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Chalk eraser with dust collecting function

A chalk wiper and vacuum cleaner technology, applied in the field of teaching equipment, can solve people's physical and mental health problems, sticking to clothes, dust inhalation and other problems, and achieve the effect of protecting physical and mental health, low cost and simple structure

Inactive Publication Date: 2015-04-29
何传爽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] People often need to use chalk erasers to erase the chalk characters on the blackboard in their teaching life, but when wiping, the dust is easily inhaled by people or sticks to their clothes, which causes great hidden dangers to people's physical and mental health.

Method used

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  • Chalk eraser with dust collecting function

Examples

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Comparison scheme
Effect test

Embodiment Construction

[0012] Accompanying drawing is the specific embodiment of the present invention.

[0013] like figure 1 The dust-absorbing blackboard eraser of the present invention shown includes a body 1, and one side of the body 1 is arranged

[0014] There is a wiping body 2, a vacuum cleaner 3 is provided between the main body 1 and the wiping body 2, a dust storage box 4 is provided inside the main body 1, and a flip cover 5 is provided on one side of the main body 1.

[0015] When wiping the blackboard, turn on the switch of the vacuum cleaner 3, and the dust collector 3 will inhale the wiped dust into the dust storage box 4. When the chalk dust in the dust storage box 4 is full, open the flip cover 5, pour the dust and continue to use.

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Abstract

The invention belongs to the technical field of teaching tools and particularly relates to a chalk eraser with a dust collecting function. The chalk eraser comprises a body. An erasing element is arranged on one side of the body. The chalk eraser is characterized in that a dust collector is arranged between the body and the erasing element, a dust storage box is arranged in the body, and a turnover cover is arranged on one side of the body. The chalk eraser is simple in structure, convenient to use, effective in protecting people from breathing in the dust and keeping people health, low in production cost and convenient to promote and apply.

Description

(1) Technical field [0001] The invention relates to a dust-absorbing chalk eraser, which belongs to the technical field of teaching appliances. (2) Background technology [0002] People often need to use chalk wipes to wipe off the chalk characters on the blackboard in teaching life, but the dust is easy to be inhaled by people or stick to clothing when wiping, causing great hidden dangers to people's physical and mental health. (3) Contents of the invention [0003] In order to make up for the defects of the prior art, the present invention provides a dust-absorbing chalk eraser which is simple in structure, easy to use, and can effectively prevent chalk dust from being sucked in. [0004] The present invention is achieved through the following technical solutions: [0005] A dust-absorbing chalk eraser, comprising a main body, a wiping body is provided on one side of the main body, and the feature is that a vacuum cleaner is provided between the main body and the wiping...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L21/02
CPCB43L21/02
Inventor 何传爽
Owner 何传爽