Fastener for petroleum engineering mechanical connection

• Main Authors: ZHOU XIAOYING, XU CHUNRONG, GUO QINGJUN, CHEN JUN, ZHANG TONG, CUI FENGGANG
• Format: Patent
• Language: Chinese; English
• Published: 15.06.2018
• 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 fastener for petroleum engineering mechanical connection, including first snap ring, second snap ring, spacing groove, handle and link, one side of first snap ring is provided with the second snap ring, the surface of second snap ring one side is provided with the mounting hole, the inside of mounting hole is provided with the bolt, the one side on second snap ring surface is provided with the spacing groove, and the both sides of spacing groove all are provided with the handle, first snap ring all is provided with the alloy enhancement layer with the inside of second snap ring, the first snap ring of alloy enhancement layer inboard all is provided with the waterproof layer with the inside of second snap ring, the first snap ring of waterproof layer inboard all is provided with the blotter with the inside of second snap ring, the first snap ring of blotter inboard all is provided with sealed the pad with the inside of second snap ring. The utility model discloses a be provided wi