Horizontal well drags for husky nib

The utility model discloses a horizontal well drags for husky nib belongs to and drags for husky instrument technical field. Should drag for husky nib includes: the body to and set up at the inside atleast three board that turns over of body, be provided with at least three cyclic annular boss along the axial of body on the inner wall of body, every turnover panel is articulated with every cyclicannular boss, and every turnover panel all can the department of articulating rotate with intercommunication or closed pipe body inner cavity for the axle, and cyclic annular boss can restrict the turnover panel towards the rotation of the one end of body with closed pipe body inner cavity, at least, the three circumferencial direction evenly distributed who turns over the articulated departmentof board and boss along the body. Through the utility model provides a drag for husky nib, no matter how drag for the sand tube post rotates, necessarily exist at least one effectively shutoff pipe body inner cavity turn over t