JPS6375664U - - Google Patents

Description

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

第１図はこの考案によるピストンシールの一実
施例を示す要部の斜視図、第２図は第１図におけ
る一方の端部の斜視図、第３図は第２図のものの
端面図、第４図は第１図における他方の端部の斜
視図、第５図は第４図のものの端面図、第６図は
第１図のものの全体説明図、第７図は第１図のも
のの使用状態を示す説明図、第８図は従来のピス
トンシールの一例を示す展開斜視図、第９図は第
８図のものの使用状態を示す説明図である。 １，２１……シールリング、２，６……端部、
３……突起、４，７……溝、５……凹部、８……
凸部、９……境界面、１０……内壁、１１……ピ
ストン、１２……溝、１３……シリンダ、１４…
…第１密封面、１５……第２密封面、１６……第
３密封面、１７……第４密封面、２２……スプリ
ングリング。 Fig. 1 is a perspective view of the main parts showing an embodiment of the piston seal according to this invention, Fig. 2 is a perspective view of one end of Fig. 1, Fig. 3 is an end view of the piston seal shown in Fig. Figure 4 is a perspective view of the other end in Figure 1, Figure 5 is an end view of the one in Figure 4, Figure 6 is an overall explanatory view of the one in Figure 1, and Figure 7 is the use of the one in Figure 1. FIG. 8 is an exploded perspective view showing an example of a conventional piston seal, and FIG. 9 is an explanatory view showing the state in which the piston seal shown in FIG. 8 is used. 1, 21... seal ring, 2, 6... end,
3... Protrusion, 4, 7... Groove, 5... Recess, 8...
Convex portion, 9... Boundary surface, 10... Inner wall, 11... Piston, 12... Groove, 13... Cylinder, 14...
...first sealing surface, 15...second sealing surface, 16...third sealing surface, 17...fourth sealing surface, 22...spring ring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シールリングの合い口を構成する一方の端部に
形成された凹部と、他方の端部に形成された凸部
とを、シールリングの軸線方向端面に平行な境界
面を介して嵌合し、かつ、前記境界面の半径方向
の内側に内壁を一体に形成したことを特徴とする
ピストンシール。 A recess formed at one end forming a joint of the seal ring and a convex portion formed at the other end are fitted through a boundary surface parallel to an axial end surface of the seal ring, A piston seal characterized in that an inner wall is integrally formed inside the boundary surface in the radial direction.