Outdoor stroller for children

1. An outdoor stroller for children, comprising

a handle grip which provides for holding and pushing the stroller by hands;

two upper lateral bars which are pivoted respectively with an end of the handle grip, with one upper lateral bar being provided with a disengaging mechanism;

two lower lateral bars which are pivoted respectively with a lower end of the upper lateral bar, with a bottom of each lower lateral bar being connected with a front wheel; and

two crossbars which are pivoted respectively with the lower lateral bar at about the middle location, with the crossbars and the lower lateral bars being pivoted together in an X-shape, and the crossbars being pivoted respectively with a rear wheel;

wherein bottom ends of the two lower lateral bars are connected with a bottom frame, top ends of the two crossbars are connected with a top frame, a clamping device being a pivoting unit which is disposed at a location where the lower lateral bar is pivoted with the lower end of the upper lateral bar, an interior of the pivoting unit is provided with a slot, the upper lateral bar is provided with a flapper, the flapper is latched into the slot and escapes from the slot by the disengaging mechanism;

accordingly, the flapper of the upper lateral bar is latched into the slot, allowing the upper lateral bars and the lower lateral bars to form straight bars; the lower lateral bar and the crossbar is crossed over and put upright to level the top frame, thereby unfolding the stroller; after actuating the disengaging mechanism, the flapper escapes from the slot, the upper lateral bars turn forward against the pivoting unit, the lower lateral bar and the crossbar that are crossed over in the X-shape are folded with each other, and the top frame is lowered down to approach the bottom frame, thereby folding the stroller.

2. The outdoor stroller for children, according to claim 1 , wherein one upper lateral bar is provided with a pull handle, a push button, a rope, a pull frame and a spring, with that the pull handle is sheathed on an upper end of the upper lateral bar, the push button blocks the pull handle, the pull handle drives the rope, the rope draws the pull frame, the spring is disposed in the pull frame, an end of the spring is positioned in the upper lateral bar, the other end of the spring is abutted at the pull frame, and an exterior of the pull frame is a flapper; after pulling up the pull handle, the rope draws the pull frame and the flapper, enabling the flapper to escape from the slot.

3. The outdoor stroller for children, according to claim 1 , wherein a lower end of the upper lateral bar is provided with a pivoting indentation member, a top end of the lower lateral bar is provided with a flat disc which is put into the pivoting indentation member, and the pivoting indentation member is a gap formed between the two flat discs.

4. The outdoor stroller for children, according to claim 1 , wherein the top frame is a nearly rectangular frame unit which is pivoted with two arc-shaped bars to support a sun canopy.

5. The outdoor stroller for children, according to claim 1 , wherein the bottom frame is an U-shaped frame unit, an interior of the bottom frame is provided with a bottom plate, two front ends of the bottom frame are pivoted respectively with a front wheel, two rear ends of the bottom frame are pivoted respectively with a buffer block, a shaft is disposed between the two rear wheels, each side of the shaft is provided with a pivoting block, and the other end of the buffer block is pivoted with the pivoting block.