| 摘要 |
<p>A pencil sharpener has a waste case (10), a blade base (20), a blocking chunk (30), a blade (40), a rotating knob (50) and an adjusting shaft (60). The waste case (10) has a mounting hole (111) and multiple positioning segments (112). The blocking chunk (30) is moveably mounted on the bottom of the blade base (20) along an axial direction. The blade (40) is mounted securely on the blade base (20). The rotating knob (50) is mounted rotatably in the mounting hole (111) and has at least one engaging segment (532) selectively engaging the positioning segments (112). The adjusting shaft (60) is connected securely with the rotating knob (50) and is disposed on the blocking chunk (30). When the rotating knob (50) is rotated, the adjusting shaft (60) is rotated to push the blocking chunk (30) to move along the axial direction of the blade base (20).</p> |
