The utility model discloses a fountain mechanism with adjustable angle. Including base, link and spray tube, the base is provided with a pair of slide and a pair of pillar, the link includes a pair ofbranch, and two branches are through the round pin hub connection, branch one end be equipped with with slide complex bearing, the spray tube both sides be equipped with respectively with pillar articulated guide pillar, spray tube one end is fixed with the free bearing, wherein, the shaft hole that has with the round pin shaft fit is opened to the free bearing. The utility model discloses an adopting fort formula spray pipe, adopting adjustable base to set up the spray angle of spray tube, the requirement that sets up the fountain as required sets up the inclination of spray tube, and then forms the not fountain shape of isostructure to, this spray pipe can make up and form the array crowd, has fixed convenience, and the structure sets up variously, and the range of application is wide.