一种顶盖组件、电池和用电设备
By employing a combination of a first and a second seal at the battery's filling hole, along with a positioning part and an insulating part's limiting design, the problem of poor sealing at the filling hole is solved, achieving higher sealing reliability and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU RED FAIRY PRECISION TECHNOLOGY CO LTD
- Filing Date
- 2025-07-04
- Publication Date
- 2026-07-17
AI Technical Summary
In existing technologies, the sealing effect of the battery's electrolyte filling hole is poor, resulting in an unreliable seal.
The system employs a combination structure of a first sealing element and a second sealing element. The cooperation between the first positioning part and the second positioning part achieves two-point sealing of the injection hole. The concave-convex structure is used for rapid positioning, and the limiting part of the insulating element is combined to improve installation accuracy and stability.
It improves the sealing reliability of the injection hole, avoids the problem of incomplete sealing caused by interference of the sealing components, and enhances the sealing effect of the battery.
Smart Images
Figure CN224520156U_ABST
Abstract
Claims
1. A cap assembly (300) characterized by, include: Cover plate (31), the cover plate (31) is provided with injection hole (311); A first sealing element (341) is disposed at the injection hole (311) to seal the injection hole (311), and a first positioning part (3411) is provided on the side of the first sealing element (341) opposite to the battery core (200); and, The second sealing element (342) is provided with a second positioning part (3421), which is positioned and cooperates with the first positioning part (3411) so that the second sealing element (342) seals the injection hole (311).
2. The roof assembly (300) according to claim 1, characterized in that One of the first positioning part (3411) and the second positioning part (3421) includes a first protrusion, and the other of the first positioning part (3411) and the second positioning part (3421) includes a first groove. The first protrusion engages with the first groove to achieve positioning engagement.
3. The roof assembly (300) according to claim 2, characterized in that The bottom wall of the first groove is provided with a second protrusion (3422), the first protrusion is provided with a second groove (3412), and the second protrusion (3422) is engaged with the second groove (3412) to achieve positioning and engagement.
4. The header assembly (300) of claim 3, wherein, Along the direction toward the opening of the first groove, the cross-section of the second protrusion (3422) is reduced.
5. The top cover assembly (300) according to any one of claims 1 to 4, characterized in that, The first sealing element (341) is bonded and fixed to the wall of the injection hole (311); and / or, The second sealing element (342) is welded and fixed to the cover plate (31).
6. The roof assembly (300) according to any one of claims 1 to 4, characterized in that The first sealing member (341) is further provided with a third positioning part (3413), which is disposed opposite to the first positioning part (3411), and the shape of the third positioning part (3413) is the same as the shape of the first positioning part (3411).
7. The roof assembly (300) according to claim 6, characterized in that The top cover assembly (300) further includes an insulating member (35) disposed on the side of the cover plate (31) facing the core (200). The insulating member (35) is provided with a limiting portion (351) located on the side of the first seal (341) away from the second seal (342) to restrict the first seal (341) from disengaging from the injection hole (311) in a direction away from the second seal (342).
8. The roof assembly (300) according to claim 7, characterized in that The insulating component (35) includes an insulating component body (352) and a limiting rib (353). The insulating component body (352) is mounted on the surface of the cover plate (31) facing the core (200). The limiting rib (353) is connected to the insulating component body (352). At least a portion of the limiting rib (353) is correspondingly disposed to the injection hole (311). A flow hole (354) is formed between the limiting rib (353) and the insulating component body (352). The flow hole (354) communicates with the injection hole (311). The limiting portion (351) is provided on the side of the limiting rib (353) facing the injection hole (311); and / or, The limiting part (351) and the third positioning part (3413) are positioned and cooperated.
9. A battery, characterized by include: The housing (100) is provided with a receiving cavity and an opening, the opening communicating with the receiving cavity; A core (200) disposed within the receiving cavity; and, The top cover assembly (300) as claimed in any one of claims 1 to 8, wherein the top cover assembly (300) is connected to the housing (100) to close the opening.
10. An electric device, characterized by Includes the battery as described in claim 9.