Mathematic image/graph demonstrator

• Main Author: LI SHUAIJIE
• Format: Patent
• Language: Chinese; English
• Published: 14.09.2018
• Subjects: ACCESSORIES FOR WRITING OR DRAWING; ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; ARTICLES FOR WRITING OR DRAWING UPON; BUREAU ACCESSORIES; CRYPTOGRAPHY; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; GLOBES; PERFORMING OPERATIONS; PHYSICS; PLANETARIA; SEALS; TRANSPORTING; WRITING OR DRAWING IMPLEMENTS

The invention discloses a mathematic image/graph demonstrator and belongs to the technical field of teaching instruments. The demonstrator comprises a base, wherein a lifting upright column is arranged on the base; a support platform is arranged on the lifting upright column; a transparent writing board and a sliding base are arranged from rear to front on the support platform; a through groove istransversely formed in the sliding base; a sliding rod penetrates through the through groove; the left end and the right end of the sliding rod are fixed on the support platform through fixing bases;belt wheels are arranged at both ends of the sliding bases; the belt wheels are connected with motors; belts are wound on the belt wheels; one section of each belt is fixedly connected with one sliding base; chutes and amplification screens are longitudinally arranged on the left sides and the right sides of the sliding bases; sliding blocks are arranged on lower end surfaces of the amplificationscreens; the sliding block