High-capacity battery pack shell

By setting up multiple mounting holes in the mounting frame of the battery pack housing and connecting them with bolts using buckle plates, the problem of low capacity of the existing battery pack is solved, and capacity improvement and component reliability are achieved.

CN222838944UActive Publication Date: 2025-05-06JINQU NEW ENERGY (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202421135389.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-05-06
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing battery pack has a small number of movable slots, which leads to low battery capacity and inconvenience.

Method used

A large-capacity battery pack housing is designed to increase battery capacity by providing multiple mounting holes in the mounting frame and improve the reliability of the assembly through buckle plates and bolted connections.

Benefits of technology

The capacity improvement of the battery pack is achieved, the selection range of capacity is increased, and the connection reliability of the components is improved, avoiding the case of splitting the housing and cover plate due to excessive weight.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a high-capacity battery pack shell which comprises an upper supporting assembly, a lower supporting assembly, a clamping assembly and a fixing assembly, a plurality of mounting holes are formed in a mounting frame, so that the battery capacity of a battery pack is increased, and meanwhile, the number of required batteries can be selected according to actual requirements; the most appropriate battery capacity is obtained under the minimum cost, the cost is saved, the selection range of the capacity of the battery pack is increased, the cover plate and the shell are connected through the clamping plate, secondary fixing is carried out through bolt connection, the situation that the shell and the cover plate are split due to the fact that the battery pack is too heavy is avoided, and the service life of the battery pack is prolonged. Therefore, the connection between the cover plate and the shell assembly is more reliable.
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Description

Technical Field

[0001] The utility model relates to the technical field of energy storage batteries, in particular to a large-capacity battery pack casing. Background Art

[0002] Patent document CN220272672U discloses an integrated lithium battery pack, including a shell, a groove is provided inside the shell, and a partition is fixedly connected to the inner wall of the groove, and a bellows is installed below the partition, and also includes: a primary fastening mechanism, which is provided in five groups, a movable groove 1 is provided inside the partition, and a clamp is movably installed inside the movable groove 1, and the clamp fixes the battery body; a secondary fastening mechanism, which is provided in five groups, an upper cover plate is movably connected above the shell, and a movable groove 2 is provided inside the upper cover plate. The utility model places the battery body between a group of two auxiliary rollers 1, and then presses down the battery to push the two clamps to separate and rotate, so as to facilitate the battery body to be clamped between the two clamps, and the battery body is fixed in position while the positive and negative electrodes of the battery are in contact with the positive and negative electrodes embedded in the shell, and there is a gap between the batteries, which is convenient for heat dissipation and subsequent removal of the battery.

[0003] However, the number of active slots in the battery pack is small, resulting in a low battery capacity of the battery pack, causing certain inconveniences. Therefore, it is necessary to optimize the structure of the battery pack to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to provide a large-capacity battery pack housing to solve the problems raised in the above background technology.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A large-capacity battery pack housing, comprising:

[0007] an upper support assembly, wherein an assembly space is provided in the upper support assembly;

[0008] A lower support assembly, the lower support assembly is connected to the upper support assembly, and a receiving space is provided in the lower support assembly;

[0009] A clamping assembly, which is arranged in the upper supporting assembly and is connected and fixed with the lower supporting assembly;

[0010] A fixing assembly is arranged in the lower supporting assembly, the fixing assembly is connected to the upper supporting assembly, an installation space is arranged in the fixing assembly, and the fixing assembly provides the installation space for the battery and fixes it.

[0011] The utility model is further configured that the upper support assembly comprises:

[0012] A cover plate is provided with an installation space, a mounting groove is provided on one side of the cover plate, first connecting columns are provided on both sides of the cover plate, two pairs of the first connecting columns are provided, and first threaded holes are provided in the first connecting columns.

[0013] The utility model is further configured that the lower support assembly includes:

[0014] The shell has a top connected to the bottom of the cover plate, a second connecting column is arranged on the top of the shell, two pairs of the second connecting columns are arranged, a second threaded hole is arranged in the second connecting column, the second threaded hole is matched with the first threaded hole in the first connecting column of the cover plate, and a accommodating cavity is arranged in the shell.

[0015] The utility model is further configured that the engaging assembly comprises:

[0016] The clamping plate is fixedly connected to the mounting groove in the cover plate, and a clamping block protruding toward the outside of the cover plate is arranged at the bottom of the clamping plate. One end of the clamping plate is connected to the shell, and the shell and the cover plate are connected by the clamping plate.

[0017] The utility model is further configured that the fixing assembly includes:

[0018] The mounting frame is arranged in the accommodating cavity in the shell, the top of the mounting frame is connected to the cover plate, a plurality of mounting holes are arranged in the mounting frame, the mounting holes are arranged in the mounting frame at relative intervals, the shape of the mounting holes is adapted to the battery, and the mounting frame provides installation space for the battery and fixes it.

[0019] The utility model is further configured that a clamping groove matched with the clamping block of the clamping plate is provided on one side of the shell, and the cover plate and the shell are clamped together through the clamping block of the clamping plate and the clamping groove in the shell.

[0020] The utility model is further configured that the cover plate and the shell are connected by bolts through a first threaded hole and a second threaded hole in the first connecting column and the second connecting column.

[0021] The advantages of the utility model are:

[0022] 1. The utility model increases the battery capacity of the battery pack by arranging a plurality of mounting holes in the mounting frame. At the same time, the required number of batteries can be selected according to actual needs, and the most suitable battery capacity can be obtained at the lowest cost, thereby saving costs and increasing the selection range of the battery pack capacity.

[0023] 2. The utility model connects the cover plate to the shell by setting a snap plate, and then fixes it again by bolt connection, thereby avoiding the shell and the cover plate from splitting due to the excessive weight of the battery pack, making the connection between the cover plate and the shell assembly more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a front view of the large-capacity battery pack housing proposed by the utility model.

[0025] Figure 2 It is a top view of the large-capacity battery pack shell proposed by the utility model.

[0026] Figure 3 It is a three-dimensional diagram of the large-capacity battery pack housing proposed by the utility model.

[0027] Figure 4 It is a top view of the shell provided by the utility model.

[0028] Figure 5 It is a three-dimensional diagram of the shell body proposed by the utility model.

[0029] Figure 6 It is a schematic diagram of the internal structure of the large-capacity battery pack shell proposed by the utility model.

[0030] Figure 7 It is a three-dimensional diagram of the mounting frame proposed by the utility model.

[0031] Figure 8 It is a three-dimensional diagram of the clamping plate proposed by the utility model.

[0032] Numeral symbols: cover plate 110, first connecting column 111, housing 210, clamping groove 211, second connecting column 212, clamping plate 310, clamping block 311, mounting frame 410, mounting hole 411 DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0034] like Figure 1-8As shown, a large-capacity battery pack shell proposed by the utility model includes an upper supporting assembly, a lower supporting assembly, a clamping assembly and a fixing assembly, the upper supporting assembly is provided with an assembly space, the lower supporting assembly is connected to the upper supporting assembly, the lower supporting assembly is provided with a accommodating space, the clamping assembly is arranged in the upper supporting assembly, and the clamping assembly is connected and fixed to the lower supporting assembly, the fixing assembly is arranged in the lower supporting assembly, the fixing assembly is connected to the upper supporting assembly, the fixing assembly is provided with an installation space, and the fixing assembly provides an installation space for the battery and fixes it.

[0035] In this embodiment, the upper support assembly includes a cover plate 110, in which an installation space is provided, a mounting groove is provided on one side of the cover plate, first connecting columns 111 are provided on both sides of the cover plate, the first connecting columns are provided in two pairs, and a first threaded hole is provided in the first connecting column.

[0036] In this embodiment, the lower support assembly includes a shell 210, the top of which is connected to the bottom of the cover plate, and a second connecting column 212 is provided at the top of the shell. The second connecting column is provided with two pairs, and a second threaded hole is provided in the second connecting column. The second threaded hole is adapted to the first threaded hole in the first connecting column of the cover plate, and a accommodating cavity is provided in the shell.

[0037] In this embodiment, the snap-fit ​​assembly includes a snap-fit ​​plate 310, which is fixedly connected to the mounting groove in the cover plate. A snap-fit ​​block 311 protruding toward the outside of the cover plate is provided at the bottom of the snap-fit ​​plate. One end of the snap-fit ​​plate is connected to the shell, and the shell and the cover plate are connected by the snap-fit ​​plate.

[0038] In this embodiment, the fixing component includes a mounting frame 410, which is arranged in the accommodating cavity in the shell, and the top of the mounting frame is connected to the cover plate. A plurality of mounting holes are arranged in the mounting frame at relative intervals. The shape of the mounting hole 411 is adapted to the battery. The mounting frame provides an installation space for the battery and fixes it. The battery can be directly inserted into the mounting hole in the mounting frame. The mounting frame effectively increases the number of installed batteries by increasing the mounting holes, thereby increasing the capacity of the battery pack and making the battery pack more practical.

[0039] In this embodiment, a snap-in groove 211 adapted to the snap-in block of the snap-in plate is provided on one side of the shell, and the cover plate and the shell are snap-connected through the snap-in block of the snap-in plate and the snap-in groove in the shell. When the cover plate needs to be removed, the snap-in plate only needs to be pressed inward so that the snap-in block on the snap-in plate is disengaged from the snap-in groove in the shell, thereby removing the cover plate.

[0040] In this embodiment, the cover plate and the shell are connected by bolts through the first threaded hole and the second threaded hole in the first connecting column and the second connecting column.

[0041] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", "right" and the like indicating orientation or positional relationship appear, it should be understood that the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A large-capacity battery pack housing, characterized in that: include: an upper support assembly, wherein an assembly space is provided in the upper support assembly; A lower support assembly, the lower support assembly is connected to the upper support assembly, and a receiving space is provided in the lower support assembly; A clamping assembly, which is arranged in the upper supporting assembly and is connected and fixed with the lower supporting assembly; A fixing assembly is arranged in the lower supporting assembly, the fixing assembly is connected to the upper supporting assembly, an installation space is arranged in the fixing assembly, and the fixing assembly provides the installation space for the battery and fixes it.

2. A large-capacity battery pack housing according to claim 1, characterized in that: The upper support assembly includes: A cover plate is provided with an installation space, a mounting groove is provided on one side of the cover plate, first connecting columns are provided on both sides of the cover plate, two pairs of the first connecting columns are provided, and first threaded holes are provided in the first connecting columns.

3. A large-capacity battery pack housing according to claim 2, characterized in that: The lower support assembly includes: The shell has a top connected to the bottom of the cover plate, a second connecting column is arranged on the top of the shell, two pairs of the second connecting columns are arranged, a second threaded hole is arranged in the second connecting column, the second threaded hole is matched with the first threaded hole in the first connecting column of the cover plate, and a accommodating cavity is arranged in the shell.

4. A large-capacity battery pack housing according to claim 3, characterized in that: The snap-on assembly includes: The clamping plate is fixedly connected to the mounting groove in the cover plate, and a clamping block protruding toward the outside of the cover plate is arranged at the bottom of the clamping plate. One end of the clamping plate is connected to the shell, and the shell and the cover plate are connected by the clamping plate.

5. A large-capacity battery pack housing according to claim 3, characterized in that: The fixed components include: The mounting frame is arranged in the accommodating cavity in the shell, the top of the mounting frame is connected to the cover plate, a plurality of mounting holes are arranged in the mounting frame, the mounting holes are arranged in the mounting frame at relative intervals, the shape of the mounting holes is adapted to the battery, and the mounting frame provides installation space for the battery and fixes it.

6. A large-capacity battery pack housing according to claim 4, characterized in that: A clamping groove matched with the clamping block of the clamping plate is arranged on one side of the shell, and the cover plate and the shell are clamped together through the clamping block of the clamping plate and the clamping groove in the shell.

7. A large-capacity battery pack housing according to claim 3, characterized in that: The cover plate and the shell are connected by bolts through the first threaded hole and the second threaded hole in the first connecting column and the second connecting column.

Citation Information

Patent Citations

  • Lithium battery pack of all-in-one machine

    CN220272672U