Quick change nut

Abstract

The utility model discloses a quick change nut belongs to spare fastening equipment technical field. The utility model discloses a nut main part is provided with internal thread on the nut main part still includes: locking piece, drive assembly, connecting component, elastic part, and drive assembly includes drive structure and sliding structure, and connecting component includes connecting piece and pressure tightly, and connecting piece is connected with locking piece. The utility model discloses through drive assembly and drives locking piece to rotate, and quick change nut is under the adaptation of locking assembly and connecting component, and the locking of nut and the loosening of nut are completed, not only make the locking firm of nut when vibrating, and the loosening of nut is difficult, and under the effect of axial extrusion pressure of quick change nut, the position of sliding part in the position change of limiting portion, make the axial extrusion pressure of extruding quick change nut thread decrease rapidly, thereby need not increase other structure or with the aid of auxiliary tool and carry out the loosening of nut, and the quick loosening of nut can be realized to the operation person with hand operation, and the operation is convenient, and reduces the cost of nut.

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