Environment-friendly blackboard eraser with air purifying function

An air-purifying and environment-friendly technology, applied in the field of teaching tools, can solve problems such as lung discomfort, inhalation, classroom environment pollution, etc., and achieve the effect of convenient replacement.

Inactive Publication Date: 2017-02-22
SHUYANG JIANFENG SCI & EDUCATION EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] As we all know, chalk is used in conjunction with the blackboard. Chalk has the characteristics of clear fonts and easy cleaning. However, when the blackboard needs to be cleaned, it is easy to cause chalk dust to fly all over the sky, causing serious environmental pollution in the classroom. The human body inhales dust for a long time, causing lung unwell

Method used

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  • Environment-friendly blackboard eraser with air purifying function

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Embodiment Construction

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. 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.

[0014] see figure 1 , the embodiment of the present invention includes:

[0015] An environment-friendly blackboard brush with the function of purifying air, comprising a brush body 1 and a spraying device, the spraying device is arranged on one side of the brush body 1, and the brush body 1 includes an upper casing 11, a cotton brush 2 and a small suction Air device 3, a partition 3 is arranged in the middle of the upper casing 11, and the upper sealing chamber 12 and the outer chamber 13 are separated by the upper...

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Abstract

The invention discloses an environment-friendly blackboard eraser with the air purifying function. The environment-friendly blackboard eraser comprises a blackboard eraser body and a spray device; the spray device is arranged at one side of the blackboard eraser body; the blackboard eraser body comprises an upper shell, a cotton brush and a small dust collector, a partition plate is arranged in the middle in the upper shell and partitions the upper shell into an upper seal cavity and an outer cavity, the cotton brush adheres into the outer cavity below the partition plate, the small dust collector is arranged in the seal cavity, the suction end of the small dust collector is provided with an air inlet pipe, and the inlet end of the air inlet pipe is introduced into the outer cavity through the upper seal cavity. By means of the mode, the environment-friendly blackboard eraser with the air purifying function has the dual functions of seal dust collection and air purification, the cotton brush and the blackboard eraser body are movably connected, the worn cotton brush can be replaced conveniently, and the blackboard eraser can be used repeatedly and has the advantages of economization and environmental protection.

Description

technical field [0001] The invention relates to teaching tools, in particular to an environment-friendly blackboard brush with the function of purifying air. Background technique [0002] Commonly used and necessary teaching tools in blackboard teaching. With the rapid development of modern teaching aids, there are more and more applications of electronic whiteboards or multimedia teaching, but as the most basic teaching aids, the application of blackboards has not decreased. [0003] As we all know, chalk is used in conjunction with the blackboard. Chalk has the characteristics of clear fonts and easy cleaning. However, when the blackboard needs to be cleaned, it is easy to cause chalk dust to fly all over the sky, causing serious environmental pollution in the classroom. The human body inhales dust for a long time, causing lung discomfort. Contents of the invention [0004] The technical problem mainly solved by the present invention is to provide an environment-friend...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L21/02
CPCB43L21/02
Inventor 李剑峰
Owner SHUYANG JIANFENG SCI & EDUCATION EQUIP CO LTD
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