Junior school student desk facilitating height adjustment

Abstract

The invention discloses a junior school student desk facilitating height adjustment. The desk comprises a bottom plate and a desktop, two sides of the top of the bottom plate are fixedly connected with desk legs, a motor is fixedly mounted at the center of the top of the bottom plate, a worm gear sleeves an output shaft of the motor, a worm is movably connected to the top of the bottom plate and positioned on the left side of the motor through a rotating shaft, and the top of the worm is fixedly connected with a rotating rod. Articles are placed by the aid of the desktop, the desktop is drivento lift by the aid of a lifting plate and teeth, the lifting plate is driven to lift by the aid of a second bevel gear transmission rod and a gear, the desktop is driven to lift by the aid of a firstbevel gear, the rotating rod, the worm, the worm gear and the motor, and the desk solves the problems that the height of the desk cannot be lifted according to use requirements due to height difference of junior school students, uncomfortable sitting postures of the students are caused, and learning quality is affected.

Description

technical field [0001] The invention relates to the technical field of teaching aids, in particular to a desk for junior high school students whose height can be easily adjusted. Background technique [0002] The desks used by students, starting from the Bafang desk in the earliest school, are used in schools. The desks for school study should be unified as desks, which are an indispensable teaching tool in daily learning. The size standard of desks is mainly based on Anthropometric data and special surveys in recent years in my country were proposed by the Ministry of Health and revised and promulgated by the General Administration of Quality Supervision, Inspection and Quarantine in 2002. The previous two old standards were abolished at the same time, and the current desks are all fixed heights, but junior high school students Due to the difference in height, the height of the desks cannot be raised or lowered according to the needs of use, resulting in uncomfortable sitting...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a desk for junior high school students that can be easily adjusted in height, which has the advantage of convenient height adjustment, and solves the problem that the height of the desk cannot be raised and lowered according to the needs of use due to differences in the height of junior high school students, resulting in uncomfortable sitting postures for students , issues affecting the quality of learning

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