Automatic drainage device

The utility model discloses an automatic drainage device which comprises a fixing seat. A support is installed on the fixing seat, a fixed pulley is placed on the upper end portion of the support, and a guide rail is placed at a position, below the fixed pulley, on the support. A sliding block is pl...

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Bibliographic Details
Main Authors LUO ZHIJUN, TAN DANKANG
Format Patent
LanguageChinese
English
Published 05.06.2013
Subjects
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Summary:The utility model discloses an automatic drainage device which comprises a fixing seat. A support is installed on the fixing seat, a fixed pulley is placed on the upper end portion of the support, and a guide rail is placed at a position, below the fixed pulley, on the support. A sliding block is placed on the guide rail and is provided with a first contact switch, a second contact switch is arranged at a position, below the sliding block, on the support, and the second contact switch is connected with a water pump. A digging rope passing through the fixed wheel is connected on the sliding block, a floating ball is placed at the other end of the digging rope, and the weight of the floating ball is equal to the weight of the sliding block. Due to the fact that the weight of the sliding block is equal to the weight of the floating ball, when the water level rises, the floating ball floats upwards, and the sliding block falls downwards due to the weight. When the sliding block falls to a position which enables t
Bibliography:Application Number: CN20122630863U