JPS6148976U

JPS6148976U -

Info

Publication number: JPS6148976U
Application number: JP12978684U
Authority: JP
Priority date: 1984-08-29
Filing date: 1984-08-29
Publication date: 1986-04-02

Description

[Brief explanation of the drawing]

第１図はこの考案によるオイルキヤツプを施こ
してなるポンプの断面図、第２図はこの考案によ
をオイルキヤツプの断面図、第３図は同オイルキ
ヤツプに使用される仕切部材の平面図、第４図は
従来のオイルキヤツプの断面図、第５図は従来の
オイルキヤツプに使用される仕切部材の平面図で
ある。図面において、１０……ポンプ、１１……クラ
ンクケース、１３……クランク、１９……オイル
溜室、２４……注油口、２５……雌ねじ部、２６
……この考案によるオイルキヤツプ、２７……雄
ねじ部、２８……鍔部、２９……本体、３０……
パツキング部材（Ｏリング）、３１……膨隆部、
３２……窓、３３……張出し部、３４……段部、
３５……閉鎖部材、３６……空気穴、３７……段
部、３８，３９……仕切部材、である。 Fig. 1 is a sectional view of a pump equipped with an oil cap according to this invention, Fig. 2 is a sectional view of an oil cap according to this invention, and Fig. 3 is a plan view of a partition member used in the oil cap. 4 is a sectional view of a conventional oil cap, and FIG. 5 is a plan view of a partition member used in the conventional oil cap. In the drawings, 10...Pump, 11...Crankcase, 13...Crank, 19...Oil reservoir chamber, 24...Oil filler port, 25...Female thread portion, 26
...Oil cap according to this invention, 27...Male thread part, 28...Flame part, 29...Main body, 30...
Packing member (O ring), 31... bulge,
32...Window, 33...Overhang, 34...Step,
35... Closing member, 36... Air hole, 37... Step portion, 38, 39... Partitioning member.

Claims

[Scope of Claim for Utility Model Registration] (1) An oil cap for a pump crankcase that is capable of opening and closing an oil filler port formed in a crankcase in which an oil reservoir is installed, the oil cap being formed in the oil filler port. A bottomed cylindrical main body having a flange formed on the upper outer edge thereof and having a male threaded part that can be screwed to the female threaded part formed on the outer periphery, a packing member attached to the lower surface of the flange, and a lower part of the main body. a window bored in the main body to communicate the inside of the main body and the oil reservoir; a cylindrical closing member having a ceiling and fitted to the main body so as to close the upper end opening of the main body; It is characterized by comprising: an air hole that is bored through and allows communication between the inside of the main body and the outside air; and a double partition member that is disposed inside the main body and interposed between the window and the air hole. pump crankcase oil cap. (2) The oil cap for a pump crankcase according to claim 1, wherein the partition member is made of a wire mesh or a porous plate.