JPH0319171U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係る軸封装置の第１実施例を
示す要部概略的断面図、第２図は同じく押え部材
の正面図、第３図は本考案に係る軸封装置の第２
実施例を示す要部概略的断面図、第４図は同じく
内環を有する回転環の要部断面図、第５図は従来
の軸封装置の一例を示す要部概略的断面図である
。 １……船体、２……ケーシング、３……回転軸
（プロペラ軸）、５……固定環（メイテイングリ
ング）、５ａ……摺動面、７……回転環（シール
リング）７ａ……摺動面、７１……係止部、１０
……押え部材、１０ａ……係止片、１１……内環
、１２……凹凸係合部。 FIG. 1 is a schematic cross-sectional view of the main parts of a first embodiment of the shaft sealing device according to the present invention, FIG. 2 is a front view of the holding member, and FIG. 3 is a second embodiment of the shaft sealing device according to the present invention.
FIG. 4 is a schematic cross-sectional view of a main part showing an embodiment, FIG. 4 is a cross-sectional view of a main part of a rotary ring having an inner ring, and FIG. 5 is a schematic cross-sectional view of a main part showing an example of a conventional shaft sealing device. 1... Hull, 2... Casing, 3... Rotating shaft (propeller shaft), 5... Fixed ring (mating ring), 5a... Sliding surface, 7... Rotating ring (seal ring) 7a... Sliding surface, 71...Locking part, 10
... Pressing member, 10a ... Locking piece, 11 ... Inner ring, 12 ... Concave and convex engaging portion.

Claims (1)

【実用新案登録請求の範囲】 １ 回転軸が挿通された船体に締結されるケーシ
ングと、このケーシングに固定される固定環と、
この固定環にシール液圧と共に弾性的に圧接摺動
されかつ前記回転軸側に固定された弾性素材から
なる回転環と、この回転環の後端外周に突設した
係止部とを備え、この係止部に、前記ケーシング
の内径部から突出させた押え部材を係止可能にし
て前記回転環を押圧支持したことを特徴とする軸
封装置。 ２ 回転軸と回転環とのセツト面間に、該回転環
の軸方向の相対的移動を許容する内環を設けたこ
とを特徴とする請求項１記載の軸封装置。[Scope of Claim for Utility Model Registration] 1. A casing fastened to the hull through which a rotating shaft is inserted, a fixed ring fixed to this casing,
A rotating ring made of an elastic material that is elastically pressed against and slid on the fixed ring with sealing liquid pressure and fixed to the rotating shaft side, and a locking portion protruding from the outer periphery of the rear end of the rotating ring, A shaft sealing device characterized in that a presser member protruding from an inner diameter portion of the casing can be locked in the locking portion to press and support the rotary ring. 2. The shaft sealing device according to claim 1, further comprising an inner ring provided between the set surfaces of the rotating shaft and the rotating ring to allow relative movement of the rotating ring in the axial direction.