Projection equipment for teaching

The utility model discloses projection equipment for teaching, which comprises a curtain, one side of the curtain is connected with a reel, one side of the reel is connected with a motor, one side of the reel is provided with a shell, one side of the motor is connected with a transmission mechanism,...

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Bibliographische Detailangaben
Hauptverfasser:	JIANG XUEMENG, MA MENGJIE, CHENG QIANQIAN, CHEN YUANRONG, LIU KUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR ADVERTISING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CINEMATOGRAPHY CLEANING CLEANING IN GENERAL CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES ELECTROGRAPHY GLOBES HOLOGRAPHY PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PLANETARIA PREVENTION OF FOULING IN GENERAL SEALS TRANSPORTING
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Beschreibung
Zusammenfassung:	The utility model discloses projection equipment for teaching, which comprises a curtain, one side of the curtain is connected with a reel, one side of the reel is connected with a motor, one side of the reel is provided with a shell, one side of the motor is connected with a transmission mechanism, the transmission mechanism is connected to one side of the reel, one side of the transmission mechanism is connected with a cleaning mechanism, and the cleaning mechanism is connected with the shell. One side of the shell is connected with a first limiting mechanism, one side of the cleaning mechanism is connected with a second limiting mechanism, and one side of the second limiting mechanism is connected with a cover plate. Meanwhile, the first limiting mechanism is used for abutting against the cleaned portion of the curtain, the limiting mechanism can automatically adjust the position of the limiting mechanism along with side face deviation of the curtain, the limiting mechanism can limit the position of the cl