This utility model discloses a gear-driven mixer
assembly, including a tank cover, a stirring device disposed below the tank cover, a motor disposed on the tank cover, and a protection device connected to the output end of the motor. The protection device includes a connecting sleeve, a connecting rod, a connecting groove, a control sleeve, a push block, a push spring, a
mating sleeve, a sliding block, a connecting frame, and a sliding groove. The connecting groove is located on the outside of the connecting rod. The push block is connected to the sliding block via the push spring. The
mating sleeve is connected to the control sleeve via threads. The connecting frame is disposed on one side of the push block. The sliding groove is located on the inside of the connecting sleeve. A positioning mechanism is disposed on the outside of the connecting sleeve. The positioning mechanism includes a reset plate, a positioning sleeve, a reset rod, a fixing block, a reset spring, a reset hole, and a reset block. The reset rod is connected to one side of the positioning sleeve. The two ends of the reset spring are connected to the fixing block and the reset block. The reset hole is located on the reset plate. This utility model can achieve uniform stirring, has a reliable and flexible
protection mechanism, and has a stable structure.