Multifunctional blackboard eraser

A blackboard eraser, multi-functional technology, applied in the cleaning device of blackboard or slate, printing, office supplies, etc., can solve the problems of affecting hygiene and flying chalk dust everywhere.

Inactive Publication Date: 2009-03-04
赵臣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the existing blackboard is wiped, the c

Method used

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  • Multifunctional blackboard eraser

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Experimental program
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Embodiment Construction

[0010] Such as figure 1 Shown, a kind of multifunctional blackboard eraser, it comprises brush body 1 hairbrush 2 and fixed bracket 3, hairbrush 2 is connected with fixed bracket 3, fixed bracket 3 is positioned at brush body 1, is provided with motor 4 in brush body 1, Both sides of the motor 4 are respectively connected with a vortex fan blade 5 and a fan blade 6 through a rotating shaft, and a filter 7 is provided on the brush body 1, and the filter 7 is connected with the brush body 1 through a fixed holder 8, and the vortex fan blade 5 is connected with the brush body 1. The fixed support 3 is connected, and the brush body 1 near the brush 2 both sides is provided with a dust shield 9, and the brush body 1 is provided with a battery box 10 and a switch 11, and the switch 11 is connected with the battery box 10 and the motor 4 respectively by wires.

[0011] When in use, turn on the switch 11, the motor 4 drives the vortex fan blade 5 and the fan blade 6 to rotate, thereby...

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Abstract

The invention relates to a multifunctional blackboard eraser which comprises a brush and a fixing support. The brush is connected with the fixing support, the fixing support is positioned inside the brush body, an engine is arranged inside the brush body, a vortex type fan blade and a fan blade are respectively connected with two sides of the engine through rotating shafts, a filter is arranged on the brush body and connected with the brush body through the fixing support, the vortex type fan blade is connected with the fixing support, dust boards are arranged on the brush body in the positions close to the two sides of the brush, a battery box and a switch are arranged inside the brush body, and the switch is respectively connected with the battery box and the engine through wires. Because the structure is adopted, the engine can drive the brush and the fan blades to rotate only by powering on the switch, thereby achieving the effect of quickly cleaning the blackboard and collecting the dust.

Description

technical field [0001] The invention relates to an improvement of a teaching tool, in particular to a multifunctional blackboard eraser. Background technique [0002] When the existing blackboard is wiped and wiped, the chalk dust will fly everywhere, affecting hygiene. Contents of the invention [0003] The purpose of the present invention is to provide a multifunctional blackboard eraser, which can overcome the above-mentioned deficiencies in the prior art, integrate the functions of rotation, dust suction and filtering, so that the blackboard eraser will not cause chalk dust to fly everywhere when in use, and achieve The purpose of maintaining environmental sanitation. [0004] The purpose of the present invention is achieved in this way: a multifunctional blackboard eraser, which includes a brush body brush and a fixed bracket, the brush is connected to the fixed bracket, the fixed bracket is located in the brush body, a motor is arranged in the brush body, and the tw...

Claims

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Application Information

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IPC IPC(8): B43L21/02
Inventor 赵臣
Owner 赵臣
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