Multifunctional environment-friendly blackboard erasing mechanism

The utility model relates to a multifunctional environment-friendly blackboard erasing mechanism. The blackboard erasing mechanism comprises brush bristles, an erasing head with a low-voltage motor, an erasing head handle with a three-shift power switch, air-permeable and dust-transfer hoses which c...

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Bibliographic Details
Main Author YAN XICHANG
Format Patent
LanguageChinese
English
Published 28.09.2011
Subjects
ACCESSORIES FOR WRITING OR DRAWING
ARTICLES FOR WRITING OR DRAWING UPON
BUREAU ACCESSORIES
PERFORMING OPERATIONS
TRANSPORTING
WRITING OR DRAWING IMPLEMENTS
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Summary:The utility model relates to a multifunctional environment-friendly blackboard erasing mechanism. The blackboard erasing mechanism comprises brush bristles, an erasing head with a low-voltage motor, an erasing head handle with a three-shift power switch, air-permeable and dust-transfer hoses which can be telescopically connected with the erasing head, a moving trolley connected with the upper and the lower hoses, a hose arranged below the moving trolley and connected with a fixed dust-collecting pipe, the dust-collecting pipe arranged below the middle part and connected with an electric dust-collecting device, the electric dust-collecting device, and a low-voltage wire connected with and controlling a power supply control board of the electric dust-collecting device. The utility model is characterized in that the electric dust-collecting device is fixedly arranged in a wall below the blackboard and provided with shockproof and noise-proof facilities, the electric dust-collecting device is provided with a box
Bibliography:Application Number: CN20102189438U