Expansion bolt convenient to disassemble

• Main Authors: WU LIHANG, LUO LIE
• Format: Patent
• Language: Chinese; English
• Published: 01.02.2022
• 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 expansion bolt comprises a rod body, the upper end of the rod body is provided with threads, the upper end of the rod body is in threaded connection with a nut, the lower end of the rod body is fixedly provided with a sleeve, the surface of the sleeve is rotationally connected with a connecting rod, and the end, away from the sleeve, of the connecting rod is rotationally connected with an abutting plate. The surface of the rod body is in threaded connection with an adjusting nut, the lower surface of the adjusting nut is rotationally connected with an adjusting ring, the surface of the adjusting ring is rotationally connected with an adjusting rod, and the end, away from the adjusting ring, of the adjusting rod is rotationally connected with the surface of the abutting plate. According to the expansion bolt convenient to disassemble, by arranging the adjusting nut, the adjusting rod, the connecting rod and the abutting plate, when the expansion bolt is installed, the adjusting nut can be rotated to drive