Lithium battery module fastening connection structure

By combining the frame with sliding blocks, rotating plates, and fixing components, the problem of limited applicability and loosening of lithium battery modules is solved, achieving stability and shock absorption in various environments.

CN223693278UActive Publication Date: 2025-12-19JIANGXI NEW STORAGE KINETIC ENERGY TECH R&D CO LTD
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Patent Information

Application Number
CN202520252252.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-19
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Traditional lithium battery module fixing methods have limited applicability and are prone to loosening under vibration or impact, leading to safety hazards.

Method used

It adopts a combination structure of frame, sliding block, screw, rotating plate, side fixing component and top fixing component. The position of sliding block and rotating plate can be adjusted to adapt to different lengths. The side and top fixing components work together to clamp and fix, and the buffer spring and damper provide shock absorption protection.

Benefits of technology

It improves the versatility and stability of lithium battery modules, prevents loosening, ensures normal operation in harsh environments, and provides shock absorption protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lithium battery module fastening, in particular to a lithium battery module fastening connection structure. The lithium battery module fastening and connecting structure comprises a frame body, sliding blocks, screw rods, hexagonal knobs, a rotating plate, a side position fixing assembly and a top position fixing assembly, a lithium battery module is placed on the frame body, the sliding blocks are symmetrically connected to the top of the frame body in a sliding mode, the screw rods are symmetrically connected to the frame body in a rotating mode, and the hexagonal knobs are arranged on the rotating plate. And the screws are in threaded connection with the sliding blocks, hexagonal knobs are connected to the outer ends of the screws, and rotating plates are rotationally connected to the tops of the sliding blocks. By arranging the sliding block and the screw rod, the lithium battery modules with different lengths can be adapted by adjusting the positions of the sliding block and the rotating plate, and the movable frame in the side position fixing assembly can slide to adjust the position so as to adapt to the lithium battery modules with different widths, so that the universality of the device is improved, and the application range of the device is widened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery module fastening technical field especially relates to a lithium battery module fastening connection structure. BACKGROUND

[0002] With the rapid development of electric vehicles, energy storage systems and other portable electronic devices, lithium batteries have been widely used due to their high energy density, long cycle life and environmental protection characteristics. However, lithium battery modules face various challenges in practical application, especially in complex environments such as vibration, temperature change and mechanical impact, how to ensure the stability and safety of the battery module has become a problem to be solved.

[0003] Traditional lithium battery module fixing methods mainly include bolt-nut connection, welding connection, pressure connection, etc. Although these methods can meet the fixing requirements to some extent, the traditional fixing method is usually designed for battery modules of specific size, and for battery modules of different specifications, it is often necessary to redesign or customize the fixing device, resulting in increased cost and limited application range; under long-term operation or in harsh environments, due to vibration or impact, the traditional fixing part is prone to looseness, which may cause displacement of the battery module and even cause safety accidents. SUMMARY

[0004] In order to overcome the above-mentioned shortcomings, the technical problem of the utility model is to provide a lithium battery module fastening connection structure.

[0005] The technical implementation scheme of the utility model is: a lithium battery module fastening connection structure, comprising a frame, a sliding block, a screw rod, a hexagonal knob, a rotating plate, a side position fixing assembly and a top position fixing assembly, the lithium battery module is placed on the frame, the frame top is symmetrically connected with the sliding block in a sliding manner, the frame is symmetrically connected with the screw rod in a rotating manner, the screw rod is threadedly connected with the sliding block, the outer end of the screw rod is connected with the hexagonal knob, the top of the sliding block is rotatably connected with the rotating plate, the two rotating plates cooperate to define the left and right positions of the lithium battery module, and the rotating plate is provided with the side position fixing assembly and the top position fixing assembly.

[0006] In a preferred embodiment of the utility model, a plurality of heat dissipation holes are uniformly provided on the frame.

[0007] In a preferred embodiment of the utility model, the side position fixing assembly comprises a first bolt, a connecting barrel, a movable frame and a first nut, the first bolt is connected to the front and rear sides of the rotating plate, the connecting barrel is slidably connected to the first bolt, the connecting barrel is connected with the movable frame, the movable frames on the upper and lower sides are arranged in an alternating manner to limit the front and rear sides of the lithium battery module, and the outer end of the first bolt is threadedly connected with the first nut to lock the movable frame.

[0008] In a preferred embodiment of the utility model, the top position fixing assembly comprises second bolts, telescopic racks and second nuts, the middle of the top of the rotating plate is connected with the second bolts, the telescopic racks of n type are clamped between the second bolts on both sides, the telescopic racks are sleeved on the top surface of the lithium battery module, the top end of the second bolt is connected with the second nut in a threaded mode, and the second nut locks the telescopic rack.

[0009] In a preferred embodiment of the utility model, the bottom of the frame body is slidably connected with connecting blocks, the connecting blocks and the inside of the frame body are connected with two buffer springs, and the position close to the connecting block in the frame body is provided with a damper, and the telescopic end of the damper is connected with the connecting block.

[0010] In a preferred embodiment of the utility model, the first nut and the second nut are full metal self-locking nuts.

[0011] Compared with the prior art, the utility model has the following advantages: 1, the setting of the sliding block and the screw rod, by adjusting the position of the sliding block and the rotating plate, the lithium battery module of different lengths is adapted, the movable rack in the side position fixing assembly can also be slidably adjusted, the lithium battery module of different widths is adapted, and the versatility and application range of the device are improved.

[0012] 2, through the synergistic effect of the rotating plate, the movable rack and the telescopic rack, the lithium battery module is clamped and fixed from three dimensions (left and right, front and back, up and down), displacement or loosening of the lithium battery module in the working process is ensured, and the fixing structure is arranged, the reliability of the device is further enhanced, and loosening caused by vibration or impact is effectively prevented.

[0013] 3, the connecting block, the buffer spring and the damper arranged at the four corners of the bottom of the frame body constitute an effective damping system, can provide additional protection under external vibration or impact, reduce the influence on the lithium battery module, and ensure that the lithium battery module can work normally in harsh environment. ACCURACY

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 2 It is a three-dimensional structure schematic view of the frame body, the heat dissipation hole and the sliding block of the utility model.

[0016] Figure 3 It is a three-dimensional structure schematic view of the connecting barrel and the movable rack of the utility model.

[0017] Figure 4 It is a sectional view of the frame body component of the utility model.

[0018] The components in the attached diagram are labeled as follows: 1. Lithium battery module, 2. Frame, 3. Heat dissipation hole, 4. Sliding block, 5. Screw, 6. Hexagonal knob, 7. Rotating plate, 8. First bolt, 9. Connecting cylinder, 10. Movable frame, 11. First nut, 12. Second bolt, 13. Telescopic frame, 14. Second nut, 15. Connecting block, 16. Buffer spring, 17. Damper. Detailed Implementation

[0019] First, it should be noted that in different described embodiments, the same components are given the same reference numerals or the same component names. The disclosure contained throughout this specification can be applied semantically to the same components having the same reference numerals or the same component names. The location descriptions selected in the specification, such as upper, lower, lateral, etc., also refer to the directly described and illustrated figures and are semantically applied to the new location when the location changes.

[0020] Example: A fastening connection structure for a lithium battery module, such as... Figures 1-3 As shown, the system includes a frame 2, sliding blocks 4, screws 5, hexagonal knobs 6, rotating plates 7, side fixing components, and top fixing components. The lithium battery module 1 is placed on the frame 2. Sliding blocks 4 are symmetrically slidably connected to the top of the frame 2. Screws 5 are symmetrically rotatably connected to the frame 2. The screws 5 are threadedly connected to the sliding blocks 4. Hexagonal knobs 6 are connected to the outer ends of the screws 5, allowing the operator to adjust the position of the sliding blocks 4 using tools. Rotating plates 7 are rotatably connected to the top of the sliding blocks 4. The two rotating plates 7 work together to define the left and right sides of the lithium battery module 1. By rotating the hexagonal knobs 6 with tools, the screws 5 can be rotated, and the position of the rotating plates 7 can be precisely adjusted to accommodate lithium battery modules 1 of different lengths. The rotating plates 7 are equipped with side fixing components and top fixing components. Several heat dissipation holes 3 are evenly distributed on the frame 2 to promote air circulation and help the lithium battery module 1 dissipate heat effectively during operation.

[0021] like Figures 1-3 As shown, the side-fixing assembly includes a first bolt 8, a connecting cylinder 9, a movable frame 10, and a first nut 11. The first bolt 8 is welded to both the front and rear sides of the rotating plate 7. The connecting cylinder 9 is slidably connected to the first bolt 8. The movable frame 10 is welded to the connecting cylinder 9. The movable frames 10 on the upper and lower sides are staggered to limit the front and rear sides of the lithium battery module 1 and achieve front-rear positioning. The connecting cylinder 9 and the movable frame 10 can be slidably adjusted to adapt to lithium battery modules 1 of different widths. The outer end of the first bolt 8 is threaded with a first nut 11. Tightening the first nut 11 can lock the movable frame 10 and prevent it from rotating unnecessarily during operation.

[0022] like Figures 1-2As shown, the top fixed component includes a second bolt 12, an extension frame 13 and a second nut 14, the middle of the top of the rotating plate 7 is welded with the second bolt 12, the n-shaped extension frame 13 is clamped between the two second bolts 12, the extension frame 13 is sleeved on the top surface of the lithium battery module 1, the pressure is applied from the top to firmly fix the lithium battery module 1, and the length of the lithium battery module 1 can be adjusted, the height of the extension frame 13 can also be adjusted according to the height, the top end of the second bolt 12 is threadedly connected with the second nut 14, and the second nut 14 locks the extension frame 13.

[0023] The first nut 11 and the second nut 14 are all full-metal self-locking nuts, which rely on their own elastic deformation to increase the friction force and prevent loosening.

[0024] As shown, Figure 4 It also includes a connecting block 15, a buffer spring 16 and a damper 17, the bottom of the frame 2 is slidably connected with the connecting block 15 at four corners, the connecting block 15 and the inside of the frame 2 are connected with two buffer springs 16, and the damper 17 is installed at the position close to the connecting block 15 in the frame 2 through a screw, the extension end of the damper 17 is connected with the connecting block 15, when the frame 2 is supported on an element or other component, the connecting block 15 and the buffer spring 16 buffer the lithium battery module 1 on the frame 2, and the damper 17 increases the moving resistance of the connecting block 15, effectively offsets the influence of external vibration, and protects the lithium battery module 1 from damage.

[0025] The lithium battery module 1 is clamped and fixed from the top, front and back and left and right through the rotating plate 7, the movable frame 10 and the extension frame 13, if it is needed to remove the lithium battery module 1 on the frame 2, the second nut 14 is removed first, the extension frame 13 is removed from the second bolt 12, then the rotating plate 7 is rotated outward, the rotating plate 7 is adjusted to a horizontal state, the lithium battery module 1 is no longer limited on both sides of the rotating plate 7, the first nut 11 is loosened to ensure that the movable frame 10 can rotate freely, the movable frame 10 is rotated to a horizontal state and is attached to the frame 2 to reduce the occupied space, after the operation is completed, the lithium battery module 1 can be easily taken out of the frame 2, and it is also convenient to install a new lithium battery module 1. After the operation is completed, when the new lithium battery module 1 is fixed, the rotating plate 7 is turned up to a vertical state, the position of the sliding block 4 is adjusted, the rotating plate 7 is tightly attached to the left and right sides of the lithium battery module 1, then the angle and position of the movable frame 10 are adjusted, the front and back of the lithium battery module 1 are fixed, finally, the extension frame 13 is installed and adjusted to ensure that it can stably press the lithium battery module 1 from the top, and all the fixing is completed.

[0026] Those skilled in the art should understand that the above embodiments do not limit the utility model in any form, and any technical solution obtained by equivalent replacement or equivalent transformation falls within the protection scope of the utility model.

Claims

1. A fastening connection structure for a lithium battery module, characterized in that, The assembly includes a frame (2), a sliding block (4), a screw (5), a hexagonal knob (6), a rotating plate (7), a side fixing component, and a top fixing component. The lithium battery module (1) is placed on the frame (2). The top of the frame (2) is symmetrically connected to the sliding block (4). The frame (2) is symmetrically connected to the screw (5) in a rotating manner. The screw (5) is threadedly connected to the sliding block (4). The outer end of the screw (5) is connected to the hexagonal knob (6). The top of the sliding block (4) is rotatably connected to the rotating plate (7). The two rotating plates (7) work together to limit the left and right sides of the lithium battery module (1). The rotating plate (7) is provided with a side fixing component and a top fixing component.

2. The lithium battery module fastening connection structure according to claim 1, characterized in that, Several heat dissipation holes (3) are evenly distributed on the frame (2).

3. A lithium battery module fastening connection structure according to claim 2, characterized in that, The side fixing assembly includes a first bolt (8), a connecting cylinder (9), a movable frame (10), and a first nut (11). The first bolt (8) is connected to both the front and rear sides of the rotating plate (7). The connecting cylinder (9) is slidably connected to the first bolt (8). The movable frame (10) is connected to the connecting cylinder (9). The movable frames (10) on the upper and lower sides are staggered to limit the front and rear sides of the lithium battery module (1). The first nut (11) is threaded to the outer end of the first bolt (8) to lock the movable frame (10).

4. A lithium battery module fastening connection structure according to claim 3, characterized in that, The top fixing assembly includes a second bolt (12), a telescopic frame (13), and a second nut (14). The top center of the rotating plate (7) is connected to the second bolt (12), and an n-shaped telescopic frame (13) is snapped between the second bolts (12) on both sides. The telescopic frame (13) is fitted on the top surface of the lithium battery module (1). The top of the second bolt (12) is threaded with a second nut (14), and the second nut (14) locks the telescopic frame (13).

5. A lithium battery module fastening connection structure according to claim 4, characterized in that, It also includes a connecting block (15), a buffer spring (16) and a damper (17). The four corners of the bottom of the frame (2) are slidably connected to the connecting block (15). Two buffer springs (16) are connected between the connecting block (15) and the inside of the frame (2). The damper (17) is installed in the frame (2) near the connecting block (15). The telescopic end of the damper (17) is connected to the connecting block (15).

6. A lithium battery module fastening connection structure according to claim 5, characterized in that, Both the first nut (11) and the second nut (14) are all-metal self-locking nuts.