CN103592453B - Sample injector of analysis instrument - Google Patents
Sample injector of analysis instrument Download PDFInfo
- Publication number
- CN103592453B CN103592453B CN201310592515.0A CN201310592515A CN103592453B CN 103592453 B CN103592453 B CN 103592453B CN 201310592515 A CN201310592515 A CN 201310592515A CN 103592453 B CN103592453 B CN 103592453B
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- CN
- China
- Prior art keywords
- rack
- plate
- hole
- fixedly connected
- centrifuge tube
- 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.)
- Expired - Fee Related
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Abstract
The invention discloses a sample injector of an analysis instrument, which belongs to the technical field of chemical instruments. A first stepping motor is arranged at the lower end of a rack of a solution conveying device; a vertical column is arranged above one end of the rack; travel switches are respectively arranged at the upper end and the lower end of the vertical column; an upper rack is fixedly connected with the part above the vertical column; a vertical type connecting rack is arranged at the other end of a sliding plate; the first stepping motor is connected with a first screw rod and is meshed with a screw sleeve inside the through hole of the sliding plate; the upper end of the first screw rod is connected with the upper rack in a sliding manner; the vertical type connecting rack is connected with a support rod on a tube assembly; a cleaning tube, a liquid outlet tube and a guide tube in the middle of the tube assembly are mutually communicated inside the tube assembly; a connector is connected with the other end of the guide tube; two ends of a bottom plate of a centrifuge tube shelf are respectively fixedly connected with vertical plates; a second stepping motor is arranged on the vertical plate on one side; a sliding groove in which a lower support plate can slide is formed in the upper end of the vertical plate on the other side; a connecting support rack is fixedly connected with the upper end of the lower support plate of a sliding plate; a plurality of centrifugal tubes and waste liquid grooves are formed inside holes of the support rack.
Description
Technical field
The present invention relates to a kind of analytical instrument injector, belong to analytical chemistry instrument technique with the apparatus field.
Background technology
At present, known analytical instrument injector is generally disposable sample intake passage, and because sample liquid is attached in passage, its solution can not carry out whole transfers, and the quantitative inaccurate meeting of solution brings error to analysis result.
Summary of the invention
In order to overcome above-mentioned technical deficiency, the invention provides a kind of analytical instrument injector, the solution that this analytical instrument injector effectively solves in passage remains, and achieves the accurate control of the metering of solution.
The technical solution adopted for the present invention to solve the technical problems is: analytical instrument injector comprises solution conveying device and centrifuge tube shelf, its structure is: the frame lower end of solution conveying device is provided with stepper motor one, column is provided with above one end of frame, column upper and lower side is respectively equipped with travel switch, be fixedly connected with added above column, guidepost is provided with through slide plate between the added other end and frame, the termination of slide plate be provided with touching lever move up and down put in place after touch mutually with travel switch, the other end of slide plate is provided with vertical link, stepper motor one connection wire rod one, screw mandrel one is through the through hole of slide plate, and engage with the silk braid in slide plate through hole, the upper end of screw mandrel one be slidably connected at added on, vertical link connects pole, pole other end connecting pipe assembly, the middle upper end of pipe assembly is vertically equipped with purge pipe, lower end is equipped with drain pipe, pipe assembly horizontal direction is equipped with conduit, purge pipe, drain pipe and conduit are interconnected in pipe assembly, the other end jointing of conduit, the two ends of centrifuge tube shelf base plate is fixedly connected with riser respectively, guidepost, leading screw two and feed rod is equipped with respectively between two risers, one cant board is equipped with stepper motor two, stepper motor two connects leading screw two, leading screw two engages with the silk braid in slide carriage, the riser upper end of opposite side is provided with the chute that can slide for bottom plate, slide carriage upper end connects bottom plate, bottom plate upper end is fixedly connected with bracket, bracket is provided with the hole of several installation centrifuge tube, be equipped with several centrifuge tube in hole, the termination on bracket is provided with the hole of installing waste liquid tank, is equipped with waste liquid tank in hole.
The invention has the beneficial effects as follows: because double injection pump employing combination is arranged, save floor area, two syringes control the timesharing injection control that can realize solution, accurate positioning respectively.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is a kind of analytical instrument injector structure of the present invention figure.
In figure 1, frame, 2, column, 3, travel switch, 4, leading screw one, 5, added, 6, slide plate, 7, joint, 8, conduit, 9, vertical link, 10, pole, 11, purge pipe, 12, pipe assembly, 13, drain pipe, 14, centrifuge tube, 15, bracket, 16, bottom plate, 17, feed rod, 18, underframe, 19, stepper motor two, 20, leading screw two, 21, slide carriage, 22, sewer pipe, 23, stepper motor one.
Embodiment
As shown in Figure 1, analytical instrument injector comprises solution conveying device and centrifuge tube shelf, its structure is: frame 1 lower end of solution conveying device is provided with stepper motor 1, column 2 is provided with above one end of frame 1, column 2 upper and lower side is respectively equipped with travel switch 3, added 5 are fixedly connected with above column 2, guidepost is provided with through slide plate 6 between the other end of added 5 and frame 1, the termination of slide plate 6 be provided with touching lever move up and down put in place after touch mutually with travel switch 3, the other end of slide plate 6 is provided with vertical link 9, stepper motor 1 connection wire rod 1, screw mandrel 1 is through the through hole of slide plate 6, and engage with the silk braid in slide plate 6 through hole, the upper end of screw mandrel 1 is slidably connected on added 5, vertical link 9 connects pole 10, pole 10 other end connecting pipe assembly 12, the middle upper end of pipe assembly 12 is vertically equipped with purge pipe 11, lower end is equipped with drain pipe 13, pipe assembly 12 horizontal direction is equipped with conduit 8, purge pipe 11, drain pipe 13 and conduit 8 are interconnected in pipe assembly 12, the other end jointing 7 of conduit 8, the two ends of centrifuge tube shelf base plate 18 is fixedly connected with riser respectively, guidepost is equipped with respectively between two risers, leading screw 2 20 and feed rod 17, one cant board is equipped with stepper motor 2 19, stepper motor 2 19 connects leading screw 2 20, leading screw 2 20 engages with the silk braid in slide carriage 21, the riser upper end of opposite side is provided with the chute that can slide for bottom plate 16, slide carriage 21 upper end connects bottom plate 16, bottom plate 16 upper end is fixedly connected with bracket 15, bracket 15 is provided with the hole of several installation centrifuge tube 14, several centrifuge tube 14 is equipped with in hole, termination on bracket 15 is provided with the hole of installing waste liquid tank 22, waste liquid tank 22 is equipped with in hole.
During use, joint 7 connects infusion pump and air pump, purge pipe 11 connects water pump, stepper motor 1 and stepper motor 2 19 switch on power, after solution is injected into centrifuge tube by infusion pump, the solution ejection that air pump will remain in conduit 8 and drain pipe 13, the clear water of some is injected into cleaning in drain pipe 13 by water pump, discharging of waste liquid is in waste liquid tank 22, and control step motor 2 19 rotates to drive bottom plate 16 to move and drive centrifuge tube 14 to move and injects sample liquid respectively in centrifuge tube 14.
Claims (1)
1. an analytical instrument injector, comprise solution conveying device and centrifuge tube shelf, it is characterized in that: frame (1) lower end of solution conveying device is provided with stepper motor one (23), column (2) is provided with above one end of frame (1), column (2) upper and lower side is respectively equipped with travel switch (3), column (2) top is fixedly connected with added (5), guidepost is provided with through slide plate (6) between the other end of added (5) and frame (1), the termination of slide plate (6) be provided with touching lever move up and down put in place after touch mutually with travel switch (3), the other end of slide plate (6) is provided with vertical link (9), stepper motor one (23) connection wire rod one (4), screw mandrel one (4) is through the through hole of slide plate (6), and engage with the silk braid in slide plate (6) through hole, the upper end of screw mandrel one (4) is slidably connected on added (5), vertical link (9) connects pole (10), pole (10) other end connecting pipe assembly (12), the middle upper end of pipe assembly (12) is vertically equipped with purge pipe (11), lower end is equipped with drain pipe (13), pipe assembly (12) horizontal direction is equipped with conduit (8), purge pipe (11), drain pipe (13) and conduit (8) are interconnected in pipe assembly (12), the other end jointing (7) of conduit (8), the two ends of centrifuge tube shelf base plate (18) is fixedly connected with riser respectively, guidepost is equipped with respectively between two risers, leading screw two (20) and feed rod (17), one cant board is equipped with stepper motor two (19), stepper motor two (19) connects leading screw two (20), leading screw two (20) engages with the silk braid in slide carriage (21), the riser upper end of opposite side is provided with the chute that bottom plate (16) can be supplied to slide, slide carriage (21) upper end connects bottom plate (16), bottom plate (16) upper end is fixedly connected with bracket (15), bracket (15) is provided with the hole of several installation centrifuge tube (14), several centrifuge tube (14) is equipped with in hole, termination on bracket (15) is provided with the hole of installing waste liquid tank (22), waste liquid tank (22) is equipped with in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592515.0A CN103592453B (en) | 2013-11-22 | 2013-11-22 | Sample injector of analysis instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592515.0A CN103592453B (en) | 2013-11-22 | 2013-11-22 | Sample injector of analysis instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103592453A CN103592453A (en) | 2014-02-19 |
| CN103592453B true CN103592453B (en) | 2015-03-11 |
Family
ID=50082674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310592515.0A Expired - Fee Related CN103592453B (en) | 2013-11-22 | 2013-11-22 | Sample injector of analysis instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103592453B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964117B (en) * | 2014-04-24 | 2016-03-30 | 陈洁 | A kind of sliding pipe type delivery board |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4609991A (en) * | 1983-07-19 | 1986-09-02 | The United States Of America As Represented By The Department Of Health And Human Services | Automated system for determining the molecular weight and/or concentration of macromolecules via sedimentation equilibrium |
| JPH07103986A (en) * | 1993-09-30 | 1995-04-21 | Kayagaki Irika Kogyo Kk | Method of cleaning nozzle for inspection and dilution/ dispersion device for inspection |
| CN102507964B (en) * | 2011-10-31 | 2013-12-18 | 上海裕隆生物科技有限公司 | Full-automatic reactor |
| CN102879595A (en) * | 2012-09-29 | 2013-01-16 | 力合科技（湖南）股份有限公司 | Automatic sample injector and sample injection testing system |
| CN103305412A (en) * | 2013-05-31 | 2013-09-18 | 广州安必平自动化检测设备有限公司 | Full-automatic nucleic acid extraction machine |
-
2013
- 2013-11-22 CN CN201310592515.0A patent/CN103592453B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103592453A (en) | 2014-02-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20201122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |