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    • 18. 发明公开
    • HYDRAULIC CYLINDER
    • 液压缸
    • EP3076029A1
    • 2016-10-05
    • EP14864780.3
    • 2014-11-12
    • KYB Corporation
    • TAKAI, Yasuhito
    • F15B15/22
    • F15B15/22F15B15/14F15B15/222
    • A fluid pressure cylinder includes the piston rod having a first tapered portion formed on an outer circumference of the piston rod so as to be inclined with respect to a center axis; a cushion bearing that is provided around the outer circumference of the piston rod; a bearing receiving portion that allows insertion of the cushion bearing; and a cushion passage that is formed between the cushion bearing and the bearing receiving portion when the cushion bearing is inserted into inside of the bearing receiving portion at the vicinity of the stroke end and that imparts resistance to flow of working fluid passing through the cushion passage. The cushion bearing has a contacting portion capable of coming into contacting with the first tapered portion, and the contacting portion is positioned with respect to the piston rod by being brought into contact with the first tapered portion.
    • 流体压缸包括活塞杆,该活塞杆具有形成在活塞杆的外周上以便相对于中心轴线倾斜的第一锥形部分; 围绕活塞杆的外周设置的缓冲轴承; 轴承容纳部分,其允许所述软垫轴承的插入; 以及缓冲通道,当缓冲轴承在行程端附近插入轴承接收部分的内部时,缓冲通道形成在缓冲轴承和轴承接收部分之间,并且阻止通过缓冲通道的工作流体的流动 。 缓冲轴承具有能够与第一锥形部接触的接触部,并且接触部通过与第一锥形部接触而相对于活塞杆定位。