Blackboard with automatic dust collection eraser

A dust collecting board and blackboard technology, applied in the field of teaching blackboards, can solve the problems of difficulty in erasing chalk words, dust pollution, labor and other problems, and achieve the effect of being beneficial to health.

Active Publication Date: 2015-02-11
山东上禾中创科技成果转化有限公司
View PDF10 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of blackboard teaching is that it is difficult to erase chalk characters. Usually, erasing the chalk characters written on the blackboard is not only time-consuming and laborious, but also serious dust pollution.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Blackboard with automatic dust collection eraser
  • Blackboard with automatic dust collection eraser
  • Blackboard with automatic dust collection eraser

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0030] Such as Figure 1 to Figure 6 As shown, a blackboard with an automatic dust collection eraser comprises a blackboard body 3, an upper horizontal slide rail 4 and a lower horizontal slide rail 9 are respectively arranged on the upper and lower edges of the blackboard body 3, and the upper horizontal slide rail 9 An eraser device 2 is provided between the rail 4 and the lower horizontal slide rail 9. The eraser device 2 includes an electric roller brush 12, a roller brush shaft 11, a floating support mechanism 16 and a dust cover 17 set outside the electric roller brush 12. , the electric roller brush 12 is mounted on the roller brush shaft 11, and the roller brush shaft 11 is slidably connected to the upper an...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a blackboard for teaching, in particular to a blackboard with an automatic dust collection eraser. The blackboard comprises a blackboard body and is characterized in that horizontal sliding tracks are arranged on the upper edge and the lower edge of the blackboard body, and an eraser device is arranged between an upper horizontal sliding track and a lower horizontal sliding track. The eraser device comprises an electric rolling brush, a floating supporting mechanism and a dust cover sleeved outside the electric rolling brush. A rolling brush shaft is connected on the upper horizontal sliding track and the lower horizontal sliding track in a sliding mode through the floating supporting mechanism. The upper end of the rolling brush shaft is provided with a gear motor, a control handle is arranged on the dust cover, and a control switch is arranged in the control handle. The lower end of the dust cover is further provided with a dust collection box, a dust collection fan blade is arranged at the lower end of the rolling brush shaft, and a dust collection cloth bag is arranged at the lower end of the dust collection box. The blackboard has the advantage that the electric rolling brush is used for erasing the blackboard, and labor and time are saved; dust is collected automatically, an environment is not polluted, and the blackboard is favorable for body health of teachers; and an erasing area can be selected flexibly and manually.

Description

technical field [0001] The invention relates to a teaching blackboard, in particular to a blackboard with an automatic dust-collecting eraser. Background technique [0002] As we all know, the blackboard is an indispensable teaching aid in our daily study. Whether it is a primary school or a university, blackboards will be used. Although modern teaching uses a large number of multimedia facilities, and multimedia teaching has the characteristics of fast and large amount of information. However, it does not adapt to the learning habits of students. In terms of teaching effect, it is often inferior to traditional blackboard teaching. However, the disadvantage of blackboard teaching is that it is difficult to erase chalk characters. Usually, erasing the chalk characters we write on the blackboard is not only time-consuming and laborious, but also serious dust pollution. Contents of the invention [0003] The invention aims at the deficiencies of the prior art, and provides a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): B43L1/04B43L21/02
Inventor 皮光明
Owner 山东上禾中创科技成果转化有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap