Quick-replacing brush head type conical flask washing device

The invention belongs to the field of bioexperiment tools and chemical experiment tools and particularly relates to a quick-replacing brush head type conical flask washing device. The quick-replacing brush head type conical flask washing device is mainly composed of a hand wheel, a rotating shaft, a side rod, a bottom rod, a quick-replacing connector and a locking nut. The rotating shaft is matched with the quick-replacing connector through a notch and a notch-shaped protrusion. The quick-replacing connector is in threaded connection with the locking nut so that the rotating shaft and the quick-replacing connector can be pressed tightly, and a brush head can be quickly replaced to adapt to washing of different types of conical flasks. Three clamping jaws are evenly distributed on the outer side of a shaft sleeve in the circumferential direction, the rotating shaft of the conical flask washing device can be limited to the center axis of one conical flask through the automatic centering function of the three clamping jaws during using, and washing stress is even. The quick-replacing brush head type conical flask washing device can quickly wash the bottom and the side face of the conical flask at the same time and has the advantages of being good in washing effect and high in efficiency; the brush head can be quickly replaced, the device is universal, and resources are saved.