Whiteboard structure for mathematics teaching

• Main Authors: ZHANG LING, LIU ZHIYUAN, JIANG XUEJIE, LIAN YUPING, LI DEKUI, CHEN YINGDE
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2019
• Subjects: ACCESSORIES FOR WRITING OR DRAWING; ARTICLES FOR WRITING OR DRAWING UPON; BUREAU ACCESSORIES; PERFORMING OPERATIONS; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

The utility model relates to a white board structure for mathematics teaching. Including a rotating base, a stand column is arranged on the rotary base; a main plate body is arranged on the stand column. Auxiliary plate bodies are hinged to the two sides of the main plate body. Clamping devices are arranged on the two sides of the bottom of the main plate body. The clamping device comprises a fixed block; a sliding groove is formed in the fixed block; a sliding strip extending out of the fixing block is arranged in the sliding groove in a sliding mode. Springs are connected between the slidingstrips and the inner side walls of the fixing blocks. Grooves are formed in the front faces of the fixing blocks, push blocks fixedly connected with the sliding strips are arranged in the grooves, limiting blocks rotating up and down are arranged above the fixing blocks, the lower ends of the limiting blocks abut against the side faces of the push blocks, sliding rails matched with the sliding strips are arranged at the