Loudspeaker for teaching of higher vocational English teachers

Abstract

The invention discloses a teaching loudspeaker for higher vocational English teachers, and relates to the field of English teaching, the teaching loudspeaker comprises a box body, the inner walls of the left and right sides of the box body are fixedly connected with a fifth connecting plate and a fourth connecting plate respectively, and a sliding rod is fixedly connected between the fourth connecting plate and the bottom plate of the box body. The box body is arranged for protecting the loudspeaker body, when the loudspeaker body needs to be used, a rectangular sleeve is moved rightwards by a certain distance, then a cover plate is rotated reversely by 270 degrees, the rectangular sleeve can be driven to move leftwards through a first spring, the cover plate can be limited through cooperation of the rectangular sleeve and a clamping block, and therefore the loudspeaker body can be moved conveniently; the screw rod is rotated through the second handle, the first screw rod is matched with the threaded sleeve, the sliding rod, the second sliding sleeve and the fifth fixing plate, the loudspeaker body can be driven to move upwards, the height of the loudspeaker body is increased, the sound amplification effect is improved, and the device has an effective protection function, is convenient and rapid to operate during use and has very high practicability.

Description

technical field [0001] The invention relates to an English teaching loudspeaker, in particular to a teaching loudspeaker for higher vocational English teachers. Background technique [0002] With the development of society, the exchanges and cooperation between countries are increasing, and the opportunities for people to communicate with foreigners are also increasing. English, as a language communication tool, has played an increasingly important role in society, and As a disseminator of English learning, the teacher's own teaching quality is very important. English teachers usually use loudspeakers due to their heavy work intensity in the teaching process. [0003] At present, the existing teaching loudspeaker devices have single functions and do not have protective structures. Poor, when faced with stairs or stairs, it can only be carried by hand, causing a certain burden to the user, and the existing sound amplification device is easy to slide or even tilt when used in...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a teaching loudspeaker for higher vocational English teachers to solve the problem that the existing teaching loudspeaker device proposed in the above background technology has a single function, does not have a protective structure, and the loudspeaker device is easily damaged when exposed to the outside for a long time , and the sound amplification device with protective structure is often cumbersome and inconvenient to use when it is deployed, and its mobility is poor. When facing stairs or stairs, it can only be carried by hand, which has caused a certain burden on the user. , and when the existing sound amplification devices are used in environments with different terrains, they are easy to slide or even tilt topple over, resulting in poor stability

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