CN111129374A - 锂电池盖板全极耳装配结构 - Google Patents

锂电池盖板全极耳装配结构 Download PDF

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CN111129374A
CN111129374A CN202010028659.3A CN202010028659A CN111129374A CN 111129374 A CN111129374 A CN 111129374A CN 202010028659 A CN202010028659 A CN 202010028659A CN 111129374 A CN111129374 A CN 111129374A
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cover plate
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王文林
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Suzhou Juhong Communication Computer Technology Co ltd
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Priority to DE202020106535.1U priority patent/DE202020106535U1/de
Priority to DE102020130057.3A priority patent/DE102020130057A1/de
Priority to KR1020200156467A priority patent/KR102461030B1/ko
Priority to JP2020193162A priority patent/JP6987371B2/ja
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Abstract

本发明揭示了锂电池盖板全极耳装配结构，包括具有正负电极位置的两敞口的盖板、设于盖板底部的下绝缘垫、贯穿敞口挂接于下绝缘垫上的正负电极引脚、套设于正负电极引脚周向与下绝缘垫之间的密封圈、以及套设于正负电极引脚周向与密封圈贴合的上绝缘垫；盖板的敞口周向收口处理卡持上绝缘垫周向紧固。本发明实现了极耳装配准确，内阻稳定，无充放电发热问题。

Description

锂电池盖板全极耳装配结构
技术领域
本发明属于锂离子电池技术领域，尤其涉及锂电池盖板全极耳装配结构。
背景技术
锂电池极耳进行装配时，往往由于各配件无法有效准确配合，导致功能不稳定；密封结构进行贴合安装后，仍然存在风险；由于装配的零件较多，零件组合上造成内阻不稳定，导致锂电池盖板充放电发热问题；盖板与电极配合发生接触时，锂电池盖板在充放电时由于缝隙产生放电弧现象。
发明内容
本发明的目的是为了解决上述技术问题，而提供锂电池盖板全极耳装配结构，从而实现极耳装配准确，内阻稳定，无充放电发热问题。为了达到上述目的，本发明技术方案如下：
锂电池盖板全极耳装配结构，包括具有正负电极位置的两敞口的盖板、设于盖板底部的下绝缘垫、贯穿敞口挂接于下绝缘垫上的正负电极引脚、套设于正负电极引脚周向与下绝缘垫之间的密封圈、以及套设于正负电极引脚周向与密封圈贴合的上绝缘垫；盖板的敞口周向收口处理卡持上绝缘垫周向紧固。
具体的，所述正负电极引脚包括L型的本体、设于本体顶部周向的环形的凸缘，正负电极引脚的表面露出敞口位置。
具体的，所述盖板为长条形板体结构，盖板上两侧对称设有敞口，敞口的内周设有内陷的环槽，凸缘与环槽位置相对应设置。
具体的，所述下绝缘垫为长条形槽体结构，下绝缘垫的槽体内两侧对称设有与敞口相对应套接的支撑台，支撑台内设有贯穿的通孔。
具体的，所述下绝缘垫和盖板内设有贯穿对应的防爆孔，盖板内的防爆孔位置卡位设有防爆膜，防爆膜的顶部连接有盖合盖板上防爆孔的面贴。
具体的，所述密封圈为环形结构，密封圈一部分架置于支撑台上，其另一部分置于环槽内，凸缘的底部与密封圈相对应贴合密封设置。
具体的，所述上绝缘垫的周向为环形的台阶结构，上绝缘垫的底部与密封圈贴合，上绝缘垫的内周与凸缘的外周贴合密封设置。
具体的，所述敞口的内周与上绝缘垫的外周贴合密封设置。
具体的，所述盖板的敞口位置上盖设有露出正负电极引脚表面的抱紧圈，抱紧圈的内壁压紧贴合敞口侧壁和上绝缘垫侧壁。
与现有技术相比，本发明锂电池盖板全极耳装配结构的有益效果主要体现在：
各个部件进行准确有效的配合连接，实现锂电池工作的稳定性；密封圈与上绝缘垫和下绝缘垫配合结构，实现密封性能的可靠性能，避免漏液风险；正负电极引脚与盖板间隔连接设置，避免多部件装配造成的内阻不稳定问题，降低锂电池盖板内充放电发热温度值；上绝缘垫和下绝缘垫隔离盖板与正负电极引脚，防止锂电池盖板在充放电时由于缝隙产生放电弧现象；抱紧圈根据需求可以省去，降低成本。
附图说明
图1为本发明实施例的***结构示意图；
图2为本实施例中下绝缘垫的局部放大示意图；
图3为本实施例中装配完成部分结构示意图；
图4为本实施例中装配完成部分结构剖视图；
图5为本实施例中防爆膜剖视示意图；
图中数字表示：
1敞口、11盖板、12环槽、2下绝缘垫、21支撑台、22通孔、3正负电极引脚、31本体、32凸缘、4密封圈、5上绝缘垫、6防爆孔、61防爆膜、62面贴、7抱紧圈。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整的描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。
实施例：
参照图1-5所示，本实施例为锂电池盖板全极耳装配结构，包括具有正负电极位置的两敞口1的盖板11、设于盖板11底部的下绝缘垫2、贯穿敞口1挂接于下绝缘垫2上的正负电极引脚3、套设于正负电极引脚3周向与下绝缘垫2之间的密封圈4、以及套设于正负电极引脚3周向与密封圈4贴合的上绝缘垫5；盖板11的敞口1周向收口处理卡持上绝缘垫5周向紧固。
正负电极引脚3包括L型的本体31、设于本体31顶部周向的环形的凸缘32。正负电极引脚3的表面露出敞口1位置。
盖板11为长条形板体结构，盖板11上两侧对称设有敞口1，敞口1的内周设有内陷的环槽12。凸缘32与环槽12位置相对应设置。
下绝缘垫2为长条形槽体结构，下绝缘垫2的槽体内两侧对称设有与敞口1相对应套接的支撑台21，支撑台21内设有贯穿的通孔22。
正负电极引脚3的顶部结构形状为圆形、椭圆形、方形或多边形中的任意一种。敞口1、通孔22与正负电极引脚3的顶部结构形状相对应设置。
下绝缘垫2和盖板11内设有贯穿对应的防爆孔6，盖板11内的防爆孔6位置卡位设有防爆膜61，防爆膜61的顶部连接有盖合盖板11上防爆孔6的面贴62。
密封圈4为环形结构，密封圈4一部分架置于支撑台21上，其另一部分置于环槽12内。凸缘32的底部与密封圈4相对应贴合密封设置。
上绝缘垫5的周向为环形的台阶结构，上绝缘垫5的底部与密封圈4贴合，上绝缘垫5的内周与凸缘32的外周贴合密封设置。
敞口1的内周与上绝缘垫5的外周贴合密封设置。
盖板11与下绝缘垫2贴合对接，密封圈4塞入敞口1内，上绝缘垫5套嵌于凸缘32位置，正负电极引脚3穿入敞口1和通孔22，凸缘32置于密封圈4上，敞口1的顶部周向与上绝缘垫5周向的连接处进行收口压紧处理，敞口1内形成环槽12结构。
盖板11的敞口1位置上盖设有露出正负电极引脚3表面的抱紧圈7，抱紧圈7的内壁压紧贴合敞口1侧壁和上绝缘垫5侧壁。
应用本实施例时，各个部件进行准确有效的配合连接，实现锂电池工作的稳定性；密封圈4与上绝缘垫5和下绝缘垫2配合结构，实现密封性能的可靠性能，避免漏液风险；正负电极引脚3与盖板11间隔连接设置，避免多部件装配造成的内阻不稳定问题，降低锂电池盖板11内充放电发热温度值；上绝缘垫5和下绝缘垫2隔离盖板11与正负电极引脚3，防止锂电池盖板在充放电时由于缝隙产生放电弧现象；抱紧圈7根据需求可以省去，降低成本。
以上所述的仅是本发明的一些实施方式。对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。

Claims (9)

1.锂电池盖板全极耳装配结构，其特征在于：包括具有正负电极位置的两敞口的盖板、设于盖板底部的下绝缘垫、贯穿敞口挂接于下绝缘垫上的正负电极引脚、套设于正负电极引脚周向与下绝缘垫之间的密封圈、以及套设于正负电极引脚周向与密封圈贴合的上绝缘垫；盖板的敞口周向收口处理卡持上绝缘垫周向紧固。
2.根据权利要求1所述的锂电池盖板全极耳装配结构，其特征在于：所述正负电极引脚包括L型的本体、设于本体顶部周向的环形的凸缘，正负电极引脚的表面露出敞口位置。
3.根据权利要求2所述的锂电池盖板全极耳装配结构，其特征在于：所述盖板为长条形板体结构，盖板上两侧对称设有敞口，敞口的内周设有内陷的环槽，凸缘与环槽位置相对应设置。
4.根据权利要求3所述的锂电池盖板全极耳装配结构，其特征在于：所述下绝缘垫为长条形槽体结构，下绝缘垫的槽体内两侧对称设有与敞口相对应套接的支撑台，支撑台内设有贯穿的通孔。
5.根据权利要求1所述的锂电池盖板全极耳装配结构，其特征在于：所述下绝缘垫和盖板内设有贯穿对应的防爆孔，盖板内的防爆孔位置卡位设有防爆膜，防爆膜的顶部连接有盖合盖板上防爆孔的面贴。
6.根据权利要求4所述的锂电池盖板全极耳装配结构，其特征在于：所述密封圈为环形结构，密封圈一部分架置于支撑台上，其另一部分置于环槽内，凸缘的底部与密封圈相对应贴合密封设置。
7.根据权利要求2所述的锂电池盖板全极耳装配结构，其特征在于：所述上绝缘垫的周向为环形的台阶结构，上绝缘垫的底部与密封圈贴合，上绝缘垫的内周与凸缘的外周贴合密封设置。
8.根据权利要求7所述的锂电池盖板全极耳装配结构，其特征在于：所述敞口的内周与上绝缘垫的外周贴合密封设置。
9.根据权利要求1所述的锂电池盖板全极耳装配结构，其特征在于：所述盖板的敞口位置上盖设有露出正负电极引脚表面的抱紧圈，抱紧圈的内壁压紧贴合敞口侧壁和上绝缘垫侧壁。
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