Hydraulic automatic parking device
An automatic parking and hydraulic technology, which is applied in the direction of fluid pressure actuators, brakes, brake components, etc., can solve problems such as multiple structural spaces, and achieve the effects of reliable work, compact structure, and large operating force
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[0034] This embodiment provides a hydraulic automatic parking device, which includes a housing 5, a piston cylinder 7, a piston assembly 30 and a locking mechanism.
[0035] A parking gear 6 is installed on the transmission shaft (not shown in the figure) of the vehicle, and the parking gear 6 rotates together with the transmission shaft. The return torsion spring 18 is sleeved on the positioning pin shaft 2, one end links to each other with the pawl 3, and the other end links to each other with the positioning shaft 1.
[0036] The casing 5 can be a separate part or a part of the transmission casing; in this embodiment, a cavity is formed inside the casing 5, more preferably, the cavity is divided into two parts from right to left A first diameter section, a second diameter section, a third diameter section and a fourth diameter section with successively increasing diameters, that is, the diameter of the first diameter section is smaller than the diameter of the second diamet...
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