Stable connection structure between battery module and battery box

Abstract

The utility model discloses a stable connection structure between a battery module and a battery box, which comprises a box body, a box cover and a plurality of battery modules, each battery module consists of a plurality of battery blocks and side connecting plates, and the plurality of battery blocks form a whole through the side connecting plates and are placed in the box body; fixed connecting blocks are arranged in the box body, and fixed bending parts corresponding to the fixed connecting blocks are arranged on the side connecting plates at the two end parts of the battery module; the side connecting plates are fixedly connected with the fixed connecting blocks through the fixing assemblies for the fixed bending parts, and the plurality of battery blocks are connected through the connecting frames. According to the utility model, the stable structure for mounting and connecting the battery module is arranged on the box body, so that the mounting and connecting stability of the battery module in the box body is improved, and the condition that the battery module shakes when encountering bumping is effectively avoided, thereby avoiding the condition that a connecting line of the battery module is in poor contact or is damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field, concretely relates to a kind of firm connection structure between battery module and battery box. BACKGROUND

[0002] With the development of lithium battery technology, battery module has been widely used in electric vehicle field. Battery module is placed in battery box, and the protection of battery box for battery module is an important part. The existing battery module is usually connected and combined by several battery supports, and then placed in the battery box as a whole. There is usually a mounting gap between the side surface of the battery module and the battery box, which leads to the shaking of the battery when installed on the vehicle, and thus causes the contact failure or damage of the internal battery module connection line. SUMMARY

[0003] The utility model discloses a kind of firm connection structure between battery module and battery box to solve the problems raised in the above background.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a kind of firm connection structure between battery module and battery box, including box, lid, multiple battery modules, battery module is composed of several battery blocks and side connecting plates, and the several battery blocks are placed in the box by the side connecting plates; The box is provided with a fixed connecting block, and the side connecting plates at both ends of the battery module are provided with fixed bending parts corresponding to the fixed connecting block; The side connecting plate is fixedly connected between the fixed connecting block and the fixed assembly through the fixed bending part, and the several battery blocks are connected by a connecting frame.

[0005] In the above-mentioned firm connection structure between battery module and battery box, corresponding connecting holes and fixing holes are respectively provided on the fixed connecting block and the fixed bending part, and the side connecting plate and the fixed connecting block are fixedly connected by the fixed assembly through the connecting holes and the fixing holes.

[0006] In the above-mentioned firm connection structure between battery module and battery box, the fixed assembly includes a bolt and a pressing plate, the bolt is screwed through the fixing hole on the fixed bending part and the connecting hole on the fixed connecting block, and the pressing plate is between the nut of the bolt and the fixed bending part.

[0007] In the above-mentioned firm connection structure between battery module and battery box, a plurality of mounting grooves are provided on the fixed connecting block, and a plurality of elastic buffers are correspondingly installed in the mounting grooves, and the elastic buffers abut against the side connecting plates on the side surface of the battery module.

[0008] In the above-mentioned firm connection structure between battery module and battery box, a hanging groove is provided in the mounting groove, and the elastic buffer is provided with a hanging lug matched with the hanging groove.

[0009] The utility model discloses the beneficial effect is:

[0010] The utility model discloses the stable structure of installing and connecting to battery module is provided on the box, improves the stability of battery module installation and connection in the box, effectively avoids the situation that battery module shakes when encountering bump, thereby avoiding the situation that battery module connection line occurs contact badly or damage condition.Under this premise, the structure of battery module side surface abutting is also provided, thereby further improve the stable effect of battery module installation. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the exploded view of the utility model;

[0012] Figure 2 It is the perspective view of the utility model;

[0013] Figure 3 It is the section view of the utility model;

[0014] Figure 4 It is Figure 3 The enlarged view of A of

[0015] Figure 5 It is the section view of another direction of the utility model;

[0016] Figure 6 It is Figure 5 The enlarged view of B of DETAILED DESCRIPTION

[0017] In the description of the utility model, need understanding, the orientation or position relation that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "bottom", "in", "out" indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element that is indicated must have a particular orientation, with particular orientation structure and operation, therefore can not be understood as the limitation to the utility model.

[0018] The utility model will be further described below in conjunction with the drawings.

[0019] Please refer to Figures 1 to 6The utility model provides a kind of firm connection structure between battery module and battery box, including box 1, lid 2, multiple battery modules 3, battery module 3 is formed by several battery blocks 4, side connecting plate 5, several battery blocks 4 form whole by side connecting plate 5, and place in box 1;Fixed connecting block 6 is provided in the box 1, the side connecting plate 5 of the both ends of battery module 3 is provided with the fixed bending part 7 corresponding with fixed connecting block 6;The side connecting plate 5 is formed fixed connection between fixed connecting block 6 with fixed assembly 18 by fixed bending part 7, and the connection between several battery blocks 4 is carried out by connecting frame 8.

[0020] Specifically, the fixed assembly 18 includes a bolt 11, a pressing plate 12, and a fixed connecting block 6 and a fixed bending part 7 are respectively provided with corresponding connecting holes 9 and fixed holes 10, the bolt 11 passes through the fixed hole 10 on the fixed bending part 7 and is screwed with the connecting hole 9 on the fixed connecting block 6, and the pressing plate 12 is between the nut of the bolt 11 and the fixed bending part 7, so as to fix and connect the side connecting plate 5 and the fixed connecting block 6 through the fixed assembly.

[0021] Further, in order to improve the stability of the battery module installation, a plurality of installation grooves 13 are provided on the fixed connecting block 6, and a corresponding elastic buffer 14 is installed in the installation groove 13, and the elastic buffer 14 abuts against the side connecting plate of the side surface of the battery module 3. Further, a hanging groove 15 is provided in the installation groove 13, and the elastic buffer 14 is provided with a hanging ear 16 matched with the hanging groove, so as to facilitate the installation of the elastic buffer 14.

[0022] The above describes a firm connection structure between a battery module and a battery box provided by the utility model, and the principles and implementation methods of the utility model are described by applying specific examples. The above examples are only used to help understand the technical solutions disclosed by the utility model. Meanwhile, for general technical users in the field, the specific implementation methods and application ranges will be changed according to the idea of the utility model. In summary, the content of the specification should not be understood as a limitation of the utility model.

Claims

1. A robust connection structure between a battery module and a battery box, comprising a box body (1), a box cover (2), and multiple battery modules (3), wherein each battery module (3) is composed of several battery blocks (4) and side connecting plates (5), the several battery blocks (4) are formed as a whole by the side connecting plates (5) and placed in the box body (1); characterized in that: The housing (1) is provided with a fixed connecting block (6), and the side connecting plates (5) at both ends of the battery module (3) are provided with fixed bending parts (7) corresponding to the fixed connecting block (6); the side connecting plate (5) is fixedly connected to the fixed connecting block (6) by a fixing component (18) through the fixed bending part (7), and the battery blocks (4) are connected by a connecting frame (8).

2. The robust connection structure between a battery module and a battery box according to claim 1, characterized in that: The fixed connecting block (6) and the fixed bending part (7) are respectively provided with corresponding connecting holes (9) and fixing holes (10). The fixing component (18) fixes the side connecting plate (5) and the fixed connecting block (6) through the connecting holes (9) and fixing holes (10).

3. The robust connection structure between a battery module and a battery box according to claim 2, characterized in that: The fixing component (18) includes a bolt (11) and a pressure plate (12). The bolt (11) passes through the fixing hole (10) on the fixing bend (7) and is screwed into the connecting hole (9) on the fixing connecting block (6). The pressure plate (12) is located between the nut of the bolt (11) and the fixing bend (7).

4. A robust connection structure between a battery module and a battery box according to any one of claims 1 to 3, characterized in that: The fixed connecting block (6) is provided with multiple mounting slots (13), and elastic buffers (14) are installed in the mounting slots (13). The elastic buffers (14) abut against the side connecting plate on the side of the battery module (3).

5. The robust connection structure between a battery module and a battery box according to claim 4, characterized in that: The mounting groove (13) is provided with a hanging groove (15), and the elastic buffer (14) is provided with a hanging ear (16) that matches the hanging groove.

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