Injection nozzle and cold runner mold

The utility model discloses an injection nozzle and a cold runner mold, which belong to the technical field of injection molds, and comprise an injection nozzle with an injection channel; the discharging nozzle is provided with a discharging channel; the discharging channel extends into the injection channel and is communicated with the injection channel; a positioning boss is arranged on the discharging nozzle; the positioning boss is provided with a first positioning surface and a second positioning surface; the end surface of one end of the discharge nozzle far away from the injection nozzle is a plane; the rigid gasket is arranged on the discharging nozzle in a sleeving manner; the rigid gasket is respectively propped against the injection nozzle and the first positioning surface; the fastening sleeve is arranged on the discharging nozzle in a sleeving manner; a first fastening face is arranged on the inner wall face of the fastening sleeve and abuts against the second positioning face. According to the u