JPS6239019U

JPS6239019U -

Info

Publication number: JPS6239019U
Application number: JP13075385U
Authority: JP
Priority date: 1985-08-27
Filing date: 1985-08-27
Publication date: 1987-03-09

Description

[Brief explanation of the drawing]

第１図および第２図は本考案の第１の実施例を
示し、第１図はリリーフ弁を示す縦断面図、第２
図は第１図中の要部を拡大して示す断面図、第３
図は本考案の第２の実施例を示す第２図と同様の
断面図、第４図は従来技術によるリリーフ弁を示
す縦断面図、第５図は他の従来技術によるリリー
フ弁を示す縦断面図である。９……調整ねじ、９Ａ……おねじ、２１，３１
……ケーシング、２１Ａ，３１Ａ……底部、２１
Ｂ，３１Ｂ……ねじ穴、２１Ｄ，３１Ｄ……傾斜
面、２２，３２……ロツクナツト、２２Ａ，３２
Ａ……座面、２２Ｂ，３２Ｂ……傾斜面、２３，
３３……シール部材、２３Ｃ，３３Ｃ……めねじ
。 1 and 2 show a first embodiment of the present invention, FIG. 1 is a longitudinal sectional view showing a relief valve, and FIG.
The figure is a cross-sectional view showing an enlarged view of the main parts in Figure 1.
The figure is a sectional view similar to FIG. 2 showing a second embodiment of the present invention, FIG. 4 is a longitudinal sectional view showing a relief valve according to the prior art, and FIG. 5 is a longitudinal sectional view showing a relief valve according to another prior art. It is a front view. 9...adjustment screw, 9A...male thread, 21, 31
...Casing, 21A, 31A...Bottom, 21
B, 31B...Screw hole, 21D, 31D...Slope, 22, 32...Lock nut, 22A, 32
A... Seat surface, 22B, 32B... Inclined surface, 23,
33...Seal member, 23C, 33C...Female thread.

Claims

[Scope of claims for utility model registration] (1) A liquid containing casing having a screw hole,
A threaded member having a male thread that is threaded into a threaded hole of the casing, a fastening member that is threadedly engaged with the threaded member and has a seat surface fastened to an end surface of the casing, and a seat surface of the fastening member. The fastening member has an inclined surface provided on an end surface of the casing so as to face each other, and an external shape that can be fitted between the inclined surfaces, and a female thread that is threadedly engaged with the male thread of the screw member. and a sealing member made of an elastic material which is pressed against the external thread of the threaded member by the respective inclined surfaces when the threaded part is tightened. (2) The sealing device for a threaded portion according to claim (1), wherein the sealing member is formed with a seat surface that slopes in correspondence with each of the sloped surfaces.