Multi-functional double-layer crisper

A multi-functional double-layer crisper, comprising:

• a bottom box body (1), wherein a top end of the bottom box body (1) is open, and an edge of an opening end is protruded outwards to form an annular flange (11);
• a sandwich box body (2), wherein a top end of the sandwich box body (2) is open, an edge of a bottom end is protruded outwards to form an annular clamp plate (21), and a lower end face of the annular clamp plate (21) is hermetically abutted with an upper end face of the annular flange (11);
• and the sandwich box body (2) is internally provided with partition plates vertical to a bottom wall and divided into independent containing cavities, an outer bottom end face of the sandwich box body (2) is concave inwards to form a containing groove (22), and an insulation ice box (5) is clamped in the containing groove (22);
• a cover body (3), wherein an inner part of the cover body (3) is a cavity with an opening on the bottom end, and an outer edge of a opening end is hinged with a plurality of knuckles (4) along a circumferential direction;
• the cavity of the cover body (3) is buckled on an outer side of the sandwich box body (2), an opening end face is abutted with an upper end face of the annular clamp plate (21), and an inner top surface of the cavity of the cover body (3) is hermetically abutted with an opening end face of the sandwich box body (2);
• and each knuckle (4) is provided with first clamping plates (43) and second clamping plates (44) arranged up and down at intervals, and the first clamping plates (43) and the second clamping plates (44) can be clamped and fixed with the annular flange (11);
• wherein a position of a bottom end face of the sandwich box body (2) near an edge is protruded downwards to form a plurality of limiting plates (27).