Precooling device for preservation of picked fruits and vegetables

The utility model discloses a precooling device for fresh-keeping after fruit and vegetable picking, and relates to the technical field of precooling devices, the precooling device for fresh-keeping after fruit and vegetable picking comprises a precooling bin, the top of the precooling bin is provided with a plurality of refrigerating units, the two ends of each refrigerating unit are connected with rotating shafts in a matched mode, and the rotating shafts are connected with the precooling bin. The supporting frame is arranged on the top of the pre-cooling bin and is in matched connection with a plummer block mounted on the supporting frame through a rotating shaft, and the supporting frame is fixed to the top of the pre-cooling bin through bolts; according to the fruit and vegetable pre-cooling device, the refrigerating unit rotates to change the wind direction of the refrigerating unit, the refrigerating unit is located over the bearing plate, the motor can also be turned off to directly blow fruits and ve