School book placing rack of which usable area can be increased

Abstract

The invention discloses a school book placing rack of which the usable area can be increased. The rack comprises a main plate and an auxiliary plate, the main plate is hinged with the auxiliary platethrough a chain, and grooves are formed in the tops and bottoms of the main plate; springs are fixed to the sides of inner cavities of the grooves, fixed plates are fixedly connected to the ends, awayfrom the inner cavities of the grooves, of the springs, and plug pins are fixedly connected to the sides, away from the springs, of the fixed plates. Through the cooperative use of the main plate, auxiliary plate, grooves, springs, fixed plates, plug pins, pin holes, first threaded rod and limit block, the usage area of the placing rack can be adjusted to better adapt to books with different areas and better ensure teaching work, and through the cooperative use of a bracket, base, second threaded rod and threaded pipe, the angle of the placing rack can be adjusted to better adapt to teachingwork of different teachers and better ensure successful teaching work.

Description

technical field [0001] The invention relates to the technical field of teaching equipment, in particular to a school book shelf which can increase the use area. Background technique [0002] Teaching is a human-specific talent training activity composed of teachers' teaching and students' learning. Through this activity, teachers guide students to actively and consciously learn and accelerate the acquisition of basic cultural and scientific knowledge and Basic skills can promote the overall improvement of students' quality in many aspects, so that they can become the people needed by the society. The concept of teaching is abstracted and summarized from the teaching phenomenon and teaching practice. The connotation of teaching is also developing with the development of history. Book placement devices are generally needed in teaching work, but the existing book placement devices basically cannot adjust their use area and cannot adapt to books of different areas, which brings ...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a school book placement rack that can increase the use area, which has the advantage of increasing the use area, and solves the problem that the existing book placement devices basically cannot adjust the use area and cannot adapt Books of different sizes bring great inconvenience to the teaching work

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