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A dust-free blackboard eraser

A blackboard eraser and blackboard technology, applied in the field of teaching equipment, can solve the problems of teachers and students' health hazards, flying dust, shoulder injuries, etc., and achieve the effect of preventing shoulder and waist diseases, preventing flying, and simple structure

Inactive Publication Date: 2015-10-28
南宁市新秀学校
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the traditional blackboard eraser wipes the blackboard, it often causes dust to fly, which has caused great harm to the health of teachers and students, especially for teachers, long-term exposure to high-density dust environments will cause diseases such as pneumoconiosis; at the same time, long-term Using the blackboard, due to the constant force on the shoulders, will cause shoulder injuries, resulting in frozen shoulder, etc.

Method used

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  • A dust-free blackboard eraser
  • A dust-free blackboard eraser
  • A dust-free blackboard eraser

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0020] Such as Figure 1~3 As shown, the present invention provides a dust-free blackboard eraser, including: a dust-free blackboard eraser, including: a cleaning part 3, a driving part 9, a dust suction part, an installation box and a detection part.

[0021] The cleaning part 3 is made of a scouring pad, and a plurality of evenly distributed protrusions 12 are arranged on one side of the cleaning part 3. The cleaning part 3 is used to clean the surface of the blackboard; the driving part 9 is a micro motor, and the micro motor 9 is fixed on the On the fixed plate 8, the cleaning part 3 is detachably installed on the drive shaft of the micro motor 9, and the micro motor 9 drives the cleaning part 3 to move; The suction pipe 5, one end of the suction pipe 5 is fixed on the f...

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Abstract

The invention discloses a dustless blackboard eraser which comprises a cleaning portion, a dust collection portion and a driving portion. The cleaning portion is made by a scouping pad, multiple uniformly-distributed protrusions are arranged on one face of the cleaning portion, the cleaning portion is used for cleaning the surface of a blackboard, the dust collection portion comprises a vacuum suction device and a suction pipe communicated with the vacuum suction device, one end of the suction pipe is fixed on a fixing plate, the suction pipe is a hose, the driving portion is fixed on the fixing plate and drives the cleaning portion to move, and the cleaning portion is detachably mounted on a driving shaft of the driving portion. The dustless blackboard eraser is simple in structure and convenient to use and has wide application space in actual life and production.

Description

technical field [0001] The invention relates to a dust-free blackboard eraser, belonging to the field of teaching appliances. Background technique [0002] When the traditional blackboard eraser wipes the blackboard, it often causes dust to fly, which has caused great harm to the health of teachers and students, especially for teachers, long-term exposure to high-density dust environments will cause diseases such as pneumoconiosis; at the same time, long-term Using the blackboard, due to the continuous force of the shoulders, will cause shoulder injuries, resulting in frozen shoulder and so on. Contents of the invention [0003] The invention designs and develops a dust-free blackboard eraser. It can not only absorb the dust generated when wiping the blackboard, but also clean the surface of the blackboard very labor-saving. [0004] The technical scheme provided by the invention is: [0005] A dust-free blackboard eraser, comprising: [0006] A cleaning part, which is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B43L21/00B43L21/02
Inventor 黄泳杰
Owner 南宁市新秀学校
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