Water sample collecting device

The utility model relates to the technical field of water sample collection equipment, in particular to a water sample collection device, which comprises a telescopic rod and a wireless controller, the end part of the telescopic rod is fixedly connected with a connecting cylinder, the connecting cylinder is detachably connected with an arc-shaped fixed shell, the bottom of the arc-shaped fixed shell is fixedly connected with an annular inflatable floating cushion, and the annular inflatable floating cushion is fixedly connected with the wireless controller. An electric telescopic rod is detachably installed at the top end of the arc-shaped fixing shell, a rod head of a piston rod of the electric telescopic rod extends to the position below the annular inflatable floating cushion and is fixedly connected with a collector, and the electric telescopic rod is electrically connected with the wireless controller. The water sampling device is simple in structure, convenient to use and capable of assisting a water sa