A coffin structure,From a base,A long vertical plate,It is composed of a short vertical plate and a cover plate.Among them,A groove is arranged on the top ring of the base；The number of long and short risers is two.The bottom edge is embedded into the groove on both sides of the long side and the short side of the base.To enclose a holding space between the base and the long riser and the short riser；The bottom ring of the cover plate is provided with a certain position convex strip.When the cover is placed on the top surface of the long riser and the short riser,The locating convex strip is closely adhered to the wall body at the position close to the top of the inner surface of the long vertical plate and the short vertical plate；Between the base and the long riser and the bottom edge of the short riser,And the joint between the long riser and the short riser,And between the cover plate and the top edge of the long vertical plate and the short vertical plate,All of them can adopt screw joint structure to strengthen the joint.一種棺之構造，由一底座、一長立板、一短立板及一蓋板所組成，其中，該底座之頂面上環設有一嵌槽；該長立板及短立板之數量皆為二，底緣分別嵌置入該底座長邊及短邊二側的嵌槽內，以在該底座與該長立板及與該短立板間圍覆出一容置空間；該蓋板底面環設有一定位凸條，蓋置於該長立板與短立板頂面上時，該定位凸條與該長立板及該短立板的內面接近頂端處壁體密貼；該底座與該長立板及該短立板之底緣間、及該長立板與該短立板接合處、以及該蓋板與該長立板及該短立板之頂緣間，皆可採螺接構造以加強接合。
