JPS6315364U

JPS6315364U -

Info

Publication number: JPS6315364U
Application number: JP10747586U
Authority: JP
Priority date: 1986-07-15
Filing date: 1986-07-15
Publication date: 1988-02-01

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例を示す部分縦断側
面図、第２図は第１図の弁体を示す部分拡大部分
縦断側面図、第３図は第２図部の部分拡大図、
第４図は第２図部の変形例を示す同じく部分拡
大図、第５図は第２図の第１変形例を示す同じく
部分拡大部分縦断側面図、第６図は第２図の第２
変形例を示す同じく部分拡大部分縦断側面図、第
７図は第６図部の部分拡大図、第８図は第６図
の部の第１変形例を示す同じく部分拡大図、第
９図は第６図部の第２変形例を示す同じく部分
拡大図、第１０図は第２図の第３変形例を示す同
じく部分拡大部分縦断側面図、第１１図は本考案
の第２実施例を示す縦断面図である。第１２図は
公知のプラグ弁を示す縦断面図である。１……弁体、２……溝、３……プラグ弁、４…
…曲面、５……テーパー面、６……弁体、６ａ…
…リング状溝、６ｂ……フランジ、６ｃ……下端
周縁、７……弁体、７ａ……リング状溝、７ｂ…
…三角形外周縁、７ｃ……テーパー外周縁、７ｄ
……曲面外周縁、８……弁体、８ａ……尖端波形
溝、９……弁体、９ａ……溝、９ｂ……水平透孔
、１０……コツク、１１……弁座。 FIG. 1 is a partial longitudinal side view showing a first embodiment of the present invention, FIG. 2 is a partially enlarged partial vertical side view showing the valve body of FIG. 1, and FIG. 3 is a partially enlarged view of the FIG.
FIG. 4 is a partially enlarged view showing a modification of the section in FIG. 2, FIG. 5 is a partially enlarged longitudinal sectional side view showing a first modification of FIG. 2, and FIG.
FIG. 7 is a partial enlarged view of the section shown in FIG. 6, FIG. 8 is a partially enlarged view showing the first modification of the section shown in FIG. 6, and FIG. FIG. 6 is a partially enlarged view showing a second modification of the section, FIG. 10 is a partially enlarged longitudinal sectional side view showing a third modification of FIG. 2, and FIG. 11 is a partially enlarged side view showing a third modification of FIG. FIG. FIG. 12 is a longitudinal sectional view showing a known plug valve. 1...Valve body, 2...Groove, 3...Plug valve, 4...
...Curved surface, 5...Tapered surface, 6...Valve body, 6a...
...Ring groove, 6b...Flange, 6c...Lower end periphery, 7...Valve body, 7a...Ring groove, 7b...
...triangular outer periphery, 7c...tapered outer periphery, 7d
... Curved outer periphery, 8 ... Valve body, 8a ... Point wave-shaped groove, 9 ... Valve body, 9a ... Groove, 9b ... Horizontal through hole, 10 ... Kotoku, 11 ... Valve seat.

Claims

[Scope of utility model registration request]

A fluid-tightly closable truncated conical valve, characterized in that a plurality of parallel annular grooves are provided on the circumferential surface of the truncated conical valve.