Pedal arm assembly, brake pedal assembly and vehicle

The utility model discloses a pedal arm component, brake pedal assembly and vehicle, including: pedal arm, pedal piece for pedaling, axle tube, first reinforcing rib and second reinforcing rib, pedal arm has first end portion, second end portion and connect the middle arm section between first end portion and second end portion, the middle arm section is provided with a snakelike sub-section connected with the second end part, a pedal sheet for treading is arranged on the first end part of the pedal arm, the shaft tube is fixed on the second end part of the pedal arm in a penetrating manner, and reinforcing ribs are arranged on two sides of the snakelike sub-section of the pedal arm. According to the pedal arm assembly, the problem that the strength cannot be met due to the fact that most pedal arm assemblies can increase the lever ratio by increasing the length of the pedal arm assemblies is solved. 本实用新型公开了一种踏板臂组件、制动踏板总成及车辆，包括：踏板臂、供踩踏的踏板片、轴管、第一加强筋和第二加强筋，踏板臂具有第一端部和第二端部以及连接在第一端部和第二端部之间的中间臂段，中间臂段具有与第二端部接续的蛇形子段