Gap-adjustable liquid-cooled lithium battery module frame structure

By designing an adjustable liquid-cooled lithium battery module frame structure, the problem that the installation components in the existing technology cannot be adapted to lithium battery packs of different sizes has been solved, realizing flexible gap adjustment and installation adaptability, and improving installation efficiency and safety.

CN224288403UActive Publication Date: 2026-05-26CHINA JILIANG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA JILIANG UNIV
Filing Date
2025-04-11
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The mounting components used in liquid cooling systems for lithium battery packs on the market cannot flexibly adjust the mounting gap, making it difficult to adapt to lithium battery packs of different sizes and models, which increases the difficulty of installation and has potential impacts on performance and safety.

Method used

A liquid-cooled lithium battery module frame structure including a fixing mechanism and an adjusting mechanism was designed. The installation gap is adjusted by the horizontal and vertical adjustment devices, and the gap can be flexibly adjusted by the threaded rod and adjusting nut to adapt to the installation requirements of lithium battery packs of different sizes and models.

Benefits of technology

It improves the flexibility and adaptability of lithium battery pack installation, simplifies the installation process, ensures adaptability to different environments, and enhances installation efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an adjustable gap liquid-cooled lithium battery module frame structure, including a fixing mechanism and an adjusting mechanism. The fixing mechanism includes a mounting frame, with a liquid distribution plate for uniform liquid distribution connected to the top of the mounting frame by double-ended studs. A liquid cooling tank cover inflow assembly is connected to the double-ended studs above the liquid distribution plate. Several battery mounting base frames are longitudinally arranged inside the mounting frame, and a row of convex blocks is fixedly installed at the bottom of each battery mounting base frame. Fixing nuts are threaded to the left and right ends of the convex blocks and the mounting frame. The adjusting mechanism includes a transverse gap adjusting plate located on the top left side of the battery mounting base frame, and longitudinal gap adjusting plates located at both ends of the battery mounting base frame. This adjustable gap liquid-cooled lithium battery module structure allows for adjustment of the longitudinal and transverse gaps of the module, improving the flexibility and adaptability of lithium battery pack installation and facilitating the installation needs of lithium battery modules of different sizes and models in different environments.
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Description

Technical Field

[0001] This utility model relates to the field of lithium battery technology, specifically to a liquid-cooled lithium battery module frame structure with adjustable gap. Background Technology

[0002] A lithium battery module frame is a component used to fix and protect lithium battery packs. Its main function is to provide a stable installation environment for lithium battery packs in liquid cooling systems, preventing them from shifting or colliding during operation, thereby ensuring the safety and stability of the battery pack. At the same time, the baffle can also effectively prevent external substances from interfering with the battery pack, ensuring the normal operation of the battery pack.

[0003] Some battery mounting components used in liquid-cooled lithium battery pack systems on the market cannot flexibly adjust the mounting gap during use, making it difficult to adapt to the installation of lithium battery packs of different sizes and models. Traditional components usually have fixed mounting structures and dimensions, and once manufactured, their mounting gaps cannot be adjusted according to actual needs. When using lithium battery packs of different sizes, cumbersome modifications or the search for suitable accessories are often required. This not only increases installation difficulty and time costs but may also potentially affect the performance and safety of the lithium battery pack. Therefore, a frame structure for the installation of liquid-cooled lithium battery modules is proposed to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a liquid-cooled lithium battery module frame structure with adjustable gaps. This structure offers advantages such as easy adjustment of the installation gap, solving the problem that some lithium battery pack mounting components on the market cannot flexibly adjust the installation gap during use, making it difficult to adapt to different sizes and models of lithium battery packs. Furthermore, this invention provides a novel liquid-cooling structure that uses a liquid distribution plate to ensure temperature uniformity during battery pack heat dissipation.

[0005] To achieve the above-mentioned purpose of facilitating the adjustment of installation gaps, this utility model provides the following technical solution:

[0006] This utility model includes a fixing mechanism and an adjusting mechanism, wherein the adjusting mechanism is disposed on the fixing mechanism;

[0007] Fixing mechanism for mounting and supporting lithium battery packs;

[0008] An adjustment mechanism is provided for adjusting the installation gap of the lithium battery pack; the fixing mechanism includes an installation frame and a battery installation base frame, the battery installation base frame being disposed within the installation frame; the adjustment mechanism includes a lateral adjustment device and a longitudinal adjustment device, the lateral adjustment device being used to adjust the lateral gap of the lithium battery pack, and the longitudinal adjustment device being used to adjust the longitudinal gap of the lithium battery pack.

[0009] Compared with the prior art, this utility model provides a liquid-cooled lithium battery module frame structure with adjustable gap, which has the following advantages: The adjustable gap baffle for lithium battery pack installation can drive the threaded rod to rotate under the cooperation of the rotating shaft by rotating the adjusting nut, thereby pushing the lateral gap adjusting plate to move left and right on the top of the battery mounting base frame to adjust the lateral gap. At the same time, by sliding the positioning plate in the longitudinal adjusting groove and fixing it with the positioning nut and the fixing hole, the longitudinal gap adjusting plate can be driven to move at both ends of the battery mounting base frame to adjust the longitudinal gap. This improves the flexibility and adaptability of lithium battery pack installation and facilitates the installation needs of lithium battery packs of different sizes and models in different environments. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model;

[0011] Figure 2 This is a side view of the structure of this utility model.

[0012] Figure 3 This is a schematic cross-sectional view of the present invention;

[0013] In the diagram: 1. Mounting frame; 2. Battery mounting base frame; 3. Convex block; 4. Fixing nut; 5. Lateral gap adjustment plate; 6. Longitudinal gap adjustment plate; 7. Rotating shaft; 8. Threaded rod; 9. Adjusting nut; 10. Longitudinal adjustment groove; 11. Fixing hole; 12. Positioning plate; 13. Positioning nut; 14. Liquid distribution plate; 15. Double-ended stud; 16. Double-ended stud fixing nut; 17. Spring washer; 18. Liquid cooling tank top cover inflow assembly. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0017] This embodiment provides a liquid-cooled lithium battery module frame structure with adjustable gap, including a fixing mechanism and an adjusting mechanism, wherein the adjusting mechanism is disposed on the fixing mechanism.

[0018] like Figure 1 and Figure 3 As shown, in this embodiment, the fixing mechanism includes a mounting frame 1. Several battery mounting base frames 2 are arranged longitudinally inside the mounting frame 1. A row of convex blocks 3 are fixedly installed at the bottom of each battery mounting base frame 2. The left and right ends of the convex blocks 3 are threadedly connected to the mounting frame 1 with fixing nuts 4. A liquid distribution plate 14 is arranged above the mounting frame 1. The left and right ends of the liquid distribution plate 14 are connected to the mounting frame 1 by double-ended studs 15 and fixing nuts 16. The liquid distribution plate 14 is connected to the liquid cooling tank cover inflow assembly 18 by double-ended studs 15 and double-ended stud fixing nuts 16 to ensure the uniform distribution and flow of coolant.

[0019] It should be noted that the mounting frame 1 is the main structure of the entire adjustable gap baffle, providing a foundation for the installation and support of other components. It has several battery mounting base frames 2 arranged longitudinally inside for placing and fixing lithium battery packs. The convex block 3 ensures the stability and firmness of the battery mounting base frame 2 within the mounting frame 1. The spring washer 17 ensures the firmness between the mounting frame 1, the liquid distribution plate 14 and the liquid cooling tank cover inflow assembly 18. The liquid distribution plate 14 ensures that the flowing coolant can be evenly spread and poured into the liquid cooling tank.

[0020] In this embodiment, the adjustment mechanism includes a horizontal gap adjustment plate 5 disposed on the top right side of the battery mounting base frame 2, and a vertical gap adjustment plate 6 disposed on both the left and right ends of the battery mounting base frame 2.

[0021] It should be noted that the lateral gap adjustment plate 5 can adjust the lateral installation gap of the lithium battery pack by moving it, and the longitudinal gap adjustment plate 6 can adjust the longitudinal installation gap of the lithium battery pack by moving it.

[0022] In this embodiment, a rotating shaft 7 is fixedly installed on one end of the transverse gap adjustment plate 5 near the inner wall of the mounting frame 1, and a threaded rod 8 is rotatably connected between the rotating shaft 7 and the inner wall of the mounting frame 1.

[0023] It should be noted that the rotating shaft 7 is used to rotate and connect with the threaded rod 8, so that the rotation of the threaded rod 8 can drive the movement of the transverse clearance adjusting plate 5. The threaded rod 8 is rotated and connected to the rotating shaft 7 and passes through the inner wall of the mounting frame 1. The rotation of the threaded rod 8 can be driven by rotating the adjusting nut 9.

[0024] In this embodiment, the threaded rods 8 all penetrate the inner wall of the mounting frame 1, and an adjusting nut 9 is fixedly installed in the middle of the portion of the threaded rod 8 located on the left outer wall of the mounting frame 1.

[0025] It should be noted that the adjusting nut 9 is used to drive the rotation of the threaded rod 8, thereby driving the movement of the transverse clearance adjusting plate 5 to achieve the adjustment of the transverse clearance.

[0026] like Figure 1 and Figure 2 As shown, in this embodiment, the threaded rod 8 is provided with longitudinal adjustment grooves 10 at both the left and right ends. The longitudinal adjustment grooves 10 are opened on the outer wall of the mounting frame 1, and the longitudinal adjustment grooves 10 are provided with fixing holes 11 at both the upper and lower ends.

[0027] It should be noted that the longitudinal adjustment groove 10 is used to accommodate the sliding of the positioning plate 12. Both its upper and lower ends are provided with fixing holes 11 for threaded connection with the positioning nut 13, thereby fixing the position of the positioning plate 12. The fixing holes 11 are used for threaded connection with the positioning nut 13, thereby fixing the position of the positioning plate 12, and thus fixing the position of the longitudinal gap adjustment plate 6.

[0028] In this embodiment, two positioning plates 12 are slidably connected to the outer wall of the longitudinal adjustment groove 10. The upper and lower ends of the two positioning plates 12 are threadedly connected to the fixing holes 11 with positioning nuts 13. The part of the positioning plate 12 located on the inner wall of the mounting frame 1 is fixedly connected to the corresponding longitudinal gap adjustment plate 6.

[0029] It should be noted that the positioning plate 12 is used to drive the longitudinal gap adjustment plate 6 to move. Both its upper and lower ends are threadedly connected to the fixing hole 11 with positioning nuts 13, which are used to fix the position of the positioning plate 12.

[0030] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A liquid-cooled lithium battery module frame structure with adjustable gap, characterized in that, It includes a fixing mechanism and an adjusting mechanism, wherein the adjusting mechanism is mounted on the fixing mechanism; Fixing mechanism for mounting and supporting lithium battery packs; An adjustment mechanism is provided for adjusting the installation gap of the lithium battery pack; the fixing mechanism includes an installation frame and a battery installation base frame, the battery installation base frame being disposed within the installation frame; the adjustment mechanism includes a lateral adjustment device and a longitudinal adjustment device, the lateral adjustment device being used to adjust the lateral gap of the lithium battery pack, and the longitudinal adjustment device being used to adjust the longitudinal gap of the lithium battery pack.

2. The adjustable gap liquid-cooled lithium battery module frame structure according to claim 1, characterized in that, The fixing mechanism also includes a distribution plate (14), which is disposed above the mounting frame (1) for uniformly distributing coolant.

3. The adjustable gap liquid-cooled lithium battery module frame structure according to claim 1 or 2, characterized in that, A row of convex blocks (3) are fixedly installed at the bottom of the battery mounting base frame (2) to ensure the stability and firmness of the battery mounting base frame (2) within the mounting frame (1). The convex blocks (3) are threadedly connected to the mounting frame (1) by fixing nuts (4).

4. The adjustable gap liquid-cooled lithium battery module frame structure according to claim 3, characterized in that, The lateral adjustment device includes a lateral gap adjustment plate (5), and a rotating shaft (7) is fixedly installed at one end of the lateral gap adjustment plate (5) near the inner wall of the mounting frame (1). A threaded rod (8) is rotatably connected between the rotating shaft (7) and the inner wall of the mounting frame (1).

5. The adjustable gap liquid-cooled lithium battery module frame structure according to claim 4, characterized in that, The threaded rod (8) penetrates the inner wall of the mounting frame (1). An adjusting nut (9) is fixedly installed in the middle of the part of the threaded rod (8) on the left outer wall of the mounting frame (1). By rotating the adjusting nut (9), the threaded rod (8) is driven to rotate, thereby adjusting the lateral clearance.

6. The adjustable gap liquid-cooled lithium battery module frame structure according to claim 3, characterized in that, The longitudinal adjustment device includes a longitudinal gap adjustment plate (6), which is slidably connected to the longitudinal adjustment groove (10) on the outer wall of the mounting frame (1) via a positioning plate (12).

7. The adjustable gap liquid-cooled lithium battery module frame structure according to claim 6, characterized in that, The longitudinal adjustment groove (10) has fixing holes (11) at both the upper and lower ends. The positioning plate (12) is threadedly connected to the fixing holes (11) at both the upper and lower ends by positioning nuts (13) to fix the position of the longitudinal gap adjustment plate (6).

8. The adjustable gap liquid-cooled lithium battery module frame structure according to claim 1, characterized in that, A spring washer (17) is provided between the mounting frame (1) and the battery mounting base frame (2) to enhance the strength of the connection.

9. The adjustable gap liquid-cooled lithium battery module frame structure according to claim 2, characterized in that, It also includes a liquid coolant tank cover inflow assembly (18), which is connected to the liquid distribution plate (14) by a double-ended stud (15) and a double-ended stud fixing nut (16) to ensure the uniform distribution and flow of coolant.