CN219476879U

CN219476879U - Battery pack with protective structure

Info

Publication number: CN219476879U
Application number: CN202320786698.9U
Authority: CN
Inventors: 姜久春; 常春; 贺章擎; 廖力; 刘光军; 王鹿军; 李慧
Original assignee: Xuzhou Pureseth Internet Of Things Technology Co ltd
Current assignee: Xuzhou Pureseth Internet Of Things Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-04
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses a battery pack with a protective structure, which comprises a frame, wherein the frame is in split type connection, a plurality of battery modules are uniformly arranged in the frame, buffer assemblies are arranged among the battery modules, the buffer assemblies are connected to the frame in a sliding manner, when the thermal expansion volume of the battery modules is increased, an arc plate is extruded, the arc plate is elastically deformed, an expansion space is provided for an electric charging module, and the risk of electric leakage or short circuit caused by the damage of a blue film of an electric core due to local stress can be effectively avoided.

Description

Battery pack with protective structure

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery pack with a protection structure.

Background

The battery pack generally comprises a box body and a battery module arranged in the box body, wherein the battery module can be thermally expanded during operation, the volume of the battery module can be increased, and the battery module can be outwards expanded, so that mutual extrusion between a plurality of battery modules or between the battery module and a grid baffle is likely to be caused, the local stress is caused, the damage of a blue film of a battery core is likely to occur, and the risk of electric leakage or short circuit is caused, so that the safety performance of the battery pack is seriously influenced.

For this purpose, a battery pack with a protective structure is proposed.

Disclosure of Invention

The present utility model is directed to a battery pack with a protection structure, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take protective structure's battery package, includes the frame, the frame is split type connection, the inside even range of frame has a plurality of battery module, and a plurality of be equipped with buffer assembly between the battery module, buffer assembly sliding connection is on the frame.

Preferably: the frame comprises a first frame body and a second frame body;

the second frame body is provided with a connecting plug which is inserted into the first frame body and is connected with the first frame body through bolts.

Preferably: the inside walls of the first frame body and the second frame body are respectively provided with a limit groove.

Preferably: the buffer assembly comprises a connecting frame;

limiting blocks are symmetrically arranged at two ends of the connecting frame, and are slidably connected into the limiting grooves.

Preferably: four grooves are symmetrically formed in two sides of the connecting frame.

Preferably: the inside of recess is installed the slide rail, sliding connection has two sliders on the slide rail.

Preferably: arc plates are arranged on the two sliding blocks.

Preferably: side beams are arranged on two sides of the first frame body, and a front beam is arranged on one side, far away from the second frame body, of the first frame body.

Preferably: and the front beam is provided with a plug connector which is electrically connected with the battery module.

Preferably: the upper surface and the lower surface of the frame are respectively provided with a top plate and a bottom plate.

Compared with the prior art, the utility model has the beneficial effects that: through placing a plurality of battery modules and buffer unit in proper order inside the frame, when the battery module takes place thermal expansion volume grow, will extrude the arc, elastic deformation takes place for the arc, for the electric module that fills provides the expansion space, just can effectually avoid because local atress, lead to the damaged risk of taking place electric leakage or short circuit of electric core blue membrane.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the frame of the present utility model;

FIG. 3 is a schematic view of the structure of the frame of the present utility model;

FIG. 4 is a schematic view of a buffer assembly according to the present utility model.

In the figure: 1. a frame; 101. a first frame body; 102. a second frame body; 103. a connection plug; 104. a limit groove; 2. a top plate; 3. a side beam; 4. a front beam; 5. a bottom plate; 6. a battery module; 7. a buffer assembly; 701. a connecting frame; 702. a limiting block; 703. a groove; 704. a slide rail; 705. a slide block; 706. an arc-shaped plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a take protective structure's battery package, includes frame 1, and frame 1 is split type connection, and the inside of frame 1 is even to be arranged has a plurality of battery module 6, is equipped with buffer assembly 7 between a plurality of battery module 6, and buffer assembly 7 sliding connection is on frame 1.

As shown in fig. 3: the frame 1 includes a first frame body 101 and a second frame body 102;

the second frame body 102 is provided with a connecting plug 103, and the connecting plug 103 is inserted into the first frame body 101 and is connected through a bolt; through the above arrangement, the first frame 101 and the second frame 102 can be assembled more conveniently.

As shown in fig. 3: the inner side walls of the first frame body 101 and the second frame body 102 are respectively provided with a limit groove 104; by the above arrangement, the buffer module 7 can be moved inside the limit groove 104, and the position of the buffer module 7 can be adjusted.

As shown in fig. 2 and 4: the buffer assembly 7 includes a link 701;

limiting blocks 702 are symmetrically arranged at two ends of the connecting frame 701, and the limiting blocks 702 are slidably connected inside the limiting grooves 104; through the arrangement, the limiting block 702 is matched with the limiting groove 104, and the connecting frame 701 can move inside the limiting groove 104 more conveniently and rapidly through the limiting block 702.

As shown in fig. 4: four grooves 703 are symmetrically formed on two sides of the connecting frame 701; with the above arrangement, the groove 703 can more conveniently mount the slide rail 704.

As shown in fig. 4: a sliding rail 704 is arranged in the groove 703, two sliding blocks 705 are connected to the sliding rail 704 in a sliding way, and arc-shaped plates 706 are arranged on the two sliding blocks 705; through the arrangement, the sliding block 705 can freely slide on the sliding rail 704, and when the arc 706 deforms after the two sides of the arc 706 are arranged on the sliding block 705, the sliding block 705 can be driven to move on the sliding rail 704.

As shown in fig. 1: the two sides of the first frame body 101 are provided with side beams 3, and one side of the first frame body 101 far away from the second frame body 102 is provided with a front beam 4; with the above arrangement, the side member 3 can more conveniently mount the entire apparatus at a specified position.

As shown in fig. 1: the front beam 4 is provided with a plug connector which is electrically connected with the battery module 6; through the arrangement, the plug connector can be more conveniently connected with external equipment.

As shown in fig. 1 and 2: the upper surface and the lower surface of the frame 1 are respectively provided with a top plate 2 and a bottom plate 5; with the above arrangement, the position of the battery module 6 is blocked and restricted.

Working principle: when the device is assembled, firstly, the bottom plate 5 and the first frame body 101 are installed, then the battery module 6 and the buffer assembly 7 are sequentially placed into the first frame body 101, the buffer assembly 7 can slide in the first frame body 101 through the limiting block 702 and the limiting groove 104, the arc plate 706 on the buffer assembly 7 is attached to the side edge of the battery module 6, after the battery module 6 and the buffer assembly 7 are installed and placed, the second frame body 102 is combined with the first frame body 101 through the connecting plug 103, the top plate 2 is fixed through bolts, and then the whole installation work is completed.

When the thermal expansion of the battery module 6 occurs, the side edges of the battery module 6 expand towards two sides, so that the arc 706 is extruded, the arc 706 is elastically deformed after being extruded, two sides of the arc can move under the cooperation of the sliding block 705 and the sliding rail 704, space is provided for the expansion of the battery module 6, the situation that the battery module 6 is mutually extruded due to the expansion, and fracture occurs is avoided, and overall safety is provided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Battery pack with protective structure, comprising a frame (1), characterized in that: the frame (1) is split type connection, a plurality of battery modules (6) are evenly arranged in the frame (1), a buffer assembly (7) is arranged between the battery modules (6), and the buffer assembly (7) is connected to the frame (1) in a sliding mode.

2. The battery pack with a protective structure according to claim 1, wherein: the frame (1) comprises a first frame body (101) and a second frame body (102);

the second frame body (102) is provided with a connecting plug (103), and the connecting plug (103) is inserted into the first frame body (101) and is connected through bolts.

3. The battery pack with a protective structure according to claim 2, wherein: limiting grooves (104) are formed in the inner side walls of the first frame body (101) and the second frame body (102).

4. A battery pack with a protective structure according to claim 3, wherein: the buffer assembly (7) comprises a connecting frame (701);

limiting blocks (702) are symmetrically arranged at two ends of the connecting frame (701), and the limiting blocks (702) are slidably connected to the inside of the limiting groove (104).

5. The battery pack with a protective structure according to claim 4, wherein: four grooves (703) are symmetrically formed in two sides of the connecting frame (701).

6. The battery pack with a protective structure according to claim 5, wherein: the inside of recess (703) is installed slide rail (704), slide rail (704) are last to be connected with two sliders (705) in a sliding way.

7. The battery pack with a protective structure according to claim 6, wherein: arc plates (706) are arranged on the two sliding blocks (705).

8. The battery pack with a protective structure according to claim 2, wherein: side beams (3) are arranged on two sides of the first frame body (101), and a front beam (4) is arranged on one side, far away from the second frame body (102), of the first frame body (101).

9. The battery pack with a protective structure according to claim 8, wherein: and the front beam (4) is provided with a plug connector which is electrically connected with the battery module (6).

10. The battery pack with a protective structure according to claim 1, wherein: the upper surface and the lower surface of the frame (1) are respectively provided with a top plate (2) and a bottom plate (5).