JPS6446584U

JPS6446584U -

Info

Publication number: JPS6446584U
Application number: JP14139587U
Authority: JP
Priority date: 1987-09-16
Filing date: 1987-09-16
Publication date: 1989-03-22

Description

[Brief explanation of drawings]

第１図は本考案の１実施例に係る方向切り換え
バルブ１を構成するケース１０と回転座２０と回
転体３０とケース４０の斜視組立図、第２図は方
向切り換えバルブ１の縦断面図、第３図はケース
１０をケース４０との接合面から見た正面図、第
４図はケース４０をケース１０との接合面から見
た正面図、第５図は本考案の方向切り換えバルブ
を組み込んだ高速液体クロマトグラフイーのブロ
ツク図、第６図及び第７図は回転体３０の回転位
置を模擬的に示す図、第８図及び第９図は本考案
の変形例を示す図、第１０図は従来のバルブ機構
を組み込んだ高速液体クロマトグラフイーのブロ
ツク図。１……バルブ、１０……ケース、２０……回転
座、３０……回転体、３３，３４，３５……流路
、Ｐ_１〜Ｐ_６……ポート、Ｊ_１〜Ｊ_６……接合ジ
ヨイント、４０……ケース。 FIG. 1 is a perspective assembly view of a case 10, a rotating seat 20, a rotating body 30, and a case 40 that constitute a direction switching valve 1 according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of the direction switching valve 1. FIG. 3 is a front view of the case 10 seen from the joint surface with the case 40, FIG. 4 is a front view of the case 40 seen from the joint surface with the case 10, and FIG. 5 is a front view of the case 10 seen from the joint surface with the case 10. A block diagram of high performance liquid chromatography, FIGS. 6 and 7 are diagrams showing the rotational position of the rotating body 30, FIGS. 8 and 9 are diagrams showing modifications of the present invention, and FIGS. The figure is a block diagram of high-performance liquid chromatography incorporating a conventional valve mechanism. 1...Valve, 10...Case, 20...Rotating seat, 30...Rotating body, 33, 34, 35...Flow path, _P1 to _P6 ...Port, _J1 to _J6 ...Joining joint , 40...case.

Claims

[Scope of utility model registration request]

A circular case in which 2n (n is a natural number of 2 or more) input/output ports are provided at a pitch of 360/2n degrees, and a disc rotatably supported within the case within a range of at least 360/2n degrees. a rotating body having a shape, and forming n flow passages connecting the mutually adjacent input/output ports on the rotary body, such that the n flow passages have different flow diameters. A directional valve featuring: