Rotatory folding chassis

The utility model relates to a rotatory folding chassis, fork is gone up including the back, the back is the fork down, the connecting seat pipe one, the connecting seat pipe two, five -way no. 1, five -way no. 2, the structure is violently managed, the top tube, low tube and head pipe, on managing two with the connecting seat, connecting seat pipe no. 1 respectively sets up sliding sleeve and stop device, fork and back are pitched down and can be followed the rotation of a connecting seat pipe axis through the sliding sleeve on the back, first pipe passes through the sliding sleeve with top tube and low tube can follow the rotation of two axis of connecting seat pipe, can realize the frame once or secondary rotation folding, realize the state exchange rotatable or on -rotating through stop device, it is convenient that this rotatory folding chassis uses, through once or folding its length of back of secondary convenient transport and accomodate is all reduced with the volume greatly. 本实用新型为种旋转折叠车架，包括后上叉、后下叉、