Container for preserving food

A sealed container comprising:

• a container body having a first projecting block and a second projecting block respectively raised from the periphery near a top opening thereof at two opposite sides, a first pair of pivot pins raised from two opposite sides of said first projecting block, and a second pair of pivot pins raised from two opposite sides of said second projecting block;
• a container cover adapted for covering on the top opening of said container body, having a downward flange raised from a bottom side thereof and mounted with a packing ring for sealing the top opening of said container body, a hook and a pair of symmetrical axle receptacles raised from the periphery at two opposite sides, said axle receptacles being spaced from each other and coupled to the second pair of pivot pins of the second projecting block of said container body for permitting said container cover to be turned thereabout;
• and,
• a fastener pivoted to the first pair of pivot pins of the first projecting block of said container body and controlled to hook up with the hook of said container cover, said fastener comprising a hook plate and an actuating plate, said hook plate comprising a hook near a top side thereof adapted for hooking on the hook of said container cover to hold it down, and a transverse pivot at a bottom side thereof, said actuating plate comprising a first pair of transversely aligned recessed holes press-fit into engagement with the transverse pivot of said hook plate for permitting said actuating plate to be turned about the transverse pivot of said hook plate, and a second pair of transversely aligned recessed holes press-fit into engagement with the first pair of pivot pins of the first projecting block of said container body for permitting said actuating plate to be turned about the first pair of pivot pins of the first projecting block of said container body.