JPS5940880U

JPS5940880U - Metering valve for sample liquid collection

Info

Publication number: JPS5940880U
Application number: JP13605782U
Authority: JP
Inventors: 原田　友治; 内田　静雄; 河辺　憲次; 清堀川; 川上　和三
Original assignee: 日揮株式会社; 大阪機工株式会社
Priority date: 1982-09-07
Filing date: 1982-09-07
Publication date: 1984-03-15

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例のサンプル液採取用定量バ
ルブの貯溜状態における縦断側面図、第２図は同正面図
、第３図は第１図の■−■線の要部断面図、第４図は第
１図のＩＶ−ＩＶ線の要部断面図、第５図は第１図のｖ
−Ｖ線の要部断面図、第６図は第１図のＶｌ−ＶＩ線の
要部断面図、第７図は上記定量バルブの採取状態におけ
る縦断側面図、第８図は第７図の■−■線の要部断面図
、第９図は第７図のＩＸ−ＩＸ線の要部断面図、第１Ｏ
Ｎは第８図のＸ−Ｘ線における定量バルブ全体の断面図
である。１・・・基体、１ａ・・・内腔部、２・・・弁体、Ａ・
・・給液路、Ｂ・・・排液路、Ｃ・・・送気路、Ｄ・・
・サンプル液注入路、Ｅ・・・溢流路、Ｈ・・・貯溜室
。第１図第２図第８図第１０図Fig. 1 is a longitudinal sectional side view of a metering valve for sample liquid collection according to an embodiment of this invention in a storage state, Fig. 2 is a front view thereof, and Fig. 3 is a sectional view of the main part taken along the line ■-■ in Fig. 1. , FIG. 4 is a sectional view of the main part taken along line IV-IV in FIG. 1, and FIG.
-V line is a cross-sectional view of the main part, Fig. 6 is a main part cross-sectional view of the Vl-VI line of Fig. 1, Fig. 7 is a vertical side view of the metering valve in the sampling state, and Fig. 8 is a cross-sectional view of the main part of Fig. 7. 9 is a sectional view of the main part taken along the line ■-■. Figure 9 is a sectional view of the main part taken along the line IX-IX in Figure 7.
N is a sectional view of the entire metering valve taken along line X-X in FIG. 8; DESCRIPTION OF SYMBOLS 1...Base body, 1a...Inner cavity part, 2...Valve body, A.
...Liquid supply path, B...Drainage path, C...Air supply path, D...
・Sample liquid injection path, E...overflow path, H...storage chamber. Figure 1 Figure 2 Figure 8 Figure 10

Claims

[Scope of utility model registration request]

In a valve structure in which a valve body that makes circumferential contact with the inner cavity of a base body constituting a valve seat is fitted, and the valve body is rotated in the circumferential direction to switch the flow path between sample liquid storage and collection, the base body A liquid supply path, a liquid drainage path, an air supply path, and a sample liquid injection path are arranged on each side, and each side has a liquid supply path, a liquid drainage path, an air supply path, and a sample liquid injection path that open to the sliding surface with the valve body. At the same time, a channel is bored to connect the air supply channel and the injection channel at the time of collection, and the connection port on the outflow side of the channel is made smaller than the inlet side, and the channel is used as a storage area for the sample liquid. The chamber is further formed with an overflow path that directly connects the liquid supply path and the drain path, so that the test liquid that flows from the liquid supply path during storage remains in the storage chamber and flows out from the drain path. In addition, excess test liquid flows directly from the overflow path to the drain path, and by switching the valve body, the test liquid in the storage chamber flows into the injection path as a fixed amount of sample liquid due to the air pressure in the air supply path. A metering valve for sample liquid collection, characterized in that it is configured as follows.