文献类型：专利

英文题名：Spade-shaped pencil sharpener for students, has motor connected with universal serial bus power supply interface, box shell whose rear wall is provided with inserting hole, and pencil core inserted into upper and lower groups of cutter

作者：ZHANG K;WANG Z;LIU H;BAO T;HUANG W;GAO J;HU L;WANG H;SUN M

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN207373995-U

申请日：2017-06-08

公开日：2018-05-18

语种：英文

收录：DERWENT

摘要：NOVELTY - The utility model claims a pencil sharpener pen shovel device, comprising a main box shell, a front cover, a side box, transmission mechanism, a cutting assembly, a motor, a battery box, a power supply USB interface, the shavings collecting box; transmission mechanism comprises synchronous straight gear pair, bevel gear pair; speed reducing straight gear pair, rotating shaft, driving rolling, driven rolling cutter shaft, a shaft joint, a shaft sleeve; the cutting assembly comprises a driving rolling, driven rolling, plane milling cutter, a knife rest, a cutting edge and a knife rest locating piece; the electric motor is connected with the coupling input power; the middle shaft sleeve the two ends of hole connected to drive driving hob of hob shaft and a driven cutter shaft on the plane milling is realized by rotating the big gear drives the small gear on the knife rest and cutting blade rotary cutting. The beneficial effects of the utility model are as follows: energy, high efficiency, convenient to help the student to the spade-shaped pencil sharpener.