Listening earphone sleeve wearing device for English teaching

Abstract

The invention relates to a listening earphone sleeve wearing device for English teaching. The device comprises an earphone sleeve and a shell, four pull ropes are arranged at an opening of the earphone sleeve, a first blind hole is formed in the upper end face of the shell, a sliding block capable of interacting up and down is arranged in the first blind hole, four stand columns are fixed at the upper end of the sliding block, the four pull ropes can respectively sleeve the four stand columns, four through holes are formed in the shell, each through hole is internally connected with a driving lever in a sliding mode, the upper end of each through hole in the blind hole is fixedly provided with a supporting block, when the stand column moves downwards along with the sliding block, the driving lever can drive the uppermost pull rope to the supporting blocks from the stand column, when the sliding block moves upwards, the driving lever can slide outwards along the through holes, the pull rope can be separated from the supporting block, and the sliding block ascends by a height relative to the shell every time the sliding block slides up and down for a period. According to the device, sleeving of the earphone sleeve is achieved in the mode that the pulling rope of the uppermost earphone sleeve can be pulled down from the stand column through the driving lever every time the sliding block is pressed downwards, and the device is simple and efficient and realizes repeated use without the buckling phenomenon.

Description

technical field [0001] The invention relates to the field of English teaching, in particular to a hearing earphone wearing device for English teaching. Background technique [0002] Listening is an important part of English subjects. During listening tests or exams, most schools will arrange students to test in the listening classroom. The listening classroom is often equipped with professional listening earphones. Since the earphones are shared, there will be Hygienic issues. Students who do not pay attention to hygiene may dirty the shared earphones, which will affect the use of subsequent students. Replacing or cleaning dirty earphones is time-consuming and laborious, and it is easy to increase the cost of earphone use. Therefore, how to ensure the hygiene of shared earphones has become an urgent problem to be solved. question. Contents of the invention [0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention pro...

AI Technical Summary

Problems solved by technology

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a hearing earphone wearing device for English teaching, which solves the hygienic problem of public earphones in use without replacing the earphones.

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