Fastening bolt subassembly

• Main Authors: ZHANG GUOQIANG, QI YUMEI, QIANG JUNLI, SHI YANBO, FENG FENG, YU XINGCAI, HAN WEI
• Format: Patent
• Language: Chinese; English
• Published: 08.02.2017
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a fastening bolt subassembly belongs to fastening equipment field. Fastening bolt subassembly includes: fastening bolt, cup joint fastening nut and reserve nut on fastening bolt, prevent moving back the knot metallic gasket with screw thread connection, it is equipped with a circular through -hole to prevent moving back knot metallic gasket middle part for pass fastening bolt, still be provided with 6 radial inward blind holes in edge on its lateral wall, form folding laminating piece between two adjacent blind holes, fastening nut, prevent moving back detain the metallic gasket, reserve nut cup joints on fastening bolt in order. The utility model discloses a to prevent moving back the wherein three laminating piece of detaining on the metallic gasket and upwards fold and paste a tight reserve nut, three laminating piece is folded downwards and is pasted a tight fastening nut in addition, makes fastening nut fill the span of a man's arms with reserve nut and be in the same place, a