JPS6380370U - - Google Patents

Description

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

第１図はこの考案に係るシール部材の一実施例
を示す断面図、第２図は第１図の―線に沿つ
た断面図、第３図および第４図は従来例を示し、
第３図はビスカスカツプリングの断面図、第４図
はシール部材の拡大断面図である。 （図面の主要部を示す符号の説明）、１……ケ
ーシング（第１部材）、５……軸（第２部材）、
７……シール部材、１１……装着溝、１３……受
圧溝（凹部）、２１……突子部、２３……段部。 FIG. 1 is a sectional view showing an embodiment of the sealing member according to this invention, FIG. 2 is a sectional view taken along the line - in FIG. 1, and FIGS. 3 and 4 show conventional examples.
FIG. 3 is a sectional view of the viscous cut spring, and FIG. 4 is an enlarged sectional view of the sealing member. (Explanation of symbols indicating main parts of the drawings), 1... Casing (first member), 5... Shaft (second member),
7... Seal member, 11... Mounting groove, 13... Pressure receiving groove (recess), 21... Protrusion part, 23... Step part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 相対回転する２部材間に配されるリング状シー
ル部材であつて前記２部材間に設けた装着溝に嵌
入され、軸方向両側面及びリング内外周に夫々凹
部を有し、更に受圧側凹部に軸方向に突出する複
数個の突子部を設け、前記装着溝に前記突子部を
避けて前記シール部材の受圧側外周部に向けて突
出する段部を設けたことを特徴とするシール構造
。 A ring-shaped seal member disposed between two relatively rotating members, which is fitted into a mounting groove provided between the two members, has recesses on both axial sides and the inner and outer circumference of the ring, and further has a recess on the pressure receiving side. A seal structure characterized in that a plurality of protrusions projecting in the axial direction are provided, and a step part is provided in the mounting groove to avoid the protrusions and protrude toward the pressure-receiving side outer circumference of the seal member. .