Chinese speech teaching aid

Abstract

The invention discloses a Chinese speech teaching aid which comprises a teaching rack, wherein an adjusting frame is rotatably connected to the upper left portion of the teaching rack, a fixing magnet is installed on the inner side wall of the adjusting frame, a fixing plate is installed in the adjusting frame, and a pinyin card is arranged in the middle of the adjusting frame; a player arranged at the left upper part of the teaching rack; a bevel gear set which is in key connection with the lower end of the adjusting frame, wherein a driven rotating rod is in key connection with the interior of the bevel gear set, a driving rotating rod penetrates through the right end of the driven rotating rod, and the right end of the driving rotating rod penetrates through the left end of an auxiliary rotating rod; and ratchets which are installed on the inner sides of the driven rotating rod and the auxiliary rotating rod, wherein the transverse center lines of the driven rotating rod and the auxiliary rotating rod coincide with each other. According to the Chinese speech teaching aid, the angle position of the baffle plate is adjusted, the isolation of the movable magnet and the fixed magnet can be flexibly relieved, and the locking plate is conveniently and quickly controlled to lock the pinyin card by using the repulsive force of the movable magnet and the fixed magnet which are homopolar.

Description

technical field [0001] The invention relates to the technical field of teaching aids for Chinese phonetics, in particular to a teaching aid for Chinese phonetics. Background technique [0002] Chinese pinyin is the foundation of learning Chinese. Teachers will focus on teaching students to pronounce in the early stage of teaching. Chinese phonetic teaching aids are equipment to assist teachers in pinyin teaching. [0003] The publication number is CN211699289U, which is called a Chinese phonetic teaching aid, which includes an outer frame, a blackboard A, a shrinkable box and a storage battery storage box. The inside of the outer frame is provided with a blackboard A, and the outer frame is located at the upper end of the shrinkable box body and the storage battery storage box. The upper end of the blackboard A is provided with a blackboard B, and a projection whiteboard is pasted on one side of the outer frame. The telescopic bracket, the Chinese phonetic teaching aid, can...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a kind of teaching aid for Chinese phonetics, to solve the problem that the above-mentioned background technology proposes that the current market cannot recycle the special pinyin card for loading and unloading. The problem that the blackboard cannot be cleaned automatically and the powder cannot be absorbed simultaneously

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