Patent ID: 9109735
Filing Date: 2015-08-18
Classification: F16L

Abstract:
1. A pipe joining structure joining a pipe disposed to extend along an equipment housing to a fluid passage of the equipment housing, the pipe formed by bending an end portion of the pipe about 90 degrees to form a bend portion having a tip and a straight portion, the joining structure comprises: a tubular member having an upper end with an opening, a lower end, an outer side, and an annular notch extending around the upper end of the tubular member and on the outer side of the tubular member, the tubular member further having an annular recess extending around the lower end and on the outer side of the tubular member; an O-ring is arranged in the annular recess of the tubular member; a stay having a sheet member with a thin and flat shape, the sheet member including a middle portion with a joint insert hole and a peripheral portion with a screw insert hole for fixing the stay to the equipment housing, and a tongue piece being bent and extending upwardly from the middle portion and positioned substantially opposite the screw insert hole, and the annular notch of the tubular member fitting into the joint insert hole of the sheet member, wherein: the tip of the bend portion of the pipe is inserted into an interior of the opening of the tubular member; the joint insert hole of the sheet member of the stay is fixed to the annular notch of the tubular member, the lower end of the tubular member is inserted into a spot-faced hole of the opening of the fluid passage of the equipment housing, thereby connecting the tip of the pipe to the equipment housing, the sheet member is fixed to the equipment housing at a location outside of the spot-faced hole using the screw insert hole in the sheet member, and the tongue piece of the stay is fixed to a straight portion of the pipe.