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Teaching appliance

A teaching aid, a pair of technology, applied in the field of teaching aids, can solve the problems of manual erasing, time wasting, adverse effects on human health, etc., to achieve the effect of improving convenience and avoiding flying again

Inactive Publication Date: 2017-11-17
樊艳姣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the inconvenience of the traditional blackboard is that at the end of each class, or before writing on the blackboard needs to be rewritten, the chalk writing on the blackboard needs to be manually erased
On the one hand, it is a waste of time, and on the other hand, chalk dust is also likely to have adverse effects on human health.

Method used

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Effect test

Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0026] Such as figure 1 with figure 2 As shown, the present invention provides a kind of teaching implement, comprises: blackboard body; Sliding frame, it comprises a pair of first guide rail 1,2 that is arranged horizontally and the second guide rail 3 that is arranged vertically, and a pair of first guide rail is arranged on The outer sides of the upper and lower edges of the blackboard body 6, the second guide rails are slidably arranged on a pair of first guide rails; the eraser seat 4 is slidably arranged on the second guide rails; the eraser body 5 , which is arranged on the eraser seat, and when the second guide rail travels to the front side of the blackboard body, the eraser body remains in contact with the blackboard body; the first collecting tank 7 is connected ...

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Abstract

The invention discloses a teaching appliance. The teaching appliance comprises a blackboard body; a sliding frame; a blackboard eraser seat; a blackboard eraser body; a first collecting tank; a second collecting tank; a first driving mechanism; a second driving mechanism; and a control device. The sliding frame comprises a pair of first guide rails which are transversely arranged and a second guide rail which is vertically arranged; the first collecting tank is connected with the lower side part of the blackboard eraser seat, the opening of the first collecting tank faces the blackboard eraser body, the first collecting tank comprises a main body part made of hard plastic and a front sidewall made of rubber, when the blackboard eraser body makes contact with the blackboard body, the front sidewall makes close contact with the blackboard body; the second collecting tank is strip-shaped and is arranged along the lower edge of the blackboard body, the bottom and two sides of the second collecting tank are all covered by a layer of sponge body, and water is adsorbed in the sponge body; and the control device controls the first driving mechanism and the second driving mechanism to work alternatively. According to the invention, words written with chalk on the blackboard body can be automatically erased.

Description

technical field [0001] The invention relates to a teaching tool. Background technique [0002] Although electronic whiteboards are increasingly used in the field of classroom teaching, it is a time-consuming and laborious task to completely replace the equipment, and blackboards are still the most commonly used teaching aids. Especially for some teachers with many years of teaching experience, chalk writing on the blackboard has almost become an important part of their teaching. But the inconvenience of the traditional blackboard is that at the end of each class, or before writing on the blackboard needs to be rewritten, the chalk writing on the blackboard needs to be manually erased. On the one hand, it is a waste of time, and on the other hand, chalk dust is also likely to have adverse effects on human health. Contents of the invention [0003] The invention designs and develops a teaching tool. [0004] The technical scheme provided by the invention is: [0005] A t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/04B43L21/00
CPCB43L1/04B43L21/00
Inventor 樊艳姣
Owner 樊艳姣
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