Dustless blackboard eraser

Dustless blackboard eraser

  • CN 106,004,186 A
  • Filed: 06/30/2016
  • Published: 10/12/2016
  • Est. Priority Date: 06/30/2016
  • Status: Active Application
First Claim
Patent Images

1. a dust-free black board eraser, it is characterised in that:

  • include blackboard eraser body, described blackboard eraser body bagInclude have accommodate cavity housing (1) and the controller (2) being arranged in described housing (1), driveGalvanic electricity machine (3), round brush (4), dust scraping plate (5), blower fan (6), dust bag (7) and power supply electricitySource (8);

    Described housing (1) bottom opening, top is provided with dismountable back shroud (11), described housing (1)Lateral wall on be additionally provided with rotary switch (12), described rotary switch (12) and described controller (2)Electrical connection, described controller (2) electrically connects with described driving motor (3);

    Described round brush (4) levelBe arranged on described housing (1) bottom formed wiping surface, described round brush (4) include roller bearing (41) withAnd the bristle (42) being arranged on described roller bearing (41) periphery, one end of described roller bearing (41) withThe output shaft of described driving motor (3) is fixing to be connected, and the other end of described roller bearing (41) passes through bearing phaseTo the sidewall being fixed on described housing (1) on;

    The suction inlet of described blower fan (6) is arranged on the surface of described round brush (4), described blower fan (6)The entering-dust mouth of outlet (66) and described dust bag (7) removably connect, described dust bag (7) positionIn the underface of described back shroud (11), described power supply (8) is positioned at described dust bag (7)Underface, is provided with position on back shroud (11) inwall at described dust bag (7) entering-dust mouth and passesSensor and alarm (14), described dust scraping plate (5) is horizontally set on described round brush (4) and described windBetween the suction inlet of machine (6) and described dust scraping plate (5) and described bristle (42) carry out the circumference that rotatesTrajectory tangential.

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