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1. 发明专利

JP2011165415A Electric contact protection structure of hydraulic control device 有权
标题翻译：液压控制装置的电气接触保护结构
公开(公告)号：JP2011165415A
公开(公告)日：2011-08-25
申请号：JP2010025006
申请日：2010-02-08
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： MITSUYA HIROYUKI , KUZE TAKASHI , KUMA MASAAKI , TAKATORI OSAMU , SAWANO YOSHIYUKI
IPC分类号： H01H35/38
摘要： PROBLEM TO BE SOLVED: To provide an electric contact protection structure capable of restraining adhesion of oil or soot dust to an electric contact in a hydraulic control device.
SOLUTION: The electric contact protection structure of a hydraulic control device is provided with a housing chamber having a first space and a second space isolated from each other by an isolation cover with elasticity, a spool equipped with a spool main body part fitted to the first space and capable of sliding by oil pressure, and a first electric pin attached to the spool main body part and inserted into the isolation cover, a second electric pin fitted to the second space and corresponding to the first electric pin, and a communication hole fitted on an inner wall of the housing chamber and communicated with the first space and the second space.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制油或烟尘附着在液压控制装置中的电接点的电接触保护结构。解决方案：液压控制装置的电接触保护结构设置有容纳室，其具有第一空间和第二空间，第一空间和第二空间通过具有弹性的隔离盖彼此隔离，阀芯装备有卷轴主体部分到第一空间并能够通过油压滑动;以及第一电针，其安装在阀芯主体部分并插入隔离罩中，第二电脚安装到第二空间并对应于第一电脚，连通孔安装在壳体室的内壁上并与第一空间和第二空间连通。版权所有（C）2011，JPO＆INPIT

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