Abstract: The present invention discloses a foldable mechanism for playyard, comprising: a connection element for connecting a pair of hollow rods, having an U-shaped cross section, two pairs of guiding grooves and a plurality of through holes for rivets being provided at both sides of the connection element; a pair of hollow rods in which a spring and a latching block are accommodated respectively, a through hole for rivet and a groove being provided at both sides of the hollow rods respectively; and a press-down element having two ramps, for pressing the latching block literally to disengage the engaged status between the connection element and the hollow rod, wherein the press-down element, hollow rod and latching block are fixed on the connection element by rivets, when a user presses the press-down element, the ramps of the press-down element would push the latching block to move literally so as to disengage the engaged status between the connection element and the hollow rod to achieve the effect of collapsing th

Abstract: An improved crib structure includes a crib capable of swinging in a natural rhythm, comprising a supporting frame having an upper rectangle and lower crossbars, the upper rectangle and crossbar being connected through four vertical rails at four corresponding corners of the upper rectangle and four ends of the crossbars; a supporting block being provided on each of the four ends of the lower crossbars respectively, a receiving hole being provided on the bottom surface of the supporting blocks; a pair of swinging rail being provided between two corresponding supporting blocks, the swinging rail with both ends extending in the direction parallel to the vertical rails and the mid section extending in a shape of arch, each end of the swinging rail being detachably connected to the supporting block with a connecting device through said receiving hole.