Patent ID: 11974670

Abstract:
An swivel glide includes a metal screw stem, a hemispherical plastic connecting seat and a hemispherical plastic base; the lower end of the metal screw stem is connected to the top of the hemispherical plastic connecting seat; the hemispherical plastic connecting seat is formed by injection molding of plastic parts, wherein the bottom of the hemispherical plastic connecting seat is provided with a cavity, a side wall of the cavity is provided with a concave arc-shaped spherical surface, wherein an outer side wall of the hemispherical plastic base is provided with a convex arc-shaped spherical surface, wherein a convex arc-shaped spherical surface is clamped in the concave arc-shaped spherical surface, and diameter of the concave arc-shaped spherical surface is 1 mm larger than diameter of the convex arc-shaped spherical surface.