JPS6425568U - - Google Patents

Info

Publication number
JPS6425568U
JPS6425568U JP1987121703U JP12170387U JPS6425568U JP S6425568 U JPS6425568 U JP S6425568U JP 1987121703 U JP1987121703 U JP 1987121703U JP 12170387 U JP12170387 U JP 12170387U JP S6425568 U JPS6425568 U JP S6425568U
Authority
JP
Japan
Prior art keywords
seal
hole
peripheral surface
recess
mounting structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1987121703U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987121703U priority Critical patent/JPS6425568U/ja
Publication of JPS6425568U publication Critical patent/JPS6425568U/ja
Pending legal-status Critical Current

Links

Description

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

第1図は本考案実施例を採用したエンジンの断
面部分図、第2図は別の実施例の断面略図である
。 1……クランク軸、3……クランクケース、1
6……オイルシール、20……筒状ボス(回転軸
部)、21……シール装着孔、25……溝(凹部
)、26……孔内周面部分、27……シール外周
面。
FIG. 1 is a partial cross-sectional view of an engine employing an embodiment of the present invention, and FIG. 2 is a schematic cross-sectional view of another embodiment. 1...Crankshaft, 3...Crankcase, 1
6... Oil seal, 20... Cylindrical boss (rotating shaft portion), 21... Seal mounting hole, 25... Groove (recess), 26... Hole inner circumferential surface portion, 27... Seal outer circumferential surface.

Claims (1)

【実用新案登録請求の範囲】 (1) ケースの孔を貫通する回転軸部の外周に環
状シールの内周を嵌め、環状シールの外周を上記
孔の内周に嵌めたシール取付構造において、上記
孔の内周面に凹部を設け、上記シールの外周面を
形成する部分を弾性体で形成し、上記凹部以外の
孔内周面の直径を、自由状態におけるシールの外
径よりも小さく、かつ、上記孔内の所定位置まで
シールを外部から軸方向に挿入できるだけの値に
設定し、孔にシールを装着した状態において、シ
ールの外周面の一部を上記凹部に入り込ませたこ
とを特徴とするシール取付構造。 (2) 上記凹部が、孔の内周面の軸方向の一部分
に環状に形成した溝である実用新案登録請求の範
囲第1項に記載のシール取付構造。
[Scope of Claim for Utility Model Registration] (1) In a seal mounting structure in which the inner periphery of an annular seal is fitted to the outer periphery of the rotating shaft passing through a hole in the case, and the outer periphery of the annular seal is fitted to the inner periphery of the hole, A recess is provided in the inner peripheral surface of the hole, a portion forming the outer peripheral surface of the seal is made of an elastic material, and the diameter of the inner peripheral surface of the hole other than the recess is smaller than the outer diameter of the seal in a free state, and , the seal is set to a value that allows the seal to be inserted from the outside in the axial direction to a predetermined position in the hole, and a part of the outer peripheral surface of the seal is inserted into the recess when the seal is installed in the hole. Seal mounting structure. (2) The seal mounting structure according to claim 1, wherein the recess is an annular groove formed in a portion of the inner peripheral surface of the hole in the axial direction.
JP1987121703U 1987-08-07 1987-08-07 Pending JPS6425568U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987121703U JPS6425568U (en) 1987-08-07 1987-08-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987121703U JPS6425568U (en) 1987-08-07 1987-08-07

Publications (1)

Publication Number Publication Date
JPS6425568U true JPS6425568U (en) 1989-02-13

Family

ID=31368956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987121703U Pending JPS6425568U (en) 1987-08-07 1987-08-07

Country Status (1)

Country Link
JP (1) JPS6425568U (en)

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