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Multifunctional blackboard

A multi-functional blackboard technology, applied in the field of teaching equipment, can solve problems such as delays, insufficient blackboard area, and impact on teaching, and achieve the effects of convenient use, reduced pollution, and increased writing area

Inactive Publication Date: 2016-11-23
谢苏业
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The blackboard is a tool that we must use in teaching, but the blackboard under the current technology has the following defects: sometimes the area of ​​the blackboard is not enough for a class, and it needs to be erased and rewritten. Connecting them in series, and wiping the blackboard in class will delay a lot of time and affect teaching

Method used

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Embodiment Construction

[0011] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment comprises two blackboards 1 inside and outside, the two sides of blackboard 1 are respectively inserted in the track 2, the bottom of track 2 is provided with baffle plate 3, the two sides of the upper end of blackboard 1 are respectively provided with spring latch 4, and track 2 is provided with several and spring latch 4. The jacks 5 that are compatible with each other, and the back of the blackboard 1 are covered with brushes 6 respectively.

[0012] Adopt a kind of multi-functional blackboard of the present invention, in the initial state, the inner and outer two blackboards 1 are respectively located at the bottom end of the track 2, and are blocked by the baffle 3; when the outer blackboard 1 is filled with writing, the outer blackboard can be pulled up 1. After lifting to a certain height as required, enough blackboard 1 inside is exposed, and the spring pin 4 is inser...

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PUM

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Abstract

The invention relates to a teaching appliance, in particular to a multifunctional blackboard. The multifunctional blackboard comprises an inner blackboard body and an outer blackboard body. The multifunctional blackboard is characterized in that the two sides of each blackboard body are inserted into a rail, baffles are arranged at the bottom of the rails, the two sides of the upper end of each blackboard body are each provided with a spring cotter, each rail is provided with a plurality of insertion holes matched with the spring cotters, and the back face of each blackbody body is fully covered with erasing bristles. The multifunctional blackboard has the advantages that the blackboard can be rapidly cleaned, chalk dust pollution is reduced, the writing area of the multifunctional blackboard is increased, use is convenient, and great convenience is brought to teaching work.

Description

(1) Technical field [0001] The invention relates to a teaching tool, in particular to a multifunctional blackboard. (2) Background technology [0002] The blackboard is a tool that we must use in teaching, but the blackboard under the current technology has the following defects: sometimes the area of ​​the blackboard is not enough for a class, and it needs to be erased and rewritten. Connecting them in series, and wiping the blackboard after class will delay a lot of time and affect teaching. (3) Contents of the invention [0003] In order to make up for the deficiencies of the prior art, the present invention provides a multifunctional blackboard with large area, convenient use and fast wiping. [0004] The present invention is achieved through the following technical solutions: [0005] A multifunctional blackboard, including two blackboards inside and outside, is characterized in that: the two sides of the blackboard are respectively inserted into the track, the bott...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/04B43L21/00
Inventor 谢苏业
Owner 谢苏业
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