The invention discloses a baby stroller. The baby stroller is characterized in that a cam slider capable of vertically moving along a wheel axle of a front wheel assembly is arranged on the wheel axle of the front wheel assembly, the top end surface of the cam slider is an annular cam surface with one lower end and one higher end in the radial direction of the wheel axle, a limiting part for limiting ascending of the cam slider is arranged on the wheel axle, a pulling part and an elastic part are arranged for controlling the vertical motion state of the cam slider, when a stroller frame is unfolded, both the pulling part and the elastic part are released, the annular cam surface is located below the limiting part and separated from the limiting part, and the front wheel assembly can rotate universally; when the stroller frame is folded, the pulling part is gradually tensioned to enable the cam slider to ascend, so that the annular cam surface is propped against the limiting part, the limiting part slides along the annular cam surface from high part to low part, then the front wheel assembly is driven to rotate around the wheel axle thereof, the front wheel assembly is turned backwards to be close to a rear wheel assembly, accordingly, the structure of the folded stroller frame is more compact, and the size of the folded stroller frame is effectively reduced.
Baby stroller
2015-12-30
Patent
Electronic Resource
English
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |