Flexible volume core vent

• Main Authors: LI KEMING, XIAO WEIYUAN, AN HONG, OU DONGFANG, YU YUECHUAN, MIAO SHENGQI
• Format: Patent
• Language: English
• Published: 09.09.2015
• Subjects: ACTUATING-FLOATS; BLASTING; BRAKES; CLUTCHES; COCKS; COUPLINGS FOR TRANSMITTING ROTATION; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model discloses a flexible volume core vent, including exhaust cock body and flexible volume plunger the one end terminal surface of exhaust cock body is provided with deep trouth and shallow slot, flexible volume plunger one end is provided with and corresponds the complex round pin with deep trouth and shallow slot, the O o ring o has been cup jointed to the other end periphery of flexible volume plunger, form annular exhaust space between flexible volume plunger and the exhaust cock body in the annular exhaust space, flexible measuring has cup jointed reset spring on the plunger, the central air -out through hole who link up around flexible volume plunger is provided with be provided with and the annular radial air -out through hole who exhausts the space intercommunication on the flexible volume plunger be provided with the air vent hole with annular exhaust space intercommunication on the exhaust cock body. The utility model discloses a position of the flexible volume plunger of control changes carminative route, realizes the big microvariation of exhaust flux, and the gas vent flux is alleviated to the checking cylinder among the control rail truck braking system to reach the car brakeing jar mesh of the required time of alleviating.