Cover opening mechanism of garbage can

The utility model discloses a cover opening mechanism of a garbage can. The cover opening mechanism comprises an outer can, an inner tub; the barrel cover is rotatably mounted on one side of the upperend of the outer barrel, and a cover opening supporting rod is rotatably connected to the position, close to the rotating shaft, of the barrel cover; the pedal is connected with a pedal support, thepedal support is rotationally connected with the inner barrel, and the end, away from the pedal, of the pedal support is connected with the uncovering supporting rod; the lower end of the uncovering supporting rod is connected with a limiting sliding sleeve, and the limiting sliding sleeve is slidably connected with the end, away from the pedal, of the pedal support. When the pedal moves downwardsto the limit position, the can cover rotates upwards by more than 90 degrees, and no interaction force exists between the pedal support and the limiting sliding sleeve in the vertical direction afterthe pedal is reset. When th