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Auxiliary writing device for blackboard chalk writing on vertical face and use method thereof

A writing device and vertical surface technology, applied in writing utensils, writing utensils, writing connectors, etc., can solve the problems of inconvenient storage and movement of writing devices, writing tilt, etc., and achieve convenient fixing and quick replacement, convenient adjustment and operation, The effect of convenient installation and removal

Active Publication Date: 2020-09-22
南京掌学在线信息科技有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that there is a certain degree of inclination in writing in the prior art, which causes the end of the chalk to be rotated and replaced, and it is inconvenient to store and move the writing device. Writing device and method thereof

Method used

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  • Auxiliary writing device for blackboard chalk writing on vertical face and use method thereof
  • Auxiliary writing device for blackboard chalk writing on vertical face and use method thereof
  • Auxiliary writing device for blackboard chalk writing on vertical face and use method thereof

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Embodiment Construction

[0032] 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.

[0033] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

[0034] refer to Figure ...

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Abstract

The invention discloses an auxiliary writing device for blackboard chalk writing on a vertical face and a use method thereof and belongs to the field of teaching. The auxiliary writing device for blackboard chalk writing on the vertical face comprises a display board, a rolling bearing, a moving shaft and an annular sleeve. A stand column is connected to the outer wall of the display board. The outer wall of the stand column is connected with a connection plate. The stand column and the connection plate are connected in a welded manner. A fixing rod penetrates through the inner side of the connection plate. The end of the fixing rod is provided with a connection plate. The edge side of the connection plate is provided with a strip-shaped plate. The connection plate and the strip-shaped plate are connected in a glued manner. A sliding rail is arranged inside the strip-shaped plate. A sliding block is arranged inside the sliding rail. The top of the sliding block is provided with a shell. The sliding block and the shell are connected in a welded manner. A spring is arranged inside the shell. The end of the spring is connected with a squeezing block. According to the auxiliary writingdevice and method for blackboard chalk writing on the vertical face, the end of a chalk is conveniently and rapidly rotated and exchanged according to needs, and the writing device is convenient to store and move.

Description

technical field [0001] The invention relates to the technical field of blackboard writing auxiliary writing, in particular to a chalk blackboard writing auxiliary writing device on a vertical surface and a method thereof. Background technique [0002] Chalk writing on the blackboard is a writing method widely used in school education. Chalk writing on the blackboard has many advantages in practical application. It is convenient for students to read the words on the blackboard clearly. Chalk dust spills, and the teacher's respiratory tract is affected to a certain extent, thereby needs to innovate the writing of traditional chalk blackboard writing, invents a kind of chalk blackboard auxiliary writing device. [0003] After retrieval, the Chinese patent authorization number is CN201910834591.5, which discloses a chalk writing auxiliary writing tool on a vertical surface, including a chalk rod. The chalk rod includes a writing end and a supplementary pen end. The writing end ...

Claims

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Application Information

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IPC IPC(8): B43K23/016B43L13/00
CPCB43K23/016B43L13/004
Inventor 文祥荣
Owner 南京掌学在线信息科技有限公司
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