Baby stroller capable of being folded with one hand

A baby stroller capable of being folded with one hand comprises joint components (1), and a front pipe (2), a handle pipe (3) and a rear pipe (4), whereof all are arranged at the joint components (1);

• which is characterized in that the joint components (3) comprise a joint seat (11), an upper joint (12) and a lower joint (14), which are arranged at the joint seat (11) and rotated with each other, and an annular pressing block (13) disposed between the upper joint (12) and the lower joint (14);
• the upper joint (12) and lower joint (14) are respectively disposed on one end of the handle pipe (3) and the front pipe (2), the joint seat (11) is provided with a lock device (5) being used in the lower joint (14) and the upper joint (12) to avoid rotating among the lower joint (14), the upper joint (12) and the annular pressing block (13);
• the joint seat (11) whereof a lower end is further provided with a folding device (6) being used to control the lock device (5) for locking or releasing the upper joint (12) and the lower joint (14), wherein the folding device (6) comprises a connecting seat (61) arranged on the rear pipe (4), a lever (62) connected pivotally to the connecting seat (61), a wire (63) whereof one end is connected with a lower end of the lock device (5) and whereof the other end is connected with a front end of the lever (62), and a lifting belt (64) connecting with a rear end of the lever (62);
• the connecting seat (61) is provided with first release components (8) to control and lock the lever (62) in case of movement;
• the baby stroller is being folded by raising the lifting belt (64) to drive the lever (62) rolling back the wire (63) resulted in the lock device (5) being moved downward for releasing upper joint (12) and lower joint (14), and collapsing into a flattened position with weights thereof.