High-strength connection structure for lithium battery module

Abstract

The utility model relates to lithium battery module connecting equipment technical field, especially a kind of high-strength connecting structure for lithium battery module, it is applied to lithium battery pack, including connecting mechanism, connecting mechanism includes two end panels and two side edge boards, two end panels are located lithium battery pack top end and bottom end outside, two side edge boards are located lithium battery pack both sides, and two end panels and two side edge boards are all in connecting state, and two end panels are all set with positioning connecting groove to opposite side, two positioning connecting grooves inside are movably connected with limit plate, limit plate outside is set with positioning slot, positioning connecting groove inside is set with empty slot, spring is arranged in empty slot, the other end of spring is provided with positioning plug rod, and positioning plug rod one end is movably connected in the inside of positioning slot, and positioning plug rod outside is provided with auxiliary pull block, and auxiliary pull block one end penetrates end panel and extends to end panel outside;Lithium battery pack can be better and firmly connected.

Description

Technical Field

[0001] This utility model relates to the technical field of lithium battery module connection equipment, and in particular to a high-strength connection structure for lithium battery modules. Background Technology

[0002] Lithium-ion batteries are a type of battery that uses lithium metal or lithium alloys as the positive / negative electrode materials and a non-aqueous electrolyte solution. Due to the highly reactive chemical properties of lithium metal, its processing, storage, and use require very strict environmental control. With the development of science and technology, lithium-ion batteries have become the mainstream technology. When lithium batteries are modularly connected, the mainstream approach is to use simple methods to connect them. However, these methods are not very strong and are easily damaged when the lithium battery modules are placed in equipment due to vibrations or other reasons. Therefore, we propose a high-strength connection structure for lithium battery modules. Summary of the Invention

[0003] To overcome the shortcomings of existing technologies, this utility model provides a high-strength connection structure for lithium battery modules, which can better and more securely connect lithium battery packs, preventing loosening due to vibration or other reasons during use. At the same time, the components of this structure are dispersed, providing greater freedom and flexibility during assembly, thus improving the user experience and performance.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a high-strength connection structure for lithium battery modules, applied to lithium battery packs, including a connection mechanism. The connection mechanism includes two end panels and two side panels. The two end panels are located on the outer sides of the top and bottom ends of the lithium battery pack, and the two side panels are located on both sides of the lithium battery pack. Both end panels and the two side panels are connected. Each of the two end panels has a positioning connection groove on its opposite side. A limiting plate is movably connected to the inner side of the two positioning connection grooves. A positioning slot is provided on the outer side of the limiting plate. A slot is provided on the inner side of the positioning connection groove. A spring is provided on the inner side of the slot. A positioning rod is provided on the other end face of the spring. One end of the positioning rod is movably connected to the inner side of the positioning slot. An auxiliary pull block is provided on the outer side of the positioning rod. One end of the auxiliary pull block penetrates the end panel and extends to the outer side of the end panel.

[0005] As a preferred embodiment of this utility model, each of the two end panels has a connecting slot on its opposite side, and the two ends of the end panels are respectively inserted into the two connecting slots.

[0006] As a preferred embodiment of this utility model, the inner side of the side plate is provided with a spacer, which is disposed in the spacer of the lithium battery pack.

[0007] As a preferred technical solution of this utility model, the limiting plate is provided in two sets, and the number of the limiting plates in one set is two, which are symmetrically arranged with the center point of one side surface of the end panel as the axis.

[0008] As a preferred technical solution of this utility model, the limiting plate is provided with an anti-slip strip on the side near the lithium battery pack, and the anti-slip strip and the limiting plate are adhesively connected.

[0009] As a preferred technical solution of this utility model, it also includes a reinforcement mechanism, which includes a first threaded groove and a second threaded groove. The second threaded groove is opened on the outer side of one end of the side plate located inside the connecting slot. The first threaded groove is opened on one side of the end panel and corresponds to the position of the second threaded groove. The first threaded groove and the second threaded groove are threadedly connected to a positioning screw. The end face of the positioning screw located on the outer side of the end panel is provided with an auxiliary rotating block.

[0010] Compared with the prior art, the beneficial effects that this utility model can achieve are: 1. The designed connecting mechanism can better and more securely connect the lithium battery pack, preventing it from becoming loose due to vibration or other reasons during use. At the same time, the components of this mechanism are all separate, which allows for greater freedom and flexibility in assembly, improving the user experience and performance. 2. The reinforcement mechanism further strengthens the connection between the end panel and the side panel, making the overall connection of the device more stable. At the same time, the operation of this mechanism is simple and stable, making it more practical. Attached Figure Description

[0011] Figure 1 This is a top view cross-sectional structural diagram of the present invention; Figure 2 This is a side sectional view of the present invention. Figure 3 For the present utility model Figure 1 Enlarged structural diagram at point A; Figure 4 For the present utility model Figure 2 Enlarged structural diagram at point B; The components are: 1. Lithium battery pack; 2. End panel; 3. Side panel; 4. Limiting plate; 20. Connecting slot; 21. Positioning connecting slot; 22. Empty slot; 23. Spring; 24. Positioning insert; 25. Auxiliary pull block; 26. First threaded groove; 30. Spacer; 31. Second threaded groove; 32. Positioning screw; 33. Auxiliary rotating block; 41. Positioning slot. Detailed Implementation

[0012] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described herein without creative effort are all within the protection scope of this utility model. Unless otherwise specified, the experimental methods in the following embodiments are conventional methods, and the materials and reagents used in the following embodiments are commercially available unless otherwise specified. Example 1:

[0013] like Figures 1-4 As shown, a high-strength connection structure for a lithium battery module is applied to a lithium battery pack 1. The connection mechanism includes two end panels 2 and two side panels 3. The two end panels 2 are located on the outer sides of the top and bottom ends of the lithium battery pack 1, and the two side panels 3 are located on both sides of the lithium battery pack 1. Both end panels 2 and the two side panels 3 are connected. Each of the two end panels 2 has a positioning connection groove 21 on its opposite side. A limiting plate 4 is movably connected to the inner side of the two positioning connection grooves 21. A positioning slot 41 is provided on the outer side of the limiting plate 4. A slot 22 is provided inside the positioning connection groove 21. A spring 23 is provided inside the slot 22. A positioning rod 24 is provided at the other end face of the spring 23. One end of the positioning rod 24 is movably connected to the inner side of the positioning slot 41, and an auxiliary pull block 25 is provided on the outer side of the positioning rod 24. One end of the auxiliary pull block 25 penetrates the end panel 2 and extends to the outer side of the end panel 2. Each of the two end panels 2 has a connection slot 20 on its opposite side, and both ends of the end panel 2 are respectively inserted into the inner side of the two connection slots 20. Lithium-ion batteries are a type of battery that uses lithium metal or lithium alloys as the positive / negative electrode materials and a non-aqueous electrolyte solution. Due to the highly reactive chemical properties of lithium metal, its processing, storage, and use require very strict environmental control. With the development of science and technology, lithium-ion batteries have become the mainstream technology. When lithium batteries are modularly connected, the mainstream approach is to use simple methods to connect them. This method is not very strong and is prone to damage when the lithium battery modules are placed in equipment due to vibrations or other reasons. First, place the lithium battery packs 1 one by one on the bottom end panel 2. Then, insert the side panel 3 into the connecting slot 20 on the bottom end panel 2 to completely surround the lithium battery packs 1. Install the other side panel 3 in the same way. The two side panels 3 will surround both sides of the lithium battery packs 1. Then, align the bottom end panel 2 of the top end panel 2 with the top of the two side panels 3 so that the other side panel 3 surrounds the top of the lithium battery packs 1. Finally, move the auxiliary pull block 25 away from the positioning connector. Pulling the groove 21 in the direction of the positioning rod 24 compresses the spring 23. The spring 23 retracts and causes the positioning rod 24 to leave the positioning groove 21 and return to the inside of the empty groove 22. The limiting plate 4 can then be inserted into the positioning groove 21. After insertion, the auxiliary pull block 25 is released, and the spring 23 will rebound and push the positioning rod 24 into the positioning slot 41 to limit the limiting plate 4. This provides secondary reinforcement to the outside of the lithium battery pack 1, thereby completing the complete connection of the lithium battery pack 1. It can better and more securely connect the lithium battery pack 1, so that it will not become loose due to vibration or other reasons during use. At the same time, the components of this mechanism are separate, which allows for greater freedom and flexibility in assembly, improving the user experience and performance.

[0014] In other embodiments, this embodiment discloses, please refer to Figure 1 As shown, a spacer 30 is provided on the inner side of the side plate 3, and the spacer 30 is located in the interval of the lithium battery pack 1. Through this design, the connection stability between each lithium battery in the lithium battery pack 1 can be better guaranteed, and the mutual collision during vibration can be avoided, thus effectively ensuring battery safety.

[0015] In other embodiments, this embodiment discloses, please refer to Figure 2 As shown, there are two sets of limiting plates 4. Each set of limiting plates 4 has two plates and is symmetrically arranged with the center point of one side surface of the end panel 2 as the axis. This design can better enhance the overall protection of the lithium battery pack 1.

[0016] In other embodiments, this embodiment discloses, please refer to Figure 2 As shown, the limiting plate 4 has an anti-slip strip on the side near the lithium battery pack 1, and the anti-slip strip is adhesively connected to the limiting plate 4. This design can increase the friction between the limiting plate 4 and the lithium battery pack 1, so that the limiting plate 4 can provide greater protection for the lithium battery pack 1 when it surrounds the lithium battery pack 1. Example 2:

[0017] In other embodiments, this embodiment discloses, please refer to Figures 1-3As shown, it also includes a reinforcement mechanism, which includes a first threaded groove 26 and a second threaded groove 31. The second threaded groove 31 is opened on the outer side of one end of the side plate 3 located inside the connecting slot 20. The first threaded groove 26 is opened on one side of the end panel 2 and corresponds to the position of the second threaded groove 31. The first threaded groove 26 and the second threaded groove 31 are threadedly connected to a positioning screw 32. The end face of the positioning screw 32 located on the outer side of the end panel 2 is provided with an auxiliary rotating block 33. After the device is assembled, the positioning screw 32 is aligned with the first threaded groove 26 and the second threaded groove 31 and then rotated into place. This creates another layer of connection between the end panel 2 and the side panel 3, thereby improving the stability of the connection. It can further strengthen the connection between the end panel 2 and the side panel 3, making the overall connection of the device more stable. At the same time, the operation of this mechanism is simple and stable, and its practicality is stronger.

[0018] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A high-strength connection structure for a lithium battery module, applied to a lithium battery pack (1), comprising a connection mechanism, characterized in that: The connecting mechanism includes two end panels (2) and two side panels (3). The two end panels (2) are located on the outer sides of the top and bottom of the lithium battery pack (1), and the two side panels (3) are located on both sides of the lithium battery pack (1). The two end panels (2) and the two side panels (3) are connected. Each of the two end panels (2) has a positioning connection groove (21) on its opposite side. A limiting plate (4) is movably connected to the inner side of the two positioning connection grooves (21). The limiting plate (4) A positioning slot (41) is provided on the outer side of the positioning connection slot (21), and a slot (22) is provided on the inner side of the positioning connection slot (21). A spring (23) is provided on the inner side of the slot (22), and a positioning rod (24) is provided on the other end face of the spring (23). One end of the positioning rod (24) is movably connected to the inner side of the positioning slot (41), and an auxiliary pull block (25) is provided on the outer side of the positioning rod (24). One end of the auxiliary pull block (25) penetrates the end panel (2) and extends to the outer side of the end panel (2).

2. The high-strength connection structure for a lithium battery module according to claim 1, characterized in that: Each of the two end panels (2) has a connecting slot (20) on its opposite side, and the two ends of the end panels (2) are respectively inserted into the inside of the two connecting slots (20).

3. The high-strength connection structure for a lithium battery module according to claim 1, characterized in that: The side plate (3) is provided with a spacer (30) on its inner side, and the spacer (30) is provided in the spacer of the lithium battery pack (1).

4. The high-strength connection structure for a lithium battery module according to claim 1, characterized in that: The limiting plate (4) is provided in two sets. The number of the limiting plate (4) in one set is two and they are symmetrically arranged with the center point of one side surface of the end panel (2) as the axis.

5. The high-strength connection structure for a lithium battery module according to claim 1, characterized in that: The limiting plate (4) is provided with an anti-slip strip on the side near the lithium battery pack (1), and the anti-slip strip is adhesively connected to the limiting plate (4).

6. The high-strength connection structure for a lithium battery module according to claim 1, characterized in that: It also includes a reinforcement mechanism, which includes a first threaded groove (26) and a second threaded groove (31). The second threaded groove (31) is opened on the outer side of one end of the side plate (3) located inside the connecting slot (20). The first threaded groove (26) is opened on one side of the end panel (2) and corresponds to the position of the second threaded groove (31). The first threaded groove (26) and the second threaded groove (31) are threadedly connected to a positioning screw (32). The end face of the positioning screw (32) located outside the end panel (2) is provided with an auxiliary rotating block (33).

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