Double-seat control regulating valve for oil injector of diesel engine

• Main Authors: LI JINBIAO, JIA GUANGFEI
• Format: Patent
• Language: Chinese; English
• Published: 24.10.2023
• Subjects: BLASTING; COMBUSTION ENGINES; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF; WEAPONS

The utility model relates to the technical field of oil sprayers, and discloses a diesel engine oil sprayer double-seat control regulating valve which comprises an oil sprayer body, a connecting column is fixedly connected to the bottom of the oil sprayer body, an oil inlet pipeline is arranged in the oil sprayer body, and a spraying hole is formed in the bottom of the connecting column. A needle valve is arranged at the top of the spraying hole and arranged in the connecting column and the oil sprayer body, a pressure cavity is formed in the connecting column, the needle valve is matched with the pressure cavity, a first spring is fixedly connected to the top of the needle valve, and a first armature is fixedly connected to the top of the first spring. A cavity is formed in the oil sprayer body. According to the utility model, the double-seat control regulating valve is used for controlling the fuel injection quantity and regulating the effective fuel flow area of the fuel inlet hole so as to achieve the eff