Bilateral opening and closing type frameless sliding writing board

The utility model provides a bilateral opening and closing type frameless sliding writing board. The frameless sliding writing board comprises left and right vertical columns, upper and lower integral slide ways, sliding writing boards and upper and lower pulleys fixed onto the sliding writing boards. The upper and lower integral slide ways are connected to the upper and lower portions of the left and right vertical columns through slide way corner supporting parts. Each integral slide way comprises a sliding writing board slide way area and a left and right vertical column connection area, wherein the sliding writing board slide way area and the left and right vertical column connection area are in longitudinal arrangement. The upper portion of the front side of each sliding writing board slide way area is connected with a pulley area, the front side of each slide way corner supporting part is flush with the upper portion of the corresponding sliding writing board slide way area to seal the same, and the rear side of each slide way corner supporting part seals the corresponding left and right vertical column connection area and enables an upward extending portion to be connected with the left and right vertical columns. The sliding writing boards include a right sliding writing board and a left sliding writing board, two pulleys are mounted on each of the upper portion and the lower portion of each sliding writing board and arranged on the inner side and in the middle of the corresponding sliding writing board, and the upper and lower pulleys are mounted at the upper and lower ends of the front of the sliding writing boards. An electronic white board or television all-in-one machine is mounted on a wall behind the middles of the integral slide ways.