JPS5939362U

JPS5939362U - oil cap

Info

Publication number: JPS5939362U
Application number: JP13585182U
Authority: JP
Inventors: 義孝田中
Original assignee: 内山工業株式会社
Priority date: 1982-09-06
Filing date: 1982-09-06
Publication date: 1984-03-13

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のオイルキャップの締着状態を示す断面図
である。第２図は本考案のオイルキャップの締着前イと
締着後口の各状態を示す断面図であ６゜第３図は本考案
のシール材の形状を他の実施例と共に余した断面図であ
る。第４図は本考案のシール材の他の実施例の断面図で
ある。Ａ・・・オイルキャップ、Ｂ・・・シリンダーヘッドカ
バー、Ｃ・・・非粘着性シール材、Ｃ１・・・非粘着性
シール材、Ｃ２・・・ニトリルゴム等のシール材、１・
・・突起環、２・・・オイル注入口、３・・・ニトリル
ゴムとコルク、またはニトリルゴム単体のシール材、４
・・・ネジ部、５・・・握りフランジ、６・・・円環面
、７・・・環状溝、８・・・シール材円環面、９・・・
シール材突起環、１０・・・半円突起環部、１１・・・
二重半円突起環部、１２・・・ビード突起環部、１３・
・・補強環。補正　昭５７Ｌ　１２．２図面の簡単な説明を次のよう−に補正する。明細書７頁ＩＯ行目に「第５図は本考案のシール材の他
の実施例の断面図である。」と挿入する。FIG. 1 is a sectional view showing a conventional oil cap in a fastened state. Fig. 2 is a sectional view showing the state of the opening of the oil cap of the present invention before and after tightening, and Fig. 3 is a cross-sectional view showing the shape of the sealing material of the present invention along with other embodiments. It is a diagram. FIG. 4 is a sectional view of another embodiment of the sealing material of the present invention. A...Oil cap, B...Cylinder head cover, C...Non-adhesive sealing material, C1...Non-adhesive sealing material, C2...Sealing material such as nitrile rubber, 1.
... Projection ring, 2... Oil inlet, 3... Nitrile rubber and cork, or nitrile rubber alone sealing material, 4
... Threaded portion, 5... Grip flange, 6... Annular surface, 7... Annular groove, 8... Sealing material annular surface, 9...
Seal material protrusion ring, 10... semicircular protrusion ring portion, 11...
Double semicircular protrusion ring portion, 12... Bead protrusion ring portion, 13.
・Reinforcement ring. Amendment 1987L 12.2 The brief description of the drawings is amended as follows. Insert the following into line IO on page 7 of the specification: "Figure 5 is a sectional view of another embodiment of the sealing material of the present invention."

Claims

[Scope of utility model registration request]

(1) In an oil cap made of metal, synthetic resin, etc. that seals the oil inlet located at the top of the head cover of an internal combustion engine, or a similar inlet; A fitting part is provided at the lower part to be fastened to the oil inlet, and a ring surface is provided around the fitting base, and a protrusion ring that is lower than the thickness of the sealing material is provided on the outer chest of the ring surface. , and a concave groove ring is provided around the inner diameter side of the annular surface to form a sealing material fitting portion, and the sealing member that fits into this sealing material fitting portion is made of fluoroelastomer,
-1 or a non-adhesive material such as silicone elastomer alone or in combination with other materials to form a ring-shaped rail, and the rail fits into the protrusion ring and seal fitting portion of the oil 1 yap. It features a structure in which it has a possible toric surface and six protruding rings on its inner diameter side, and the other surface has a shape such as a semicircular protrusion, a double semicircular protrusion, or one or more bead protrusions. Sealed structure of oil cap.

(2) The oil cap sealing structure according to claim 1, which is a registered utility model, characterized by a structure in which a reinforcing ring made of metal, synthetic resin, or the like is integrated into the upper part of the non-adhesive sealing material.