Dust collection blackboard rack

A blackboard and board body technology, applied in the field of blackboard racks, can solve problems such as dead corners of sanitation, unfavorable health, air pollution, etc., and achieve the effect of rapid removal

Inactive Publication Date: 2015-06-10
HUBEI UNIV OF ARTS & SCI
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AI-Extracted Technical Summary

Problems solved by technology

[0002] The traditional blackboard stand is a sheet parallel to the bottom of the blackboard, used to catch the chalk dust scattered downward when people write with chalk and wip...
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Abstract

The invention provides a dust collection blackboard rack which comprises a rectangular box body parallel to the lower edge of a blackboard body, the box body is used for storing a proper amount of water, a small hole is formed in the top of the box body, a water outlet hole is formed in the side surface of the box body, and the inner bottom surface of the box body is an inclined surface. The chalk dust is absorbed by water when entering the box body through the small hole in the top of the box body, so that the chalk dust is effectively fixed. A piston of the water outlet hole on the side surface is opened when the dust collection blackboard rack is cleaned, the waste water with the chalk dust flows out of the water outlet hole along the inclined surface at the bottom of the box body, the waste water flowing out is received, and the device can be reused after clean water is changed through the small hole in the top.

Application Domain

Board cleaning devicesWriting boards

Technology Topic

PistonEngineering +4

Image

  • Dust collection blackboard rack

Examples

  • Experimental program(1)

Example Embodiment

[0008] figure 1 The chalk dust scattered downward from the blackboard body 1 will enter the interior of the box body 2 through the suction hole 3 on the top cover of the box body 2. At this time, there is an appropriate amount of water inside the box body 2 to absorb the entered chalk dust. , so that the scattered chalk dust is collected and fixed. When cleaning, open the piston of the water outlet hole 5 on the side of the box body 2, and the sewage with chalk dust will flow out of the box body 2 downward along the slope 4 at the bottom of the box, and catch the sewage with a sewage bucket at the water outlet hole 5 , when you use it again, just replace it with clean water from the suction hole 3.

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Description & Claims & Application Information

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