WATER LEAKAGE PREVENTION DEVICE

• Main Authors: MIYATA KAZUAKI, IWAMATSU YUJI, YOSHINARI YUTA, SEDAKE MASUMI
• Format: Patent
• Language: English; Japanese
• Published: 05.09.2023
• Subjects: BLASTING; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; FOUNDATIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HYDRAULIC ENGINEERING; LIGHTING; MECHANICAL ENGINEERING; PISTONS; SEALINGS; SOIL SHIFTING; THERMAL INSULATION IN GENERAL; WEAPONS

To provide a water leakage prevention device capable of smoothly and easily performing mounting work to a narrow water leakage part.SOLUTION: A water leakage prevention device comprises: a first flange and a second flange that are fixed in so as to face each other around a piston shaft; a plurality of retrofitted packings housed in a circular hole part formed between the first flange and second flange and the piston shaft; a packing presser member that is fitted onto the upper parts of the first flange and the second flange, prevents the retrofitted packing from coming off from the hole part, and is divided into two semicircular shapes; and a plurality of pressing claws that is movably attached to the first flange and the second flange, and presses the packing presser member.SELECTED DRAWING: Figure 2 【課題】狭隘な漏水箇所への取付け作業を円滑・容易に行うことを可能とした漏水防止装置を提供する。【解決手段】ピストン軸の周囲に相対向する状態で固定される第１フランジ及び第２フランジと、前記第１フランジ及び第２フランジとピストン軸との間に形成される円形状の孔部に収納される複数の後付けパッキンと、前記第１フランジ及び第２フランジの上部に嵌着されて前記後付けパッキンが孔部から抜脱するのを防ぐ半円形状に２分割されたパッキン押え部材と、前記第１フランジ及び第２フランジに進退可能に取付けられて前記パッキン押え部材を押圧する複数の押圧爪と、を備えて漏水防止装置を構成した。【選択図】図２