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1. 发明授权

US5320326A Improved structure of a quick-connect pipe fitting 失效
标题翻译：改进了快速连接管件的结构
公开(公告)号：US5320326A
公开(公告)日：1994-06-14
申请号：US74491
申请日：1993-06-11
申请人： Ted Ju , Yih-Ching Her
发明人： Ted Ju , Yih-Ching Her
IPC分类号： F16L37/091 , F16L37/35 , F16L37/42 , F16L37/28
CPC分类号： F16L37/42 , F16L37/0915 , F16L37/35
摘要： An improved structure of a quick-connect pipe fitting, and particularly a structure for a quick-connect pipe fitting used to connect a pressure pipe or a hydraulic tubing in a system comprises a compression member on top of a lock washer such that the compression member is fitted and secured in a base. When a pressure pipe is inserted into the pipe fitting, the compression member is screwed on but remains loose. In disconnecting the pressure pipe, the compression member is pushed downward, against the lock washer so as to disengage the inner teeth thereof from the pipe. The pressure pipe is no longer locked and may be pulled out easily. In addition, the quick-connect pipe fitting may include a connecting member which is used to install an air valve. Such air valve comprises a seal ring, a vent valve having vent holes, a connecting base and a spring. When the pressure pipe is inserted into the pipe fitting, it pushes the vent valve down such that the vent holes are opened and the fitting body allows air to flow therethrough. The spring normally pushes against the vent valve such that the vent holes are closed by the seal ring to form an air-tight seal.
摘要翻译：快速连接管接头的改进的结构，特别是用于连接系统中的压力管或液压管的快速连接管接头的结构包括在锁紧垫圈的顶部上的压缩构件，使得压缩构件安装在底座上。当压力管插入管接头时，压缩构件被拧紧，但保持松动。在断开压力管时，将压缩构件向下推压到锁紧垫圈上，从而将其内齿与管道分离。压力管不再被锁定，容易拉出。此外，快速连接管接头可以包括用于安装空气阀的连接构件。这种空气阀包括密封环，具有通气孔的排气阀，连接底座和弹簧。当压力管插入管接头时，将排气阀向下推，使排气孔打开，并且装配体允许空气流过。弹簧通常推动排气阀，使得通气孔被密封环封闭以形成气密密封。

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