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Convenient and rapid writing board

A writing board, a convenient technology, applied in the industrial field, can solve the problems of difficult automation, human harm, time-consuming and labor-intensive, etc., and achieve the effects of reducing health risks, saving labor, and being easy to use

Inactive Publication Date: 2018-12-18
刘建华
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As an important tool in teaching work, chalk writing board has been maintained for a long time in the way of manual erasing. This method is time-consuming and laborious, and it is easy to generate a lot of dust, which is harmful to the human body. At the same time, in the case of increasingly important multimedia teaching, the curtain The use of blackboard screens is very frequent. Traditionally, the area occupied by the blackboard screen is too large, which is extremely unsightly, and it is difficult to realize automation. There are major disadvantages and need to be improved.

Method used

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  • Convenient and rapid writing board
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Embodiment Construction

[0019] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0020] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0021] Such as Figure 1-2 As shown, a convenient writing board of the device of the present invention includes a main box body 10 and a dust collecting device arranged in the main box body 10, the first rotating cavity 11 is provided in the main box body 10, and the main box body 10 The housing 10 is provided with an eighth rotating chamber 90 located at the lower side of the first rotating chamber 11, and the main housing 10 is provided wit...

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Abstract

The invention discloses a convenient and rapid writing board which comprises a main tank body and a dust collection device arranged in the main tank body; the main tank body is internally provided with a first rotation cavity, an eighth rotation cavity arranged on the lower side of the first rotation cavity, a fifth rotation cavity arranged on the lower side of the eighth rotation cavity, sixth rotation cavity arranged on the right side of the eighth rotation cavity, a second rotation cavity arranged on the upper side of the sixth rotation cavity, an erasing cavity which is arranged on the right side of the second rotation cavity and is provided with a downward opening, a ninth rotation cavity arranged on the right side of the erasing cavity and a fourth rotation cavity arranged on the lower side of the ninth rotation cavity.

Description

technical field [0001] The invention relates to the field of industrial technology, in particular to a convenient writing board. Background technique [0002] As an important tool in teaching work, chalk writing board has been maintained for a long time in the way of manual erasing. This method is time-consuming and laborious, and it is easy to generate a lot of dust, which is harmful to the human body. At the same time, in the case of increasingly important multimedia teaching, the curtain The use of blackboard screens is very frequent. Traditionally, the area occupied by blackboard curtains is too large, which is extremely unsightly, and it is difficult to automate. There are major disadvantages and need to be improved. Contents of the invention [0003] Aiming at the deficiencies of the above-mentioned technologies, the present invention proposes a convenient writing board. [0004] The present invention is a convenient writing board, comprising a main box body and a d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/04B43L21/02G09B5/02
CPCB43L1/04B43L21/02G09B5/02
Inventor 刘建华
Owner 刘建华
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