Battery cell convenient to disassemble

Abstract

The utility model relates to the technical field of battery cells, and particularly discloses a battery cell convenient to disassemble, which comprises a battery cell body, two outer terminals, two pole columns and a first connecting part, the two outer terminals are respectively fixed on two symmetrical sides of the battery cell body, the two pole columns are arranged on the two outer terminals along the vertical direction, and the first connecting part is arranged on the two outer terminals. The pole is a component used for connecting the battery cell and the busbar, the battery cell is electrically connected by inserting the pole into the busbar, the first connecting parts are used for being connected with a disassembly piece so as to drive the battery cell by the disassembly piece and separate the battery cell from the busbar, and the two first connecting parts are connected with the two second connecting parts of the disassembly piece respectively so as to enable the battery cell to be electrically connected with the busbar. The two sides of the battery cell can be stressed at the same time, so that uniform stress on the two sides of the battery cell is ensured, the stability of the battery cell in the dismounting process is improved, and meanwhile, damage to the two sides of the battery cell due to non-uniform stress can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of disassembly and assembly of electric cores, in particular to an electric core that is easy to disassemble. Background Art

[0002] In the field of battery technology, battery packs, as the core component of energy storage systems, are widely used in electric vehicles, energy storage stations and other fields. The battery pack is composed of dozens or even hundreds of battery cells connected in series or parallel. The connection between these battery cells is usually completed by a bus made of copper or aluminum materials. Each battery cell is connected to the bus by welding or plugging.

[0003] Among them, welding has better stability, but its connection relationship is permanent. Once a battery cell fails or is damaged, the entire module or even the entire battery pack needs to be replaced, and its maintenance cost is high. However, when plug-in is used, the battery cell often needs to remove a series of components such as corner guards, mounting plates and end plates before disassembly. This series of operations is complicated and time-consuming, which also increases costs. Summary of the Invention

[0004] The present invention is made in consideration of the above-mentioned problems. The purpose of the present invention is to provide a battery cell that is easy to disassemble, which can realize rapid disassembly of the battery cell, high disassembly efficiency and low cost.

[0005] To achieve the above objectives, the present invention provides a battery cell that is easily disassembled and can be connected to a disassembly component. The battery cell can be driven by the disassembly component to separate from a busbar. The battery cell includes a battery cell body and a first connecting portion. Two first connecting portions are respectively arranged on two symmetrical sides of the battery cell body.

[0006] The two first connection parts can be connected to the two second connection parts of the detachable component respectively.

[0007] According to the above-mentioned battery cell that is easy to disassemble, the battery cell further includes external terminals and poles, the two external terminals are respectively fixed on two symmetrical sides of the battery cell body, and the two poles are arranged on the two external terminals along the vertical direction.

[0008] According to the above-mentioned battery cell that is easy to disassemble, the first connecting part is set as a threaded hole, and the threaded hole is arranged at the top of the pole in the vertical direction. One end of the second connecting part can extend into the threaded hole and can be threadedly engaged with the threaded hole.

[0009] According to the above-mentioned battery cell that is easy to disassemble, the battery cell also includes a boss, which is fixed on both sides of the battery cell body that are symmetrical and located directly above the pole. The first connecting part is set as a threaded hole, and the threaded hole is arranged at the top of the boss in the vertical direction. One end of the second connecting part can extend into the threaded hole and can be threadedly engaged with the threaded hole.

[0010] According to the above-mentioned battery cell that is easy to disassemble, the first connecting portion is configured as a hanging hole, the hanging hole is arranged on the pole along the front-to-back direction, and one end of the second connecting portion can be inserted into the hanging hole.

[0011] According to the above-mentioned battery cell that is easy to disassemble, the battery cell also includes a boss, which is fixed on both sides of the battery cell body that are symmetrical and located directly above the pole. The first connecting part is set as a hanging hole, and the hanging hole is arranged on the boss along the front-to-back direction. One end of the second connecting part can be inserted into the hanging hole.

[0012] The utility model has the following beneficial effects: threaded holes or lifting holes are provided on the battery cell poles or bosses, which can be connected to the disassembly parts through threaded connections or lifting connections, which is conducive to driving the battery cell to move through the disassembly parts. When the battery cell adopts a plug-in method, the disassembly efficiency of the battery cell can be greatly improved, saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of embodiment 1;

[0014] Figure 2 It is a schematic diagram of the overall structure of embodiment 2;

[0015] Figure 3 It is a schematic diagram of the overall structure of embodiment 3;

[0016] Figure 4 It is a schematic diagram of the overall structure of embodiment 4.

[0017] In the picture:

[0018] 1. Battery cell body; 2. External terminal; 3. Post; 4. Threaded hole; 5. Boss; 6. Lifting hole. DETAILED DESCRIPTION

[0019] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0020] Example 1

[0021] like Figure 1As shown, a battery cell that is easy to disassemble includes a battery cell body 1 and a first connecting portion. The first connecting portion is used to connect with a disassembly component to enable the battery cell to be driven by the disassembly component and to separate the battery cell from the busbar.

[0022] Among them, the two first connecting parts are respectively connected to the two second connecting parts of the disassembly part, that is, both sides of the battery cell can be subjected to force at the same time, ensuring that the force on both sides of the battery cell is uniform, improving its stability during the disassembly process, and at the same time avoiding damage to both sides of the battery cell due to uneven force.

[0023] Among them, the battery cell also includes external terminals 2 and poles 3. The two external terminals 2 are fixed on the symmetrical sides of the battery cell body 1, and the two poles 3 are arranged on the two external terminals 2 in the vertical direction. The poles 3 are components used to connect the battery cell and the bus. The battery cell is electrically connected by inserting the poles 3 into the bus.

[0024] In this embodiment, the first connecting portion is set as a threaded hole 4, which is arranged at the top of the pole 3 in the vertical direction. One end of the second connecting portion can be inserted into the threaded hole 4 and can be threadedly engaged with the threaded hole 4, that is, the disassembly part can be directly threadedly connected to the pole 3 to realize the driving of the battery cell, which can avoid the addition of additional components and reduce costs.

[0025] Example 2

[0026] like Figure 2 As shown, the battery cell also includes an external terminal 2 and a pole 3. The two external terminals 2 are fixed on both sides of the battery cell body 1 symmetrically, and the two poles 3 are arranged on the two external terminals 2 in the vertical direction. The pole 3 is a component used to connect the battery cell and the bus. The battery cell is electrically connected by inserting the pole 3 into the bus.

[0027] In this embodiment, the battery cell also includes a boss 5, which is fixed on both sides of the battery cell body symmetrically and is located directly above the pole 3. The first connecting portion is set as a threaded hole 4, and the threaded hole 4 is arranged at the top of the boss 5 in the vertical direction. One end of the second connecting portion can extend into the threaded hole 4 and can be threadedly engaged with the threaded hole 4. An additional boss 5 is provided, and the disassembly part can be connected to the battery cell through the threaded connection of the boss 5, which can avoid affecting the insertion of the pole 3.

[0028] Example 3

[0029] The battery cell also includes an external terminal 2 and a pole 3. The two external terminals 2 are fixed on both sides of the battery cell body 1 symmetrically, and the two poles 3 are arranged on the two external terminals 2 in the vertical direction. The pole 3 is a component used to connect the battery cell and the bus. The battery cell is electrically connected by inserting the pole 3 into the bus.

[0030] In this embodiment, the first connecting portion is set as a lifting hole 6, and the lifting hole 6 is arranged on the pole 3 along the front-to-back direction. One end of the second connecting portion can be inserted into the lifting hole 6, that is, the disassembly part can be connected to the pole 3 by plugging and drive the battery cell by lifting, and there is no need to add other lifting parts.

[0031] Example 4

[0032] The battery cell also includes an external terminal 2 and a pole 3. The two external terminals 2 are fixed on both sides of the battery cell body 1 symmetrically, and the two poles 3 are arranged on the two external terminals 2 in the vertical direction. The pole 3 is a component used to connect the battery cell and the bus. The battery cell is electrically connected by inserting the pole 3 into the bus.

[0033] In this embodiment, the battery cell also includes a boss 5, which is fixed on both sides of the battery cell body symmetrically and is located directly above the pole 3. The first connecting portion is set as a lifting hole 6, and the lifting holes 6 are arranged on the boss 5 along the front-to-back direction. One end of the second connecting portion can be inserted into the lifting hole 6, that is, the disassembly part is connected to the boss 5 by plugging, and the battery cell is lifted by the boss 5. Since the boss 5 is separated from the pole 3, interference with the plugging of the pole 3 can be avoided.

[0034] The technical solution of the present invention has been described in detail above with reference to the accompanying drawings, and the embodiments described are intended to help understand the concept of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention may make various modifications or additions to the described specific embodiments, or adopt similar methods to replace them, without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0035] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, terms such as "first," "second," and "an" in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0037] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0038] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

Claims

1. A battery cell that is easy to disassemble, which can be connected to a disassembly component, and the battery cell can be driven by the disassembly component to separate from the busbar, characterized in that: The battery cell includes a battery cell body and a first connecting portion, wherein two first connecting portions are respectively arranged on two symmetrical sides of the battery cell body; The two first connection parts can be connected to the two second connection parts of the detachable component respectively.

2. The easily disassembled battery cell according to claim 1, characterized in that: The battery cell further includes an external terminal and a pole. The two external terminals are respectively fixed on two symmetrical sides of the battery cell body, and the two poles are arranged on the two external terminals along the vertical direction.

3. The easily disassembled battery cell according to claim 2, characterized in that: The first connection portion is configured as a threaded hole, which is vertically arranged at the top of the pole. One end of the second connection portion can extend into the threaded hole and can be threadedly engaged with the threaded hole.

4. The easily disassembled battery cell according to claim 2, characterized in that: The battery cell also includes a boss, which is fixed on two symmetrical sides of the battery cell body and is located directly above the pole. The first connecting part is set as a threaded hole, and the threaded hole is arranged at the top of the boss along the vertical direction. One end of the second connecting part can extend into the threaded hole and can be threadedly engaged with the threaded hole.

5. The easily disassembled battery cell according to claim 2, characterized in that: The first connection portion is configured as a hanging hole, which is arranged on the pole along a front-to-back direction, and one end of the second connection portion can be inserted into the hanging hole.

6. The easily disassembled battery cell according to claim 2, characterized in that: The battery cell also includes a boss, which is fixed on two symmetrical sides of the battery cell body and is located directly above the pole. The first connecting portion is set as a hanging hole, and the hanging hole is arranged on the boss along the front-to-back direction. One end of the second connecting portion can be inserted into the hanging hole.

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