Retractable traveling wheel device for trolley case
A technology of walking wheels and suitcases, which is applied to suitcases, travel goods, casters, etc. It can solve the problems of damage, easy scratch damage, easy sliding, etc., and achieve the effects of reducing scratch damage, avoiding sliding, and improving strength
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[0014] The present invention is described in conjunction with accompanying drawing.
[0015] like figure 1 , figure 2 , image 3 The shown telescopic traveling wheel device of a trolley suitcase comprises a chassis 1, a connecting shaft 14, a transmission rod 6, a motor 10, a battery 7 and a traveling wheel. The chassis 1 is a rectangular shell structure, and the four corners below the chassis 1 The walking wheel groove 11 is evenly arranged, and the inner shell of the walking wheel groove 11 is provided with a bearing seat correspondingly at the front and rear, and a bearing is arranged in the bearing seat, and a USB interface 15 is arranged on the front side of the casing, and the rear part of the USB interface 15 is connected to the battery through the wire. 7 connection; the left and right sides of the connecting shaft 14 are arranged in parallel on both sides of the lower part of the chassis 1, the front and rear sides of the connecting shaft 14 are arranged in the low...
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