CN103840098A - 铅酸蓄电池极柱多重密封结构 - Google Patents
铅酸蓄电池极柱多重密封结构 Download PDFInfo
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Abstract
本发明提供一种铅酸蓄电池多重密封结构，包括极柱、铅衬套和上盖，极柱下部有一环状凸台，凸台与上盖的极柱安装孔下端面之间设有橡胶密封圈，极柱上部与铅衬套焊接，焊接后填充密封胶，多重密封结构有效避免了电池使用期间极柱的漏酸、腐蚀和毛细爬酸现象，延长了电池的使用寿命。
Description
技术领域
本发明涉及铅酸蓄电池极柱与上盖的密封连接结构，特别是铅酸蓄电池极柱多重密封结构。
背景技术
现有的蓄电池极柱与上盖密封结构主要有两大类，一类为O型圈结构的纯机械密封结构，一种为铅衬套焊接密封结构。这两种结构密封不严密，蓄电池在使用过程中，特别是卧放使用过程中，极柱与上盖配合部位往往出现爬酸现象，使蓄电池寿命提前结束。
发明内容
本发明的目的在于提供一种密封效果好、延长电池使用寿命的铅酸蓄电池极柱多重密封结构。
本发明的技术方案是：铅酸蓄电池极柱多重密封结构，包括极柱、铅衬套和上盖，其改进之处是所述极柱的上部与嵌入上盖的铅衬套焊接，焊接部位外围填充密封胶，极柱下部有环状凸台，该凸台与上盖极柱安装孔下端面之间设有橡胶密封圈。
所述凸台与橡胶密封圈之间有塑料垫片，该塑料垫片与橡胶密封圈接触的表面有环状凸起；所述上盖极柱安装孔下端面有环状凸起。
本发明中，蓄电池极柱通过与铅衬套焊接，填充密封胶以及增加橡胶密封圈，形成多重密封结构，大大增强密封效果，有效避免电池使用过程中极柱的漏酸、腐蚀和毛细爬酸现象，从而延长电池使用寿命。
附图说明
附图为本发明结构示意图。
具体实施方式
参见附图，极柱1的上部与嵌入上盖4中的铅衬套3焊接，极柱与铅衬套的非焊接缝隙中装热缩套6，焊接部位外围填充环氧树脂密封胶5，极柱下部有环状凸台2，该凸台与上盖的极柱安装孔下端面之间设有三元乙丙橡胶密封圈7和带有环状凸起的塑料垫片8，上盖的极柱安装孔下端面也有环状凸起。
Claims (3)
1.一种铅酸蓄电池极柱多重密封结构，包括极柱、铅衬套和上盖，其特征是所述极柱的上部与嵌入上盖的铅衬套焊接，焊接部位外围填充密封胶，极柱下部有环状凸台，该凸台与上盖极柱安装孔下端面之间设有橡胶密封圈。
2.根据权利要求1所述的铅酸蓄电池极柱多重密封结构，其特征在于：所述凸台与橡胶密封圈之间有塑料垫片，该塑料垫片与橡胶密封圈接触的表面有环状凸起。
3.根据权利要求1所述的铅酸蓄电池极柱多重密封结构，其特征在于：所述上盖极柱安装孔下端面有环状凸起。
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| CN201210470720.5A CN103840098A (zh) | 2012-11-20 | 2012-11-20 | 铅酸蓄电池极柱多重密封结构 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509848A (zh) * | 2018-12-30 | 2019-03-22 | 湖南三迅新能源科技有限公司 | 电池盖板密封机构及加工方法 |
| CN111247666A (zh) * | 2017-10-25 | 2020-06-05 | 柯锐世先进解决方案有限责任公司 | 用于可再充电电池的连接极和可再充电电池壳体 |
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- 2012-11-20 CN CN201210470720.5A patent/CN103840098A/zh active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111247666A (zh) * | 2017-10-25 | 2020-06-05 | 柯锐世先进解决方案有限责任公司 | 用于可再充电电池的连接极和可再充电电池壳体 |
| CN109509848A (zh) * | 2018-12-30 | 2019-03-22 | 湖南三迅新能源科技有限公司 | 电池盖板密封机构及加工方法 |
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