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可防止粉尘堵塞的抽气阀
刘金钟
2013-02-21
Country中国
Patent NumberZL201310055388.0
Rights Holder中国科学院广州地球化学研究所
Contribution Rank1
Abstract本发明公开一种可防止粉尘堵塞的抽气阀,包括压帽、螺栓、活动杆、取气阀体、顶杆和与顶杆相连接的旋转手柄,压帽分别与螺栓和取气阀体相连接,压帽的外壁下部设有安装螺纹,在螺栓上开设有通孔,压帽上设有与通孔相对应的开口,活动杆安装在通孔及开口上且与顶杆相连接,活动杆的外壁与开口的内壁之间存在透气间隙,在活动杆还设有凸缘,凸缘与压帽内腔壁之间设有第一密封圈,凸缘与螺栓之间安装有弹簧,在活动杆上设有通气槽,取气阀体内设有连通取气管道的取气腔,在通孔的下端设有过滤棉。本发明结构简单,通过设置过滤棉,能阻挡粉末堵塞通气管道;在样品磨碎完成后,通过活动杆可在不破坏真空的条件下使过滤棉脱落,保证抽气正常进行。
Date Available2013-06-05
Language中文
Application NumberCN201310055388.0
Open (Notice) NumberCN103133703A
Document Type专利
Identifierhttp://ir.gig.ac.cn/handle/344008/35864
Collection专利
Recommended Citation
GB/T 7714
刘金钟. 可防止粉尘堵塞的抽气阀. ZL201310055388.0[P]. 2013-02-21.
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