CN203130405U - Dual-injection pump - Google Patents
Dual-injection pump Download PDFInfo
- Publication number
- CN203130405U CN203130405U CN 201320169870 CN201320169870U CN203130405U CN 203130405 U CN203130405 U CN 203130405U CN 201320169870 CN201320169870 CN 201320169870 CN 201320169870 U CN201320169870 U CN 201320169870U CN 203130405 U CN203130405 U CN 203130405U
- Authority
- CN
- China
- Prior art keywords
- injector
- slide block
- stock
- leading screw
- sleeve frame
- 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
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a dual-injection pump and belongs to the technical field of chemical apparatus. The lower end of a stand column is connected with a lower sleeve frame, the upper end of the stand column is connected with an upper sleeve frame, the upper portion and the lower portion of both sides of the stand column are provided with an upper travel switch and a lower travel switch, the lower end of the lower sleeve frame is fixedly connected with a stepping motor I and a stepping motor II respectively, the stepping motor I is connected with a lead screw I, and the stepping motor II is connected with a lead screw II; the lead screw I is engaged with a screw nut inside a slider I, and the upper end of the lead screw I penetrates through the upper sleeve frame to be exposed outside; four guide shafts are respectively arranged between the upper sleeve frame and the lower sleeve frame, two of the guide shafts penetrate through the slider I which slides vertically along the guide shafts, and the other two guide shafts penetrate through a slider II which slides along the guide shafts; one side of the upper end of the upper sleeve frame is provided with an injector I, an injection rod I is arranged inside the injector I, and the top end of the injector I is fixedly connected with a duct through a nut; the upper end of the slider I is connected with the injection rod I, and the side end of the slider I is provided with another limit rod; and an injector II is structurally the same with the injector I.
Description
Technical field
The utility model relates to a kind of double injection pump, belongs to analytical chemistry instrument technique with the apparatus field.
Background technique
At present, known syringe pump is single-pump system, is used for the preparation of front end sample liquid and conveying of analytical instrument, also can be used with the multichannel selector valve, is used for control liquid constant speed and flows, and can't realize that multichannel has solution to drive.
The model utility content
In order to overcome above-mentioned technical deficiency, the utility model provides a kind of double injection pump, and this double injection pump has effectively solved multichannel has solution to drive, and has realized the timesharing injection control of solution.
The technological scheme that its technical problem that solves the utility model adopts is: the double injection pump structure is: the fixedly connected stock down in the lower end of column, the fixedly connected stock of going up in upper end, the column two side ends be respectively equipped with upper stroke switch, lower stroke switch up and down, the lower end of following stock is fixedly connected stepper motor one, stepper motor two respectively, stepper motor one connects leading screw one, and stepper motor two connects leading screw two; Screw engagement in leading screw one and the slide block one, the upper end of leading screw one is passed stock and is exposed, last stock and following stock intermediate section are not provided with four axis of guides, wherein two axis of guides pass slide block one, slide block one slides up and down along the axis of guide, two axis of guides pass slide block two in addition, slide block two slides up and down along the axis of guide, last stock upper end one side is provided with injector one, be provided with injection rod in the injector one, injector one top is fastenedly connected conduit by nut, and slide block one upper end connects injection rod one, and slide block one side is provided with another position-limited lever; The opposite side of last stock upper end is provided with injector two, injector two tops are fastenedly connected conduit by nut, injector two the inners are provided with injection rod two, slide block two upper ends connect injection rod two, the side of slide block two is provided with position-limited lever, screw engagement in leading screw two and the slide block two, the upper end of leading screw two is passed stock and is exposed.
The beneficial effects of the utility model are: because the double injection pump adopts combination setting, save floor space, two injectors are controlled the timesharing injection control that can realize solution, accurate positioning respectively.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
Fig. 1 is a kind of double injection pump structure of the utility model figure.
Among the figure 1, conduit, 2, nut, 3, injector one, 4, injector two, 5, go up stock, 6, leading screw one, 7, injection rod one, 8, slide block one, 9, injection rod two, 10, following stock, 11, stepper motor one, 12, the axis of guide, 13, upper stroke switch, 14, leading screw two, 15, slide block two, 16, position-limited lever, 17, lower stroke switch, 18, column, 19, stepper motor two.
Embodiment
As shown in Figure 1, the double injection pump structure is: the fixedly connected stock 10 down in the lower end of column 18, the fixedly connected stock 5 of going up in upper end, column 18 two side ends be respectively equipped with upper stroke switch 13, lower stroke switch 17 up and down, the lower end of following stock 10 is fixedly connected stepper motor 1, stepper motor 2 19 respectively, stepper motor 1 connects leading screw 1, and stepper motor 2 19 connects leading screw 2 14; Screw engagement in leading screw 1 and the slide block 1, the upper end of leading screw 1 is passed stock 5 and is exposed, be respectively equipped with four axis of guides 12 in the middle of last stock 5 and the following stock 10, wherein two axis of guides 12 pass slide block 1, slide block 1 slides up and down along the axis of guide 12, two axis of guides 12 pass slide block 2 15 in addition, slide block 2 15 slides up and down along the axis of guide 12, last stock 5 upper ends one side is provided with injector 1, be provided with injection rod 7 in the injector 1, injector one 3 tops are fastenedly connected conduit 1 by nut 2, and slide block one 8 upper ends connect injection rod 1, and slide block one 8 sides are provided with another position-limited lever; The opposite side of last stock 5 upper ends is provided with injector 24, injector 24 tops are fastenedly connected conduit by nut, injector 24 the inners are provided with injection rod 29, slide block 2 15 upper ends connect injection rod 29, the side of slide block 2 15 is provided with position-limited lever 16, screw engagement in leading screw 2 14 and the slide block 2 15, the upper end of leading screw 2 14 is passed stock 5 and is exposed.
Two stepper motors are controlled by electric switch, can rotate control injection flow respectively, touch upper stroke switch 13 stepper motors and stop operating when arriving upper limit position, avoid breaking this pump.
During use, start stepper motor respectively and rotate, two leading screws drive two slide blocks respectively, and two slide blocks drive two injection rods respectively the liquid in two injectors is discharged.
Claims (1)
1. double injection pump, it is characterized in that: the fixedly connected stock (10) down in the lower end of column (18), the fixedly connected stock (5) of going up in upper end, column (18) two side ends be respectively equipped with upper stroke switch (13), lower stroke switch (17) up and down, the lower end of following stock (10) is fixedly connected stepper motor one (11), stepper motor two (19) respectively, stepper motor one (11) connects leading screw one (6), and stepper motor two (19) connects leading screw two (14); Screw engagement in leading screw one (6) and the slide block one (8), the upper end of leading screw one (6) is passed stock (5) and is exposed, be respectively equipped with four axis of guides (12) in the middle of last stock (5) and the following stock (10), wherein two axis of guides (12) pass slide block one (8), slide block one (8) slides up and down along the axis of guide (12), two axis of guides (12) pass slide block two (15) in addition, slide block two (15) slides up and down along the axis of guide (12), last stock (5) upper end one side is provided with injector one (3), be provided with injection rod (7) in the injector one (3), injector one (3) top is fastenedly connected conduit (1) by nut (2), slide block one (8) upper end connects injection rod one (7), and slide block one (8) side is provided with another position-limited lever; The opposite side of last stock (5) upper end is provided with injector two (4), injector two (4) tops are fastenedly connected conduit by nut, injector two (4) the inners are provided with injection rod two (9), slide block two (15) upper ends connect injection rod two (9), the side of slide block two (15) is provided with position-limited lever (16), screw engagement in leading screw two (14) and the slide block two (15), the upper end of leading screw two (14) is passed stock (5) and is exposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320169870 CN203130405U (en) | 2013-04-08 | 2013-04-08 | Dual-injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320169870 CN203130405U (en) | 2013-04-08 | 2013-04-08 | Dual-injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130405U true CN203130405U (en) | 2013-08-14 |
Family
ID=48938393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320169870 Expired - Fee Related CN203130405U (en) | 2013-04-08 | 2013-04-08 | Dual-injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130405U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587563A (en) * | 2015-01-26 | 2015-05-06 | 谭永宏 | Infusion device |
| CN104826542A (en) * | 2015-04-23 | 2015-08-12 | 山东省科学院海洋仪器仪表研究所 | Reagent continuous quantitative injection device |
-
2013
- 2013-04-08 CN CN 201320169870 patent/CN203130405U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104587563A (en) * | 2015-01-26 | 2015-05-06 | 谭永宏 | Infusion device |
| CN104587563B (en) * | 2015-01-26 | 2017-06-20 | 深圳市宏济医疗技术开发有限公司 | A kind of injection device |
| CN104826542A (en) * | 2015-04-23 | 2015-08-12 | 山东省科学院海洋仪器仪表研究所 | Reagent continuous quantitative injection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203688332U (en) | Automatic liquid adding device of digestion tube | |
| CN201085825Y (en) | Medical electric medicine adding apparatus | |
| CN103922252B (en) | Quick capping machine | |
| CN203130405U (en) | Dual-injection pump | |
| CN102953965A (en) | High-voltage and constant-current pump using electronic cam technique to realize constant-current liquid conveying function | |
| CN104154195A (en) | Double-eccentric driving guide-bar mechanism | |
| CN106881617A (en) | Straight-line tool magazine | |
| CN201974433U (en) | Automation device used for sample adding and reaction tube loading | |
| CN203091204U (en) | Precise automatic oiling mechanism | |
| CN201974435U (en) | Automatic device for sample loading, transferring and distributing | |
| CN204099528U (en) | A kind of double eccentric wheel drive leader mechanism | |
| CN203164018U (en) | Device for automatically sampling and distributing water sample | |
| CN208206891U (en) | A kind of gas chromatograph automatic sampling assistor | |
| CN208661168U (en) | A kind of syringe pump with rotary valve | |
| CN202975850U (en) | Micro-scale sample introduction control system | |
| CN208526660U (en) | A kind of screw rod driving syringe pump | |
| CN205699589U (en) | A kind of for Graphene, the device of graphene oxide back extraction | |
| CN201924011U (en) | Pipetting device of nucleic acid hybridization instrument | |
| CN202795128U (en) | Electric actuator stroke limit mechanism | |
| CN104166007A (en) | Automatic liquid sample injector for petroleum analytical instrument | |
| CN203400914U (en) | Spray needle lifting mechanism | |
| CN202989033U (en) | Micro protein purifying sample loading device | |
| CN211837962U (en) | Laboratory is with ration liquid structure of moving | |
| CN205436686U (en) | Shaping device is aligned fast to long U -shaped copper pipe | |
| CN106178596B (en) | Solid Phase Extraction pressue device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130814 Termination date: 20170408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |