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Automatic chalk dust collector

An automatic chalking and chalking technology, applied in the field of teaching application, can solve problems such as injury of teachers and students, and achieve the effect of strong practicability and simple overall structure.

Inactive Publication Date: 2018-03-09
李舒鑫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the entire blackboard is filled with fonts, the blackboard needs to be wiped. At this time, chalk dust will fly in the classroom, which will cause different degrees of damage to teachers and students; how to deal with chalk dust is a problem that people need to consider

Method used

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  • Automatic chalk dust collector

Examples

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Embodiment Construction

[0010] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0011] see figure 1 , in the embodiment of the present invention, an automatic chalk making instrument, including a blackboard body 1, a first vacuum cleaner 2, a second vacuum cleaner 7, a third vacuum cleaner 5, a first hose 3, a second hose 8, a third hose 6 and the housing box 4; the first vacuum cleaner 2, the second vacuum cleaner 7 and the third vacuum cleaner 5 are fixedly installed on the left end, the right end and the upper end of the blackboard bod...

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PUM

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Abstract

The invention discloses an automatic chalk-making instrument, which comprises a blackboard body, a first vacuum cleaner, a second vacuum cleaner, a third vacuum cleaner, a first hose, a second hose, a third hose and a holding box; the first vacuum cleaner , the second vacuum cleaner and the third vacuum cleaner are fixedly installed on the left end, the right end and the upper end of the blackboard body respectively, and the first vacuum cleaner, the second vacuum cleaner and the third vacuum cleaner are respectively connected to the container through the first hose, the second hose and the third hose The box is connected; it arranges a plurality of vacuum cleaners on the blackboard, and discharges the dust inhaled by the vacuum cleaners into the containing box, which changes the situation in the prior art that the dust flies into the human respiratory tract when wiping the blackboard; The effect of cleanliness and sanitation is achieved.

Description

technical field [0001] The invention relates to the technical field of teaching application, in particular to an automatic chalk making instrument. Background technique [0002] Blackboard, as an indispensable teaching aid in the teaching process, is well known by people. After the entire blackboard is filled with fonts, the blackboard needs to be wiped. At this time, chalk dust will fly in the classroom, which will cause different degrees of damage to teachers and students; how to deal with chalk dust is a problem that people need to consider . Contents of the invention [0003] The prior art cannot satisfy people's needs, and in order to make up for the deficiencies of the prior art, the present invention aims to provide an automatic chalk making apparatus. [0004] To achieve this technical purpose, the solution of the present invention is: an automatic chalk making instrument, comprising a blackboard body, a first vacuum cleaner, a second vacuum cleaner, a third vacu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L21/02B43K19/00
CPCB43L21/02B43K19/003
Inventor 李舒鑫
Owner 李舒鑫
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