Gear structure

The utility model discloses a gear structure, it makes the gear have better practical function, mainly formed by body, gear mass, the reinforcement body and bolt combination, the body is established and is comprised metal material, and the gear mass has a plurality of tooth pieces of interval arrangement, and the gear is established and is comprised wear resistant plastics, through foretell structure, when two gear intermeshing interlocks, has the noise of reducing, reduces torn -up effect, and when the tooth piece wearing and tearing of qieyu gear mass were serious, it need the change gear mass only to have, need not change the body, reached the effect of save material expense.