Plug-in battery pack with waterproof structure

By setting up a waterproof structure of external glue intestine and waterproof silicone on the battery pack, the problem of water entering after the battery pack is pulled out of the wire is solved, and the waterproof and heat dissipation effect of the battery pack is achieved.

CN223124033UActive Publication Date: 2025-07-18DONGGUAN CHAO BA BATTERIES CO LTD
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Patent Information

Application Number
CN202420962996.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-07-18
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

After the existing battery pack is led out of the wire, there is a gap between the wire and the battery pack, and water can easily enter the inside of the battery pack along the wire, causing battery damage.

Method used

It adopts a waterproof structure, including external glue and waterproof silicone. The external glue wraps the outside of the battery pack and forms a seal with the bottom shell and outer shell. The waterproof silicone fills the round hole between the inner shell and the outer shell, and combines the waterproof sleeve and protective sleeve of the plug line to prevent water from entering the inside of the battery from the outer edge and gap.

Benefits of technology

It realizes effective waterproofing of the battery pack, prevents water from entering the inside, ensures the waterproof effect of the battery, and dissipates heat through the heat sink to protect the plug and plug cable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plug-in battery pack with a waterproof structure, which relates to the technical field of battery manufacturing, solves the problems that the existing battery pack is not waterproof and the like, and comprises a battery pack, batteries in the battery pack are fixed by utilizing reinforcing glue, electrode plates are arranged among the batteries of the battery pack, an insulating sleeve is sleeved outside the battery pack, and the insulating sleeve is sleeved outside the battery pack. A bottom shell is arranged at the bottom end of the battery pack, an inner shell is arranged at the top end of the battery pack, a protective sleeve is arranged outside the upper end of the battery pack in a sleeving mode, an outer shell is arranged on the protective sleeve, a plug cord is connected to the top end of the battery pack, and round holes allowing the plug cord to penetrate out are formed in the inner shell and the outer shell. And a plug is arranged at the end of the plug cord. The waterproof silica gel is filled between the inner shell and the outer shell and in the circular hole of the inner shell, so that water is prevented from entering the battery from a gap along a plug cord, and is prevented from entering the battery from the outer edge through sealing between the outer rubber intestine and the bottom shell as well as the outer shell, and the waterproof effect is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery manufacturing, in particular to a plug-in battery pack with a waterproof structure. Background Art

[0002] A battery pack is composed of several batteries connected in series and parallel. In daily life, battery packs are widely used to provide a reliable power source for various devices and applications.

[0003] After the existing battery packs are connected in series or parallel, wires need to be led out and connected to plugs so that the assembled batteries can be powered on. However, after the wires are led out in the existing battery packs, there are gaps between the wires and the battery packs, and water easily enters the interior of the battery packs along the wires, resulting in battery damage.

[0004] Therefore, there is an urgent need to provide a plug-in battery pack with a waterproof structure. Summary of the Utility Model

[0005] In order to overcome the drawback that after the wires are led out in the existing battery packs, there are gaps between the wires and the battery packs, and water easily enters the interior of the battery packs, resulting in battery damage, the utility model provides a plug-in battery pack with a waterproof structure.

[0006] To achieve the above problems, the utility model adopts the following technical solutions: A plug-in battery pack with a waterproof structure includes a battery pack. The batteries in the battery pack are fixed by reinforcing glue. Electrode plates are arranged between the batteries in the battery pack. An insulating sleeve is sleeved outside the battery pack. A bottom shell is arranged at the bottom end of the battery pack. An inner shell is arranged at the top end of the battery pack. A protective sleeve is sleeved outside the upper end of the battery pack. An outer shell is arranged on the protective sleeve. A plug wire is connected to the top end of the battery pack. Round holes for the plug wire to pass through are provided on both the inner shell and the outer shell. A plug is arranged at the end of the plug wire. Waterproof structures are arranged both outside and inside the battery pack.

[0007] As a preferred technical solution of the utility model, the waterproof structure includes an outer rubber tube and waterproof silica gel. The outer rubber tube wraps outside the battery pack. The outer rubber tube can shrink to form a seal with the bottom shell and the outer shell. The waterproof silica gel is arranged between the inner shell and the outer shell and fills the round holes on the inner shell for waterproofing.

[0008] As a preferred technical solution of the utility model, heat dissipation fins are arranged outside the outer rubber tube.

[0009] As a preferred technical solution of the utility model, the heat dissipation fins are arranged around the outside of the outer rubber tube.

[0010] As a preferred technical solution of the utility model, a protective sleeve is sleeved outside the plug.

[0011] As a preferred technical solution of the present utility model, a wire end waterproof sleeve is sleeved at the connection between the plug wire and the plug.

[0012] Compared with the prior art, the present utility model has the following technical effects: 1. By filling waterproof silicone between the inner shell and the outer shell and in the round hole of the inner shell, water is prevented from entering the battery interior along the plug wire through the gap, and then through the sealing between the outer rubber intestine and the bottom shell and the outer shell, water is prevented from entering from the outer edge, ensuring the waterproof effect.

[0013] 2. Through the provision of the heat sink, the surface heat can be quickly exported when the battery pack is operating, realizing heat dissipation. Description of the Drawings

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

[0015] Figure 2 It is a three-dimensional sectional structure schematic diagram of the battery pack, outer rubber intestine and plug wire of the present utility model.

[0016] Figure 3 It is a three-dimensional exploded structure schematic diagram of the protective sleeve, inner shell and waterproof silicone of the present utility model.

[0017] Figure 4 It is a three-dimensional structure schematic diagram of the outer rubber intestine, outer shell and heat sink of the present utility model.

[0018] Figure 5 It is a three-dimensional sectional structure schematic diagram of the plug, protective sleeve and wire end waterproof sleeve of the present utility model.

[0019] Names of the reference numerals in the drawings: 1 - outer rubber intestine, 2 - battery pack, 3 - electrode plate, 4 - reinforcing glue, 5 - insulating sleeve, 6 - protective sleeve, 7 - bottom shell, 8 - inner shell, 9 - outer shell, 10 - plug wire, 11 - plug, 12 - waterproof silicone, 13 - heat sink, 14 - protective sleeve, 15 - wire end waterproof sleeve. Detailed Embodiments

[0020] The following further describes the technical solution with specific embodiments. It should be noted that: The words indicating directions such as up, down, left, and right mentioned in this article are only for the positions of the shown structures in the corresponding drawings. The serial numbers assigned to the components in this article, for example: first, second, etc., are only used to distinguish the described objects and do not have any sequential or technical meanings. And the connections and couplings mentioned in this application, unless otherwise specified, all include direct and indirect connections (couplings).

[0021] Embodiment 1

[0022] Please refer to Figure 1 and Figure 2, A plug-in battery pack with a waterproof structure, including a battery pack 2. The batteries in the battery pack 2 are fixed using reinforcing glue 4. Electrode plates 3 are arranged between the batteries in the battery pack 2. An insulating sleeve 5 is sleeved outside the battery pack 2. A bottom shell 7 is arranged at the bottom end of the battery pack 2. An inner shell 8 is arranged at the top end of the battery pack 2. A protective sleeve 6 is sleeved outside the upper end of the battery pack 2. An outer shell 9 is arranged on the protective sleeve 6. A plug wire 10 is connected to the top end of the battery pack 2. Circular holes for the plug wire 10 to pass through are provided on both the inner shell 8 and the outer shell 9. A plug 11 is arranged at the end of the plug wire 10. Waterproof structures are provided both outside and inside the battery pack 2.

[0023] Please refer to Figure 2 and Figure 3 , The waterproof structure includes an outer rubber tube 1 and waterproof silicone 12. The outer rubber tube 1 wraps around the outer surface of the battery pack 2. The outer rubber tube 1 can shrink to form a seal with the bottom shell 7 and the outer shell 9, preventing water from entering from the outer edge of the battery, thus achieving waterproofing of the outside of the battery pack 2. The waterproof silicone 12 is arranged between the inner shell 8 and the outer shell 9 and fills the circular holes on the inner shell 8 for waterproofing, preventing water from entering the battery interior along the plug wire through the gap, thus achieving waterproofing of the inside of the battery pack 2 and solving the problem of water ingress into the battery pack 2.

[0024] Embodiment 2

[0025] Based on Embodiment 1, please refer to Figure 4 and Figure 5 , Heat dissipation fins 13 are arranged on the outer surface of the outer rubber tube 1. The heat dissipation fins 13 are arranged around the outer surface of the outer rubber tube 1 to increase the heat dissipation area. When the battery pack 2 is operating, the heat dissipation fins 13 can quickly conduct the heat on the surface of the battery pack 2 to achieve heat dissipation. A protective sleeve 14 is sleeved outside the plug 11. The protective sleeve 14 is used to protect the plug 11 and reduce the surface wear of the plug 11. A wire-end waterproof sleeve 15 is sleeved at the connection between the plug wire 10 and the plug 11. The wire-end waterproof sleeve 15 is used to protect the end of the plug wire 10 and prevent accidental wear and breakage of the plug wire 10.

[0026] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and it should not be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. An inserted battery pack with a waterproof structure, comprising a battery pack (2), wherein the batteries in the battery pack (2) are fixed by a reinforcing adhesive (4), electrode plates (3) are arranged between the batteries in the battery pack (2), an insulating sleeve (5) is sleeved outside the battery pack (2), a bottom shell (7) is arranged at the bottom end of the battery pack (2), an inner shell (8) is arranged at the top end of the battery pack (2), a protective sleeve (6) is sleeved outside the upper end of the battery pack (2), a housing (9) is arranged on the protective sleeve (6), a plug wire (10) is connected to the top end of the battery pack (2), round holes for the plug wire (10) to pass through are arranged on both the inner shell (8) and the housing (9), and a plug (11) is arranged at the end of the plug wire (10), characterized in that, The battery pack (2) is provided with waterproof structures both outside and inside.

2. The plug-in battery pack with a waterproof structure according to claim 1, characterized in that, The waterproof structures include an outer rubber tube (1) and waterproof silica gel (12). The outer rubber tube (1) wraps around the outside of the battery pack (2), and the outer rubber tube (1) can contract to form a seal with the bottom shell (7) and the outer shell (9). The waterproof silica gel (12) is arranged between the inner shell (8) and the outer shell (9) and fills the round holes on the inner shell (8) for waterproofing.

3. The plug-in battery pack with a waterproof structure according to claim 2, characterized in that, Heat sinks (13) are arranged on the outside of the outer rubber tube (1).

4. The plug-in battery pack with a waterproof structure according to claim 3, wherein, The heat sinks (13) are arranged around the outside of the outer rubber tube (1).

5. The plug-in battery pack with a waterproof structure according to claim 1, wherein, A protective sleeve (14) is sleeved on the outside of the plug (11).

6. The plug-in battery pack with a waterproof structure according to claim 1, characterized in that, A wire end waterproof sleeve (15) is sleeved at the connection between the plug wire (10) and the plug (11).