Battery box capable of improving conductive stability

Abstract

The utility model discloses a battery box capable of improving conductive stability. The battery box comprises a box body, a plurality of positive conducting strips and a plurality of negative conducting strips, two opposite side walls of the box body are respectively provided with a plurality of first insertion positions and second insertion positions; the positive conducting strip is inserted into the first insertion position and connected with the positive electrode of the external equipment, and the positive electrode of the battery abuts against the positive conducting strip; the negative electrode conducting strip is inserted into the second insertion position and is connected with the negative electrode of the external equipment; the negative electrode of the battery is propped against the negative electrode conducting strip; the positive conducting strip and the negative conducting strip are integrally formed by stamping metal; through the structure, the contact area between the conducting strip and the battery pole can reach more than 80% of the maximum area of a single pole of the battery pole, meanwhile, the production process difficulty and cost of the conducting strip as well as the assembly complexity are greatly reduced, and very good practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the field of batteries, and particularly to a battery box that can improve the conductive stability. Background Art

[0002] Batteries are commonly used energy storage devices in daily life and are widely used in various fields. The battery box supports cylindrical batteries with the positive and negative electrodes at the two ends of the battery respectively, such as batteries with specifications of 32XXX and 33XXX. Common models include Zhongbi New Energy 32140FS series, Mianyang Lithium Source New Energy LY32140 series, Taizhou Jiashikai I FR32140 series, etc. However, in the battery boxes corresponding to these batteries, springs are used as the connecting conductors for the series and parallel connections of the batteries. Such a structure not only makes the production and manufacturing process more complex, but also makes the assembly more troublesome. At the same time, the contact area between the spring and the battery is small, resulting in unstable energy transmission. Therefore, there is an urgent need for a battery box that can improve the conductive stability to solve the above problems. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a battery box that can improve the conductive stability.

[0004] An embodiment of the utility model solves the technical problem by adopting the following technical solution: A battery box that can improve the conductive stability, comprising a box body, a plurality of positive conductive sheets, and a plurality of negative conductive sheets;

[0005] A plurality of first insertion positions and second insertion positions are respectively arranged on two opposite side walls of the box body;

[0006] The positive conductive sheet is inserted into the first insertion position and connected to the positive electrode of the external device, and the positive electrode of the battery abuts against the positive conductive sheet;

[0007] The negative conductive sheet is inserted into the second insertion position and connected to the negative electrode of the external device, and the negative electrode of the battery abuts against the negative conductive sheet;

[0008] The positive conductive sheet and the negative conductive sheet are integrally formed by stamping metal.

[0009] As one of the preferred embodiments of the utility model, the positive conductive sheet includes a first abutting portion, a first insertion portion, and a second insertion portion. The first insertion portion and the second insertion portion are respectively connected to both sides of the first abutting portion. The first insertion positions are grouped in pairs of two. The first insertion portion is inserted into one of the first insertion positions, and the second insertion portion is inserted into the other first insertion position. The positive electrode of the battery abuts against the first abutting portion.

[0010] As one of the preferred embodiments of the present utility model, the negative electrode conductive sheet includes a second abutting portion, a third insertion portion, and a fourth insertion portion. The third insertion portion and the fourth insertion portion are respectively connected to two sides of the second abutting portion. The second insertion positions are grouped in pairs. The third insertion portion is inserted into one of the second insertion positions, and the fourth insertion portion is inserted into the other second insertion position. The negative electrode of the battery abuts against the second abutting portion.

[0011] As one of the preferred embodiments of the present utility model, a battery box capable of improving conductive stability further includes a plurality of draw ropes. The upper end of the box body has an installation opening. The two ends of the draw rope are respectively connected to two opposite inner side walls of the box body and at least one end is movably connected. The battery is pressed against the draw rope, and the draw rope can push the battery out of the box body through the installation opening when being pulled.

[0012] As one of the preferred embodiments of the present utility model, a limiting portion located outside the box body is provided at the end of the draw rope for restricting the draw rope from retracting into the box body.

[0013] As one of the preferred embodiments of the present utility model, an elastic member is provided between the positive electrode conductive sheet and / or the negative electrode conductive sheet and the box body for pushing the positive electrode conductive sheet and / or the negative electrode conductive sheet to abut against the battery.

[0014] As one of the preferred embodiments of the present utility model, the elastic member is set as a spring.

[0015] The beneficial effects of the present utility model: A battery box capable of improving conductive stability includes a box body, a plurality of positive electrode conductive sheets, and a plurality of negative electrode conductive sheets; a plurality of first insertion positions and second insertion positions are respectively provided on two opposite side walls of the box body; the positive electrode conductive sheets are inserted into the first insertion positions and connected to the positive electrodes of external devices, and the positive electrodes of the batteries abut against the positive electrode conductive sheets; the negative electrode conductive sheets are inserted into the second insertion positions and connected to the negative electrodes of external devices, and the negative electrodes of the batteries abut against the negative electrode conductive sheets; the positive electrode conductive sheets and the negative electrode conductive sheets are integrally formed by stamping with metal; through the above structure, the contact area between the conductive sheets and the battery pole columns can reach more than 80% of the maximum area of a single battery pole column, and at the same time, the production process difficulty and cost of the conductive sheets, as well as the complexity of assembly, are greatly reduced, having very good practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0017] Figure 1 is a schematic structural diagram of a battery box capable of improving conductive stability;

[0018] Figure 2 is an exploded view of a battery box capable of improving conductive stability. Detailed Implementation Modes

[0019] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention. However, it should not be construed as a limitation on the protection scope of the present invention.

[0020] In the description of the present invention, the meaning of "a plurality" is more than two. Understandings such as "greater than", "less than", and "exceeding" do not include the present number, while understandings such as "above", "below", and "within" include the present number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0021] In the description of the present invention, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by "up", "down", "front", "rear", "left", "right", etc., is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.

[0022] In the present invention, unless otherwise clearly defined, terms such as "set", "installed", and "connected" should be understood in a broad sense. For example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected, detachably connected, or integrally formed; they can be mechanically connected; they can be the communication inside two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0023] Referring to Figures 1 to 2 , a battery box that can improve the conductive stability, includes a box body 10, a plurality of positive conductive sheets 20, and a plurality of negative conductive sheets 30;

[0024] A plurality of first insertion positions 11 and second insertion positions 12 are respectively provided on two opposite side walls of the box body 10;

[0025] The positive conductive sheet 20 is inserted into the first insertion position 11 and connected to the positive pole of an external device, and the positive pole of the battery 40 abuts against the positive conductive sheet 20;

[0026] The negative conductive sheet 30 is inserted into the second insertion position 12 and connected to the negative pole of an external device, and the negative pole of the battery 40 abuts against the negative conductive sheet 30;

[0027] The positive electrode conductive sheet 20 and the negative electrode conductive sheet 30 are integrally formed by stamping a metal.

[0028] ① In the present utility model, the battery box is composed of a box body 10, a plurality of positive electrode conductive sheets 20 and a plurality of negative electrode conductive sheets 30, and is used for installing a battery 40, so that a circuit is formed between the battery 40 and an external device; wherein, the positive electrode conductive sheet 20 includes a first abutting portion 21, a first inserting portion 22 and a second inserting portion 23, the first inserting portion 22 and the second inserting portion 23 are respectively connected to both sides of the first abutting portion 21, the first inserting positions 11 are grouped in pairs, the first inserting portion 22 is inserted into one of the first inserting positions 11, the second inserting portion 23 is inserted into the other first inserting position 11, and the positive electrode of the battery 40 abuts against the first abutting portion 21; the negative electrode conductive sheet 30 includes a second abutting portion 31, a third inserting portion 32 and a fourth inserting portion 33, the third inserting portion 32 and the fourth inserting portion 33 are respectively connected to both sides of the second abutting portion 31, the second inserting positions 12 are grouped in pairs, the third inserting portion 32 is inserted into one of the second inserting positions 12, the fourth inserting portion 33 is inserted into the other second inserting position 12, and the negative electrode of the battery 40 abuts against the second abutting portion 31; during assembly, the first inserting portion 22 and the second inserting portion 23 on the positive electrode conductive sheet 20 are respectively inserted into 2 first inserting positions 11, and the third inserting portion 32 and the fourth inserting portion 33 on the negative electrode conductive sheet 30 are respectively inserted into 2 second inserting positions 12. Specifically, each inserting portion is bent towards the abutting portion to achieve connection.

[0029] ② In an embodiment, an elastic member 70 is provided between the positive electrode conductive sheet 20 and / or the negative electrode conductive sheet 30 and the box body 10, and is used to push the positive electrode conductive sheet 20 and / or the negative electrode conductive sheet 30 to abut against the battery 40; and the elastic member 70 is preferably set as a spring; during assembly, one end of the elastic member 70 is first abutted against the conductive sheet, and while compressing the elastic member 70, the conductive sheet is installed on the corresponding installation position on the box body 10, so that the other end of the elastic member 70 abuts against the inner side wall of the box body 10, which can provide a very good contact effect between the conductive sheet and the battery 40.

[0030] ③In another embodiment, the battery case further includes a plurality of drawstrings 50. The upper end of the case body 10 has an installation opening 13. Both ends of the drawstring 50 are respectively connected to two opposite inner sidewalls of the case body 10 and at least one end is movably connected. The battery 40 is press-connected to the drawstring 50. When the drawstring 50 is pulled, it can push the battery 40 out of the case body 10 through the installation opening 13; preferably, both ends of the drawstring 50 are movably connected to the case body 10. A limiting portion 60 is provided at the end of the drawstring 50 to limit the drawstring 50, preventing the drawstring 50 from completely retracting into the case body 10 and unable to push the battery 40; the battery 40 is installed in the case body 10 with the positive electrode in contact with the positive electrode conductive sheet 20 and the negative electrode in contact with the negative electrode conductive sheet 30. The positive electrode conductive sheet 20 and the negative electrode conductive sheet 30 are then connected to external devices or circuits as needed to form a complete circuit; when the battery 40 needs to be disassembled, only the drawstring 50 needs to be pulled. The drawstring 50 will push the battery 40 out of the case body 10 during movement, realizing the quick disassembly of the battery 40.

[0031] ④The advantages of the present utility model are as follows: Through the above structure, the contact area between the conductive sheet and the battery pole can reach more than 80% of the maximum area of a single pole of the battery pole. At the same time, it also greatly reduces the production process difficulty and cost of the conductive sheet, as well as the complexity of assembly, and has very good practicability.

[0032] As a preferred embodiment of the drawstring 50, the drawstring 50 is set as a braided rope. In a further preferred embodiment, the drawstring 50 is made of an insulating material.

[0033] In one embodiment, a plurality of heat dissipation holes 80 are provided on the case body 10 so that the temperature generated by the battery 40 can be dissipated in time through air convection, having better heat dissipation performance.

[0034] Certainly, the present utility model is not limited to the above embodiments. Those skilled in the art can make equivalent deformations or substitutions without departing from the spirit of the present utility model, and these equivalent deformations and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A battery case capable of improving conductive stability, characterized in that: It includes a box body (10), a plurality of positive conductive sheets (20), and a plurality of negative conductive sheets (30); On two opposite side walls of the box body (10), a plurality of first insertion positions (11) and second insertion positions (12) are respectively provided; The positive conductive sheet (20) is inserted into the first insertion position (11) and is connected to the positive pole of an external device, and the positive pole of the battery (40) abuts against the positive conductive sheet (20); The negative conductive sheet (30) is inserted into the second insertion position (12) and is connected to the negative pole of an external device, and the negative pole of the battery (40) abuts against the negative conductive sheet (30); The positive conductive sheet (20) and the negative conductive sheet (30) are integrally formed by stamping metal; 2. The battery case capable of improving the conductive stability according to claim 1, wherein: The positive conductive sheet (20) includes a first abutting portion (21), a first insertion portion (22), and a second insertion portion (23). The first insertion portion (22) and the second insertion portion (23) are respectively connected to both sides of the first abutting portion (21). The first insertion positions (11) are grouped in pairs of two. The first insertion portion (22) is inserted into one of the first insertion positions (11), and the second insertion portion (23) is inserted into the other first insertion position (11). The positive pole of the battery (40) abuts against the first abutting portion (21); 3. A battery case capable of improving conductive stability according to claim 1, characterized in that: The negative conductive sheet (30) includes a second abutting portion (31), a third insertion portion (32), and a fourth insertion portion (33). The third insertion portion (32) and the fourth insertion portion (33) are respectively connected to both sides of the second abutting portion (31). The second insertion positions (12) are grouped in pairs of two. The third insertion portion (32) is inserted into one of the second insertion positions (12), and the fourth insertion portion (33) is inserted into the other second insertion position (12). The negative pole of the battery (40) abuts against the second abutting portion (31); 4. A battery case capable of improving conductive stability according to claim 1, characterized in that: It further includes a plurality of draw ropes (50). The upper end of the box body (10) has an installation opening (13). Both ends of the draw rope (50) are respectively connected to two opposite inner side walls of the box body (10) and at least one end is movably connected. The battery (40) is pressed against the draw rope (50), and the draw rope (50) can push the battery (40) out of the box body (10) through the installation opening (13) when being pulled; 5. A battery case capable of improving conductive stability according to claim 4, characterized in that: A limiting portion (60) located outside the box body (10) is provided at the end of the draw rope (50) for restricting the draw rope (50) from retracting into the box body (10); 6. The battery case capable of improving the conductive stability according to claim 1, wherein: An elastic member (70) is provided between the positive conductive sheet (20) and / or the negative conductive sheet (30) and the box body (10) for pushing the positive conductive sheet (20) and / or the negative conductive sheet (30) to abut against the battery (40); 7. A battery case capable of improving conductive stability according to claim 6, characterized in that: The elastic member (70) is set as a spring.

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