The invention relates to the field of spring braking air chambers, and discloses a breather valve for a spring braking air chamber. The breather valve comprises a piston rod, a ventilation channel isarranged in the piston rod, a breathing cavity is formed in the piston rod, a plug is arranged at one end of the breathing cavity, the ventilation channel communicates with the breathing cavity, a valve plate is arranged in the breathing cavity, the valve plate isolates the breathing cavity into a first breathing cavity and a second breathing cavity which not communicate with each other, the ventilation channel communicates with the first breathing cavity, and the ventilation channel does not communicate with the second breathing cavity. A first breathing hole and a second breathing hole are formed in the piston rod, the first breathing hole always communicates with the first breathing cavity, and the second breathing hole always communicates with the second breathing cavity. The breathingstructure has the advantages of simple structure, convenient installation, low follow-up maintenance cost and long service life.
本发明涉及弹簧制动气室领域,公开了用于弹簧制动气室的呼吸阀,包括活塞杆,活塞杆内设置通气通道,活塞杆内设置有呼吸腔,呼吸腔的一端设置有堵头,通气通道与呼吸腔连通,呼吸腔内设置有阀片,阀片将呼吸腔隔离为互不连通的第一呼吸腔和第二呼吸腔,通气通道和第一呼吸腔连通,通气通道与第二呼吸腔不连通;活塞杆上设置有第一呼吸孔和第二呼吸孔,第一呼吸孔和第一呼吸腔始终连通,第二呼吸孔和第二呼吸腔始终连通。该呼吸结构具有结构简单,安装方便,后续维护成本低,使用寿命长的优点。
Breather valve for spring braking air chamber and spring braking air chamber
用于弹簧制动气室的呼吸阀及一种弹簧制动气室
2020-07-28
Patent
Elektronische Ressource
Chinesisch
Modular breather valve for spring brake chamber and spring brake chamber
Europäisches Patentamt | 2021
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