| 摘要 |
<p>Disclosed is a master cylinder for vehicles. According to an embodiment of the present invention, the master cylinder for the vehicles comprises: a cylinder housing forming a first hollow portion inside, a first suction port and a first discharge port at one front side and the other side, and a second suction port at one rear side; a hollow piston dividing the first hollow portion of the cylinder housing into front and rear parts, installed to move back and forth in the first hollow portion, and forming the second hollow portion inside with an inlet at the center of the rear side; a fixed piston fixed to the front side of the cylinder housing through a piston rod to be operated in the second hollow portion, and forming a second discharge port in a longitudinal direction inside with the piston rod; a push rod installed corresponding to the inlet of the hollow piston through the rear side of the cylinder housing to deliver operation power of a booster to the hollow piston; a first return spring placed between the cylinder housing and the hollow piston in the cylinder housing to supply restoring force to the hollow piston; and a second return spring installed between the rear side of the hollow piston and the leading end of the push rod with a certain distance between the rear side of the hollow piston and the leading end of the push rod.</p> |
