Special wrapping sleeve for round eraser for removing eraser crumbs and using method

Abstract

The invention relates to the technical field of stationery, and particularly relates to a special wrapping sleeve for a round eraser for removing eraser crumbs and a using method. The special wrappingsleeve is formed by combining a round sleeve and a sealing cover, cylindrical cavities are formed in the upper side and the lower side of the interior of the round sleeve correspondingly, pistons aremovably sleeved with the cylindrical cavities, and one sides of the pistons are fixedly connected with one ends of universal driving shafts, the other ends of the two universal driving shafts penetrate through one side of the round sleeve and are fixedly connected with the upper end and the lower end of one side of the sealing cover, a hollow shaft is inserted into a bearing embedded in one sideof the inner wall of the round sleeve, a hollow sleeve is welded to one side of the bearing, one end of the hollow shaft penetrates through the hollow sleeve, and a gear is sleeved with the hollow shaft and located in the hollow sleeve. According to the special wrapping sleeve for the round eraser for removing the eraser crumbs and the using method, the eraser is partially exposed out of the roundsleeve and is directly pushed on the paper surface, at the moment, the eraser can rotate while erasing wrongly written characters, when the eraser rotates, the surface of the eraser can rub a wrapping piece, therefore, eraser crumb strips can be removed in time, and the defects caused by digging with hands and reusing are avoided.

Description

[0001] This application is a divisional application with the application date being November 10, 2018, and the application number being CN201911091537.2, whose invention name is a special package for a round eraser that removes dandruff. technical field [0002] The invention relates to the technical field of stationery, in particular to a special wrapper for a round eraser for removing dandruff and a use method thereof. Background technique [0003] Primary school students often have typos when they are learning to write. Ballpoint pens are not suitable for primary school students. After using a pencil, they can be wiped clean with an eraser after errors occur, which is convenient for modification. [0004] After the round eraser is used, its surface will knead a lot of mud strips under the action of friction. There are many pencil dusts attached to these mud sticks. If they are not removed, it will affect the appearance on the one hand. When it is used again, when the penc...

AI Technical Summary

Problems solved by technology

[0006] Aiming at the deficiencies of the prior art, the present invention provides a special package for a round eraser that removes dandruff, which solves the problem that the mud strip on the round eraser affects the normal use of the eraser

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