Battery end plate

By optimizing the reinforced cavity and frame structure of the battery end plate, combined with reinforced agglomeration and inclined ribs, the contradiction between structural strength and weight is solved, and a lightweight design is achieved, suitable for new energy vehicles.

CN223181284UActive Publication Date: 2025-08-01ZHEJIANG LITONG NEW ENERGY CO LTD
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Patent Information

Application Number
CN202422208730.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-08-01
Estimated Expiration
2034-09-10

AI Technical Summary

Technical Problem

In the field of new energy vehicles, it is difficult to balance the structural strength of the battery end plate and the weight of the material. The existing design often increases weight when increasing the strength, which affects the car's endurance.

Method used

The reinforcement cavity and reinforcement frame structure design are adopted, combined with reinforcement agglomeration and inclined reinforcement ribs, and the structural strength is enhanced to reduce material usage and weight by optimizing material distribution and connection methods.

Benefits of technology

On the basis of maintaining sufficient strength, the weight of the battery end plate is significantly reduced and structural stability is improved. It is suitable for the field of new energy vehicles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery end plate which comprises a main plate body and a frame arranged on the edge of the main plate body in a surrounding mode, a reinforcing cavity is defined by the main plate body and the frame, a reinforcing frame connecting the main plate body and the frame is distributed in the reinforcing cavity, the reinforcing frame is formed by connecting a plurality of reinforcing sub-plate bodies, and the reinforcing sub-plate bodies are arranged in the reinforcing cavity. Reinforcing blocks connected with the main board body are arranged at the intersection of a part of the reinforcing sub-board body and the intersection of the reinforcing sub-board body and the frame. The utility model has the following advantages and effects: the automobile rear axle assembly has light weight on the basis of enough strength, so that the automobile rear axle assembly can be better applied to the field of new energy automobiles.
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Description

Technical Field

[0001] The utility model relates to a new energy battery, in particular to a battery end plate. Background Art

[0002] In the field of new energy vehicles, a battery end plate is generally installed at the bottom of the energy storage battery on the frame chassis. The end plate is used to fix the energy storage battery, prevent the impact caused by vibration during vehicle driving from affecting the energy storage battery, play a role in buffering and protecting the energy storage battery, and also play a role in heat conduction and heat dissipation.

[0003] The difficulty in the design process of the battery end plate is mainly reflected in the correlation between the structural strength and the material specific gravity. If one wants to improve the structural strength of the battery end plate to enhance its anti-impact protection effect, without a good structural design, its overall weight will be greatly increased, and the increase in material specific gravity will largely affect the endurance of new energy vehicles. Therefore, how to minimize the increased weight while improving the structural strength of the battery end plate through structural design has become an important direction for the improvement of this technology. Thus, this improvement came into being. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a battery end plate, which has a light weight on the basis of sufficient strength, so that it can be better applied to the field of new energy vehicles.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a battery end plate, comprising: a main board body and a frame surrounding the edge of the main board body, the main board body and the frame defining a reinforcing cavity, a reinforcing frame connecting the main board body and the frame is distributed in the reinforcing cavity, the reinforcing frame is composed of a plurality of reinforcing sub-board bodies connected to each other, and reinforcing lumps connecting the main board body are provided at the intersections of a part of the reinforcing sub-board bodies and at the intersections of the reinforcing sub-board bodies and the frame.

[0006] By adopting the above technical solutions, the structural design of the reinforcing cavity and the reinforcing frame can ensure the structural strength after material saving while reducing the material consumption, and the reinforcing lumps are arranged to utilize the strength of the material to offset the concentrated stress at the joints, so as to achieve a light weight on the basis of sufficient strength and make it better applicable to the field of new energy vehicles.

[0007] Further set as: the reinforcing frame divides the reinforcing cavity into a plurality of reinforcing sub-cavities, a first reinforcing structure is arranged in the reinforcing sub-cavity corresponding to the central position of the reinforcing cavity, and a plurality of second reinforcing structures are arranged in the reinforcing sub-cavities around the outer periphery of the first reinforcing structure, and each second reinforcing structure is spaced from the first reinforcing structure.

[0008] By adopting the above technical solution, the design of the first strengthening structure and the second strengthening structure targets the weak points and stress concentration points at the structural connection positions for further structural strengthening, making it have stronger structural strength.

[0009] It is further set that: the shape of the strengthening cavity is quadrilateral, and the number of the second strengthening structures is four and they are distributed at the four corners of the strengthening cavity.

[0010] By adopting the above technical solution, the stress concentration problem is better solved.

[0011] It is further set that: the shape of the strengthening sub-cavity corresponding to the first strengthening structure is quadrilateral, and the first strengthening structure includes a first sub-plate body in an X shape and connected to the four corners of the strengthening sub-cavity and a first strengthening block connected to the intersection of the first sub-plate bodies.

[0012] By adopting the above technical solution, the first sub-plate body in an X shape forms a triangular stable structure, and in cooperation with the provided first strengthening block, the stress concentration problem at the connection is solved, thereby achieving better structural strengthening.

[0013] It is further set that: the shape of the strengthening sub-cavity corresponding to the second strengthening structure is quadrilateral, and the second strengthening structure includes a second sub-plate body connected to the two diagonals of the strengthening sub-cavity and a second strengthening block connected to the intersection of the second sub-plate body and the frame.

[0014] By adopting the above technical solution, the second sub-plate body forms a triangular stable structure, and in cooperation with the provided second strengthening block, the stress concentration problem at the connection is solved, thereby achieving better structural strengthening.

[0015] It is further set that: the strengthening caking at the intersection of the strengthening sub-plate body and the frame is defined as the first caking, and an inclined first strengthening rib plate is connected between the first caking and the strengthening sub-plate body.

[0016] By adopting the above technical solution, the connection surface is increased to improve the structural strength.

[0017] It is further set that: an inclined second strengthening rib plate is connected between the second sub-plate body and the second strengthening block.

[0018] By adopting the above technical solution, the connection surface is increased to improve the structural strength.

[0019] It is further set that: a number of material-saving grooves are distributed on the frame, and strengthening ribs are provided at the bottom of the material-saving grooves.

[0020] By adopting the above technical solution, on the basis of achieving material saving, its strength is ensured through the structure.

[0021] In summary, the utility model has the following beneficial effects: on the basis of having sufficient strength, the utility model has a relatively light weight, making it better applicable to the field of new energy vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a perspective view of the embodiment;

[0023] Figure 2 is a schematic structural view of the embodiment.

[0024] In the figure: 1, main board body; 2, frame; 3, reinforcing sub-board body; 4, reinforcing lump; 5, reinforcing sub-cavity; 6, first reinforcing structure; 61, first sub-board body; 62, first reinforcing block; 7, second reinforcing structure; 71, second sub-board body; 72, second reinforcing block; 8, first lump; 9, first reinforcing rib plate; 10, second reinforcing rib plate; 11, material-saving groove; 12, reinforcing rib. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following further details the present utility model with reference to the accompanying drawings.

[0026] Refer to Figure 1 and Figure 2 , a battery end plate, comprising: a main board body 1 and a frame 2 surrounding the edge of the main board body 1, the main board body 1 and the frame 2 defining a reinforcing cavity and being integrally connected. A reinforcing frame integrally connecting the main board body 1 and the frame 2 is distributed in the reinforcing cavity, and the reinforcing frame is formed by connecting a plurality of reinforcing sub-board bodies 3 to each other. At the intersection of a part of the reinforcing sub-board bodies 3 and at the intersection of the reinforcing sub-board bodies 3 and the frame 2, there are integrally provided reinforcing lumps 4 connecting the main board body 1.

[0027] The reinforcing frame divides the reinforcing cavity into several reinforcing sub-cavities 5. A first reinforcing structure 6 is provided in the reinforcing sub-cavity 5 corresponding to the central position of the reinforcing cavity, and a plurality of second reinforcing structures 7 are provided in the reinforcing sub-cavities 5 surrounding the outer periphery of the first reinforcing structure 6. Each second reinforcing structure 7 is spaced from the first reinforcing structure 6. The shape of the reinforcing cavity is quadrilateral, and the number of the second reinforcing structures 7 is four and they are distributed at the four corners of the reinforcing cavity.

[0028] The shape of the reinforcing sub-cavity 5 corresponding to the first reinforcing structure 6 is quadrilateral. The first reinforcing structure 6 includes a first sub-board body 61 in the shape of an X and integrally connected to the four corners of the reinforcing sub-cavity 5, and a first reinforcing block 62 integrally connected to the intersection of the first sub-board bodies 61. The first sub-board body 61, the first reinforcing block 62 and the main board body 1 are integrally connected.

[0029] The shape of the reinforcing sub-cavity 5 corresponding to the second reinforcing structure 7 is quadrilateral. The second reinforcing structure 7 includes a second sub-plate body 71 integrally connected to two diagonals of the reinforcing sub-cavity 5, and a second reinforcing block 72 integrally connected to the intersection of the second sub-plate body 71 and the frame 2. The second sub-plate body 71 is integrally connected to the second reinforcing block 72 and the main plate body 1.

[0030] Define the reinforcing lumping 4 at the intersection of the reinforcing sub-plate body 3 and the frame 2 as the first lumping 8. An inclined first reinforcing rib plate 9 is integrally connected between the first lumping 8 and the reinforcing sub-plate body 3. An inclined second reinforcing rib plate 10 is integrally connected between the second sub-plate body 71 and the second reinforcing block 72. A number of material-saving grooves 11 are distributed on the frame 2, and reinforcing ribs 12 are integrally arranged at the bottom of the material-saving grooves 11.

[0031] This specific embodiment is only an explanation of the present invention, and it is not a limitation to the present invention. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions according to needs, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. A battery end plate, characterized in that, Including: A main board body (1) and a frame (2) surrounding the edge of the main board body (1). The main board body (1) and the frame (2) define a strengthening cavity. A strengthening frame connecting the main board body (1) and the frame (2) is distributed in the strengthening cavity. The strengthening frame is composed of a plurality of strengthening sub-board bodies (3) connected to each other. Strengthening lumps (4) connecting the main board body (1) are provided at the intersections of a part of the strengthening sub-board bodies (3) and at the intersections of the strengthening sub-board bodies (3) and the frame (2).

2. The battery end plate according to claim 1, wherein: The strengthening frame divides the strengthening cavity into a plurality of strengthening sub-cavities (5). A first strengthening structure (6) is provided in the strengthening sub-cavity (5) corresponding to the central position of the strengthening cavity. A plurality of second strengthening structures (7) are provided in the strengthening sub-cavities (5) surrounding the outer periphery of the first strengthening structure (6). Each of the second strengthening structures (7) is spaced apart from the first strengthening structure (6).

3. The battery end plate according to claim 2, characterized in that: The shape of the strengthening cavity is quadrilateral. The number of the second strengthening structures (7) is four and they are distributed at the four corners of the strengthening cavity.

4. The battery end plate according to claim 2, wherein: The shape of the strengthening sub-cavity (5) corresponding to the first strengthening structure (6) is quadrilateral. The first strengthening structure (6) includes a first sub-board body (61) in an X shape and connected to the four corners of the strengthening sub-cavity (5), and a first strengthening block (62) connected to the intersection of the first sub-board bodies (61).

5. The battery end plate according to claim 3, wherein: The shape of the strengthening sub-cavity (5) corresponding to the second strengthening structure (7) is quadrilateral. The second strengthening structure (7) includes a second sub-board body (71) connected to the two diagonals of the strengthening sub-cavity (5), and a second strengthening block (72) connected to the intersection of the second sub-board body (71) and the frame (2).

6. The battery end plate according to claim 1, wherein: The strengthening lump (4) at the intersection of the strengthening sub-board body (3) and the frame (2) is defined as a first lump (8). An inclined first strengthening rib plate (9) is connected between the first lump (8) and the strengthening sub-board body (3).

7. The battery end plate according to claim 5, wherein: An inclined second strengthening rib plate (10) is connected between the second sub-board body (71) and the second strengthening block (72).

8. The battery end plate according to claim 1, wherein: A plurality of material-saving grooves (11) are distributed on the frame (2). Strengthening ribs (12) are provided at the bottom of the material-saving grooves (11).