English teaching board convenient for operation and demonstration

Abstract

The invention discloses an English teaching board convenient for operation and demonstration. The English teaching board comprises a teaching board main body, a driving wheel, a connecting block and afixing rod, wherein the teaching board main body at least comprises a main board body and two groups of auxiliary board bodies, the main board body is of a square board structure, an upper cover is fixedly mounted at the top end of the main board body, an accommodating slot is formed in the inner side of the main board body, is of a square structure and penetrates through the main board body, andtwo groups of the auxiliary board bodies are connected to the inner side of the main board body in a sliding manner; the upper cover is of an internal hollow rectangular solid structure, a rotating assembly is arranged on the inner side of the upper cover and at least comprises the driving wheel, a transmission belt and a driven wheel, one end of the transmission belt sleeves the driving wheel, and the other end of the transmission belt sleeves the driven wheel; and the fixing rod is arranged at the front end of the main board body. The English teaching board is simple in structure and easy to use, has the characteristics of high practicability, rapidness and convenience in use and the like and can be widely used.

Description

technical field [0001] The invention belongs to the technical field of teaching tools, and in particular relates to an English teaching board which is convenient for operation and demonstration. Background technique [0002] In English education and teaching, it is necessary to display a large number of English works for students' reference and study. The current method is that the teacher pastes or hangs the works on the blackboard to explain and display for the students. This will take up a lot of teaching boards and make the teaching boards The effective area of ​​the teaching board is reduced, which seriously affects the normal teaching work. Most of the teaching boards added in the prior art are stretched to one side, which will easily lead to the unstable center of gravity of the teaching board after stretching, and the writing on the teaching board needs to be wiped When removing it, it is extremely wasteful of physical strength and time, and when using chalk to write...

AI Technical Summary

Problems solved by technology

[0002] In English education and teaching, it is necessary to display a large number of English works for students' reference and study. The current method is that the teacher pastes or hangs the works on the blackboard to explain and display for the students. This will take up a lot of teaching boards and make the teaching boards The effective area of ​​the teaching board is reduced, which seriously affects the normal teaching work. Most of the teaching boards added in the prior art are stretched to one side, which will easily lead to the unstable center of gravity of the teaching board after stretching, and the writing on the teaching board needs to be wiped When removing it, it is extremely wasteful of physical strength and time, and when writing with chalk, the chalk dust on the teaching board is relatively large. When the teacher stands at the front of the teaching board, it is easy to inhale the dust

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