JPS59157112U

JPS59157112U - Fastening structure

Info

Publication number: JPS59157112U
Application number: JP5230983U
Authority: JP
Inventors: 富田　「ひさし」
Original assignee: 三菱自動車工業株式会社
Priority date: 1983-04-08
Filing date: 1983-04-08
Publication date: 1984-10-22

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図は従来例の基板とボルトの接合面シール構造断面
図、第２図は本願考案によるボルトの鳥瞼図、第３図は
第２図■−■線に沿った断面図、第４図は本願考案を実
施した場合の基板とボルトとの接合面シール構造断面図
。 ′７：ボルト、９：溶−突起、１０：基板、１１：孔、
　′１２：環状溝、１３：スポットシーラ、ｄ：内径、
ｍ：孔の径。Fig. 1 is a cross-sectional view of the bonding surface seal structure of a conventional board and bolt, Fig. 2 is a bird's-eye view of the bolt according to the present invention, Fig. 3 is a cross-sectional view taken along the line ■-■ in Fig. 2, and Fig. 4 The figure is a sectional view of the joint surface seal structure between the board and the bolt when the present invention is implemented. '7: Bolt, 9: Melt projection, 10: Substrate, 11: Hole,
'12: Annular groove, 13: Spot sealer, d: Inner diameter,
m: hole diameter.

Claims

[Scope of utility model registration request]

In the seal structure at the joint between a board and a fastening member, the board has a hole through which a part of the fastening member such as a bolt or nut passes through, and a welding protrusion that welds to the board is provided on the outer edge of the joint surface between the board and the board. a fastening member having an annular groove substantially coaxial with the hole in the substrate and larger in diameter than the hole in the substrate;
A fastening structure characterized by comprising a heat-resistant icoseal material inserted into the annular groove.