The invention provides a hydraulic unit, a brake pedal module and a brake system. The hydraulic unit comprises: a housing; a cylinder attached to the housing through at least two connecting rods; the first piston and the second piston are sequentially arranged in the cylinder body, so that the interior of the cylinder body is divided into a first hydraulic cavity and a second hydraulic cavity; the output shaft comprises an output rod and a driving rod, the output shaft is attached to a plate, the plate is movably sleeved on the connecting rod, and the output rod is positioned to abut against the second piston; the driving device comprises an electric driver and a sun gear, the sun gear is pivotally attached to the shell and connected to the driving rod in a sleeving mode, and the sun gear and the driving rod are provided with matched threads respectively so that lead screw transmission can be formed between the sun gear and the driving rod; the electric driver is configured to selectively drive the sun gear and drive the output shaft to move in the axial direction; wherein the housing is also attached with a closed projection, and the drive rod is accommodated in the projection.
本申请提供液压单元、制动踏板模块和制动系统。该液压单元包括:包括:壳体;缸体,其通过至少两根连接杆附接到壳体;第一活塞和第二活塞,它们依次装设在缸体之内,以便在缸体的内部分隔出第一液压腔和第二液压腔;输出轴,其包括输出杆和驱动杆,其中,输出轴附接到板,板可移动地套接在连接杆上,并且输出杆定位为抵靠第二活塞;驱动装置,其包括电驱动器和中心齿轮,其中,中心齿轮可枢转地附接到壳体并套接到驱动杆上,中心齿轮和驱动杆分别具有相匹配的螺纹,以便在中心齿轮与驱动杆之间形成丝杠传动,电驱动器配置为选择性地驱动中心齿轮并带动输出轴沿着轴向方向移动;其中,壳体还附接有封闭的突起部,驱动杆容纳在突起部之内。
Hydraulic unit, brake pedal module and brake system
液压单元、制动踏板模块和制动系统
2024-05-14
Patent
Elektronische Ressource
Chinesisch
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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