JPS60149566U

JPS60149566U - 3-piece type non-lubricant seal ring

Info

Publication number: JPS60149566U
Application number: JP3675384U
Authority: JP
Inventors: 町田　昌司
Original assignee: 日本ピストンリング株式会社
Priority date: 1984-03-16
Filing date: 1984-03-16
Publication date: 1985-10-04

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 drawings]

第１図は従来例を示す断面図、第２図は本考案の一実施
例を示す断面図、第３図は第１及び第２摺動リツグの結
合した状態の平面図、第４図、第５図は本考案のそれぞ
れ他の実施例を示す断面図、第６図は本考案シールリン
グと従来シールリングとのガ不漏れ通路面積を比較した
グラフである。１・・・従来型シールリング、２・・・本考案シールリ
ング、２１・・・第１摺動リング、２２・・・第２摺動
リング、２３・・・弾性リング、２４・・・板状エキス
パンダ、２５・・・第１及び第２摺動リングの結合部、
２６・・・エンドレス弾性リング、２１１・・・第１摺
動リング合口部、２１２・・・第２摺動リング合口部、
３・・・ピストン、４・・・リング溝、４１・・・リン
グ溝底、５・・・シリンダ。FIG. 1 is a sectional view showing a conventional example, FIG. 2 is a sectional view showing an embodiment of the present invention, FIG. 3 is a plan view of a state in which the first and second sliding rigs are connected, and FIG. FIG. 5 is a sectional view showing other embodiments of the present invention, and FIG. 6 is a graph comparing the leakage passage area between the seal ring of the present invention and a conventional seal ring. DESCRIPTION OF SYMBOLS 1... Conventional seal ring, 2... Seal ring of the present invention, 21... First sliding ring, 22... Second sliding ring, 23... Elastic ring, 24... Plate shaped expander, 25... joint portion of the first and second sliding rings;
26... Endless elastic ring, 211... First sliding ring abutment part, 212... Second sliding ring abutment part,
3...Piston, 4...Ring groove, 41...Ring groove bottom, 5...Cylinder.

Claims

[Scope of utility model registration request]

(1) In a seal ring formed by combining a plurality of ring bodies, the outer circumferential side is formed by stacking the first sliding ring and the second sliding ring in the axial direction, while the inner circumferential side contains a plate-shaped expander. A three-piece type lubrication-free seal ring, which is a seal ring equipped with an elastic ring, and the elastic ring is brought into contact with the bottom of the ring groove.

(2) In the seal ring, the outer peripheral side is formed by stacking the first sliding ring and the second sliding ring in the axial direction, while the inner peripheral side is a seal ring with an endless elastic ring arranged, and The three-piece type lubrication-free seal ring according to claim 1, wherein the elastic ring is brought into contact with the bottom of the ring groove.