CN203853098U - Full-automatic liquid transfer device - Google Patents
Full-automatic liquid transfer device Download PDFInfo
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- CN203853098U CN203853098U CN201420277319.4U CN201420277319U CN203853098U CN 203853098 U CN203853098 U CN 203853098U CN 201420277319 U CN201420277319 U CN 201420277319U CN 203853098 U CN203853098 U CN 203853098U
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Abstract
The utility model provides a full-automatic liquid transfer device. The device comprises a mounting plate, an active plate, pipettes, piston rods and a driving component, wherein the active plate is connected on the mounting plate and can move along the height direction of the mounting plate; the pipettes are detachably fixed on the mounting plate; the piston rods are fixed on the active plate; the driving component is used for driving the active plate to move relatively to the mounting plate; an insertion hole is formed at the upper end of each pipette and an opening is formed at the lower end of each pipette; the lower ends of the piston rods are inserted in the pipettes via the insertion holes of the pipettes; a piston hermetically fit with the inner wall of each pipette is arranged at the lower end of each piston rod; the driving component comprises a driving motor, a transmission screw and screw nuts; the body part of the driving motor is fixed on the mounting plate; the transmission screw extends along the height direction of the mounting plate and is synchronously connected with a rotating shaft of the driving motor; the screw nuts are in thread-fit with the transmission screw and are fixed on the active plate. The device has a simple structure, reduces the equipment cost and simultaneously ensures the accuracy of the addition dosages of reagents.
Description
Technical field
The utility model new bio medicine technical field, is specifically related to a kind of full-automatic liquid-transfering device.
Background technology
In the bioactivator extraction element of the field application such as disease control, food security, forensic identification, genomics, conventionally can utilize liquid-transfering device to realize the transfer of liquid reagent.Current liquid-transfering device is to adopt measuring pump (or peristaltic pump mostly, membrane pump) mode of pumping liquid realizes that liquid shifts, concrete is, a up and down installing plate is set in the frame of bioactivator extraction element, one row's pipette is set on installing plate, the underpart opening of pipette, upper end utilizes flexible pipe to be communicated with measuring pump, the driven unit that drives pipette to move up and down with respect to installing plate is set on installing plate, in the time of transfer liquid, installing plate moves to the top of getting liquid rifle head, driven unit drives pipette to move downward in the opening that is inserted into rifle head, make rifle head fix with pipette and be communicated with, when pumping liquid, measuring pump work, reagent in test tube is sucked to pipette or the reagent in pipette is pumped into test tube, although the liquid-transfering device of this structure can meet the primary demand that liquid shifts, but, it need to be equipped with a measuring pump for each pipette, total is comparatively complicated, and adopt soft pipe connection between measuring pump and pipette, be unfavorable for the Miniaturization Design of extraction element, in addition, adopt measuring pump in the time adding reagent, be difficult to accurately control the dosage that adds of reagent, affect the accuracy of late detection result, meanwhile, pipette with get liquid rifle head junction be difficult to ensure completely sealing, if its two junction leaks gas, further affect the dosage of measuring pump extraction reagent.More inconvenient, this method can only contact clean reagent, can not have contact with sample, otherwise can cause serious cross pollution.
The novel content of utility model
For the deficiencies in the prior art, the novel object of the utility model is intended to provide a kind of full-automatic liquid-transfering device, and it is simple in structure, and can guarantee that reagent adds the accuracy of dosage.
For achieving the above object, the following technical scheme of the novel employing of the utility model:
A kind of full-automatic liquid-transfering device, the portable plate that comprises installing plate, be connected on installing plate and can move along the short transverse of installing plate, be fixed on pipette on installing plate removably, be fixed on the piston rod on portable plate and the driven unit for driving portable plate to move with respect to installing plate, the upper end of pipette forms an insert port, bottom forms an opening, piston-rod lower end portion is inserted in pipette by the insert port of pipette, and the bottom of piston rod be provided with one with the airtight piston coordinating of inwall of pipette; Driven unit comprises the drive motors of body partial fixing on installing plate, extends and synchronize with the rotating shaft of drive motors the drive lead screw of connection and with drive lead screw threaded engagement and be fixed on the feed screw nut on portable plate along the short transverse of installing plate.
On installing plate, be provided with the guide rail extending along its short transverse, on portable plate, be fixed with the slide block being slidably matched with guide rail.
On installing plate, be fixedly connected with train wheel bridge and lower plate, between train wheel bridge and lower plate, form the draw-in groove of a front openings, the upper end of pipette stretches out and forms a flange being clamped in draw-in groove, on lower plate, be provided with a front openings accommodating groove, this accommodating groove forms a host cavity of accommodating pipette away from its opening one end, accommodating groove sidewall is provided with an installing hole near one end of its opening, in this installation, be provided with a top and be pressed on the fastener of pipette tube wall near accommodating groove opening one side, in installing hole, be provided with a flexible member, the elastic stress of this flexible member for providing one fastener is pressed towards the direction top near pipette.
Flexible member is a spring.
The novel beneficial effect of the utility model is:
The novel full-automatic liquid-transfering device of the utility model adopts pipette and piston rod to coordinate and realizes pumping of liquid, than the liquid-transfering device of existing employing measuring pump, it is simple in structure, without adopting measuring pump and flexible pipe to connect, reduce equipment cost, meanwhile, avoid pipette and rifle head cooperation place to leak air and the liquid that causes shifts the not accurate enough defect of dosage, guarantee that reagent adds the accuracy of dosage; Adopt the drive unit of screw rod transmission to drive piston rod to move up and down, the angle that can rotate by driven by motor drive lead screw, the dosage of control accurately liquid assimilating, sending.In addition, liquid-transfering device of the present utility model, than traditional liquid-transfering device, have fast, accurately, can stop the feature of cross pollution, in actual applications, the utility model except can realizing the function of moving liquid, also have to liquid in container mix, the function such as piping and druming.
Brief description of the drawings
Fig. 1 is the novel structural representation of the utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the zoomed-in view at B place in Fig. 2;
Wherein: 110, installing plate; 111, guide rail; 112, lower plate; 1121, spring; 1122, fastener; 1123, installing hole; 113, train wheel bridge; 120, portable plate; 121, slide block; 122, lower plate; 123, train wheel bridge; 130, drive motors; 131, drive lead screw; 140, piston rod; 150, pipette; 151, flange.
Detailed description of the invention
Below, by reference to the accompanying drawings and detailed description of the invention, be described further the utility model is novel:
As shown in Figure 1, 2, 3, for the full-automatic liquid-transfering device of the novel one of the utility model, it comprises installing plate 110, be connected on installing plate 110 and the portable plate 120 that can move along the short transverse of installing plate 110, be dismountablely connected to multiple pipettes 150 on installing plate 110, be fixed on the multiple piston rods 140 on portable plate 120 and the driven unit for driving portable plate 120 to move up and down with respect to installing plate 110 along the short transverse of installing plate 110; Above-mentioned multiple pipettes 150 and piston rod 140 are arranged in a row along the length direction of installing plate 110 respectively, and all corresponding piston rod 140 of each pipette 150, the upper end of pipette 150 forms an insert port, bottom forms an opening, the bottom of piston rod 140 is with a piston, and piston rod 140 is inserted by the insert port of pipette 150 upper ends with one end of piston, the airtight cooperation of inwall of piston and pipette 150.Driven unit comprises the drive motors 130 of body partial fixing on installing plate 110, be synchronously connected in the rotating shaft of drive motors 130 and the drive lead screw 131 extending along the short transverse of installing plate 110 and with feed screw nut's (not shown) of drive lead screw 131 threaded engagement, four stem nuts are fixed on portable plate 120, start drive motors 130, can drive portable plate 120 to move along the short transverse of installing plate 110, then drive piston rod 140 to move up and down in pipette 150.Driven unit drives piston rod 140 to move up and down, make a structure of pumping liquid of piston rod 140 and pipette 150 common formations, it is different from the employing dosage pump structure in existing instrument, concrete is, in extraction bioactivator, what sample, reactant liquor etc. adopted conventionally is microdose, existing employing metering pump structure, conventionally be difficult to add accurately liquid, and the novel said structure of employing the utility model, the angle that can drive drive lead screw 131 to turn over by accurate control drive motors 130, controls the dosage of liquid accurately.Above-mentioned multiple piston rods 140 and the combination of pipette 150, can once shift multiple reagent or sample, and the quantity of pipette 150 and piston rod 140 can arrange according to actual needs.
Move smoothly for the ease of total, the guide rail 111 extending along its short transverse can be set on above-mentioned installing plate 110, the back side of portable plate 120 is arranged at the slide block 121 that guide rail 111 is slidably matched.
For the ease of the replacing of piston rod 140, train wheel bridge 123 and lower plate 122 can be set in the bottom of portable plate 120, the radially extension edge of piston rod 140 upper ends is clamped between train wheel bridge 123 and lower plate 122, when installation, the extension edge of piston rod 140 upper ends is inserted by the opening between train wheel bridge 123 and lower plate 122.Same, be fixed with train wheel bridge 113 and lower plate 112 in the bottom of installing plate 110, between train wheel bridge 113 and lower plate 112, form the draw-in groove of a front openings, the upper end of pipette 150 outwards forms a flange 151 radially extending, this flange 151 is clamped in the draw-in groove of the formation between train wheel bridge 113 and lower plate 112, on lower plate 112, be provided with the accommodating groove of a front openings, accommodating groove forms a host cavity of accommodating pipette 150 away from one end of its opening, when installation, by after forward direction, the flange 151 of pipette 150 upper ends being inserted in draw-in groove, make pipette 150 be arranged in the host cavity that is partially embedded into accommodating groove inner side of flange 151 bottoms, in order to prevent that pipette 150 and train wheel bridge 113 and lower plate 112 from departing from, the sidewall that can be positioned at accommodating groove on lower plate 112 arranges an installing hole 1123 near one end of accommodating groove opening, installing hole 1123 inside are provided with a fastener 1122, and be positioned at the spring 1121 of fastener 1122 inner sides, the elastic stress of spring 1121 for providing one fastener 1122 is pressed towards the direction top near pipette 150, after pipette 150 is installed in place, fastener 1122 tops are pressed on the surface of pipette 150 tube walls near accommodating groove opening one side, in the time not being subject to, pipette 150 is locked in fastener 1122 inner sides that are positioned at its both sides, in the time that needs are dismantled, pipette 150 is pulled by the opening of accommodating groove, spring 1121 pressurizeds, pipette 150 and lower plate 112 are departed from.When mounted, pipette 150 is placed in the rack for test tube on the workbench below liquid-transfering device, the draw-in groove forming between train wheel bridge 113 and lower plate 112 aligns in short transverse with the flange 151 of pipette 150, workbench moves backward, the opening of the tube wall alignment accommodating groove of pipette 150 is moved backward, when pipette 150 tube wall contact card fastener 1122, spring 1121 pressurizeds, after pipette 150 is in place, spring 1121 returns are locked at pipette 150 in accommodating groove.Above-mentioned spring 1121 also can adopt the flexible members such as elasticity blob of viscose to substitute.
The novel full-automatic liquid-transfering device of the utility model adopts pipette 150 and piston rod 140 to coordinate and realizes pumping of liquid, than the liquid-transfering device of existing employing measuring pump, it is simple in structure, without adopting measuring pump and flexible pipe to connect, reduce equipment cost, meanwhile, avoid pipette and rifle head cooperation place to leak air and the liquid that causes shifts the not accurate enough defect of dosage, guarantee that reagent adds the accuracy of dosage; Adopt the drive unit of screw rod transmission to drive piston rod 140 to move up and down, the angle that can rotate by driven by motor drive lead screw, the dosage of control accurately liquid assimilating, sending.
To one skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and deformation, and within these all changes and deformation all should belong to the protection domain of the novel claim of the utility model.
Claims (4)
1. a full-automatic liquid-transfering device, it is characterized in that, comprise installing plate, the portable plate that is connected on installing plate and can moves along the short transverse of installing plate, be fixed on removably the pipette on installing plate, be fixed on the piston rod on portable plate, and for driving the driven unit of portable plate with respect to installing plate motion, the upper end of pipette forms an insert port, bottom forms an opening, piston-rod lower end portion is inserted in pipette by the insert port of pipette, and the bottom of piston rod be provided with one with the airtight piston coordinating of inwall of pipette, driven unit comprises the drive motors of body partial fixing on installing plate, extends and synchronize with the rotating shaft of drive motors the drive lead screw of connection and with drive lead screw threaded engagement and be fixed on the feed screw nut on portable plate along the short transverse of installing plate.
2. full-automatic liquid-transfering device as claimed in claim 1, is characterized in that, is provided with the guide rail extending along its short transverse on installing plate, is fixed with the slide block being slidably matched with guide rail on portable plate.
3. full-automatic liquid-transfering device as claimed in claim 1, it is characterized in that, on installing plate, be fixedly connected with train wheel bridge and lower plate, between train wheel bridge and lower plate, form the draw-in groove of a front openings, the upper end of pipette stretches out and forms a flange being clamped in draw-in groove, on lower plate, be provided with a front openings accommodating groove, this accommodating groove forms a host cavity of accommodating pipette away from its opening one end, accommodating groove sidewall is provided with an installing hole near one end of its opening, in this installation, be provided with a top and be pressed on the fastener of pipette tube wall near accommodating groove opening one side, in installing hole, be provided with a flexible member, the elastic stress of this flexible member for providing one fastener is pressed towards the direction top near pipette.
4. full-automatic liquid-transfering device as claimed in claim 3, is characterized in that, flexible member is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277319.4U CN203853098U (en) | 2014-05-27 | 2014-05-27 | Full-automatic liquid transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277319.4U CN203853098U (en) | 2014-05-27 | 2014-05-27 | Full-automatic liquid transfer device |
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| Publication Number | Publication Date |
|---|---|
| CN203853098U true CN203853098U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420277319.4U Active CN203853098U (en) | 2014-05-27 | 2014-05-27 | Full-automatic liquid transfer device |
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| CN (1) | CN203853098U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990504A (en) * | 2014-05-27 | 2014-08-20 | 广州冠科生物科技有限公司 | Full-automatic liquid transfer device |
| CN105854969A (en) * | 2016-06-12 | 2016-08-17 | 齐齐哈尔医学院 | 5-50 microliter 60-sucker liquid transfer device |
| CN106115005A (en) * | 2016-08-18 | 2016-11-16 | 无锡市稼宝药业有限公司 | A kind of easy-to-dismount pesticide producing liquid filling machine |
| CN107629949A (en) * | 2017-10-22 | 2018-01-26 | 赵维青 | Microorganism based on line-of-sight course holds classification inoculation apparatus |
| CN107841452A (en) * | 2017-10-24 | 2018-03-27 | 赵维青 | Microbial automatic vaccination device based on line-of-sight course |
-
2014
- 2014-05-27 CN CN201420277319.4U patent/CN203853098U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990504A (en) * | 2014-05-27 | 2014-08-20 | 广州冠科生物科技有限公司 | Full-automatic liquid transfer device |
| CN105854969A (en) * | 2016-06-12 | 2016-08-17 | 齐齐哈尔医学院 | 5-50 microliter 60-sucker liquid transfer device |
| CN105854969B (en) * | 2016-06-12 | 2017-08-29 | 齐齐哈尔医学院 | 5 50 microlitre of 60 suction nozzle pipettor |
| CN106115005A (en) * | 2016-08-18 | 2016-11-16 | 无锡市稼宝药业有限公司 | A kind of easy-to-dismount pesticide producing liquid filling machine |
| CN107629949A (en) * | 2017-10-22 | 2018-01-26 | 赵维青 | Microorganism based on line-of-sight course holds classification inoculation apparatus |
| CN107629949B (en) * | 2017-10-22 | 2020-11-03 | 青岛农业大学 | Microorganism handheld inoculation device based on three-point method |
| CN107841452A (en) * | 2017-10-24 | 2018-03-27 | 赵维青 | Microbial automatic vaccination device based on line-of-sight course |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |