Curtain feeding structure of projection device for English teaching

Abstract

The invention discloses a curtain feeding structure of a projection device for English teaching. The curtain feeding structure comprises a horizontally arranged base, a storage barrel is arranged on the side wall of the upper side of the base; a first placing plate is horizontally arranged at the upper end of the base; the first placing plate is of a hollow structure; two second placing plates which are symmetrically arranged are arranged in the first placing plate; the two second placing plates are horizontally arranged; the opposite ends of the two second placing plates penetrate through theside wall of the first placing plate; mounting plates are movably clamped to the side walls of the two second containing plates, a telescopic mounting rod is arranged between the two mounting plates,the telescopic mounting rod is sleeved with a curtain roller, two symmetrically-arranged first supporting plates are fixedly connected to the side wall of the upper side of the base, and the two first supporting plates are both hollow mechanisms. The working height of the curtain feeding mechanism of the projection device is convenient to adjust, and the working range of a curtain is convenient to adjust.

Description

technical field [0001] The invention relates to the technical field of English teaching, in particular to a screen structure for a projection device used in English teaching. Background technique [0002] Teaching English is the process of teaching English to people who may or may not be their first language. English teaching involves a variety of professional theoretical knowledge, including linguistics, second language acquisition, lexicology, syntax, stylistics, corpus theory, cognitive psychology, etc. English teaching is a gradual process, whether it is for English For people who are or are not the first language, English learning is very important in today's rapid globalization, and projection devices are needed in the English teaching process; [0003] It is inconvenient to adjust the working height of the screen mechanism of the existing projection device, and it is inconvenient to adjust the working range of the screen. Therefore, we propose a screen structure of t...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of inconvenient adjustment of the working height of the screen mechanism of the projection device existing in the prior art, and the problem of inconvenient adjustment of the working range of the screen, and propose a projection device for English teaching.

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