Reseeding mechanism of hand-push roller seeder

The utility model discloses a reseeding mechanism of a hand-push roller seeder, which is a special part of the seeder and used for improving the seeding accuracy of the seeder. The mechanism comprises a seed box and a shaft lever, wherein a seeding shaft, a spring, a reseeding shaft and a sleeve sequentially sleeve the shaft lever, each of the opposite end faces of the seeding shaft and the reseeding shaft are respectively provided with a movable meshed gear ring, the sleeve and the reseeding shaft are in movable pressed connection, the sleeve is provided with a ring cover connected by a thread, a top bead at one end of the ring cover is respectively engaged with multiple bead pits in the reseeding shaft, the two ends of a drive rod on the sleeve are respectively provided with a first tension spring and a second tension spring, the two ends of the two tension springs are respectively hooked with one end of a corresponding drive rod and the ring cover, the tensile forces, acting on the drive rod, of the two tension springs are same in direction, the other end of the drive rod is provided with a bearing, a probing knife shaft on the seed box is fixedly connected with a probing knife and a shift lever, a knife bit of the probing knife is sequentially opposite to the seeding pits, and a lever body of the shift lever is in a movable pressed connection with the external circular surface of the bearing on the drive rod.