Water taking device for collecting water layers with different depths

The utility model relates to a water taking device for collecting water layers with different depths. The water taking device comprises a fixed rod, a water taking device and a control system, the water taking device is a cylinder with an opening at one end, and an end cover is arranged at the opening end; the control system comprises a control switch, a connecting line and a first reset spring. A graduated scale and an indicating dial are arranged on the fixing rod; and sealing rings which are matched with each other are arranged on the water taking device and the end cover. The liquid taking device has the beneficial effects that the liquid taking device consisting of the fixed rod, the water taking device and the control system is simple in structure, easy to operate and capable of quickly collecting a liquid sample of a water layer at a specific depth; the holding part formed at one end of the fixing rod can ensure the comfort of a user, and the water taking capacity of the water taking device can be impr