Chair special for teacher

Abstract

A chair special for a teacher comprises a walking part, a supporting part, a chair part and a mechanical arm part and is characterized in that the lower surface of a lower base plate of a first parallel mechanism of the supporting part is installed at the middle positioning of the upper surface of a base plate of the walking part, the lower surface of the chair part is connected with a motor shaft of a second steering engine on the supporting part, a sliding block of the mechanical arm part is installed in a first dovetail groove formed in the chair part in a sliding mode, the height of the mechanical arm part is adjusted through six eighth hydraulic cylinders of the mechanical arm part, the position of a chalk fixing base is adjusted through a ninth hydraulic cylinder and a tenth hydraulic cylinder, and the angle of the chalk fixing base is adjusted through a fifth steering engine, so that the mechanical arm part helps the teacher to draw some drawings or write, the writing and drawing time is saved for the teacher, the class efficiency is improved, and chalk dust is also prevented from entering the mouth of the teacher.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a special chair for teachers. Background technique [0002] Aiming at the fatigue of teachers who stand on the podium for a long time in class, it will reduce the efficiency of class. Some courses need to draw pictures on the blackboard constantly, which often results in a lot of class time wasted on drawing pictures. During the process of drawing pictures, the dust generated by chalk will be sucked into the teacher’s mouth. Respiratory diseases are caused, so there is an urgent need for a machine that can help the teacher draw pictures and write, and allow the teacher to sit down. Contents of the invention [0003] In view of the above problems, the present invention provides a special chair for teachers. The present invention clamps the handouts by placing the handouts on two handout support frames and adjusting the positions of the two handout support frames through ...

AI Technical Summary

Problems solved by technology

[0002] Aiming at the fatigue of teachers who stand on the podium for a long time in class, it will reduce the efficiency of class. Some courses need to draw pictures on the blackboard constantly, which often results in a lot of class time wasted on drawing pictures. During the process of drawing pictures, the dust generated by chalk will be sucked into the teacher’s mouth. Cause respiratory diseases, so there is an urgent need for a machine that can help teachers draw pictures and write, and can make teachers sit down

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