Constructional panels.

A structure plate (10) is embedded in the ground cover plate or a wood plate, or the hole is the covering layer or a panel; the plate with one end of the plane, wherein the plate and plate with a ring is a continuous array. Plate (10) comprises a rectangular the central section (13) and a pair of end (14 and 15), the end (23 of the central section (13) opposite end ( 24) extends out. Each end (14 and 15) arranged on connected to a central section (13) is isosceles trapezoidal part (16 and 17) and connecting concave part (16 and 17) is rectangular part (18 and 19). Plate of each (29, 30 and 34) is coupled with a plate with corresponding sides are, and for preventing with the other of the plane plate vertical direction, further - comprising a locking device (25, 47 and 53-56), wherein the plate arranged on the lock and is preventing the opposite separatist of a.