A multifunctional desk and chair

Abstract

The invention relates to the field of lifting adjustment devices, in particular to a set of multifunctional desk and chair. The set of multifunctional desk and chair mainly comprises a base, a four-foot support, a seat plate, a desktop plate and a folding backrest, wherein the base is of a rectangular framework structure, the middle of the rectangular frame is provided with an air pressure lifting device, the top of the air pressure lifting device is provided with the seat plate, the seat plate is movably connected with the folding backrest through an angle adjusting device, the rectangular frame of the base is provided with the four-foot support, the two sides of the four-foot support are respectively provided with a self-locking ratchet bar and a scissor-fork-type lifting device which is also called a scissor-fork-type connection rod mechanism, the front of the bottom of each scissor-fork-type lifting device is provided with an adjustment handle, the upper portion of each scissor-fork-type lifting device is provided with a connection rod, and the outer ends of the connection rods are rotatably connected with the desktop plate. The multifunctional desk and chair is small in occupied area, ingenious in design, convenient to use and operate, capable of well meeting the requirement of students for integrating writing, reading and resting and high in comfort, is mainly used for daily work and learning of the students and has good market popularization value.

Description

technical field [0001] The invention relates to the field of lifting adjustment devices, in particular to a multifunctional desk and chair. Background technique [0002] At present, the tables and chairs commonly used in classroom teaching in primary and middle schools in my country are uniform in size and shape and cannot be adjusted at any time. They basically do not match the height of the students themselves. Many students maintain incorrect postures for writing and reading for a long time, resulting in worsening eyesight and spine problems. The deformation is becoming more and more serious, coupled with the increasing pressure of learning, limited space in the classroom, single learning environment, students' learning fatigue is becoming more and more obvious, and students' rest cannot be well guaranteed. These all restrict students' learning. Efficiency is a major factor of physical and mental health, so providing a more reasonable and comfortable multifunctional learnin...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of existing primary and middle school desks and chairs that are monotonous and uniform, have few functions, and cannot be adjusted at any time, and provide students with a multi-functional desk with a small footprint, ingenious design, convenient use and operation, and high comfort. tables and chairs

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