JPS6455371U

JPS6455371U -

Info

Publication number: JPS6455371U
Application number: JP1987150195U
Authority: JP
Priority date: 1987-09-30
Filing date: 1987-09-30
Publication date: 1989-04-05

Description

[Brief explanation of the drawing]

第１図は、本考案の密封装置の縦断面図、第２
図は、本考案の密封装置がＡ方向へのスラスト力
を受けた場合の動作説明図、第３図は、本考案の
密封装置がＢ方向のスラスト力を受けた場合の動
作説明図、第４図は、従来技術による密封装置の
縦断面図である。符号の説明、１……密封装置、２……可動軸、
３……外側環体、４……シールリツプ部、５……
内環シール部、６……内壁、７……第１ダストリ
ツプ、８……金属補強環、９……内側シール部、
１０……内周面、１１……シールリツプ部、１２
……ばね、１３……金属環、１４……第２ダスト
リツプ、１５……ハウジング。 Fig. 1 is a vertical sectional view of the sealing device of the present invention, Fig.
The figure is an explanatory diagram of the operation when the sealing device of the present invention receives a thrust force in the direction A. Figure 3 is an explanatory diagram of the operation when the sealing device of the present invention receives a thrust force in the direction B. FIG. 4 is a longitudinal sectional view of a sealing device according to the prior art. Explanation of symbols, 1...Sealing device, 2...Movable axis,
3...Outer ring body, 4...Seal lip portion, 5...
Inner ring seal part, 6... Inner wall, 7... First dust strip, 8... Metal reinforcing ring, 9... Inner seal part,
10... Inner peripheral surface, 11... Seal lip portion, 12
... Spring, 13 ... Metal ring, 14 ... Second dust strip, 15 ... Housing.

Claims

[Scope of utility model registration request]

It consists of an outer ring body, an inner ring seal part having a first dust lip in contact with the inner wall of the outer ring body, and an inner ring seal part having a seal lip in contact with the inner ring seal part to seal the sealing fluid. ,
A sealing device comprising, on the side opposite to the inner seal part, a second dust strip in contact with the inner seal part.