JPS6143143U

JPS6143143U - Fuel Cap

Info

Publication number: JPS6143143U
Application number: JP12922984U
Authority: JP
Inventors: 条治春日井; 誠三浦
Original assignee: 豊田合成株式会社; トヨタ自動車株式会社
Priority date: 1984-08-24
Filing date: 1984-08-24
Publication date: 1986-03-20

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図はこの考案の一実施例を示すフユーエルキャップ
の部分断面図、第２図は同実施例に使用する止め輪の平
面図、第３図は第２図の■−■端面図、第４図は従来の
フユーエルキャップめ部分・断面図である。１，１１・・・フユーエルキャップ、２，１２・・・キ
−ヤツプ本体、３，１３・・・ねじ部、４，１４・・・
凹部、５，１５・・・フランジ部、７．１７・・・ガス
ヶット、８，１８・・・蓋体、９，１９・・・止め輪、
１０．２０・・・フィラーネック、１０ａ，２０ａ・・
・フイラーネック開口部、１９ｂ・・・止め輪内周部。Fig. 1 is a partial sectional view of a fuel cap showing an embodiment of this invention, Fig. 2 is a plan view of a retaining ring used in the same embodiment, Fig. 3 is an end view taken along the line ■-■ of Fig. 2, FIG. 4 is a sectional view of a conventional fuel cap. 1, 11... Fuel cap, 2, 12... Keycap body, 3, 13... Threaded portion, 4, 14...
Recessed part, 5, 15... Flange part, 7.17... Gas nut, 8, 18... Lid body, 9, 19... Retaining ring,
10.20... Filler neck, 10a, 20a...
- Filler neck opening, 19b...Inner circumference of retaining ring.

Claims

[Scope of utility model registration request]

a cap body having a threaded portion on the lower outer periphery to be screwed onto the filler neck, a flange portion protruding on the upper outer periphery, and an annular gasket disposed in a recess on the lower surface of the flange for sealing the filler neck; A fuel cap comprising a lid body that covers the upper part of the cap body and is secured to the outer periphery of the flange portion via an annular retaining ring,
A fuel characterized in that the inner circumferential portion of the retaining ring is disposed radially outward of the gas get, and the inner diameter of the inner circumferential portion of the retaining ring is formed to have an outer diameter dimension when the gasket is at its maximum swelling. cap.