Sliding-locking crisper box

A sliding-locking crisper box, comprising:

• a box body, comprising a bottom plate, a surrounding wall around the bottom plate, an opening defined by the surrounding wall, a flange extended from the opening of the surrounding wall and extended toward an outside of the box body, and two first fixed structures respectively arranged on opposite sides of the flange;
• an upper cover, configured to hermetically cover the opening along a vertical direction, the upper cover comprising a pair of opposite first side frames and a pair of opposite second side frames, each of the first side frames comprising a pair of limiting portions, each of the limiting portions comprising a slot and a limiting side-cover;
• and
• a pair of sliding sleeves, arranged opposite to each other in correspondence with the second side frames, each of the sliding sleeves configured to slide along the first side frames to switch between a locked position and an unlocked position, each of the sliding sleeves comprising a pair of plug ends, a second fixed structure, and an anti-lift plate, each of the plug ends comprising a positioning piece;
• wherein when each of the sliding sleeves is at the locked position, each of the positioning pieces is inserted and fixed in each of the slots, each of the limiting side-covers is configured to block an outside of each of the plug ends, each of the anti-lift plates is configured to block each of the flanges along the vertical direction, each of the second fixed structures is locked with each of the first fixed structures;
• wherein when each of the sliding sleeves is at the unlocked position, each of the plug ends is separated from each of the limiting side-covers, each of the anti-lift plates is separated from each of the flanges, each of the second fixed structures is separated from each of the first fixed structures.