Multi-sampling device for hydrogeological exploration

The utility model discloses a multi-sampling device for hydrogeological exploration, which comprises a fixed disc, and sampling mechanisms are arranged on the upper side and the lower side of the fixed disc; the sampling mechanism comprises a first sampling cylinder, a second sampling cylinder, a first siphon, a second siphon, an electromagnetic valve and a magnetic disk; a first sampling barrel and a second sampling barrel are fixedly connected to the upper side and the lower side of the fixing disc respectively, the left bottom and the right top of the second sampling barrel are communicated with one end of a first siphon and one end of a second siphon respectively, and the other ends of the first siphon and the second siphon are communicated with a second sampling barrel. According to the utility model, through the first siphon and the second siphon on the second sampling cylinder, water at different depths can be respectively input into the first sampling cylinder by utilizing the first siphon and the sec