JPS6391760U

JPS6391760U -

Info

Publication number: JPS6391760U
Application number: JP1986185576U
Authority: JP
Priority date: 1986-12-03
Filing date: 1986-12-03
Publication date: 1988-06-14

Description

[Brief explanation of drawings]

第１図は本考案に係る軸封装置の一実施例を示
す要部概略的縦断側面図、第２図は同じく内側ケ
ーシングの拡大正面図、第３図は第２図―線
における内側ケーシングの縦断側面図、第４図は
リツプシールの時間による漏洩量の試験結果を示
す説明図、第５図は従来の軸封装置の要部概略的
縦断側面図である。１……ハウジング、２……シールボツクス、３
……回転軸、４……外側ケーシング、５……内側
ケーシング、５ａ……接触面、５１……係止突起
、６……リツプシール、６ａ……外周部。 FIG. 1 is a schematic longitudinal sectional side view of the main part showing an embodiment of the shaft sealing device according to the present invention, FIG. 2 is an enlarged front view of the inner casing, and FIG. FIG. 4 is an explanatory view showing the test results of the amount of leakage over time of a lip seal, and FIG. 5 is a schematic vertical side view of the main part of a conventional shaft sealing device. 1...Housing, 2...Seal box, 3
... Rotating shaft, 4 ... Outer casing, 5 ... Inner casing, 5a ... Contact surface, 51 ... Locking projection, 6 ... Lip seal, 6a ... Outer peripheral part.

Claims

[Scope of utility model registration request]

In a shaft sealing device in which a lip seal made of fluorinated ethylene resin, the outer periphery of which is sandwiched between an outer casing and an inner casing, is fixed to the inner diameter wall of a seal box of a housing into which a rotating shaft is inserted to seal the shaft. A shaft sealing device characterized in that a locking protrusion is provided on a contact surface of an inner casing that clamps an outer peripheral portion of the shaft sealing device.