Go up bight hinge

The utility model relates to a go up bight hinge, its characteristics lie in wherein going up the hinge and including bearing, loose-leaf, pivot, axle sleeve including upper support arm, an upper fixed plate on, hinge, adjusting screw, screw thread support, adjustment rivet, two S springs, the sleeve pipe has been made to loose-leaf one end, and the pivot cartridge is in the sleeve pipe, and the pivot is installed on the bearing, and the ring channel has been made respectively at the pivot both ends, and the bearing both ends are equipped with the spring groove respectively, and two S springs inlay the dress respectively in the spring groove, and the one end card of S spring is established in the ring channel of pivot, the axle sleeve sets up between sleeve pipe and pivot, an upper fixed plate fixed mounting loose-leaf other end, screw thread support, adjustment rivet are installed respectively in the regulation chamber groove of last mounting, microscler hole, and the bottom of screw thread support, adjustment rivet is connected with the upper support arm respectively, and adjusting screw installs in the screw hole of screw thread support. The utility model has the advantages of simple structure, convenient to use, bearing reinforce, can realize about, adjustable and long service life.