Fuel injection head

The utility model discloses a fuel injection head, including the injector head body, be equipped with at least one spraying aperture on the wall of injector head body, spraying aperture includes entrance and export section, and the entrance links to each other with the injector head body is inside, and this is external to export section intercommunication injector head, the aperture self -blowingof entrance penetrate first body inside to the inside of wall reduces gradually, the aperture of export section certainly the inside of wall is crescent to injector head body outside, the entrance isan opening towards the inside bell mouth of injector head body, export duan weiyi opening is towards the outside bell mouth of injector head body, the length of export section accounts for 10% to 30%of spraying aperture length. The utility model discloses a fuel injection head, spraying aperture is difficult to be stopped up, and the atomization quality of fuel is high simultaneously, and it is more abundant to make diesel