Collapsible portable art drawing board

The utility model discloses a collapsible portable art drawing board, the sensor comprises a connection base, install the third landing leg around the connecting seat, the drawing board is installed in the left side of third landing leg, the pressure claw is installed on the sheathed tube top, sheathed tube outer wall top is installed and is compeled tight nut, the inside ejector pin that has cupjointed of sheathed tube, splint are installed on the top of ejector pin. This collapsible portable art drawing board, pass through the connecting seat, the cooperation of pressing the claw and compeling tight nut, the wrong handle of starting, it gets into the draw -in groove to drive the screw, first landing leg and second landing leg are fixed, second landing leg and third landing leg are fixed, unscrew and compel tight nut, the ejector pin can slide from top to bottom, size according to the drawing board is adjusted, screw up and compel tight nut, highly fixing of ejector pin, the bottom of drawing board is blocke