Multifunctional classroom blackboard

A multi-functional, classroom technology, applied to blackboard or slate cleaning devices, reusable writing boards, printing, etc., can solve problems such as single function, difficult handling, and inconvenient use, so as to increase flexibility and improve teaching Efficiency and workload reduction effect

Inactive Publication Date: 2017-05-24
刘金凤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a multi-functional classroom blackboard to solve the problems of difficult handling, inconvenient use and single function in the above-mentioned background technology

Method used

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  • Multifunctional classroom blackboard

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] see Figure 1-4 , an embodiment provided by the present invention: a multifunctional classroom blackboard, comprising a board frame 1, a board surface 2 and a telescopic device 12, blowing nozzles 3 are installed at the left and right ends of the board frame 1, and blowing nozzles 3 are installed below the blowing nozzles 3 Dryer 4, suspension device 9 is installed on the top of plate frame 1, threaded nail 10 is installed on the inside of suspension de...

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PUM

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Abstract

The invention discloses a multifunctional classroom blackboard. The multifunctional classroom blackboard comprises a board frame, board surfaces and a telescopic device, wherein blowing nozzles are mounted at the left end and right end of the board frame; a drier is mounted below each of the blowing nozzles; a suspending device is arranged above the board frame; each of the board surfaces is mounted on the inner side of the board frame, and a water injection nozzle is mounted above each board surface; outer rails are mounted at the upper end and lower end of the board surface; a liquid crystal display screen is mounted between two board surfaces, and movable board erasers are mounted on the left side and right side of the liquid crystal display screen; and the telescopic device is composed of a telescopic sleeve, a guide groove, a lead screw nut and a lead screw, and a coupling is arranged between the telescopic device and a motor. The multifunctional classroom blackboard disclosed by the invention is convenient to move and detach, so that the flexibility is increased. Meanwhile, the multifunctional classroom blackboard can automatically clean traces of the panel, so that the workload of teachers is alleviated, the time is shortened, and the electronic teaching property is enhanced. Moreover, the multifunctional classroom blackboard has the advantages of being simple to mount and convenient to replace inner cotton fibers and the like.

Description

technical field [0001] The invention relates to the technical field of teaching equipment, in particular to a multifunctional classroom blackboard. Background technique [0002] The blackboard does not specifically refer to the black board surface. In the traditional sense, it is a plane that can be written repeatedly. The board surface is hard and is mostly used for teaching. Made of wood or frosted glass, etc., you can write on it with specific writing materials such as chalk. Mostly black, dark green, white or beige. [0003] The blackboard has made great contributions to the dissemination of knowledge and popularization of education for mankind. The types of blackboards have also become more complex and diverse. In terms of shape, there are flat panels and arc panels. In terms of structure, there are movable panels, push-pull panels, lifting panels, and magnetic blackboards. In terms of uses, there are teaching blackboards and office whiteboards. Advertising boards, d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/06B43L21/00
CPCB43L1/06B43L21/00
Inventor 刘金凤
Owner 刘金凤
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