一种锂电池盖板组件
By adopting a combined design of cover plate, insulating pad, connecting ring and snap-fit component in the lithium battery cover plate assembly, and combining the cooperation of embedding block and embedding groove, the problems of complex cover plate production and misalignment of insulating pad in the prior art are solved, thereby improving structural stability and insulation performance, reducing failure risk and extending battery life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN HUAKE NEW ENERGY TECH CO LTD
- Filing Date
- 2025-08-13
- Publication Date
- 2026-07-17
AI Technical Summary
The existing lithium battery cover plate assembly has a complex manufacturing process, and the lower insulating pad may become misaligned during use, affecting its performance.
The design employs a combination of cover plates, insulating pads, connecting rings, and snap-fit components, which are fixed by rivets and combined with the cooperation of embedded blocks and embedded grooves to ensure that all components are tightly connected and prevent loosening and displacement.
It improves the structural stability of the lithium battery cover assembly, reduces poor contact and open circuit faults, enhances insulation performance and safety, and extends battery life.
Smart Images

Figure CN224519996U_ABST
Abstract
Claims
1. A lithium battery cover plate assembly, characterized by, include: A cover plate (1) has an inlaid mounting groove (6) at its top, and a terminal (7) is fixedly installed in the mounting groove (6). An insulating pad (5) is provided at the bottom of the cover plate (1). A connecting ring (4) is fixedly installed around the insulating pad (5) on the cover plate (1). The cover plate (1), the terminal (7) and the insulating pad (5) are fixed by rivets (2). A first through groove (12) and a second through groove (3) are provided on the cover plate (1) and the insulating pad (5) so that the rivets (2) can pass through. A snap-fit member (9) is fixedly installed at the bottom of the cover plate (1) relative to the insulating pad (5), and the insulating pad (5) has a snap-fit groove (13) for snapping the snap-fit member (9).
2. The lithium battery cover plate assembly of claim 1, wherein, The snap-fit component (9) includes a snap-fit ring (92) fixedly installed at the bottom of the cover plate (1), and multiple snap-fit blocks (91) fixedly connected to the cover plate (1) and the snap-fit ring (92), with the multiple snap-fit blocks (91) spaced apart along the circumference of the snap-fit ring (92).
3. The lithium battery cover plate assembly of claim 2, wherein, The snap ring (92) has an annular structure, and the snap block (91) is a trapezoidal structure with a gradually decreasing cross-sectional area from one end connected to the cover plate (1) to the other end.
4. The lithium battery cover plate assembly of claim 2, wherein, The cover plate (1) is fixedly installed with an embedded block (11) relative to the second through groove (3). The embedded block (11) is provided with a third through groove (14) that communicates with the first through groove (12). The insulating pad (5) is embedded with an embedded groove (8) that allows the embedded block (11) to be embedded.
5. The lithium battery cover plate assembly of claim 4, wherein, The embedding groove (8) is provided with a sealing sleeve (10), which is fitted onto the outer wall of the embedding block (11).
6. The lithium battery cover plate assembly of claim 4, wherein, The embedded block (11) has a polygonal structure and serves as an auxiliary limit.