High sealing performance electric motorcycle battery pack structure
By combining a sealing cover and a limiting support structure with the use of sealant, the problem of insufficient sealing performance of electric motorcycle battery packs is solved, achieving high sealing performance and stability, reducing production costs, and facilitating disassembly and assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU KAIYISI INTELLIGENT DRIVING TECH CO LTD
- Filing Date
- 2025-08-18
- Publication Date
- 2026-07-03
Smart Images

Figure CN224458413U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of electric motorcycle battery pack technology, specifically relating to a highly sealed electric motorcycle battery pack structure. Background Technology
[0002] The battery pack is the power source for electric motorcycles. When electric motorcycles are used in water or rainy environments, the sealing requirements for the battery pack are high. Therefore, the sealing of the battery pack is crucial in humid and rainy environments.
[0003] The sealing of existing electric motorcycle battery packs mainly relies on two methods: sealing rings on the outer casing or internal potting compound.
[0004] 1. Sealing ring: The battery pack cover has a groove, and a sealing ring is designed to fit the shape. It is then tightened with screws around it to prevent water from getting in. The sealing ring is prone to permanent deformation due to long-term compression, which can lead to sealing ring failure and affect sealing performance. In addition, the design of the sealing ring requires mold making according to the shape of the shell, which is costly.
[0005] 2. Potting compound: Potting compound is poured into the battery pack to seal the battery modules and protection board for waterproofing. The potting compound needs to completely cover the battery modules to achieve a sealing effect, which makes it inconvenient to disassemble and replace, and also increases the weight of the battery pack.
[0006] Therefore, we propose a highly sealed electric motorcycle battery pack structure. Utility Model Content
[0007] The purpose of this invention is to provide a highly sealed electric motorcycle battery pack structure to solve the problems mentioned in the background art.
[0008] To achieve the above objectives, this utility model provides the following technical solution: a highly sealed electric motorcycle battery pack structure, comprising:
[0009] Electric motorcycle battery pack casing;
[0010] A battery module, wherein the battery module is disposed within the battery pack housing of the electric motorcycle;
[0011] A sealing cover is disposed on the battery module and located inside the battery pack housing of the electric motorcycle;
[0012] A sealant is used to fill the gap between the sealing cover and the battery pack housing of the electric motorcycle.
[0013] Preferably, a limiting support seat is provided at the bottom of the battery module, and a limiting support column is provided on the outer side of the middle part of the battery module. The battery module is limited and fixed in the electric motorcycle battery pack housing by the limiting support seat and the limiting support column.
[0014] Preferably, the sealing cover is mounted on the battery module by locking bolts and sealing gaskets.
[0015] Preferably, the electric motorcycle battery pack housing is provided with an arc-shaped connecting block that connects to the electric motorcycle battery pack cover, and the sealing cover is fixed inside the electric motorcycle battery pack housing by the electric motorcycle battery pack cover.
[0016] Preferably, the sealing cover has an arc-shaped connecting groove that matches the arc-shaped connecting block.
[0017] Preferably, the upper part of the battery module is fixed inside the electric motorcycle battery pack housing by the sealing cover.
[0018] Preferably, the sealing cover and the upper surface of the electric motorcycle battery pack housing are flush.
[0019] Compared with the prior art, the beneficial effects of this utility model are:
[0020] 1. This utility model uses a sealing cover to limit the assembly of the battery module, and fills the gap between the sealing cover and the electric motorcycle battery pack shell with sealant to achieve a sealed connection between the sealing cover and the electric motorcycle battery pack shell, thereby improving the sealing performance of the electric motorcycle battery pack. It replaces the existing sealing ring and potting compound sealing treatment, achieves good sealing and waterproof performance, ensures the normal use of the electric motorcycle battery pack in water-related, humid, and rainy environments, and reduces production costs, making it easy to disassemble, assemble, and use.
[0021] 2. This utility model uses a limiting support seat, a limiting support column, and a sealing cover to limit and fix the battery module inside the electric motorcycle battery pack housing. The upper end of the sealing cover is limited and fixed by the electric motorcycle battery pack cover, which effectively supports and limits the battery module inside the electric motorcycle battery pack housing, ensuring the installation stability and reliability of the battery module. Attached Figure Description
[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0023] Figure 2 This is an exploded three-dimensional structural diagram of the battery module and sealing cover of this utility model.
[0024] In the diagram: 1. Electric motorcycle battery pack housing; 2. Battery module; 3. Sealing cover; 4. Sealant; 5. Limiting support seat; 6. Limiting support column; 7. Locking bolt; 8. Arc-shaped connecting block; 9. Arc-shaped connecting groove. Detailed Implementation
[0025] 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.
[0026] Please see Figures 1-2 The high-sealing electric motorcycle battery pack structure provided by this utility model includes:
[0027] Electric motorcycle battery pack casing 1;
[0028] Battery module 2 is installed inside the electric motorcycle battery pack housing 1. A limiting support seat 5 is provided at the bottom of the battery module 2, and a limiting support column 6 is provided on the outer side of the middle part of the battery module 2. The battery module 2 is limited and fixed inside the electric motorcycle battery pack housing 1 by the limiting support seat 5 and the limiting support column 6. The upper part of the battery module 2 is limited and fixed inside the electric motorcycle battery pack housing 1 by the sealing cover 3. The sealing cover 3 is limited and fixed inside the electric motorcycle battery pack housing 1 by the electric motorcycle battery pack cover.
[0029] This utility model uses a limiting support seat 5, a limiting support column 6 and a sealing cover 3 to limit and fix the battery module 2 inside the electric motorcycle battery pack housing 1, and uses the electric motorcycle battery pack cover to limit and fix the upper end of the sealing cover 3, so as to effectively support and limit and fix the battery module 2 inside the electric motorcycle battery pack housing 1, ensuring the installation stability and use reliability of the battery module 2.
[0030] A sealing cover 3 is installed on the battery module 2. The sealing cover 3 is installed on the battery module 2 by locking bolts 7 and sealing washers, which improves the connection and sealing performance between the sealing cover 3 and the battery module 2, and is located inside the electric motorcycle battery pack housing 1.
[0031] An arc-shaped connecting block 8 is provided on the electric motorcycle battery pack housing 1 to connect with the electric motorcycle battery pack cover. An arc-shaped connecting groove 9 adapted to the arc-shaped connecting block 8 is provided on the sealing cover 3. The upper end surfaces of the sealing cover 3 and the electric motorcycle battery pack housing 1 are flush, which facilitates the connection and sealing treatment of the sealing cover 3 and the electric motorcycle battery pack housing 1.
[0032] Sealant 4 is used to fill the gap between the sealing cover 3 and the electric motorcycle battery pack housing 1.
[0033] This utility model uses a sealing cover 3 to limit the assembly of the battery module 2, and fills the gap between the sealing cover 3 and the electric motorcycle battery pack shell 1 with sealant 4 to achieve a sealed connection between the sealing cover 3 and the electric motorcycle battery pack shell 1, thereby improving the sealing performance of the electric motorcycle battery pack. It replaces the existing sealing ring and potting compound sealing treatment, achieves good sealing and waterproof performance, ensures the normal use of the electric motorcycle battery pack in wet and rainy environments, reduces production costs, and facilitates disassembly, assembly and use.
[0034] 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 high-sealing electric motorcycle battery pack structure, characterized in that, include: Electric motorcycle battery pack housing (1); Battery module (2), wherein the battery module (2) is disposed inside the battery pack housing (1) of the electric motorcycle; A sealing cover (3) is disposed on the battery module (2) and located inside the electric motorcycle battery pack housing (1); Sealant (4) is used to fill the gap between the sealing cover (3) and the electric motorcycle battery pack housing (1).
2. The high-sealing electric scooter battery pack structure according to claim 1, characterized in that: The bottom of the battery module (2) is provided with a limiting support seat (5), and the outer side of the middle part of the battery module (2) is provided with a limiting support column (6). The battery module (2) is limited and fixed inside the electric motorcycle battery pack housing (1) by the limiting support seat (5) and the limiting support column (6).
3. The high-sealing electric scooter battery pack structure according to claim 1, characterized in that: The sealing cover (3) is mounted on the battery module (2) by means of locking bolts (7) and sealing gaskets.
4. The high-sealing electric scooter battery pack structure according to claim 1, characterized in that: The electric motorcycle battery pack housing (1) is provided with an arc-shaped connecting block (8) that is connected to the electric motorcycle battery pack cover. The sealing cover (3) is fixed inside the electric motorcycle battery pack housing (1) by the electric motorcycle battery pack cover.
5. The high-sealing electric scooter battery pack structure according to claim 4, characterized in that: The sealing cover (3) has an arc-shaped connecting groove (9) that is compatible with the arc-shaped connecting block (8).
6. The high-sealing electric scooter battery pack structure according to claim 1, characterized in that: The upper part of the battery module (2) is fixed inside the electric motorcycle battery pack housing (1) by the sealing cover (3).
7. The high-sealing electric scooter battery pack structure according to claim 6, characterized in that: The sealing cover (3) and the upper surface of the electric motorcycle battery pack housing (1) are flush.