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
Application number
JP12947286U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12947286U priority Critical patent/JPS6336668U/ja
Publication of JPS6336668U publication Critical patent/JPS6336668U/ja
Pending legal-status Critical Current

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  • Reciprocating Pumps (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吸入通路と吐出通路に逆止弁を有するシリンダ
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:
JP12947286U 1986-08-27 1986-08-27 Pending JPS6336668U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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