Eccentric sleeve structure

The utility model discloses an eccentric sleeve structure. The eccentric sleeve comprises an eccentric sleeve main body and a locking device, the eccentric sleeve main body comprises an eccentric outer body and an eccentric inner body which are fixedly connected, the eccentric outer body and the eccentric inner body are both cylindrical, a reducing edge is arranged on the eccentric outer body, andthe eccentric sleeve main body is arranged between a side fixed knife handle and the violent drill through the locking device. The utility model aims at realizing the diameter size adjustment of a violent drill (shallow hole drill), solving the problem of single-size drilling, and being simple to operate; besides, due to the reducing effect of the eccentric sleeve body, the utilization rate of the knife handle is greatly increased, the knife handle does not need to be specially purchased for a violent drill, and expenditure of a user is greatly saved. 本实用新型公开一种偏心套结构，包括偏心套主体和锁紧装置，所述偏心套主体包括固定连接的偏心外体和偏心内体，所述偏心外体和偏心内体均为圆