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Electric blackboard

A blackboard and electric technology, which is applied in the field of blackboards, can solve the problems that the blackboard cannot be scrolled normally, affects the normal use of the blackboard, and the reel is stuck, etc., and achieves the effect of simple structure, low cost and convenient operation

Inactive Publication Date: 2014-01-08
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the existing technology, when the roller rotates, it is easy to slip with the blackboard, causing the blackboard to not be scrolled normally, and the blackboard is prone to tilt when the roller drives the blackboard to scroll, so that the end of the roller is stuck, which affects the blackboard. The technical problem of normal use, the invention provides an electric blackboard, which solves the above technical problem through the cooperation of the gear and the blackboard bayonet

Method used

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Embodiment Construction

[0030] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0031] figure 1 Is the left side view of the present invention, image 3 Is the main view of the present invention; figure 1 with image 3 As shown, the electric blackboard of the present invention includes a blackboard surface 1, a backing plate arranged in the middle of the blackboard surface 1, upper and lower blackboard reels 3a, 3b for scrolling the blackboard, a motor 5 that drives the blackboard reel, a control switch I10, and The blackboard eraser device 7 and the chalk ash connection groove 9 are fixedly provided with gears 16 at both ends of one of the upper and lower blackboard reels 3a, 3b, and gears 16 are provided on both sides of the blackboard surface 1 to cooperate with the gears 16 The bayonet 13. In this embodiment, the gears 16 are arranged at both ends of the upper blackboard reel 3a.

[0032] Such as figure 1 with figure ...

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Abstract

An electric black board includes a blackboard face, a lining plate, an upper blackboard reel, a lower blackboard reel, a motor, a control switch I, blackboard eraser devices and chalk dust catching grooves, wherein the lining plate is arranged in the middle of the blackboard face, the upper blackboard reel and the lower blackboard reel are used for reeling the blackboard face to rotate, and the motor is used for driving the upper blackboard reel and the lower blackboard reel to rotate; the two ends of one of the upper blackboard reel and the lower blackboard reel are fixedly provided with gears, and the two sides of the blackboard face are provided with bayonets matched with the gears.

Description

Technical field [0001] The invention relates to a blackboard, in particular to an electric blackboard that can be wiped automatically. Background technique [0002] When the traditional blackboard is used, the teacher needs to wipe it manually after writing a blackboard before it can be reused. The wipe process is often dusty, which causes serious harm to the teacher’s respiratory tract, affects the teacher’s health, and also Polluted the classroom environment. At the same time, the process of wiping and manually pushing and pulling multiple blackboards is time-consuming and laborious, which not only wastes class time, but also wastes a lot of physical strength of teachers. In addition, when the teacher is writing on the blackboard, due to individual differences in height, the hand raised is either too high or too low, tiptoes or hunchback, which makes the class too tiring. On the blackboard, there are always dead spots that are out of reach, and there are always places where t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/08B43L21/00
Inventor 裴苹汀焦国盈
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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