Patent ID: 7464417

Claim:
A plastic swimming pool with an enhanced structure, comprising a pool wall, a connecting sheet, a base sheet and an inflatable ring, said pool wall being formed of flexible PVC plastic material sheets provided with a reinforcing net therein, the inflatable ring being mounted on a top of the pool wall to support the pool wall, characterized in that said pool wall is formed by connecting a plurality of sidewalls at both sides of them with each other into a loop; the pool wall formed of the sidewalls connected into a loop is connected with the inflatable ring at its top, and is provided with a connecting sheet at the inner side of its lower portion; the connecting sheet is formed by connecting a plurality of material sheets at both sides of them with each other into a loop as well; when the sidewalls are connected with the connecting sheet, the welding seams between the sidewalls are not situated at the same positions as the welding seams between the material sheets of the connecting sheet in a vertical direction, that is, the welding seams between the sidewalls and the welding seams between the material sheets of the connecting sheet are staggered; the width of an interface for welding the sidewalls and the connecting sheet is more than 80 mm and reinforcing seals are provided in the interface where the sidewalls and the connecting sheet are bonded; at least one notch is cut out in the lower edge of each material sheet of the connecting sheet, and a bottom ring folding inwards which is formed by overlapping and bonding the material sheets of both sides of each notch is connected with the base sheet through a welding seam.