JPH01109663U

JPH01109663U -

Info

Publication number: JPH01109663U
Application number: JP474188U
Authority: JP
Priority date: 1988-01-20
Filing date: 1988-01-20
Publication date: 1989-07-25

Description

[Brief explanation of the drawing]

第１図乃至第６図はこの考案の実施例を示し、
第１図はメカニカルシール部の半縦断面図、第２
図はＯリングの第１実施例の断面図、第３図はＯ
リングの第２実施例の断面図、第４図はＯリング
の第３実施例の断面図、第５図は第１実施例の作
用説明図、第６図は第２実施例の作用説明図であ
る。第７図は従来例によるメカニカルシール部の
半縦断面図である。図において、１は回転軸、２は回転シールリン
グ、３は従動シールリング、５はインサート部、
６はＯリング、６１は内リング、６２は外皮リン
グ、９はメカニカルシールの回転摺接部である。 1 to 6 show examples of this invention,
Figure 1 is a half-longitudinal sectional view of the mechanical seal part, Figure 2
The figure is a sectional view of the first embodiment of the O-ring, and the third figure is a cross-sectional view of the first embodiment of the O-ring.
4 is a sectional view of the third embodiment of the O-ring, FIG. 5 is an explanatory diagram of the operation of the first embodiment, and FIG. 6 is an explanatory diagram of the operation of the second embodiment. It is. FIG. 7 is a half-longitudinal cross-sectional view of a conventional mechanical seal portion. In the figure, 1 is a rotating shaft, 2 is a rotating seal ring, 3 is a driven seal ring, 5 is an insert part,
6 is an O-ring, 61 is an inner ring, 62 is an outer skin ring, and 9 is a rotating sliding contact portion of a mechanical seal.

Claims

[Scope of utility model registration request]

In an O-ring of a mechanical seal inserted between a driven seal ring that slides in contact with a rotating seal ring and an insert part, the O-ring includes an inner ring that forms the inside of the cross-section of the O-ring, and an inner ring that surrounds the inner ring. A mechanical seal O-ring characterized by consisting of a separate outer skin ring.