Rotary resin crayon

• Main Authors: ZENG ZHAONENG, XU YUNBEI, HUANG XIAOXI
• Format: Patent
• Language: Chinese; English
• Published: 12.10.2016
• Subjects: BUREAU ACCESSORIES; IMPLEMENTS FOR WRITING OR DRAWING; PERFORMING OPERATIONS; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

The invention discloses a rotary resin crayon. The rotary resin crayon comprises a crayon rod, a point sleeve and a resin crayon bar core; the crayon rod and the point sleeve are coaxially arranged, the crayon rod is a hollow rod body with an opening in the axial end, the point sleeve is a hollow structural body with openings in the two axial ends, one axial end of the point sleeve can be axially fastened, and the point sleeve can be rotatably and internally arranged in the axial end of the crayon rod in the circumferential direction; an inner cavity of the point sleeve is further communicated with an inner cavity of the crayon rod, and a containing cavity is jointly formed by the inner cavity of the point sleeve and the inner cavity of the crayon rod; the resin crayon bar core is in a rod shape and is freely and internally arranged in the containing cavity, spiral grooves extending in the length direction of the bar core are formed in the circumferential wall of the resin crayon bar core, the point sleeve is