 272 are respectively connected between the first section of the second main slag discharge channel 271 and the Z-direction end of the second side plate 13 of the cavity body.

[0051] The third slag discharge channel includes a third main slag discharge channel 281 and a third sub-slag discharge channel 282. The first section of the third main slag discharge channel 281 is located on the X-direction side of the bottom plate frame 11 of the cavity body, and the second section bends and extends away from the Y-direction. Multiple third sub-slag discharge channels 282 are respectively connected between the X-direction end of the bottom plate frame 11 of the cavity body and the first section of the third main slag discharge channel 281.

[0052] The fourth slag discharge channel includes a fourth main slag discharge channel 291 and a fourth sub-slag discharge channel 292. The first section of the fourth main slag discharge channel 291 is located on the side away from the X direction of the bottom plate frame 11 of the cavity body, and the second section bends and extends away from the Y direction. Multiple fourth sub-slag discharge channels 292 are respectively connected between the side away from the X direction of the bottom plate frame 11 of the cavity body and the first section of the fourth main slag discharge channel 291.

[0053] The fifth slag discharge channel consists of two symmetrically distributed fifth slag discharge channels, including a fifth main slag discharge channel 2101 and a fifth sub-slag discharge channel 2102. The beginnings of the multiple fifth sub-slag discharge channels 2102 are connected to the Y-direction end of the bottom plate frame 11 of the cavity body, and the ends of the fifth sub-slag discharge channels 2102 are connected to the fifth main slag discharge channel 2101. The end of the fifth main slag discharge channel 2101 extends in the Y-direction.

[0054] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A battery pack tray integrated die-cast product, characterized by, include: The battery pack tray body includes an integrally die-cast base plate frame, a first side plate, and a second side plate; one end of the first side plate is vertically connected to the first side of the base plate in the X direction, and one end of the second side plate is vertically connected to the second side of the base plate opposite to the X direction, so that the battery pack tray body forms a "[" shape.

2. The battery pack tray integrated die cast according to claim 1, characterized by, Multiple first reinforcing ribs are die-cast at the inside corner where the base plate and the first side plate connect.

3. The battery pack tray integrated die cast according to claim 1, characterized by, The first side plate has a first raised edge extending outward from its edge, and the outer side of the first side plate is provided with intersecting second reinforcing ribs.

4. The integrated die-cast battery pack tray according to claim 1, characterized in that, The edge of the second side plate extends outward and is provided with a second protruding edge, and the outer surface of the second side plate is provided with a third reinforcing rib arranged in a crisscross pattern.

5. The battery pack tray integrated die casting according to claim 1, characterized by, The base frame has a third protruding edge protruding in the Z direction, and a fourth reinforcing rib is arranged between the third protruding edges in a crisscross pattern.

6. A mold runner structure of a battery pack tray integrated die casting, characterized by, Based on the integral die-cast battery pack tray according to any one of claims 1 to 5; The flow channel structure includes: A cavity body, the shape of which is the same as the shape of the battery pack tray body; Grouting hole, the axial direction of the grouting hole is Z direction, and the grouting hole is located in the Y direction of the bottom plate frame of the cavity body; The first branch channel has its beginning connected to the grouting hole. After extending in the X direction, the first branch channel turns away from the Y direction and extends in the opposite direction. The end of the first branch channel is connected to the X-direction side of the bottom plate frame of the cavity body. The first branch channel, and multiple first branch channels are arranged between the side of the first branch channel and the bottom plate frame of the cavity body; The second branch channel has its beginning connected to the grouting hole. After extending away from the X direction, the second branch channel turns away from the Y direction and extends away from the Y direction. The end of the second branch channel is connected to the side of the bottom plate frame of the cavity body away from the X direction. The second branch channel, multiple second branches are located between the side of the second branch channel and the bottom plate frame of the cavity body; The first slag discharge channel includes a first main slag discharge channel and a first sub-slag discharge channel. The first section of the first main slag discharge channel is located on the X-direction side of the Z-direction end of the first side plate of the cavity body. The second section bends away from the Z-direction at the Y-direction end of the first section. The third section bends away from the Y-direction and extends. The third section and the bottom plate frame of the cavity body are at the same height. Multiple first sub-slag discharge channels are respectively connected between the first section of the first main slag discharge channel and the Z-direction end of the first side plate of the cavity body. The second slag discharge channel includes a second main slag discharge channel and a second sub-slag discharge channel. The first section of the second main slag discharge channel is located on the Z-direction end of the second side plate of the cavity body, away from the X-direction. The second section bends away from the Z-direction at the Y-direction end of the first section. The third section bends away from the Y-direction and extends. The third section and the bottom plate frame of the cavity body are at the same height. Multiple second sub-slag discharge channels are respectively connected between the first section of the second main slag discharge channel and the Z-direction end of the second side plate of the cavity body. The third slag discharge channel includes a third main slag discharge channel and a third sub-slag discharge channel. The first section of the third main slag discharge channel is located on the X-direction side of the bottom plate frame of the cavity body, and the second section bends and extends away from the Y-direction. Multiple third sub-slag discharge channels are respectively connected between the X-direction end of the bottom plate frame of the cavity body and the first section of the third main slag discharge channel. The fourth slag discharge channel includes a fourth main slag discharge channel and a fourth sub-slag discharge channel. The first section of the fourth main slag discharge channel is located on the side away from the X direction of the bottom plate frame of the cavity body, and the second section bends and extends away from the Y direction. Multiple fourth sub-slag discharge channels are respectively connected between the side away from the X direction of the bottom plate frame of the cavity body and the first section of the fourth main slag discharge channel. The fifth slag discharge channel consists of two symmetrically distributed fifth slag discharge channels, including the fifth main slag discharge channel and the fifth sub-slag discharge channel. The beginning of multiple fifth sub-slag discharge channels is connected to the Y-direction end of the bottom plate frame of the cavity body, and the end of the fifth sub-slag discharge channel is connected to the fifth main slag discharge channel. The end of the fifth main slag discharge channel extends in the Y-direction.

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