Depth flow limiting device with novel structure

The utility model discloses a depth current limiting device with a novel structure, which relates to the technical field of current limiting equipment and comprises a box body, a pair of driving bevel gears are fixedly arranged in the box body, round rods are rotatably arranged on the driving bevel gears, connecting rods are fixedly arranged at one ends of the round rods, fixing frames are fixedly arranged on the connecting rods, and cylinders are fixedly arranged on the fixing frames. A pair of transmission bevel gears is fixedly arranged on each cylinder, a first motor is fixedly arranged in each cylinder, one transmission bevel gear is fixedly connected with an output shaft of the first motor, a driven bevel gear is rotationally arranged at one end of each connecting rod, and a transmission rod is rotationally arranged at one end of each connecting rod. According to the utility model, the driving bevel gear, the transmission bevel gear and the driven bevel gear are matched to work, so that the fan can blow