Handheld continuous liquid collecting and changing device

The utility model relates to the technical field of liquid collecting and changing devices, and discloses a handheld continuous liquid collecting and changing device which comprises a fixed seat, a movable seat is rotatably mounted at the lower end of the fixed seat, a pipettor is fixedly mounted at the upper end of the fixed seat, a cavity is formed in the fixed seat, and a connecting disc is movably mounted in the cavity. According to the handheld continuous liquid collecting and changing device, the fixed seat is arranged at the bottom of the pipettor, the movable seat is arranged at the lower end of the fixed seat, five pipettes can be mounted at the bottom of the movable seat at the same time, during use, cell liquid is sucked into the pipettes under the pipettor, and after the pipettes are full, the movable seat can be rotated to move other pipettes to the positions under the pipettor, so that the cell liquid can be collected and changed continuously. The five pipettes can harvest 250ml of cell sap at a