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Multifunctional blackboard

A multi-functional, blackboard technology, applied in the field of blackboards, can solve problems such as inconvenience in use, and achieve the effect of simplifying drawing operations, improving teaching efficiency and teaching quality

Inactive Publication Date: 2016-09-21
WUXI MIC IND DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In mathematics teaching, when drawing geometrically, it is often necessary to draw straight lines and arcs. At present, compasses are mainly used, which is inconvenient to use

Method used

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Experimental program
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Embodiment Construction

[0014] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0015] like figure 1 , figure 2 As shown, in the multifunctional blackboard of this embodiment, slide rails 1 are installed at the upper and lower ends of the blackboard 100, and a drawing assembly is slidably installed between the upper and lower slide rails 1; the drawing assembly includes a laterally moving main shaft 3 with rollers 2 installed at both ends There is a first chute 31 extending axially on the laterally moving main shaft 3, a first rotating arm 4 is installed sliding up and down in the first chute 31, and a first rotating shaft 5 is rotatably installed on one end of the first rotating arm 4. The rotating shaft 5 is slidably installed in the first chute 31, and the other end of the first rotating arm 4 has a first socket 41 for inserting chalk. It can be completely accommodated in the first chute 31; the first rotating arm...

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PUM

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Abstract

The invention relates to a multifunctional blackboard. Sliding rails are mounted at the upper end and the lower end of the blackboard. A drawing assembly is mounted between the upper sliding rail and the lower sliding rail in a sliding manner. The drawing assembly comprises a transversely-moving main shaft, wherein rolling wheels are mounted at the two ends of the transversely-moving main shaft; the transversely-moving main shaft is provided with a first sliding groove extending in the axial direction; a first rotating arm is slidingly mounted in the first sliding groove in the vertical direction; the first rotating arm is provided with a second sliding groove; and a second rotating arm is mounted in the second sliding groove in a sliding manner. The transversely-moving main shaft is provided with a third sliding groove which is in parallel with the first sliding groove and penetrates through the front side and the rear side. A sliding block is mounted in the third sliding groove in a sliding manner. Third insertion holes for allowing chalk to be inserted therein are formed in the sliding block in a uniformly-spaced manner in the vertical direction. It is quite convenient to use the blackboard to draw an arc line, a straight line and patterns of four-line-and-three-lattice; and compared with drawing conducted with a traditional drawing board and compasses, drawing operation is simplified, and thus teaching efficiency and teaching quality are improved.

Description

technical field [0001] The invention relates to the field of teaching equipment, in particular to a blackboard. Background technique [0002] The existing blackboard has a single function and cannot meet the teaching requirements. In English teaching, when students need to teach students to write standard letters, they need to draw four lines and three grids on the blackboard, which can only be drawn one by one along the drawing board with chalk. It is troublesome to draw lines and the distance between the lines can only be roughly equal. In mathematics teaching, it is often necessary to draw straight lines and arcs in geometric drawing. At present, compasses are mainly used, which is inconvenient to use. Contents of the invention [0003] Aiming at the above-mentioned problems existing in the existing blackboard, the applicant conducted research and improvement to provide a multifunctional blackboard, which is convenient for teaching English and mathematics, and is quite...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L1/04B43L13/00
CPCB43L1/04B43L13/001
Inventor 刘飞
Owner WUXI MIC IND DESIGN
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