A geometric teaching aid for mechanical drawing with folding storage function
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANDONG VOCATIONAL COLLEGE OF IND
- Publication Date
- 2021-12-28
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Abstract
Description
technical field
[0001] The invention relates to the technical field of mechanical drawing teaching aids, in particular to a geometric teaching aid for mechanical drawing with the function of folding and storing. Background technique
[0002] Mechanical drawing is a discipline that uses drawings to accurately represent the structural shape, size, working principle and technical requirements of machinery. Drawings are composed of graphics, symbols, words and numbers, and are technical documents that express design intentions, manufacturing requirements and exchange experience. In teaching, it is convenient for students to understand the spatial correspondence and mapping relationship of mechanical drawing. It is generally necessary to use geometric teaching aids to explain the teaching content, and to assist the purpose of drawing through teaching aids.
[0003] The Chinese patent literature publication number is: CN210895898U patent discloses a kind of demonstration teaching ...