JPS58191464U

JPS58191464U - mechanical seal

Info

Publication number: JPS58191464U
Application number: JP8968182U
Authority: JP
Inventors: 宮原　宣武
Original assignee: 日本ピラ−工業株式会社
Priority date: 1982-06-15
Filing date: 1982-06-15
Publication date: 1983-12-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図〜第３図は本考案に係るメカニカルシールの一実
施例を示したもので、第１図はメカニカルシールの縦断
側面図、第２図はメカニカルシールの要部を分解して示
す斜視図、第３図はドライブリングの要部を切欠いて示
す斜視図であり、第４図及び第５図は夫々他の実施例を
示す第３図相当部分の斜視図である。２・・・回転軸、３・・・静止密封環、５・・・回転密
封環、６・・・ベローズ、６ａ・・・回転軸嵌着部分、
７・・・ドライブリング、７ｂ・・・突部、８・・・シ
ールリングケース、９・・・スプリング。Figures 1 to 3 show an embodiment of the mechanical seal according to the present invention. Figure 1 is a longitudinal cross-sectional side view of the mechanical seal, and Figure 2 is an exploded perspective view of the main parts of the mechanical seal. 3 are cutaway perspective views showing essential parts of the drive ring, and FIGS. 4 and 5 are perspective views of portions corresponding to FIG. 3 showing other embodiments, respectively. 2... Rotating shaft, 3... Stationary sealing ring, 5... Rotating sealing ring, 6... Bellows, 6a... Rotating shaft fitting part,
7...Drive ring, 7b...Protrusion, 8...Seal ring case, 9...Spring.

Claims

[Scope of utility model registration request]

In a mechanical seal, in which a bellows that comes into pressure contact with the rotating sealing ring is fitted onto the rotating shaft, and a drive ring is fitted into the rotating shaft fitting portion of the bellows, a circumferential direction is formed on the inner circumferential surface of the drive ring. A mechanical seal characterized by having multiple protrusions formed at regular intervals.