Knife sharpening device

A knife sharpening device, comprising a housing and a sharpening assembly arranged inside the housing;

• the sharpening assembly comprising a sharpening wheel rotatably mounted inside the housing, the sharpening wheel comprising two opposite mounting surfaces arranged along an axial direction and a sharpening surface along a circumferential direction;
• the housing being formed thereon with a first sharpening groove that is arranged on a first side of the sharpening surface, the first sharpening groove being formed with openings at both ends along a length direction, and the first side of the sharpening surface extending partially into an interior of the first sharpening groove;
• wherein the housing is further formed thereon with a second sharpening groove that is arranged on a second side of the sharpening surface, the second sharpening groove is formed with openings at both ends along a length direction, and the second side of the sharpening surface extends partially into an interior of the second sharpening groove;
• wherein the sharpening wheel is arranged on a top of the housing, and the first sharpening groove and the second sharpening groove are both formed on a top surface of the housing;
• wherein the first sharpening groove and the second sharpening groove are arranged at two ends of the sharpening surface symmetrically, the housing has a position located between the two sharpening grooves further formed with a third sharpening groove, the third sharpening groove is formed with openings at both ends along a length direction, and a third side of the sharpening surface extends partially into an interior of the third sharpening groove;
• and
• wherein the sharpening surface is configured for grinding a knife placed into the first sharpening groove, the second sharpening groove, or the third sharpening groove.