Gear shifting control mechanism of automatic transmission

Abstract

The invention discloses a gear shifting control mechanism of an automatic transmission. The gear shifting control mechanism comprises a gear shifting control mechanism body, the gear shifting controlmechanism body comprises a gear shifting assembly fixed on a vehicle body through a mounting part and a gear shifting electromagnetic valve; the gear shifting assembly comprises a control lever, a limiting plate, a gear shifting seat and a rocker arm plate, a limiting pin is inserted into the bottom of the control lever, the limiting pin slides up and down in a guide hole in the side wall of a guide groove, and a reset piece at the lower part of the limiting pin makes the limiting pin always in contact with the limiting plate; a stay wire mounting pin is arranged at the upper part of the rocker arm plate, and a P-gear limiting hole and an N / D-gear limiting hole are formed in the right edge of the rocker arm plate at intervals; and an electromagnetic valve shaft head is inserted into the gear shifting electromagnetic valve in a sliding manner. According to the gear shifting control mechanism, not only can the national standard be met, but also the gear shifting assembly has a simple structure, machining is convenient, installation space is saved; moreover, the gear shifting base and the rocker arm plate are integrally formed, the machining cost is saved, the gear shifting assembly is directly installed in a installation base through a rotating shaft during installation, and then the installation base is installed on an automobile body floor through four bolts, so that the installation is simple and quick.

Description

technical field [0001] The invention relates to a gear shifting mechanism, in particular to a gear shifting mechanism of an automatic transmission. Background technique [0002] Automobile transmission is a speed change mechanism that adjusts the speed and torque output by the engine by changing its gear, so that the vehicle can run normally under different working conditions. The shift control mechanism of the transmission is usually installed in the driver's cab, and is connected with the transmission on the chassis of the car through the shift cable. The control mechanism uses the shift cable to pull the shift shaft of the transmission. [0003] The gear positions of existing automatic transmission include parking gear (P gear), reverse gear (R gear), neutral gear (N gear) and forward gear (D gear). "GB7258-2017 Motor Vehicle Operation Safety Technical Conditions" stipulates that when the car shifts into or through the reverse gear into other gears and when shifting from...

AI Technical Summary

Problems solved by technology

However, although the shifting mechanisms on the market can meet the requirements of the national standard, most of the shifting mechanisms have the defects of complex structure and high processing cost

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