Handheld electric blackboard eraser

A blackboard eraser and hand-held technology, applied in the field of blackboard erasers, can solve problems such as affecting the health of teachers, easy inhalation of teachers, time-consuming and labor-intensive, etc., and achieve the effect of ensuring physical health.

Inactive Publication Date: 2015-05-27
杜鹏飞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The classroom is a sacred hall for teaching and educating people. Every student should respect our hard-working teacher. When teaching, the teacher gives examples on the blackboard while lecturing. Therefore, there is a lot of dust in the process of wiping the blackboard, which is easy for the teacher to inhale, which affects the health of the teacher. Moreover, it is time-consuming and laborious to wipe the blackboard back and forth with hands.

Method used

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  • Handheld electric blackboard eraser

Examples

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Embodiment Construction

[0008] The hand-held electric blackboard eraser is characterized in that it consists of a rotary eraser head 1, a self-suction fan 2, a DC motor 3, a storage battery 4, a dust container 5, and a switch 6. Self-suction fan 2 and rotating sassafras head 1 are installed on the shaft of DC motor 3.

[0009] When a teacher or a student is wiping the blackboard, turn on the switch motor 3 to work, and drive the rotating wiping head 1 to easily wipe the blackboard clean, and the dust that is wiped off is collected in the dust collector through the self-suction fan 2. Clean and hygienic, but also to ensure the health of teachers, economical and practical worth promoting.

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PUM

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Abstract

Disclosed is a handheld electric blackboard eraser. The handheld electric blackboard eraser is characterized by comprising a rotary eraser head 1, a self-sucking fan 2, a DC (direct current) motor 3, a storage battery 4, a dust collecting container 5 and a switch 6. The self-sucking fan and the rotary eraser head are mounted on the shaft of the motor. When erasing a blackboard, a teacher or student can switch on the motor to work to drive the rotary eraser head to easily clean the blackboard; cleaned dust can be collected inside the dust collecting container through the self-sucking fan. Therefore, cleanliness and sanitation can be obtained, and body health of teachers can be ensured. The handheld electric blackboard eraser is economical, practical and worth popularizing.

Description

technical field [0001] The invention relates to a blackboard eraser, in particular to a hand-held electric blackboard eraser. Background technique [0002] The classroom is a sacred hall for teaching and educating people. Every student should respect our hard-working teacher. When teaching, the teacher gives examples on the blackboard while lecturing. Therefore, there is a lot of dust in the process of wiping the blackboard, which is easy for the teacher to inhale, which affects the health of the teacher, and it is time-consuming and laborious to wipe the blackboard back and forth with hands. Contents of the invention [0003] The purpose of the present invention is to overcome the disadvantages of the above-mentioned prior art, and to provide a hand-held electric blackboard eraser. [0004] The present invention is achieved through the following technical solutions; [0005] A hand-held electric blackboard eraser is characterized by comprising a rotating eraser head 1, ...

Claims

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Application Information

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