JPS61172257U

JPS61172257U -

Info

Publication number: JPS61172257U
Application number: JP1985056456U
Authority: JP
Priority date: 1985-04-16
Filing date: 1985-04-16
Publication date: 1986-10-25

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係るＵパツキンの
縦断面図、第２図は第１図のＵパツキンのＯリン
グの平面図、第３図は第２図の―線断面図、
第４図は第２図の―線断面図、第５図は第２
図の―線断面図、第６図および第７図は第１
図のＵパツキンの他の態様を示す要部断面図、第
８図は従来のＵパツキンの要部断面図、第９図は
第８図のＵパツキンのＯリングが嵌合溝から抜け
出した状態を示す図である。符号の説明、１……Ｏリング、２……凹溝、３
……通路、１００……Ｕパツキン、１０１……外
周リツプ部、１０２……内周リツプ部、１０３…
…嵌合溝。 FIG. 1 is a longitudinal sectional view of a U-packet according to an embodiment of the present invention, FIG. 2 is a plan view of the O-ring of the U-packet shown in FIG. 1, and FIG. 3 is a sectional view taken along the line - in FIG. 2.
Figure 4 is a cross-sectional view of Figure 2, and Figure 5 is a cross-sectional view of Figure 2.
- line sectional view, Figures 6 and 7 are
Fig. 8 is a cross-sectional view of the main part of the conventional U-packet showing another aspect of the U-packet shown in the figure, and Fig. 9 is a state in which the O-ring of the U-packet shown in Fig. 8 has come out of the fitting groove. FIG. Explanation of symbols, 1...O-ring, 2...concave groove, 3
... Passageway, 100 ... U packing, 101 ... Outer circumference lip section, 102 ... Inner circumference lip section, 103 ...
...Mating groove.

Claims

[Claims for Utility Model Registration] In a U-packet in which an O-ring is fitted to the bottom of a fitting groove formed along the entire circumference between an outer circumferential lip portion and an inner circumferential lip portion, the above-mentioned O A groove extending from the rear end of the fitting groove to the opening side is formed on the surface of the ring, and the groove and the inner peripheral surface of the fitting groove communicate the rear end side of the fitting groove and the opening side. U-Patsukin is characterized by the formation of a passageway.