JPS62138871U

JPS62138871U -

Info

Publication number: JPS62138871U
Application number: JP2579786U
Authority: JP
Priority date: 1986-02-26
Filing date: 1986-02-26
Publication date: 1987-09-01

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の要部を示す断面図
、第２図は第１図の―線におけるシールケー
スを示す概略図、第３図は第１図の―線にお
けるシールケースを示す概略図、第４図は本考案
の変形実施例を示す断面図、第５図はシール部材
を示す概略図、第６図は第４図の―線におけ
るシール部材を示す概略図、第７図は第４図の
―線におけるシール部材を示す概略図、第８図
は第４図の―線におけるシール部材を示す概
略図、第９図は従来例を示す断面図である。図中、１はピストンロツド、３はシール部材、
４はシールケース、５は溝、Ａは圧縮室、Ｂは被
圧縮流体、Ｃは接触面、Ｄは通路である。 Fig. 1 is a sectional view showing the main part of an embodiment of the present invention, Fig. 2 is a schematic diagram showing the seal case taken along the - line in Fig. 1, and Fig. 3 is a schematic view showing the seal case taken along the - line in Fig. 1. FIG. 4 is a sectional view showing a modified embodiment of the present invention; FIG. 5 is a schematic view showing a sealing member; FIG. 6 is a schematic view showing a sealing member taken along line - in FIG. 4; The figure is a schematic diagram showing the sealing member taken along the line --- in FIG. 4, FIG. 8 is a schematic diagram showing the sealing member taken along the -- line in FIG. 4, and FIG. 9 is a sectional view showing a conventional example. In the figure, 1 is a piston rod, 3 is a seal member,
4 is a seal case, 5 is a groove, A is a compression chamber, B is a fluid to be compressed, C is a contact surface, and D is a passage.

Claims

[Scope of utility model registration request]

In a piston rod shaft sealing device for a reciprocating compressor having a seal member surrounding the piston rod and in contact with the seal case between the piston rod and the seal case, on either one of the contact surfaces between the seal case and the seal member, A piston rod shaft sealing device for a reciprocating compressor, characterized in that a groove is provided to form a passage through which fluid to be compressed passes from the compression chamber side.