CN203565104U - Pipetting gun and pipetting device - Google Patents
Pipetting gun and pipetting device Download PDFInfo
- Publication number
- CN203565104U CN203565104U CN201320624366.7U CN201320624366U CN203565104U CN 203565104 U CN203565104 U CN 203565104U CN 201320624366 U CN201320624366 U CN 201320624366U CN 203565104 U CN203565104 U CN 203565104U
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- liquid
- pipetting
- transfering gun
- gun
- suction nozzle
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Abstract
The utility model discloses a pipetting gun and a pipetting device comprising the pipetting gun. The pipetting gun comprises a pipetting sleeve and at least two pipetting pipes and a monitoring pipe, wherein the pipetting pipes and the monitoring pipe are inserted and fixed in the pipetting sleeve; liquid inlet ends of the two pipetting pipes extend from the upper end of the pipetting sleeve and are respectively connected with a reagent bottle; liquid outlet ends of the two pipetting pipes extend out of the lower end of the pipetting sleeve; a pressure sensor is arranged in the monitoring pipe. The pipetting device comprises the pipetting gun, a drive mechanism for driving the up-and-down motion of the pipetting gun, a suction nozzle frame arranged below the pipetting gun and used for holding a suction nozzle, and an air pump. The pipetting device disclosed by the utility model has the advantages that the motions of liquid pipetting and liquid extraction can be accurately completed; the quantity of liquid or staining liquid extracted in the pipetting gun and the liquid level of the staining liquid in a staining bottle can be detected for reminding operating personnel of adding the staining liquid; the operation is very convenient.
Description
Technical field
The utility model relates to biomedical devices technical field, is specifically related to one and moves liquid dress rifle and liquid-transfering device.
Background technology
Cell is the elementary cell of human figure structure, is all living things metabolism, grows, breeds the morphological basis of differentiation.By Cell Differentiation and the anomaly of observing each tissue of human body, just can know whether pathology.By cell dyeing technology, carry out morphosis in showed cell, contribute to observation of cell differentiation and anomaly.At present, cell dyeing adopts staining instruments operation.In dyeing course, for convenient dyeing, generally to use liquid-transfering device, liquid-transfering device is arranged on dyeing instrument, has comprised liquid-transfering gun and suction nozzle, and by driven by motor, it is got liquid, moves liquid.
A kind of sample transferring needle (being equivalent to liquid-transfering gun) is disclosed in Chinese patent CN202054825U, comprised that suction tube, suction tube pipe box, soft air-guide pipe, soft air-guide pipe pipe box and connector have solved the problem that repeats sealing, reduce use cost, avoided soft air-guide pipe because the stranded circulation causing is not smooth, stop up and damage phenomenon.But the sample transferring needle of this structure completes and gets liquid, moves liquid under the drive of motor, desorption mouth and while changing the work of suction nozzle, cannot confirm whether connect suction nozzle and whether slough suction nozzle at transfer pin, can not determine whether the amount that is drawn into the reagent in suction nozzle reaches the addition needing; Thereby the difficulty that has not only increased operation also can affect the accuracy of experiment.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of liquid-transfering gun, this liquid-transfering gun can not only complete the action that moves liquid, gets liquid, can also detect the liquid level of the dyeing liquor in amount and the staining bottle that extracts liquid or dyeing liquor in liquid-transfering gun, and remind operating personnel to add dyeing liquor; Handled easily.
Another object of the present utility model is to provide a kind of liquid-transfering device, comprises above-mentioned liquid-transfering gun, and whether monitoring suction nozzle stops or depart from liquid-transfering gun.
Another object of the present utility model is to provide one to move liquid method, adopts above-mentioned liquid-transfering device in dyeing course, to move the method for liquid.
For addressing the above problem, the technical scheme that the utility model adopts is as follows:
A kind of liquid-transfering gun, it comprises and moves liquid cover and at least two pipettes and a monitoring pipe, described pipette and monitoring pipe plug-in mounting are also fixed on that to move liquid cover inner; The liquid feeding end of two pipettes stretches out and connects respectively a reagent bottle from moving liquid set upper side, and its outlet end stretches out the lower end of moving liquid cover; Described monitoring pipe is built-in with a pressure sensor.
The utility model can also be realized by following scheme;
As the preferred scheme of one of the present utility model, described in move the screw position that is provided with fixing liquid-transfering gun on the outer wall of liquid set upper side, liquid-transfering gun is screwed in motor below.
As the preferred scheme of one of the present utility model, described in to move liquid cover lower end be the connecting portion that connects suction nozzle, the diameter of connecting portion from top to bottom reduces gradually.
As the preferred scheme of one of the present utility model, described in move liquid cover for metal sleeve.
In order to realize another object of the present utility model, the scheme of taking is as follows:
A kind of liquid-transfering device, it is wrapped and states liquid-transfering gun, also comprises the transmission mechanism that drives liquid-transfering gun to move up and down, is positioned at liquid-transfering gun below for placing suction nozzle frame and the air pump of suction nozzle; The signal output part of the pressure sensor in monitoring pipe connects a controller, and controller is used for receiving the signal of pressure sensor transmission and according to this signal controlling transmission mechanism, monitoring pipe upper end is stretched out and moved liquid cover and be connected with air pump, and its lower end is positioned at moves liquid cover.
Such scheme can also be realized by following mode:
As the preferred scheme of one of the present utility model, described transmission mechanism comprise support, the rack-mount portion of body part motor, be articulated in support top and be synchronously connected to driving pulley on machine shaft, be articulated in the driven pulley of support bottom, synchronous winding is at the synchronous belt of driving pulley and driven pulley outside, the upper end of liquid-transfering gun is fixedly connected on synchronous belt by a fixed block, and the control end of motor is electrically connected on controller.
In order to realize another object of the present utility model, the technical scheme adopting is as follows:
Compared to existing technology, the beneficial effects of the utility model are:
1. liquid-transfering device described in the utility model by arranging monitoring pipe and pressure sensor in pipette, by pressure sensor, the pressure signal in liquid-transfering gun is transferred to controller, the pressure that shows by Read Controller determine get liquid liquid level, whether suction nozzle rests on liquid-transfering gun; Can not only accurately control and get liquid measure, also further facilitate operation;
2. liquid-transfering device of the present utility model can pipette different reagent by two pipettes, because pipette stretches out, moves liquid cover, from pipette reagent out, directly enters into suction nozzle, has avoided cross-infection.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of liquid-transfering gun described in the utility model;
Fig. 2 is the axial cutaway view of liquid-transfering gun described in the utility model;
Fig. 3 is liquid-transfering device structural representation described in the utility model;
Wherein: 1, move liquid cover; 2, pipette; 3, monitoring pipe; 4, screw position; 10, liquid-transfering gun; 20, transmission mechanism; 21, motor; 22, support; 23, driving pulley; 24, driven pulley; 25, synchronous belt; 26, fixed block; 27, line slideway; 30, suction nozzle frame; 40, suction nozzle.
The specific embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, liquid-transfering gun 10 described in the utility model, comprises and moves liquid cover 1 and at least two pipettes 2 and a monitoring pipe 3, and described pipette 2 and monitoring pipe 3 plug-in mountings are also fixed on and move liquid and overlap 1 inside; The liquid feeding end of two pipettes 2 overlaps 1 upper end and stretches out and connect respectively a reagent bottle from moving liquid, and its outlet end stretches out the lower end of moving liquid cover; Described monitoring pipe 3 is built-in with a pressure sensor (not shown).
On the basis of embodiment 1, preferred, described in move the screw position 4 that is provided with fixing liquid-transfering gun on the outer wall that liquid overlaps 1 upper end, liquid-transfering gun 10 is screwed in motor below.
On the basis of embodiment 1, preferred, described in move liquid to overlap 1 lower end be the connecting portion that connects suction nozzle 40, the diameter of connecting portion from top to bottom reduces gradually.
On the basis of embodiment 1, preferred, described in to move liquid cover 1 be metal sleeve.
Embodiment 2
As shown in Figure 3, liquid-transfering device described in the utility model, it is wrapped and states liquid-transfering gun 10, also comprises driving the transmission mechanism 20 that moves up and down of liquid-transfering gun 10, being positioned at liquid-transfering gun 10 belows for placing suction nozzle frame 30 and the air pump of suction nozzle 40; The signal output part of the pressure sensor in monitoring pipe 3 connects a controller, controller for receive pressure sensor send signal and according to this signal controlling transmission mechanism 20, monitoring pipe 3 upper ends are stretched out and are moved liquid cover 1 and be connected with air pump, and its lower end is positioned at moves liquid cover.
As shown in Figure 3, on the basis of embodiment 1, preferably, described transmission mechanism 20 comprises that support 22, body part are arranged on the motor 21 on support 22 tops, are articulated in support 22 tops and are synchronously connected to driving pulley 23 in motor 21 rotating shafts, are articulated in the driven pulley 24 of support 22 bottoms, the synchronous winding synchronous belt 25 in driving pulley 23 and driven pulley 24 outsides, the upper end of liquid-transfering gun 10 is fixedly connected on synchronous belt 25 by a fixed block 26, and the control end of motor 21 is electrically connected on controller.Preferably, a line slideway 27 extending along short transverse is installed on described support 22, slide 26 be arranged on this line slideway 27 of fixed block.
Adopt liquid-transfering device described in the utility model to move the method for liquid as follows:
1) setup pressure value: operation control, unlatching air pump is bled, start transmission mechanism and drive liquid-transfering gun tipping suction nozzle, pressure sensor reaches controller by the pressure signal detecting, the force value that device to be controlled shows no longer changes, and determines and connects suction nozzle and read corresponding force value A from controller; After air pump makes zero, booster air pump again, transmission mechanism drives liquid-transfering gun and suction nozzle to start to get liquid, to the reagent in suction nozzle, reach the volume of setting, pressure sensor reaches controller by the pressure signal detecting, read force value B, and be B by the force value of the amount correspondence of setting suction nozzle imbibition at controller;
2) get liquid: transmission mechanism drives liquid-transfering gun to connect suction nozzle, opens the air pump absorption reagent of bleeding; The internal pressure of pressure sensor induction suction nozzle is also passed to controller by the pressure signal sensing, controller compares for B value the force value signal receiving and setting, when the force value reading when controller equates with the B value of setting, reach and get liquid measure, controller control transmission mechanism completes next action; When the force value reading when controller is greater than B value, does not reach and get liquid measure or be not drawn to reagent, controller sends alarm signal and controls transmission mechanism the action that repeats to get liquid; When force value equals A value, in suction nozzle, there is no reagent, operating personnel need to add reagent in reagent bottle;
3) move liquid: determine that the liquid-transfering gun and the suction nozzle that reach after liquid measure are displaced downwardly in sample cell in driven by motor; The reagent in suction nozzle is emitted in booster air pump venting.
Above-mentioned embodiment is only preferred embodiment of the present utility model; the scope that can not limit with this utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (6)
1. a liquid-transfering gun, is characterized in that: it comprises and move liquid cover and at least two pipettes and a monitoring pipe, and described pipette and monitoring pipe plug-in mounting are also fixed on that to move liquid cover inner; The liquid feeding end of two pipettes stretches out and connects respectively a reagent bottle from moving liquid set upper side, and its outlet end stretches out the lower end of moving liquid cover; Described monitoring pipe is built-in with a pressure sensor.
2. liquid-transfering gun according to claim 1, is characterized in that: described in move the screw position that is provided with fixing liquid-transfering gun on the outer wall of liquid set upper side, liquid-transfering gun is screwed in motor below.
3. liquid-transfering gun according to claim 2, is characterized in that: described in to move liquid cover lower end be the connecting portion that connects suction nozzle, the diameter of connecting portion from top to bottom reduces gradually.
4. liquid-transfering gun according to claim 1, is characterized in that: described in move liquid cover for metal sleeve.
5. a liquid-transfering device, is characterized in that: comprise liquid-transfering gun as claimed in claim 1, it also comprises and drives the transmission mechanism that moves up and down of liquid-transfering gun, is positioned at liquid-transfering gun below for placing suction nozzle frame and the air pump of suction nozzle; The signal output part of the pressure sensor in monitoring pipe connects a controller, and controller is used for receiving the signal of pressure sensor transmission and according to this signal controlling transmission mechanism, monitoring pipe upper end is stretched out and moved liquid cover and be connected with air pump, and its lower end is positioned at moves liquid cover.
6. liquid-transfering device according to claim 5, it is characterized in that: described transmission mechanism comprise support, the rack-mount portion of body part motor, be articulated in support top and be synchronously connected to driving pulley on machine shaft, be articulated in the driven pulley of support bottom, synchronous winding is at the synchronous belt of driving pulley and driven pulley outside, the upper end of liquid-transfering gun is fixedly connected on synchronous belt by a fixed block, and the control end of motor is electrically connected on controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320624366.7U CN203565104U (en) | 2013-10-10 | 2013-10-10 | Pipetting gun and pipetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320624366.7U CN203565104U (en) | 2013-10-10 | 2013-10-10 | Pipetting gun and pipetting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203565104U true CN203565104U (en) | 2014-04-30 |
Family
ID=50532868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320624366.7U Withdrawn - After Issue CN203565104U (en) | 2013-10-10 | 2013-10-10 | Pipetting gun and pipetting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203565104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551215A (en) * | 2013-10-10 | 2014-02-05 | 广州安必平自动化检测设备有限公司 | Pipetting device and pipetting method |
-
2013
- 2013-10-10 CN CN201320624366.7U patent/CN203565104U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551215A (en) * | 2013-10-10 | 2014-02-05 | 广州安必平自动化检测设备有限公司 | Pipetting device and pipetting method |
| WO2015051654A1 (en) * | 2013-10-10 | 2015-04-16 | 广州安必平自动化检测设备有限公司 | Pipetting device and pipetting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140430 Effective date of abandoning: 20150527 |
|
| RGAV | Abandon patent right to avoid regrant |