| 摘要 |
PROBLEM TO BE SOLVED: To provide a sucking structure of suction hose for fire-fighting hose, with which an object to be removed such as dust, alga or small stone can be surely removed. SOLUTION: This structure is provided with a cylindrical connection fitting 1 attached to the suction side terminal part of a suction hose A, on the outer peripheral surface of a top end of which a male screw part 6 is formed, cover member 2 having a hole part 11 for inserting the male screw part 6 of the connection fitting 1, bottomed cylindrical inside filter member 3 having a female screw part 12, which is screwed with the male screw part 6 of the connection fitting 1, on the opening part of a base end, and bottomed cylindrical outside filter member 4 attached in the form of covering from the top end side of the inside filter member 3 while having the opening part of a base end. Further, a plurality of projecting hook parts 16... are arranged on the outer peripheral surface of the inside filter member 3 and with the plurality of projecting hook parts 16..., the inner peripheral surface of the outside filter member 4 is hooked and stopped.
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