Cyclic utilization device for removing chalk dust by means of washing

A chalk and water washing technology is applied in the field of teaching appliances, which can solve the problems of inconvenience of students' study, hidden dangers to the health of teachers and students, and difficulty in cleaning the powder of chalk, and achieves the effects of simple structure, prevention of powder flying, and health protection.

Inactive Publication Date: 2016-06-15
尹全宝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In daily teaching, the blackboard eraser is an indispensable teaching tool. Teachers and students get covered in dust when they wipe the blackboard, and they can’t clean it. If it goes on for a long time, it will bring hidden dangers to the health of teachers and students, and teachers’ occupational diseases ——The source of chronic pharyngitis is long-term exposure to chalk dust, which is caused by inhaling too much dust, and it is difficult to clean after the chalk powder falls on the ground, which brings inconvenience to students' learning

Method used

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  • Cyclic utilization device for removing chalk dust by means of washing
  • Cyclic utilization device for removing chalk dust by means of washing

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Embodiment Construction

[0009] Such as figure 1 , 2 Shown, the present invention comprises blackboard 1, pulley 4, slide rail 5, tube type wiper 2 and water pump 7, is characterized in that, is provided with slide rail 5 at blackboard 1 both sides, and described tube type wiper 2 two ends are provided with The slide rail 5 matches the pulley 4, and the tubular wiper 2 can move up and down. A row of horizontally arranged water spray holes 6 is arranged on the side of the tubular wiper 2 facing the blackboard 1. One end of the tubular wiper 2 and the water pump 7 pass through the pipeline Connection, a hand rest cover 3 is fixed on the outside of the tube-type wiper 2, a water collection tank 8 is placed under the blackboard 1, and a side of the water collection tank 8 is connected to the side of the filter device 9 through a pipeline, and the filter device 9 is in addition One side is connected with water pump 7 by pipeline.

[0010] Through the above settings, when the present invention is in use, ...

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PUM

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Abstract

The invention discloses a recycling device for washing and removing chalk dust. The pulley matched with the slide rail, the pipe wiper can move up and down, a row of water spray holes arranged horizontally is arranged on the side of the pipe wiper facing the blackboard, one end of the pipe wiper is connected with the water pump through a pipeline, A hand rest cover is fixed, and a water collection tank is placed under the blackboard, which is connected to one side of the filter device through a pipeline under one side of the water collection tank, and the other side of the filter device is connected to a water pump through a pipeline. The invention has the advantages of simple structure and convenient use, and the powdered chalk is adsorbed in water by washing, which effectively prevents the phenomenon of flying powder and protects the health of teachers and students.

Description

technical field [0001] The invention relates to teaching tools, in particular to a water-washing and chalk powder recycling device. Background technique [0002] In daily teaching, the blackboard eraser is an indispensable teaching tool. Teachers and students get covered in dust when they wipe the blackboard, and they can’t clean it. If it goes on for a long time, it will bring hidden dangers to the health of teachers and students, and teachers’ occupational diseases ——The source of chronic pharyngitis is long-term exposure to chalk dust, which is caused by inhaling too much dust, and it is difficult to clean after the chalk powder falls on the ground, which brings inconvenience to students' learning. Contents of the invention [0003] The object of the present invention is to provide a recycling device for washing and removing chalk powder. [0004] In order to achieve the above object, the present invention includes a blackboard, a pulley, a slide rail, a pipe wiper and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/04B43L21/02
CPCB43L1/04B43L21/02
Inventor 尹全宝
Owner 尹全宝
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