JPS5911952U

JPS5911952U - blind lid

Info

Publication number: JPS5911952U
Application number: JP10726782U
Authority: JP
Inventors: 村上　亘可
Original assignee: トヨタ自動車株式会社
Priority date: 1982-07-15
Filing date: 1982-07-15
Publication date: 1984-01-25

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の盲蓋のシール構造を示すシリンダヘッド
のウォータジット穴近傍の断面図、第２図は従来の盲蓋
の断面図、第３図は板の厚さを変えて中高のシール面を
形成する場合の盲蓋近傍の分解断面図、第４図は本考案
の一実施例に係る盲蓋の平面図、第５図は第４図の盲蓋
の正面図、第６図は第４図の盲蓋の断面図、第７図は第
４図の盲蓋をシリンダヘッドのウォータジャケット穴に
装着したときの装着部近傍の断面図、である。２０・・・盲蓋、２１・・・リブ、２２・・・シール面
、２２ａ・・・長辺側のシール面、２２ｂ・・・短辺側
のシール面、２３・・・ガスケット、２４・・・シリン
ダヘッド、２５・・・ボルト、２７・・・リブ。Figure 1 is a cross-sectional view near the water jet hole in the cylinder head showing the seal structure of a conventional blind lid, Figure 2 is a cross-sectional view of a conventional blind lid, and Figure 3 is a mid-high seal with a different plate thickness. FIG. 4 is a plan view of the blind lid according to an embodiment of the present invention, FIG. 5 is a front view of the blind lid shown in FIG. 4, and FIG. FIG. 4 is a cross-sectional view of the blind cover, and FIG. 7 is a cross-sectional view of the vicinity of the mounting portion when the blind cover of FIG. 4 is installed in the water jacket hole of the cylinder head. 20... Blind lid, 21... Rib, 22... Seal surface, 22a... Seal surface on the long side, 22b... Seal surface on the short side, 23... Gasket, 24... ...Cylinder head, 25...Bolt, 27...Rib.

Claims

[Scope of utility model registration request]

A blind lid made of a thin plate having a low-rigidity rib in the center and a sealing surface formed around the rib, characterized in that the sealing surface is smoothly curved in a convex shape over the entire length of the side when the blind lid is free. lid.