JPH0259427U - - Google Patents
Info
- Publication number
- JPH0259427U JPH0259427U JP13720788U JP13720788U JPH0259427U JP H0259427 U JPH0259427 U JP H0259427U JP 13720788 U JP13720788 U JP 13720788U JP 13720788 U JP13720788 U JP 13720788U JP H0259427 U JPH0259427 U JP H0259427U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- fluid
- port
- metering device
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims description 9
- 239000003566 sealing material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
- Sampling And Sample Adjustment (AREA)
Description
第１図および第２図は本考案の流体定量装置の
一実施例を示すもので、第１図はピストンが上昇
したときの状態を示す縦断面説明図、第２図はピ
ストンが下降したときの状態を示す縦断面説明図
、第３図および第４図は本考案の流体定量装置の
他の実施例を示すもので、第３図はピストンが上
昇したときの状態を示す縦断面説明図、第４図は
ピストンが下降したときの状態を示す説明図であ
る。
１０……ピストン、１０ａ……大径ピストン、
１０ｂ……小径ピストン、１２……ガイド部、１
６，２２……軸、１８……ベアリング、２０……
カム、２４……シリンダ、２４ａ……上部シリン
ダ、２４ｂ……下部シリンダ、２６，２８……シ
ール材、３０……溝、３２……内壁、３４……溝
の終端部、３６……ガイド部、３８……略円錐状
部、Ａ，Ｂ……ポート、Ｖ１，Ｖ２……弁。
Figures 1 and 2 show an embodiment of the fluid metering device of the present invention. Figure 1 is a vertical cross-sectional view showing the state when the piston is raised, and Figure 2 is when the piston is lowered. FIGS. 3 and 4 show other embodiments of the fluid metering device of the present invention, and FIG. 3 is a longitudinal cross-sectional view showing the state when the piston is raised. , FIG. 4 is an explanatory diagram showing the state when the piston is lowered. 10...Piston, 10a...Large diameter piston,
10b...Small diameter piston, 12...Guide portion, 1
6, 22... shaft, 18... bearing, 20...
Cam, 24... Cylinder, 24a... Upper cylinder, 24b... Lower cylinder, 26, 28... Seal material, 30... Groove, 32... Inner wall, 34... End of groove, 36... Guide portion , 38...approximately conical portion, A, B...port, V1 , V2 ...valve.
Claims (1)
保たれて、シリンダ２４内部を往復直線移動する
ことにより、流体の定量を行う流体定量装置にお
いて、流体定量部を下方に配置するとともに、ピ
ストン１０を移動させるための機構部を上方に配
置し、シリンダ２４の内壁に螺旋状の溝３０を設
け、シリンダ２４の上部の螺旋状の溝の終端部３
４に連通するように、シリンダ２４にポートＢを
設け、シリンダ２４の下部に流体を流入させるた
めのポートＡを設けたことを特徴とする流体定量
装置。 ２ 請求項１記載の流体定量装置において、シリ
ンダ下部のポートＡを設けずに、ポートＢに流体
を流入・流出させるための３方切換弁Ｖ３を接続
したことを特徴とする流体定量装置。[Claims for Utility Model Registration] 1. In a fluid metering device in which a piston 10 is kept airtight by a sealing material 26 and moves in a reciprocating straight line inside a cylinder 24 to meter a fluid, the fluid metering section is moved downward. At the same time, a mechanism for moving the piston 10 is arranged above, a spiral groove 30 is provided on the inner wall of the cylinder 24, and a terminal end 3 of the spiral groove at the upper part of the cylinder 24 is provided.
A fluid metering device characterized in that a port B is provided in the cylinder 24 so as to communicate with the cylinder 4, and a port A is provided in the lower part of the cylinder 24 for allowing fluid to flow into the cylinder 24. 2. The fluid metering device according to claim 1, wherein the port A at the bottom of the cylinder is not provided, and a three-way switching valve V3 for causing fluid to flow in and out is connected to the port B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13720788U JPH068504Y2 (en) | 1988-10-20 | 1988-10-20 | Fluid metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13720788U JPH068504Y2 (en) | 1988-10-20 | 1988-10-20 | Fluid metering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0259427U true JPH0259427U (en) | 1990-05-01 |
| JPH068504Y2 JPH068504Y2 (en) | 1994-03-02 |
Family
ID=31398422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13720788U Expired - Lifetime JPH068504Y2 (en) | 1988-10-20 | 1988-10-20 | Fluid metering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068504Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540140A (en) * | 2020-12-16 | 2021-03-23 | 中船重工（邯郸）派瑞特种气体有限公司 | Equipment and method for measuring trace impurities in HF (hydrogen fluoride) by gas chromatography |
-
1988
- 1988-10-20 JP JP13720788U patent/JPH068504Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112540140A (en) * | 2020-12-16 | 2021-03-23 | 中船重工（邯郸）派瑞特种气体有限公司 | Equipment and method for measuring trace impurities in HF (hydrogen fluoride) by gas chromatography |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH068504Y2 (en) | 1994-03-02 |
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