The invention provides a bicycle water pump. The structure of a bicycle is not changed, the water pump does not rotate when the bicycle is ridden, and a rear wheel of the bicycle does not rotate when water is pumped, so that labor is saved, and the abrasion of driving parts is reduced. The bicycle water pump is characterized in that the water pump is arranged on a frame, a water band bamboo basket is arranged on the frame or beside a newspaper rack, a support frame is arranged on the rear wheel of the frame, and a rotating shaft of the water pump is provided with a free wheel which is driven by a chain of a bicycle drive train. According to the drive train, a crankset and a fixed gear of the rear wheel are driven by the chain, and the free wheel is arranged in the chain between the crankset and the fixed gear of the rear wheel.
Bicycle water pump
2015-08-12
Patent
Elektronische Ressource
Englisch