Novel harmless template buried sleeve is fixed device

The utility model provides a novel harmless template buried sleeve is fixed device, including sleeve pipe, clamping screw, fixed suction cup, exhaust apparatus and apron, clamping screw central authorities set up the air vent that link up clamping screw, clamping screw's bottom and fixed suction cup intercommunication, and fixed connection's top is provided with the exhaust apparatus of air in thefixed suction cup that is used for discharging, the cover pipe box is established outside clamping screw and fixed suction cup, and sleeve pipe top cover is equipped with the apron, is provided withthe top nut of fixed apron on the apron, and the top nut spiro union is outside clamping screw, a novel harmless template buried sleeve is fixed device, utilize negative pressure principle, can be with stable the fixing in the template of sleeve pipe, at this in -process, the fixed fixed suction cup that leans on of sheathed tube, clamping screw realize with the apron, drills, welds on not being used in the template, has i