Patent ID: 8104508
Filing Date: 2012-01-31
Classification: F16K,F17C,Y02E,Y10T

Abstract:
1. An assembling structure for use with a gas tank for storing high pressure gas in which the gas tank includes an opening, the assembling structure comprising: a plug body mounted to the gas tank for plugging the opening in the gas tank, wherein the plug body has a plug body housing including a receiving recess which opens toward the outside, a first passage communicating the receiving recess with the outside of the gas tank, a second passage communicating the receiving recess with the inside of the gas tank, and an internal threaded portion formed in an inner circumferential surface of the receiving recess; and plural valve devices including at least a first valve device and a second valve device fluidically connected in series to selectively open and close fluid communication between the first passage and the second passage, such that high pressure gas entering or exiting the gas tank must traverse both said first valve device and said second valve device, wherein the first valve device is a manual valve which is threaded into the internal threaded portion so as to be operable from outside the plug body housing, and the manual valve presses the second valve device to secure the second valve device in the receiving recess, and wherein the second valve device is a one way valve held between a bottom surface of the receiving recess and the manual valve and configured to permit high pressure gas, having passed through the first valve device, to pass the second valve device and enter the second passage, and configured to prevent high pressure gas in the second passage from passing the second valve device.