JPS62120026U

JPS62120026U -

Info

Publication number: JPS62120026U
Application number: JP663586U
Authority: JP
Priority date: 1986-01-22
Filing date: 1986-01-22
Publication date: 1987-07-30

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例に係る開放状態の
ドレン構造を示す断面図（但し、図中の固定ベー
ス１６は第３図中の矢示―線に沿つた断面を
示している。）、第２図は遮蔽状態のドレン構造
を示す第１図相当の断面図、第３図は固定ベース
を示す斜視図、第４図は底部に設けたドレン口を
示す斜視図、第５図は第４図中矢示―線に沿
う断面図、第６図はこの考案の他の実施例に係る
ドレン構造を示す断面図、第７図はこの考案の更
に他の実施例を示すドレン構造の断面図、第８図
はこの考案の更に他の実施例を示すドレン構造の
断面図、第９図はこの考案の更に他の実施例を示
すドレン構造の断面図、そして第１０図はこの考
案の更に他の実施例を示すドレン構造の断面図、
第１１図はこの考案の従来例を示すドレン構造の
断面図である。９，３３，５４……燃料タンク、１０，３４，
４４，４８，５０……底部、１１，３６，４３，
４７，５２……ドレン口、１４……爪、１６……
固定ベース、１７……脚部、１８……筒状胴部、
１９……頭部フランジ、２０……ドレンナツト、
２３……可動ベース、２５……リテーナ、２７…
…Ｏリング、２９，８０……ドレンボルト、３０
……ドレン通路。 FIG. 1 is a cross-sectional view showing a drain structure in an open state according to an embodiment of this invention (however, the fixed base 16 in the figure shows a cross section along the arrow - line in FIG. 3). , Fig. 2 is a sectional view equivalent to Fig. 1 showing the drain structure in a shielded state, Fig. 3 is a perspective view showing the fixed base, Fig. 4 is a perspective view showing the drain port provided at the bottom, and Fig. 5 is a perspective view showing the drain port provided at the bottom. Fig. 4 is a sectional view taken along the arrow line in Fig. 6, Fig. 6 is a sectional view showing a drain structure according to another embodiment of this invention, and Fig. 7 is a sectional view of a drain structure showing still another embodiment of this invention. 8 is a sectional view of a drain structure showing still another embodiment of this invention, FIG. 9 is a sectional view of a drain structure showing still another embodiment of this invention, and FIG. 10 is a sectional view of a drain structure showing still another embodiment of this invention. A sectional view of a drain structure showing still another embodiment,
FIG. 11 is a sectional view of a drain structure showing a conventional example of this invention. 9,33,54...Fuel tank, 10,34,
44, 48, 50... bottom, 11, 36, 43,
47, 52...Drain port, 14...Claw, 16...
fixed base, 17... leg section, 18... cylindrical body section,
19...Head flange, 20...Drain nut,
23...Movable base, 25...Retainer, 27...
...O-ring, 29,80...Drain bolt, 30
...Drain passage.

Claims

[Scope of utility model registration request]

A bottom with a recess formed at the lowest part of the fuel tank, a drain port formed in the bottom, a base member attached to either the outer surface or the inner surface of the fuel tank and communicating with the drain port at the bottom, and a threaded connection between the base member and the drain port. A drain structure for a fuel tank, characterized in that the nut is attached to the nut and opens and closes the drain port.