Device of nylon packing ring is worn to establish for screw

The utility model discloses a device of nylon packing ring is worn to establish for screw, including bottom plate and upper substrate, the both ends of bottom plate are provided with reset spring and supporting spring respectively, reset spring with supporting spring's upper end sets up the upper substrate, fixed mouthful be provided with in the upper substrate, the screw of packing ring should be fixed mouthful internal fixation remain, be provided with on the bottom plate and be used for supporting the fixed column of screw, the one end of bottom plate just is located one side of reset spring still is provided with the fixing base, be provided with the connecting rod on the fixing base, the connecting rod overcoat is equipped with the top board. Having played through the upper substrate that sets up and having fixed the effect of waiting the pad screw, the fixed column of setting plays the effect of bearing screw bottom atress to played through the top board that sets up and pressed the effect on the screw