Patent ID: 9743816
Date: 2017-08-29
CPC Classifications: A47L,F16B

Claim:
1. A glass-wiping device with a suction apparatus, comprising a moving unit ( 2 ), a cleaning unit ( 3 ), a driver unit ( 4 ), a control unit ( 5 ) and the suction apparatus, wherein the moving unit ( 2 ) and the cleaning unit ( 3 ) are provided at the bottom of the glass-wiping device ( 8 ), the control unit ( 5 ) is connected to the driver unit ( 4 ), the driver unit ( 4 ) controls the moving of the moving unit ( 2 ) under control of the control unit ( 5 ); the glass-wiping device adheres onto the surface of the glass via the suction apparatus including a suction cup unit ( 1 ), characterized in that, the suction cup unit ( 1 ) comprises an inner suction cup ( 11 ) and an outer suction cup ( 12 ), the inner suction cup ( 11 ) is provided on the inside of the outer suction cup ( 12 ), wherein a cavity on the inside of the inside of the inner suction cup ( 11 ) forms an inner negative pressure chamber via vacuum suction, and a cavity between the inner and outer suction cups forms an outer negative pressure chamber via vacuum suction.