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[CN 201721203211.0] piston rod assembly of hydraulic machine master cylinder body
[CN 201721203211.0] Title of a hydraulic machine master cylinder piston rod assembly: Application number of a hydraulic machine master cylinder piston rod assembly: CN 201721203211.0 Applicant: Nantong Emuxi Machinery Co., Ltd. Application Date: 2017-9-20 Patent Type: Utility Model The utility model discloses a hydraulic machine master cylinder cylinder piston rod assembly, including a cylinder body, a piston rod arranged in the cylinder body and a piston fixed at the end of the piston rod, A sealing ring and a groove are arranged in an annular manner on the side wall of the piston, and the groove is provided with a liquid guide groove extending to the middle of the piston and an oil collecting tank fixed in the middle of the piston. The utility model adds a liquid guide groove and an oil collecting tank in the traditional structure. When the sealing performance of the sealing ring is not strong, the medium oil will enter the liquid guide groove from the groove and flow to the oil collecting tank, and regularly observe the oil collecting tank If the oil volume is abnormally high, the sealing ring needs to be replaced.
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