JPH02103269U - - Google Patents
Info
- Publication number
- JPH02103269U JPH02103269U JP1233089U JP1233089U JPH02103269U JP H02103269 U JPH02103269 U JP H02103269U JP 1233089 U JP1233089 U JP 1233089U JP 1233089 U JP1233089 U JP 1233089U JP H02103269 U JPH02103269 U JP H02103269U
- Authority
- JP
- Japan
- Prior art keywords
- screw rod
- feed screw
- ball screw
- feed
- plane
- 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
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Automatic Analysis And Handling Materials Therefor (AREA)
- Reciprocating Pumps (AREA)
Description
第１図乃至第４図は本考案の１実施例に係り、
第１図は本考案が適用されたシリンジポンプの構
成を示す正面図、第２図は第１図の要部斜視図、
第３図は第２図の組み付け状態での−線要部
断面図、第４図は作用説明に供する、第２図の組
み付け状態での−線断面図である。第５図は
従来のシリンジポンプの構成を示す正面図である
。
図中、１０……シリンジ、１２……ピストン、
１４……ピストンロツド、１８Ａ……ガイド、２
０……送りねじ棒、２２……ステツピングモータ
、２４……支持枠、２８……スライダ、３０……
止めねじ、３２……螺進体、３２ｂ……ボールね
じナツト、３６Ａ〜３６Ｄ……スチールボール、
３８Ａ，３８Ｂ……スチールボール付ねじ、４０
，４２……軸受、４４……カツプリング、４６…
…回転軸。
1 to 4 relate to one embodiment of the present invention,
Fig. 1 is a front view showing the configuration of a syringe pump to which the present invention is applied, Fig. 2 is a perspective view of the main part of Fig. 1,
3 is a cross-sectional view taken along the line - - in the assembled state shown in FIG. 2, and FIG. 4 is a cross-sectional view taken along the line - - shown in the assembled state shown in FIG. 2, for explaining the operation. FIG. 5 is a front view showing the configuration of a conventional syringe pump. In the figure, 10... syringe, 12... piston,
14... Piston rod, 18A... Guide, 2
0...Feed screw rod, 22...Stepping motor, 24...Support frame, 28...Slider, 30...
Set screw, 32... Spiral body, 32b... Ball screw nut, 36A to 36D... Steel ball,
38A, 38B...Screw with steel ball, 40
, 42...bearing, 44...coupling, 46...
…Axis of rotation.
Claims (1)
ルねじナツトに螺貫された螺進体と、 該螺進体に点接触で連結されたスライダと、 該送りねじ棒に平行に配置され該スライダを案
内したガイドとを有し、 該送りねじ棒と該ボールねじナツトとでボール
ねじを構成し、該点接触位置は、該送りねじ棒の
中心線を含みかつ該中心線と該ガイドの中心線を
含む面に垂直な面の付近であることを特徴とする
シリンジポンプ用直線駆動装置。[Scope of Claim for Utility Model Registration] A feed screw rod, a screw body including a ball screw nut and the feed screw rod screwed into the ball screw nut, and a slider connected to the screw body through point contact. , a guide arranged parallel to the feed screw rod and guiding the slider, the feed screw rod and the ball screw nut forming a ball screw, and the point contact position is at the center of the feed screw rod. A linear drive device for a syringe pump, characterized in that the linear drive device is located near a plane that includes a line and is perpendicular to a plane that includes the center line and the center line of the guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1233089U JPH0729493Y2 (en) | 1989-02-04 | 1989-02-04 | Linear drive for syringe pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1233089U JPH0729493Y2 (en) | 1989-02-04 | 1989-02-04 | Linear drive for syringe pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02103269U true JPH02103269U (en) | 1990-08-16 |
| JPH0729493Y2 JPH0729493Y2 (en) | 1995-07-05 |
Family
ID=31221680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1233089U Expired - Lifetime JPH0729493Y2 (en) | 1989-02-04 | 1989-02-04 | Linear drive for syringe pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0729493Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010110001A1 (en) * | 2009-03-27 | 2010-09-30 | Thk株式会社 | Syringe drive unit |
| WO2018078920A1 (en) * | 2015-10-28 | 2018-05-03 | 日本精工株式会社 | Actuator |
-
1989
- 1989-02-04 JP JP1233089U patent/JPH0729493Y2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010110001A1 (en) * | 2009-03-27 | 2010-09-30 | Thk株式会社 | Syringe drive unit |
| JP2010229926A (en) * | 2009-03-27 | 2010-10-14 | Thk Co Ltd | Syringe drive unit |
| US8486021B2 (en) | 2009-03-27 | 2013-07-16 | Thk Co., Ltd. | Syringe drive unit |
| WO2018078920A1 (en) * | 2015-10-28 | 2018-05-03 | 日本精工株式会社 | Actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729493Y2 (en) | 1995-07-05 |