Thermal box

A thermal box comprising a body;

• the body comprises a box body with an opening at a top portion thereof;
• a box cover for closing the opening, and locking devices for locking the box body and the box cover together;
• each of the locking devices comprises a snap fastening member and a snap fastening seat for receiving the snap fastening member;
• the snap fastening member is in block form;
• characterized in that:
• the locking devices are provided on a front side and a rear side of the body respectively;
• receiving recesses each having an open top end are recessed inwards from a front side wall and a rear side wall of the box body corresponding to the locking devices;
• for each of the locking devices, the snap fastening member and the snap fastening seat are both received in the corresponding receiving recess;
• the snap fastening seat is positioned at an inner side of the snap fastening member;
• the snap fastening seat is fixed on the box body;
• two extended lugs which are spaced apart left and right extend downwards from a bottom side of the box cover via the open top end of the receiving recess into the receiving recess;
• the snap fastening seat is provided with a pivot seat between the two extended lugs;
• the snap fastening member has an inner side which faces towards the snap fastening seat;
• two mounting lugs which are spaced apart left and right are provided on a top side of the snap fastening member;
• the two extended lugs are positioned between the two mounting lugs;
• the two extended lugs and the two mounting lugs are interconnected via a rotating shaft to rotate inwards and outwards in the receiving recess;
• a rotating shaft mounting recess which extends along left and right sides of the pivot seat is recessed downwards from a top side of the pivot seat;
• the rotating shaft is rotatably mounted inside the rotating shaft mounting recess;
• a fastening structure which fastens by pressing inwards and unfastens by pulling outwards is provided on the inner side of the snap fastening member and the snap fastening seat.