JPS62104004U

JPS62104004U -

Info

Publication number: JPS62104004U
Application number: JP19606085U
Authority: JP
Priority date: 1985-12-20
Filing date: 1985-12-20
Publication date: 1987-07-02

Description

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

図面第１，２図はこの考案の実施例を示すもの
で、第１図は要部の断面図、第２図はステツプシ
ールとフラツト型シールとの単位面積当りの面圧
を示した要部断面図、第３，３図は従来のシール
構造を示すもので、第３図は上記第１図に相当す
る断面図、第３図は上記第２図に相当する断面図
である。２…低圧シール、３…ステツプシール、３ａ…
接触部、６…フラツト型シール、６ａ…接触面。 Figures 1 and 2 show an embodiment of this invention. Figure 1 is a sectional view of the main part, and Figure 2 is the main part showing the surface pressure per unit area of the step seal and flat seal. The sectional views, FIGS. 3 and 3, show a conventional seal structure, with FIG. 3 being a sectional view corresponding to the above-mentioned FIG. 1, and FIG. 3 being a sectional view corresponding to the above-mentioned FIG. 2. 2...Low pressure seal, 3...Step seal, 3a...
Contact portion, 6... Flat seal, 6a... Contact surface.

補正昭６１．３．２２図面の簡単な説明を次のように補正する。明細書第５頁第１８行から第２０行に「第３，
３図は……第３図は上記第２図に」とあるのを下
記のとおり補正する。「第３，４図は、従来のシール構造を示すもの
で、第３図は上記第１図に相当する断面図、第４
図は上記第２図に」Amendment: March 22, 1981 The brief description of the drawing is amended as follows. From page 5, line 18 to line 20 of the specification, “3rd,
Figure 3 is corrected as follows: ``Figure 3 is in Figure 2 above.''"Figures 3 and 4 show the conventional seal structure. Figure 3 is a cross-sectional view corresponding to Figure 1 above,
The diagram is shown in Figure 2 above.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

軸方向外側に低圧シールを設け、ピストンロツ
ドとの接触部を鋭利にしたステツプシールを軸方
向内側に設けてなる油圧シリンダのシール構造に
おいて、上記ステツプシールよりも軸方向内側に
、接触面をフラツトにしたフラツト型シールを設
けてなる油圧シリンダのシール構造。 In a hydraulic cylinder seal structure in which a low-pressure seal is provided on the axially outer side and a step seal with a sharp contact portion with the piston rod is provided on the axially inner side, the contact surface is flat on the axially inner side of the step seal. A hydraulic cylinder seal structure with a flat seal.