The invention provides a wheel for bicycles for children. The wheel aims to solve the problem of vulnerability of colored lamps on existing wheels. The wheel for the bicycles for the children comprises a wheel body, colored lamps, a bearing block, an axle seat and a bearing. The bearing block is fixedly connected to the center of the inner side surface of the wheel body, the axle seat is fixedly connected with an end of a wheel axle, and the bearing is arranged between the axle seat and the bearing block; an inner metal ring and an outer metal ring which are connected with a power source are arranged on the axle seat, plugs which are in one-to-one correspondence to the colored lamps are mounted in the bearing block, each plug comprises an inner ball and an outer ball, the inner balls are in contact with the inner metal ring, and the outer balls are connected with the outer metal ring; an insulating ring is arranged between the inner metal ring and the outer metal ring; grooves are formed in the inner metal ring. The wheel has the advantages that the outer metal ring and the inner metal ring which are connected with the power source are arranged in the wheel, the inner balls and the outer balls which are connected with the colored lamps are respectively connected with the outer metal ring and the inner metal ring, accordingly, the wheel is low in frictional force, and the colored lamps can be powered on and off under the control of the grooves in the inner metal ring; circuits of the colored lamps which are good in reliability are difficult to damage and accordingly are long in service life.
Wheel for bicycles for children
2015-06-03
Patent
Elektronische Ressource
Englisch
Online Contents | 1991
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