Pencil sharpener capable of automatically discharging broken pencils

• Main Authors: PAN CHENGJUN, CHENG YANGFANG
• Format: Patent
• Language: Chinese; English
• Published: 15.01.2021
• Subjects: ACCESSORIES FOR WRITING OR DRAWING; ARTICLES FOR WRITING OR DRAWING UPON; BUREAU ACCESSORIES; PERFORMING OPERATIONS; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

A pencil sharpener capable of automatically discharging pencil cores and breaking the pencil cores comprises a knife rest, a blade and a fixing screw, the blade is fixed on the knife rest through thefixing screw, and a core discharging groove and a conical pencil sharpening hole are formed in the knife rest. The pencil sharpening hole comprises a first hole section and a second hole section, thesecond hole section is communicated with the tail end of the first hole section, the hole wall of the first hole section comprises a first arc wall and a second arc wall, the hole wall of the second hole section comprises a third arc wall, the third arc wall is located in the extending direction of the first arc wall, and a groove is formed in the hole wall of the second hole section. And the groove is positioned in the extension direction of the second arc wall. After the structure is adopted, compared with the prior art, the pencil has the beneficial effects that the pencil core of the pencil cannot be clamped in the