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发明名称
阻止粪便和污水管道中污物反冲的单向阀
摘要
一种阻止粪便和污水管道中污物反冲的单向阀,该阀由管状阀体和片状阀门组成。片状阀门靠转轴嵌在管状阀体里,管状阀体套入管道内,平时片状阀门因偏心自重而与管道平行,阀开启,管道内发生反冲时,反冲物的推力使片状阀门围绕转轴向管道的垂直方向转动,阀关闭,阻止高层用户的粪便和污水通过总管从低层用户的终端用具中反冲漫出,迫使其由总管排出。因此不影响原有管道和用户,也不影响橡胶吸泵,钢丝、竹片类普通工具对管道的疏通。
申请公布号
CN2249271Y
申请公布日期
1997.03.12
申请号
CN94239929.3
申请日期
1994.12.28
申请人
达式宪
发明人
达式宪;郭新钢
分类号
E03C1/298
主分类号
E03C1/298
代理机构
代理人
主权项
1、一种阻止粪便和污水管道中污物反冲的单向阀,其特征是:阀体是个上部有翻边,下部有转轴孔的管状体;片状阀门上嵌有转轴,并通过转轴与阀体连接,片状阀门能绕管状阀体上的转轴孔在阀体里转动,片状阀门上有弧形付阀片。
地址
200080上海市虹口区塘沽路219号403室
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