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Telescopic blackboard eraser for school

A telescopic blackboard wiper technology, applied in the field of school supplies, can solve the problems of inconvenient use, low work efficiency, and long wiping time of blackboard wipers, and achieve the effect of quick adjustment and wiping, high work efficiency, and clean wiping

Inactive Publication Date: 2015-10-28
ZHENGZHOU DANDIAN TECH SOFTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing blackboard wiper is inconvenient to use, and the wiping time is long, the work efficiency is low, and the operation is complicated

Method used

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  • Telescopic blackboard eraser for school

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Embodiment Construction

[0012] In order to make the object, technical solution and advantages of the present invention clearer, the present invention is described below through specific embodiments shown in the accompanying drawings. It should be understood, however, that these descriptions are exemplary only and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0013] Such as figure 1 As shown, this specific embodiment adopts the following technical solutions: it includes a housing one 1, a housing two 2, a scraper 3, a wiping cloth 4, a biaxial retractor 5, a vacuum motor 6, a controller 7, and an operation panel 8 , the hitch frame 9; the housing one 1 and the housing two 2 are connected by two biaxial telescoping devices 5, and a vacuum motor 6 is installed between the two biaxial telescoping devices 5, and the t...

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PUM

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Abstract

The invention discloses a telescopic blackboard eraser for a school, and relates to the technical field of school supplies. A first shell and a second shell are connected through two two-shaft expansion pieces. A dust collection motor is arranged between the two two-shaft expansion pieces. A controller, a control panel and a hooking rack are arranged outside the two two-shaft expansion pieces. The control panel is connected with the input end of the controller, and the output end of the controller is connected with the two two-shaft expansion pieces. The first shell and the second shell are each provided with a scraper. Wiping cloth is arranged on one side of each scraper. According to the telescopic blackboard eraser, rapid adjustment and wiping can be conveniently completed, wiping is clean, dust is not prone to generating, and work efficiency is high.

Description

Technical field: [0001] The invention relates to a retractable blackboard eraser for schools, which belongs to the technical field of school supplies. Background technique: [0002] School supplies refer to the main teaching and supplies used by students and teachers of various kindergartens, early education institutions, primary schools, junior high schools, senior high schools, technical secondary schools, junior colleges, universities, and various vocational schools, staff universities, party schools, TV universities, etc. during school. Living facilities and equipment. Since this is a new thing, there is no authoritative organization that has given an accurate definition. It implements standards for the toy industry, furniture industry, and sports equipment. Its main functions are: in the process of use, it can effectively exercise the bodies of teachers and students, effectively increase the interest of courses, create a better learning and living environment, and thus...

Claims

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Application Information

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IPC IPC(8): B43L21/02
Inventor 桑园
Owner ZHENGZHOU DANDIAN TECH SOFTWARE
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