Blackboard eraser

The utility model relates to a blackboard eraser, which belongs to technology field of blackboard eraser structure. The blackboard eraser comprises: a cavity body whose internal part is provided with a telescopic pointer in an inserting way and whose side wall is provided with a handle, a water inje...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XU YING, XIU YULING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The utility model relates to a blackboard eraser, which belongs to technology field of blackboard eraser structure. The blackboard eraser comprises: a cavity body whose internal part is provided with a telescopic pointer in an inserting way and whose side wall is provided with a handle, a water injection cavity body with a water inlet, and a sponge, and the cavity body, the water injection body and the sponge are fixedly connected into one body, meanwhile, one side of the water injection cavity body which is connected with the sponge is provided with a mesh-shaped water-outlet. In the utility model, the design of the structure is reasonable, the price is low; meanwhile, the blackboard eraser can effectively reduce dust, and can be used as the pointer.