Environment-friendly blackboard eraser and blackboard assembly using the environment-friendly blackboard eraser

An environmentally friendly blackboard and blackboard eraser technology, applied in the fields of blackboards, blackboard erasers, and teaching appliances, can solve the problems of unhealthy students and teachers, endangering their health, and time-consuming use, and achieves high wiping efficiency, pollution reduction, and good effect. Effect

Inactive Publication Date: 2018-09-25
WUHAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the existing blackboard eraser is used to wipe the blackboard, the dust is flying everywhere, polluting the environment, long-term inhalation of dust is harmful to the health of students and teachers, and even causes occupational diseases of teachers, and it is time-consuming, laborious, inefficient, and harmful to health

Method used

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  • Environment-friendly blackboard eraser and blackboard assembly using the environment-friendly blackboard eraser
  • Environment-friendly blackboard eraser and blackboard assembly using the environment-friendly blackboard eraser
  • Environment-friendly blackboard eraser and blackboard assembly using the environment-friendly blackboard eraser

Examples

Experimental program
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Effect test

Embodiment 1

[0050] like figure 1 As shown, the environment-friendly blackboard eraser 100 provided by Embodiment 1 of the present invention is used in conjunction with a sliding blackboard 52 or a push-pull blackboard.

[0051] The specific structure of each component of the environmental-friendly blackboard eraser 100 and the corresponding relationship among them will be described in detail below.

[0052] Firstly, the specific structure of the blackboard eraser body 10 will be introduced in detail. Please refer to figure 2 and image 3 As shown, the blackboard eraser body 10 is an elongated structure and includes an erasing part 13 and a connecting part 16 , the erasing part 13 is used for erasing writing on the blackboard, and the connecting part 16 is used for connecting with the fixing part 20 .

[0053] In Embodiment 1 of the present invention, the erasing part 13 and the connecting part 16 of the blackboard eraser body 10 are integrally formed, the cross-sectional shape of the ...

Embodiment 2

[0083] Embodiment 2 of the present invention provides a blackboard assembly 50 using the environmentally friendly blackboard eraser 100, please refer to Figure 11 As shown, the blackboard assembly 50 includes at least two sliding blackboards 52 with adjustable positions and the environmental-friendly blackboard eraser 100 of the first embodiment above.

[0084] The sliding blackboard 52 is provided with a corresponding top plate 54 and a bottom plate 56, the fixing seat 30 of the environmental protection blackboard eraser 100 is fixedly arranged between the top plate 54 and the bottom plate 56, and the first fixing seat 31 is fixedly arranged on the top plate 54, and the second fixing seat 36 is arranged on the base plate 56, and the environmentally friendly blackboard eraser 100 can be rotated so as to adjust the pressing force between the blackboard eraser body 10 and the blackboard.

[0085]In another way, the blackboard is provided with a corresponding left side board and...

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Abstract

The invention discloses an environment-friendly blackboard eraser and a blackboard assembly using the environment-friendly blackboard eraser, and relates to the field of teaching tools, in particular to the technical field of blackboards and blackboard erasers. An environment-friendly blackboard eraser is used in conjunction with a sliding blackboard or a push-pull blackboard, and includes a blackboard eraser body, a fixing piece and a fixing seat. The blackboard eraser body is detachably arranged on the fixing part, and the fixing part is connected with the fixing seat. The fixing seat can be fixedly arranged on the fixing plate of the sliding blackboard and can adjust the pressing force between the blackboard eraser body and the blackboard. The blackboard assembly includes at least two sliding blackboards with adjustable positions and the above-mentioned environment-friendly blackboard eraser. The sliding blackboard includes a top board and a bottom board, the environmentally friendly blackboard eraser is fixedly arranged between the top board and the bottom board and the blackboard eraser body can be set facing the sliding blackboard. The invention has reasonable design, simple structure, easy replacement and cleaning, high wiping efficiency, saves time, is not easy to raise dust, and reduces harm.

Description

technical field [0001] The present invention relates to the field of teaching tools, in particular to the technical field of blackboards and blackboard erasers, in particular to an environment-friendly blackboard eraser and a blackboard assembly using the environment-friendly blackboard eraser. Background technique [0002] Blackboard and blackboard eraser are indispensable teaching tools in teaching work. Using blackboard eraser can erase the writing on the blackboard, and can write and erase repeatedly on the blackboard. [0003] When the existing blackboard eraser is used to wipe the blackboard, the dust is flying everywhere, polluting the environment, long-term inhalation of dust is harmful to the health of students and teachers, and even causes occupational diseases of teachers, and it is time-consuming, laborious, inefficient, and harmful to health. [0004] In summary, designing an environment-friendly blackboard eraser is a technical problem to be solved urgently by ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B43L21/00B43L21/04
CPCB43L21/00B43L21/04
Inventor 桂慧孙亮波
Owner WUHAN POLYTECHNIC UNIVERSITY
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