Nut assembly and fastening assembly

• Main Authors: MA QIUSHAN, XIA SHUHUA, HONG MINGXING
• Format: Patent
• Language: Chinese; English
• Published: 30.06.2020
• 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 invention provides a nut assembly and a fastening assembly. The nut assembly comprises a first part and a second part which are mutually split and are annular, the first part and the second part are partly in sleeved fit, one of a matching contact part of the first part and a matching contact part of the second part is a convex part, the other one is a concave part, at least partial outer circumference face of the convex part in the axial direction is a convex spherical surface, the convex spherical surface is one part of a virtual foundation spherical surface, at least partial inner circumference face of the concave part in the axial direction is a concave spherical surface, the concave spherical surface is one part of a virtual foundation spherical surface, or at least partial innercircumference face of the concave part in the axial direction is a conical face, the conical face is one part of a virtual foundation conical face, the virtual foundation conical face is externally tangent with the virtual fo