Recoil rotation demonstrating device

• Main Author: CHENGXING,DONG YAO
• Format: Patent
• Language: English
• Published: 04.04.2007
• Subjects: ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CRYPTOGRAPHY; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; GLOBES; PHYSICS; PLANETARIA; SEALS

Disclosed is a backswing rotary demonstrating instrument including a backswing aerogenerator rely on an iron trestle and a rotating mechanism, which is characterized in that, the backswing aerogenerator comprises an alcohol burner rely on the iron trestle and a coordinated flask, wherein the flask is fixed on the neck of the flask, the flask forms a backswing aerogenerator device with a pair of curved glass pipes connected horizontally and a rubber stopper cutting through an air-breather; the rotating mechanism comprises an axial magnet on a compound clip fixed on the iron trestle and an iron under the axial magnet, the rotating mechanism is connected with the rubber stopper on the neck of the flask, forming a rotating mechanism. The demonstrating instrument is simple, audio-visual and obvious in demonstration effect.