JPS649819U

JPS649819U -

Info

Publication number: JPS649819U
Application number: JP10417387U
Authority: JP
Priority date: 1987-07-07
Filing date: 1987-07-07
Publication date: 1989-01-19

Description

[Brief explanation of drawings]

第１図は本考案にかかる自動車用ベントチユー
ブのフロート弁の取付構造例を示す要部断面図、
第２図は本考案で用いたフロート弁の形状例を示
す外観図、第３図は第２図の―線に沿う断面
図、第４図は従来のフロート弁を備えたベントチ
ユーブの取付例を示す要部断面図、第５図、第６
図は従来のフロート弁の構造例を示す断面図であ
る。１……タンク本体、１ａ……上壁部、２……ベ
ントチユーブ、３……フロート本体、４……チヤ
ンバー、４ａ，４ｂ……通気孔、４ｃ……第１の
チヤンバー、４ｄ……第２のチヤンバー、４ｅ…
…通孔、５……フロート弁、７……エバポチユー
ブ、９……フイラーチユーブ、１３……嵌合部。 FIG. 1 is a sectional view of the main parts showing an example of the mounting structure of the float valve of the automotive vent tube according to the present invention;
Fig. 2 is an external view showing an example of the shape of the float valve used in the present invention, Fig. 3 is a sectional view taken along the line - in Fig. 2, and Fig. 4 is an example of mounting a vent tube equipped with a conventional float valve. 5 and 6 are cross-sectional views of main parts showing
The figure is a sectional view showing an example of the structure of a conventional float valve. DESCRIPTION OF SYMBOLS 1...tank body, 1a... upper wall part, 2... vent tube, 3... float body, 4... chamber, 4a, 4b... ventilation hole, 4c... first chamber, 4d... th... Chamber 2, 4e...
...Through hole, 5... Float valve, 7... Evaporative tube, 9... Filler tube, 13... Fitting portion.

Claims

[Scope of Claim for Utility Model Registration] A vent tube is disposed protruding from the upper wall of the tank body into the tank body, and a float body and the float body are swingably disposed at the protruding end of the vent tube inside the tank body. A float valve is attached to the tank body, and the other end of the vent tube is configured to communicate with the canister. In the vent tube for an automobile, the chamber forming the float valve is constituted by a first part and a second part that can be fitted with each other, and the first part and the second part are connected to each other. 1. A float valve for a vent tube for an automobile, characterized in that a fitting portion is located below a sealing portion where a chamber and a float body are sealed together when the float valve is closed.