Put telescopic precision seed -metering ware to one side

The utility model belongs to the technical field of agricultural machine, in particular to put telescopic precision seed -metering ware to one side. The total includes: charge seed tub, trap, casing,eccentric wheel, go up the cover, fill seed case, spring, connecting rod etc. The utility model discloses utilize the telescopic machanism principle, telescopic machanism is rotatory in succession, fill kind of a zone time along with rotatory arrival of telescopic machanism when the type hole, the seed in between planting yawing force, plant between under the promotion of normal pressure and selfgravity entering type hole, the downthehole seed of type arrives the seed metering district under the protection of casing to the pipe falls down along charging seed. Under seed clearing brush's effect, clear away unnecessary seed and realize that the single seed fills the kind in the time of clear kind, pass through the protection of type hole and recess when protecting kind, realize not having hindering and protect the k