JPS6336668U - - Google Patents
Info
- Publication number
- JPS6336668U JPS6336668U JP12947286U JP12947286U JPS6336668U JP S6336668 U JPS6336668 U JP S6336668U JP 12947286 U JP12947286 U JP 12947286U JP 12947286 U JP12947286 U JP 12947286U JP S6336668 U JPS6336668 U JP S6336668U
- Authority
- JP
- Japan
- Prior art keywords
- ball nut
- pump
- plunger
- screw
- cylinder head
- 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.)
- Pending
Links
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000004811 liquid chromatography Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は、本発明の一実施例の横断面図、第２
図は同じく他の実施例の横断面図、第３図は、従
来の例の横断図、第４図は、逆止弁の取り付け位
置を示した説明図、第５図、第６図は、プランジ
ヤの変位パターンを示した線図である。
１……プランジヤ、２……シール、３……シリ
ンダヘツド、５……ピストン、６……カムフオロ
ワ、７……カム、８……軸受、９……タイミング
ベルト、１０……パルスモータ、１１……リニア
ガイドウエイ、１５……減速機、１６……戻しバ
ネ、１７……吸入弁、１８……吐出弁。
FIG. 1 is a cross-sectional view of one embodiment of the present invention, and FIG.
The figure is a cross-sectional view of another embodiment, FIG. 3 is a cross-sectional view of a conventional example, FIG. 4 is an explanatory diagram showing the mounting position of the check valve, and FIGS. 5 and 6 are: FIG. 3 is a diagram showing a displacement pattern of a plunger. 1... Plunger, 2... Seal, 3... Cylinder head, 5... Piston, 6... Cam follower, 7... Cam, 8... Bearing, 9... Timing belt, 10... Pulse motor, 11... ... Linear guideway, 15 ... Speed reducer, 16 ... Return spring, 17 ... Suction valve, 18 ... Discharge valve.
Claims (1)
ヘツドとシリンダヘツドに形成したポンプ室を往
復運動するプランジヤ及びプランジヤを往復運動
させるための駆動装置からなるポンプにおいて、
駆動装置としてボールナツトスクリユ、ボールナ
ツトスクリユのネジ部、ナツト部のいずれかに回
転を防止する機構を取りつけ、ボールナツトスク
リユを減速して回転させるための減速機とモータ
から構成したことを特徴とする液体クロマトグラ
フイ用ポンプ。 A pump comprising a cylinder head having a check valve in a suction passage and a discharge passage, a plunger that reciprocates in a pump chamber formed in the cylinder head, and a drive device for reciprocating the plunger,
As a drive device, a mechanism to prevent rotation is attached to either the ball nut screw, the screw part of the ball nut screw, or the nut part, and it is composed of a reducer and a motor to slow down and rotate the ball nut screw. A pump for liquid chromatography featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12947286U JPS6336668U (en) | 1986-08-27 | 1986-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12947286U JPS6336668U (en) | 1986-08-27 | 1986-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6336668U true JPS6336668U (en) | 1988-03-09 |
Family
ID=31026070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12947286U Pending JPS6336668U (en) | 1986-08-27 | 1986-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6336668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6923916B1 (en) | 2002-10-18 | 2005-08-02 | Hitachi High-Technologies Corporation | Liquid chromatograph pump and control method therefor |
-
1986
- 1986-08-27 JP JP12947286U patent/JPS6336668U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6923916B1 (en) | 2002-10-18 | 2005-08-02 | Hitachi High-Technologies Corporation | Liquid chromatograph pump and control method therefor |
| US7063513B2 (en) | 2002-10-18 | 2006-06-20 | Hitachi High-Technologies Corporation | Liquid chromatograph pump with dual cylinders and dual plungers |
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