| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a connecting part structure of a hose which can prevent entanglement of a hose by freely rotating a connecting bolt or the connecting bolt and a connecting pipe placed in no integral condition when the connecting bolt and connecting nut are tightened for connecting each hose, and can hold air-tightness even in a condition rotating the connecting nut and the connecting pipe. SOLUTION: This structure is constituted by a connecting pipe formed with a fitting part inserted in a hose in one side to extend an air-tightness hold part in one side of the fitting part to be formed with an annular lock stepped part protruded outside in the end of the air-tightness holding part; and a connecting nut successively provided in line in staircase shape with a lock part extending in a lengthwise direction a support part formed to be inserted in an engaging hole inserting the air-tightness hold part to engage the lock stepped part in the vicinity of an inlet side of the engaging hole and an adhesion part making a packing for air-tightly holding in adhesion.</p> |
