Battery case structure without screw connection

Abstract

The utility model relates to the field of energy storage battery systems, in particular to a battery case structure without screw connection. The utility model provides a battery case structure without screw connection. The battery case structure comprises a base, a panel and an upper cover, the panel is connected with the base through a buckle type connecting structure; the upper cover is connected with the top end of the panel through a transverse insertion type connecting structure, and the upper cover is connected with the top end of the base through the buckle type connecting structure and the pressing type connecting structure; according to the utility model, the base, the panel and the upper cover are assembled into the battery case by arranging the transverse insertion type connecting structure, the buckle type connecting structure and the pressing type connecting structure through clamping and limiting of the case, so that conventional connecting pieces such as pressing rivet nuts, screws and the like for connecting the case are removed, the cost is reduced, the operation steps of workers are simplified, and the working efficiency is improved. And the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of energy storage battery systems, in particular to a battery chassis structure that does not require screw connection. Background Art

[0002] Energy storage battery systems are extremely widely used, and are commonly used in communication backup power supplies, household energy storage systems, and new energy vehicles. Currently, the market competition is fierce, and more considerations need to be given to production efficiency and costs. Conventional battery chassis all need to be connected by connecting parts such as rivet nuts and screws, which consume a large amount of rivet nuts and screws, increasing the production cost. Moreover, connecting the battery chassis with rivet nuts and screws requires workers to perform tedious operation steps such as drilling, which greatly affects the production efficiency. Content of the Utility Model

[0003] The purpose of the utility model is to provide a battery chassis structure that does not require screw connection for the deficiencies in the prior art.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is:

[0005] Provide a battery chassis structure that does not require screw connection, including: a base, a panel, and an upper cover;

[0006] The panel is connected to the base through a snap connection structure; the upper cover is connected to the top end of the panel through a horizontal insertion connection structure, and the upper cover is connected to the top end of the base through the snap connection structure and a press connection structure.

[0007] Preferably, the base includes: a bottom plate, a first side plate, a second side plate, and a third side plate; the first side plate, the second side plate, the third side plate, and the panel enclose a storage cavity with the bottom plate.

[0008] More preferably, the upper cover is in a plate shape, the first side wall of the upper cover is connected to the top end of the panel through the horizontal insertion connection structure, the second side wall and the fourth side wall of the upper cover are respectively connected to the top ends of the first side plate and the third side plate through the snap connection structure, and the third side wall of the upper cover is connected to the top end of the second side plate through the press connection structure.

[0009] More preferably, the snap connection structure includes: a snap and a through groove; the snap is fixedly arranged at the bottom end of the panel and the second side wall and the fourth side wall of the upper cover; through grooves are provided at the top ends of the bottom plate, the first side plate, and the third side plate.

[0010] More preferably, the snap is in an "L" shape.

[0011] Preferably, the horizontal plug-in connection structure includes: a plurality of first horizontal plug blocks and a plurality of second horizontal plug blocks; the first horizontal plug blocks are fixedly arranged at the top of the inner wall of the panel, and the second horizontal plug blocks are fixedly arranged on the first side wall of the upper cover.

[0012] Preferably, the pressing connection structure includes: a pressing part, a clamping block integrally formed with the pressing part and arranged at the bottom end of the pressing part, and a clamping groove matching the clamping block; the top end of the pressing part is fixedly arranged on the third side wall of the upper cover, and the clamping groove is opened at the top end of the second side plate.

[0013] Preferably, chassis hanging ears are arranged at both ends of the panel, and the panel and the chassis hanging ears are integrally formed.

[0014] The present utility model adopts the above technical solutions, and compared with the prior art, has the following technical effects:

[0015] By setting a horizontal plug-in connection structure, a snap connection structure and a pressing connection structure, the present utility model assembles the base, the panel and the upper cover into a battery chassis through the clamping and limiting of the chassis itself, removes the connecting parts such as rivet nuts and screws conventionally used for connecting the chassis, reduces the cost, simplifies the operation steps of workers, and improves the production efficiency. Description of the Drawings

[0016] Figure 1 is a schematic diagram of the basic structure of the battery chassis structure in an embodiment of the present utility model;

[0017] Figure 2 is an exploded view of the battery chassis structure from the first perspective in an embodiment of the present utility model;

[0018] Figure 3 is an exploded view of the battery chassis structure from the second perspective in an embodiment of the present utility model;

[0019] Figure 4 is Figure 3 an enlarged view of A;

[0020] Figure 5 is Figure 3 an enlarged view of B;

[0021] Figure 6 is an exploded view of the battery chassis structure from the third perspective in an embodiment of the present utility model;

[0022] Figure 7 is Figure 6 an enlarged view of C.

[0023] The reference numerals in the drawings include:

[0024] Base 1; bottom plate 11; first side plate 12; second side plate 13; third side plate 14; panel 2; upper cover 3; buckle 4; first horizontal insertion block 5; second horizontal insertion block 6; pressing part 7; locking block 8; chassis ear 9. Detailed implementation

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0026] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments may be combined with each other.

[0027] The following further illustrates the present invention with reference to the accompanying drawings and specific embodiments, but is not a limitation of the present invention.

[0028] Embodiment

[0029] This embodiment provides a battery chassis structure that does not require screw connection, including: a base 1, a panel 2, and an upper cover 3;

[0030] The base 1 includes: a bottom plate 11, a first side plate 12, a second side plate 13, and a third side plate 14; the first side plate 12, the second side plate 13, the third side plate 14, and the panel 2 surround and form a storage cavity with the bottom plate 11; the panel 2 is connected to the base 1 through a snap connection structure; both ends of the panel 2 are provided with chassis ears 9, and the panel 2 and the chassis ears 9 are integrally formed;

[0031] The upper cover 3 is in a plate shape, the first side wall of the upper cover 3 is connected to the top end of the panel 2 through a horizontal insertion connection structure, the second side wall and the fourth side wall of the upper cover 3 are respectively connected to the top ends of the first side plate 12 and the third side plate 14 through a snap connection structure, and the third side wall of the upper cover 3 is connected to the top end of the second side plate 13 through the pressing connection structure;

[0032] The snap connection structure includes: a buckle 4 and a through groove; the buckle 4 is fixedly provided at the bottom end of the panel 2, the second side wall, and the fourth side wall of the upper cover 3; through grooves are opened at the top ends of the bottom plate 11, the first side plate 12, and the third side plate 14; the buckle 4 is in an "L" shape;

[0033] The horizontal insertion connection structure includes: a plurality of first horizontal insertion blocks 5 and a plurality of second horizontal insertion blocks 6; the first horizontal insertion blocks 5 are fixedly arranged at the top of the inner wall of the panel 2, and the second horizontal insertion blocks 6 are fixedly arranged at the first side wall of the upper cover 3;

[0034] The pressing connection structure includes: a pressing part 7, a clamping block 8 integrally formed with the pressing part 7 and arranged at the bottom end of the pressing part 7, and a clamping groove matching the clamping block 8; the top end of the pressing part 7 is fixedly arranged on the third side wall of the upper cover 3, and the clamping groove is opened at the top end of the second side plate 13.

[0035] The assembly principle is as follows:

[0036] The operator inserts the buckle 4 at the bottom end of the panel 2 into the through groove at the top end of the bottom plate 11 and moves the panel 2 along the length direction of the panel 2 to realize the clamping of the panel 2 and the bottom plate 11. The state of the buckle 4 and the through groove in the clamped state is as Figure 7 shown; after installing the panel 2, the operator inserts the buckles 4 on the second side wall and the fourth side wall of the upper cover 3 into the through grooves of the first side plate 12 and the third side plate 14, and moves the upper cover 3 towards the panel 2 to clamp it. In the state where the movement is in place, the first horizontal insertion blocks 5 and the second horizontal insertion blocks 6 are arranged one by one at intervals; the operator presses the pressing part 7, so that the clamping block 8 moves a small distance in the direction opposite to the pressing direction until the clamping block 8 is clamped into the clamping groove to complete the installation.

[0037] In summary, the present utility model assembles the base, the panel and the upper cover into a battery chassis through the horizontal insertion connection structure, the buckle connection structure and the pressing connection structure, and clamps and limits the chassis itself, removing conventional connecting parts such as rivet nuts and screws for connecting the chassis, reducing the cost, simplifying the operation steps of workers, and improving the production efficiency.

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

Claims

1. A battery chassis structure that does not require screw connection, characterized in that, Including: a base (1), a panel (2), and an upper cover (3); The panel (2) is connected to the base (1) through a snap - type connection structure; the upper cover (3) is connected to the top end of the panel (2) through a horizontal - insertion connection structure, and the upper cover (3) is connected to the top end of the base (1) through the snap - type connection structure and a press - type connection structure.

2. The battery chassis structure according to claim 1, wherein, The base (1) includes: a bottom plate (11), a first side plate (12), a second side plate (13), and a third side plate (14); the first side plate (12), the second side plate (13), the third side plate (14), and the panel (2) enclose a storage cavity with the bottom plate (11).

3. The battery chassis structure according to claim 2, characterized in that, The upper cover (3) is in a plate shape. The first side wall of the upper cover (3) is connected to the top end of the panel (2) through the horizontal - insertion connection structure. The second side wall and the fourth side wall of the upper cover (3) are respectively connected to the top ends of the first side plate (12) and the third side plate (14) through the snap - type connection structure. The third side wall of the upper cover (3) is connected to the top end of the second side plate (13) through the press - type connection structure.

4. The battery chassis structure according to claim 3, characterized in that, The snap - type connection structure includes: a snap (4) and a through - slot; the snap (4) is fixedly arranged at the bottom end of the panel (2), and the second side wall and the fourth side wall of the upper cover (3); through - slots are opened at the top ends of the bottom plate (11), the first side plate (12), and the third side plate (14).

5. The battery chassis structure according to claim 4, characterized in that, The snap (4) is in an "L" shape.

6. The battery chassis structure according to claim 3, wherein The horizontal - insertion connection structure includes: a plurality of first horizontal - insertion blocks (5) and a plurality of second horizontal - insertion blocks (6); the first horizontal - insertion blocks (5) are fixedly arranged at the top of the inner wall of the panel (2), and the second horizontal - insertion blocks (6) are fixedly arranged on the first side wall of the upper cover (3).

7. The battery chassis structure according to claim 3, characterized in that, The press - type connection structure includes: a pressing part (7), a block (8) integrally formed with the pressing part (7) and arranged at the bottom end of the pressing part (7), and a slot matching the block (8); the top end of the pressing part (7) is fixedly arranged on the third side wall of the upper cover (3), and the slot is opened at the top end of the second side plate (13).

8. The battery chassis structure according to claim 1, characterized in that, Both ends of the panel (2) are provided with chassis hanging ears (9), and the panel (2) and the chassis hanging ears (9) are integrally formed.

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