Folding drawing board

Abstract

The invention relates to a folding drawing board. The folding drawing board comprises an upper drawing plate, a lower drawing plate, drawers, a rotating plate, a rotating shaft, a ratchet wheel mechanism, a dip angle adjusting knob, a connecting shaft, a baffle, a partition plate, magnets and handles, wherein the ratchet wheel mechanism is connected with the rotating shaft and the rotating plate. The upper drawing plate is connected with the lower drawing plate through hinges, an inlaid stationery placing region is located inside the lower drawing plate, and space usage is maximized. The upper drawing plate is used for placing drawings, the dip angle adjusting knob and the rotating plate are adjusted, and the ratchet wheel mechanism is used for enabling the upper drawing plate to be inclined and fixed at an angle at which a draughter draws conveniently. The partition plate inside the drawing plates is fixed to the lower drawing plate in an attracting mode, and stationery cannot fall off when the drawing board is turned over. Rotation is conducted through the hinges, the upper drawing plate and the lower drawing plate are unfolded completely, and the folding drawing board becomes an A2 drawing board. After drawing is finished, the dip angle adjusting knob and the rotating plate are adjusted and return, the upper drawing plate is closed, the magnets are arranged on the edges of the drawing plates and attract, and the folding drawing board is closed. According to the folding drawing board, the drawing angle can be changed according to favour of different people, and the folding drawing board is convenient to carry.

Description

technical field [0001] The invention relates to a drawing board capable of being folded. Foldable, portable drafting tools for engineering drafters. Background technique [0002] The drawing board is a flat plate used to pad drawing paper when painting. It is a frequently used drawing aid. It is mostly used in painting creation and engineering drawing, and it is generally made of wood. When in use, the drawing board needs to be placed on a table or an easel, and some drawing boards are designed to be connected with the table body. However, due to the limitation of classroom time and working environment, etc., the drafter hoped to be able to take the drawings back to his residence and continue to complete them. Due to the large area of ​​the drawing board, it cannot meet the requirement of being convenient for the drawing personnel to carry. Use a picture clip to replace the drawing board, but the picture clip is not easy to be fixed when drawing, so that the accuracy of t...

AI Technical Summary

Problems solved by technology

However, due to the limitation of classroom time and working environment, etc., the drafter hopes to take the drawings back to his residence and continue to complete them

Due to the large area of ​​the drawing board, it cannot meet the requirement of being convenient for the drawing personnel to carry

Use a picture clip instead of a drawing board, but the picture clip is not easy to be fixed when drawing, which reduces the accuracy of the drawing, so the picture clip is not suitable for the field of engineering design

Images