Pressure relief structure for floating joint

A pressure relief assembly for a floating joint, comprising:

• a fixed retainer having an open side and a closed side opposite to the open side, the fixed retainer defining a receiving space between the open side and the closed side, the closed side being formed with a through hole, and an inner wall of the fixed retainer defining the receiving space being formed with an inner wall groove;
• an adapter joint including a first section and a second section, the adapter joint being assembled to the fixed retainer, the first section extending from the receiving space toward the open side of the first end of the fixed retainer, the second section extending from the receiving space through the through hole of the closed side and protruding to an exterior of the fixed retainer, and an axial abutting surface being formed between the first section and the second section;
• a slidable member fitted around the second section of the adapter joint from an exterior of the closed side of the fixed retainer and being radially slidably attached to an outer surface of the closed side of the fixed retainer;
• a fastening element fitted around the second section of the adapter joint from the exterior of the closed side of the fixed retainer and positioned adjacent to and in contact with the slidable member;
• an internal retaining ring disposed in the receiving space of the fixed retainer and including an outer ring portion engaged with the inner wall groove of the fixed retainer and an abutting surface exposed into the receiving space and facing toward the closed side of the fixed retainer, the abutting surface being aligned parallel with the axial abutting surface of the adapter joint;
• an abutting washer disposed in the receiving space of the fixed retainer and fitted around an outer surface of the adapter joint, the abutting washer having a first side facing toward the open side of the fixed retainer and a second side facing toward the closed side of the fixed retainer, wherein the first side of the abutting washer simultaneously abuts against the abutting surface of the internal retaining ring and the axial abutting surface of the adapter joint;
• and
• a spring disposed in the receiving space of the fixed retainer and fitted around the second section of the adapter joint, one end of the spring abutting against the second side of the abutting washer and the other end of the spring abutting against an inner surface of the closed side of the fixed retainer.