Foldable bicycle frame

The utility model provides a foldable bicycle frame, the fore -stock upper end, after -poppet upper end and seat side pipe lower extreme form to rotate at a swivel point to be connected, the middle part of seat bottom tube forms to rotate at the 2nd swivel point with the fore -stock to be connected, the 2nd swivel point lies in a swivel point's below, the rear end of seat bottom tube forms to rotate at the 3rd swivel point with the connecting rod middle part to be connected, the upper end of connecting rod forms to rotate at fourth swivel point with the lower extreme of push rod to be connected, the lower extreme of connecting rod forms to rotate at the 5th swivel point with the middle part of after -poppet to be connected, form to rotate at the 6th swivel point between the upper end of seat side pipe and the push rod and be connected. The utility model has the advantages of: the swivel point of this foldable bicycle frame through set up six different positions between fore -stock, after -poppet, seat bottom