Parking mechanism for gearbox

• Main Authors: SUN SHAN, WU SONGGUO, SUN XIAN
• Format: Patent
• Language: Chinese; English
• Published: 18.02.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model belongs to the technical field of automobile gearboxes and reduction gearboxes, and particularly relates to a parking mechanism for a gearbox. According to the technical scheme, the parking mechanism for the gearbox comprises a driving rotary shaft assembly, a parking pawl, a return spring and a parking ratchet wheel which are installed in a shell. The driving rotating shaft assembly comprises a driving rotating shaft, the driving rotating shaft is installed in the shell, a parking limiting plate is connected to the driving rotating shaft, and the driving rotating shaft is sleeved with a parking cam; a limiting groove is formed in the parking limiting plate, a boss is fixed to the parking cam, and the boss extends into the limiting groove. Protrusions are arranged on the periphery of the parking cam, pawl teeth matched with tooth grooves of the parking ratchet wheel are arranged on one side of the parking pawl, and a first pawl face section and a second pawl face section which are matched wi