JPS5818158U - sealing device - Google Patents

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

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

第１図はピストンリングを用いた密封装置の一部側断面
図、第２図は本考案に係る密封装置の一実施例を具備し
た軸受装置を示し、第３図はその密封装置の一部側断面
図を示す。第４図及び第５図は本考案に係る密封装置の
他の実施例を示す。 ２２・・・・・・軸、２３・・・・・・ハウジング、２
４・・・・・・嵌状溝、２５・・・・・・ピストンリン
グ、２６・・曲弾性材。Fig. 1 is a partial side sectional view of a sealing device using a piston ring, Fig. 2 shows a bearing device equipped with an embodiment of the sealing device according to the present invention, and Fig. 3 shows a part of the sealing device. A side sectional view is shown. 4 and 5 show other embodiments of the sealing device according to the present invention. 22...Shaft, 23...Housing, 2
4...Fitting groove, 25...Piston ring, 26...Bending elastic material.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ハウジングと、このハウジングに嵌挿した軸との間に形
成される隙間を密閉するものに於いて、軸に設けた環状
溝に遊嵌され、外径面をハウジングの内周面に押圧接触
させたピストンリングと、前記環状溝に介在させた弾性
材とからなり、前記弾性材の付勢力によって前記ピスト
ンリングの側面を環状溝の側面に押圧接触させて密封す
るようにしたことを特徴とする密封装置。In a device that seals the gap formed between a housing and a shaft inserted into the housing, the shaft is loosely fitted into an annular groove provided on the shaft, and its outer diameter surface is brought into pressure contact with the inner circumference surface of the housing. The piston ring is composed of a piston ring that has a cylindrical shape, and an elastic material interposed in the annular groove, and the side surface of the piston ring is pressed into contact with the side surface of the annular groove by the biasing force of the elastic material, thereby sealing the annular groove. Sealing device.