一种不沾粉末的粉笔

Powder-inadhesive chalk

  • Inventors: GAO WENXIU
  • Assignees: 杲文秀
  • Publication Date: February 08, 2012
  • Publication Number: CN-202138093-U

Abstract

本实用新型涉及一种教学用品,特别涉及一种不沾粉末的粉笔。该不沾粉末的粉笔,包括笔筒和粉笔,其特征是:笔筒底部通过螺纹连接有转盘,转盘中部固定有伸缩杆,伸缩杆上端设有用于固定粉笔的卡槽,笔筒上端的内壁上设有防滑橡胶圈。因此,本实用新型的有益效果是:该不沾粉末的粉笔,结构简单,方便实用,不仅不会弄脏手,在粉笔很短的时候仍能继续使用,节约资源,使粉笔能够被充分利用,适于广泛推广应用。
The utility model relates to a teaching appliance, in particular to powder-inadhesive chalk, which comprises a chalk container and chalk. The powder-inadhesive chalk is characterized in that the bottom of the chalk container is threadedly connected with a rotating disk. A telescopic rod is fixed to the central section of the rotating disk. The upper end of the telescopic rod is equipped with a notch for fixing the chalk. The inner wall of the upper end of the chalk container is equipped with an antiskid rubber ring. The powder-inadhesive chalk is simple in structure, convenient and practical. During use, the powder-inadhesive chalk will not smear hands and can still be used even when the chalk is very short in length, so that the resource is saved. Meanwhile, the chalk can be fully utilized. The powder-inadhesive chalk is suitable for being widely popularized and utilized.

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