Automatically aligning foot mechanism with limit protection

The utility model discloses an automatically aligning pedal mechanism with limit protection which comprises a food lever, a foot pedal and a connecting shaft. The foot pedal is arranged at the upper end of the food lever, the connecting shaft is arranged below the food lever. The foot pedal is connected with the food lever with elastic friction, the foot pedal consists of a plate and an inverted U-shaped connecting portion which is fixed downside the plate, the foot pedal is arranged inside of the inverted U-shaped connecting portion, springs are arranged at two sides of the inverted U-shaped connecting portion, a double-headed screw shaft penetrates through the springs, the inverted U-shaped connecting portion and the food lever, the two ends of the double-headed screw shaft are compressed by a fastener, the connection between the double-headed screw shaft and the springs, the inverted U-shaped connecting portion and the food lever is in elastic friction, a gap is reserved between the U-shaped connecting por