CN210846433U - Multi-pipeline liquid transfer device - Google Patents
Multi-pipeline liquid transfer device Download PDFInfo
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- CN210846433U CN210846433U CN201921661418.1U CN201921661418U CN210846433U CN 210846433 U CN210846433 U CN 210846433U CN 201921661418 U CN201921661418 U CN 201921661418U CN 210846433 U CN210846433 U CN 210846433U
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Abstract
The utility model discloses a multitube way liquid-transfering device, include: the supporting part comprises a supporting bottom plate, a supporting column and a transverse supporting beam, the supporting column is arranged on the supporting bottom plate, and the transverse supporting beam is arranged on the supporting column; the moving part is arranged on the supporting part and comprises a left moving part and a right moving part and an up-down moving part, the left moving part is arranged on the supporting part, and the up-down moving part is arranged on the left moving part; the liquid transferring part is connected with the up-down moving part and comprises a liquid transferring frame, a liquid transferring rod, a liquid transferring pipe, a peristaltic pipe and a peristaltic pump, the liquid transferring rod is arranged on the liquid transferring frame, the liquid transferring pipe is arranged on the liquid transferring rod, and the peristaltic pipe is respectively connected with the liquid transferring pipe and the peristaltic pump. The utility model discloses degree of automation is high, can carry out the arbitrary volume to different test tubes automatically and move the liquid and can change the distance between the pipette.
Description
Technical Field
The utility model relates to an experimental apparatus field, concretely relates to liquid device is moved to multitube way.
Background
The liquid transfer device is a device for quantitatively transferring liquid, and can conveniently help an experimenter to quantitatively suck and sample liquid samples when biochemical analysis tests or experiments are carried out. When batch sample adding is needed, the sample adding objects are well arranged on the test tube rack or the tray, and batch sample adding can be quickly completed by using the multi-channel pipettor. If the sample adding objects are more, the sample adding objects are arranged into a rectangle on a test tube rack or a tray, and the sample adding work can be finished by using a plurality of pipettes for a plurality of batches. However, the existing multi-channel pipettor can only perform equal-dosage sample addition on a plurality of sample addition objects during sample addition, when gradient dosage sample addition needs to be performed on the plurality of sample addition objects, the multi-channel pipettor cannot be used for performing quick batch sample addition, and only can perform sample addition on each sample addition object separately, so that the operation is complex, the workload is large, the working efficiency is low, and errors are prone to occur in manual sample addition operation during multi-frequency gradient sample addition.
The distance is fixed between the pipette of current multi-channel pipettor, need place the test tube in advance on the test-tube rack the same with the pipette interval when needs move the liquid. When liquid needs to be pipetted from a plurality of flasks simultaneously, the flasks need to be arranged at equal intervals in advance, and the flask interval needs to be the same as the pipette interval, so that the preliminary preparation work is more tedious, and the test efficiency is reduced.
Chinese patent (cn201680054534.x) discloses a multichannel pipette including a pipette main body, a lower portion attached to a lower end portion of the pipette main body, and a plurality of nozzle holder units accommodated in the lower portion, which is capable of simultaneously transferring liquid to a plurality of sample addition objects, but in which the amount of sample addition is the same for each sample addition tube and is incapable of performing non-uniform-dose sample addition to the plurality of sample addition objects.
Therefore, design one kind can carry out arbitrary volume to different test tubes and move liquid and can change a multitube way pipetting device of distance between the pipette automatically, have important practical value.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a multitube way liquid-transfering device specifically adopts following technical scheme:
a multi-channel pipetting device comprising:
the supporting part, the supporting part includes supporting baseplate, support column and transverse supporting beam, the support column sets up on the supporting baseplate, transverse supporting beam sets up on the support column.
The moving part is arranged on the supporting part and comprises a left moving part and a right moving part and an up-down moving part, the left moving part is arranged on the supporting part, and the up-down moving part is arranged on the left moving part and the right moving part.
The liquid transferring part is connected with the up-down moving part and comprises a liquid transferring frame, a liquid transferring rod, a liquid transferring pipe, a peristaltic pipe and a peristaltic pump, the liquid transferring rod is arranged on the liquid transferring frame, the liquid transferring pipe is arranged on the liquid transferring rod, and the peristaltic pipe is respectively connected with the liquid transferring pipe and the peristaltic pump.
Preferably, the supporting bottom plate is rectangular with a certain thickness, and a motor fixing seat is arranged at the rear side edge of the supporting bottom plate; the supporting columns are provided with a plurality of supporting columns, and the supporting columns are fixedly arranged on the supporting bottom plate; the transverse supporting beam is in a rectangular column shape and is horizontally and fixedly arranged on the two supporting columns; and a left-right moving dovetail block is arranged on the front side surface of the transverse supporting beam.
Preferably, the left and right moving part comprises a left and right moving dovetail groove, a left and right moving rack, a left and right moving gear and a left and right moving motor, the left and right moving rack is arranged on the left and right moving dovetail groove, and the left and right moving gear is arranged on the left and right moving motor.
Preferably, the left-right moving dovetail groove is nested on the left-right moving dovetail block, and the left-right moving rack is fixedly arranged on the lower end face of the left-right moving dovetail groove.
Preferably, the left and right moving gear is arranged on a rotating shaft of the left and right moving motor, the left and right moving motor is arranged on the motor fixing seat, and the left and right moving gear is meshed with the left and right moving rack.
Preferably, the up-and-down moving part comprises a vertical supporting beam, an up-and-down moving dovetail groove, an up-and-down moving rack, an up-and-down moving motor and an up-and-down moving gear, the up-and-down moving dovetail groove is arranged on the vertical supporting beam, the up-and-down moving rack is arranged on the up-and-down moving dovetail groove, and the up-and-down moving gear is arranged on.
Preferably, the vertical supporting beam is rectangular column-shaped, the vertical supporting beam is vertically arranged on the left-right moving dovetail groove, and the front side face of the vertical supporting beam is provided with an up-down moving dovetail block.
Preferably, the up-and-down moving dovetail groove is nested on the up-and-down moving dovetail block, the up-and-down moving rack is fixedly arranged on the side edge of the up-and-down moving dovetail groove, and the up-and-down moving rack is the same as the up-and-down moving dovetail groove in length.
Preferably, the liquid transfer frame is a fixed frame and is fixedly arranged on the up-and-down moving dovetail groove; move liquid pole and be gooseneck, move liquid pole and be no less than 6, and be the vertical setting of matrix and be in move liquid rack lower surface.
Preferably, the number of the pipettes is the same as that of the pipetting rods, and the pipettes are arranged at the lower ends of the pipetting rods; the number of the peristaltic tubes is the same as that of the pipettes, and one peristaltic tube corresponds to one pipette; one end of the peristaltic tube is communicated with the pipette, and the other end of the peristaltic tube is connected to the peristaltic pump; the peristaltic pump is equipped with a central controller.
The utility model discloses the beneficial technological effect who obtains:
1) the multi-pipeline pipetting device has high automation degree, can automatically perform arbitrary pipetting on different test tubes and change the distance between the pipetting tubes so as to improve the test efficiency; whether the liquid suction amount of the pipette set by the central controller is consistent with the actual liquid suction amount can be detected at any time through the scale marks on the pipette, and the liquid feeding amount is ensured to be accurate;
2) the utility model discloses a multi-pipeline liquid-transfering device is provided with a liquid-transfering part, the liquid-transfering part comprises a plurality of liquid-transfering pipes and peristaltic pumps, the peristaltic pumps can simultaneously control a plurality of liquid-transfering pipes to perform equal or unequal liquid-transfering, and the requirements of different liquid-transfering amounts can be simultaneously met;
3) the utility model discloses a multitube way moves liquid device's pipette is connected to the liquid transfer frame through moving the liquid pole on, should move the liquid pole and be the gooseneck, through utilizing the crooked attribute of gooseneck can arbitrary direction to adjust the spatial position of pipette, and then adapt to the demand of imbibition.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:
FIG. 1 is a schematic diagram of the front side of the structure of the multi-pipeline pipetting device of the present invention;
fig. 2 is the rear schematic view of the structure of the multi-pipeline pipetting device of the present invention.
Wherein: 1-supporting bottom plate, 2-supporting column, 3-transverse supporting beam, 4-left and right moving dovetail block, 5-motor fixing seat, 6-left and right moving dovetail groove, 7-left and right moving motor, 8-left and right moving gear, 9-left and right moving rack, 10-vertical supporting beam, 11-up and down moving dovetail groove, 12-up and down moving rack, 13-up and down moving motor, 14-up and down moving gear, 15-pipetting rack, 16-pipetting rod, 17-pipetting tube, 18-peristaltic tube, 19-bundling barrel and 20-peristaltic pump.
Detailed Description
The technical solution of the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
As shown in fig. 1, a multi-channel pipetting device includes a support section, a left-right moving section provided on the support section, an up-down moving section provided on the left-right moving section, and a pipetting section connected to the up-down moving section.
The support part comprises a support base plate 1, a support column 2 and a transverse support beam, wherein the support column 2 is arranged on the support base plate 1, and the transverse support beam is arranged on the support column 2.
This supporting baseplate 1 is the rectangle of certain thickness, and this supporting baseplate 1 rear side limit department is provided with motor fixing base 5. The number of the support columns 2 is two, and the two support columns 2 are symmetrically and fixedly arranged at two ends of the support base plate 1 side by side. The transverse supporting beam is in a rectangular column shape and is horizontally and fixedly arranged on the two supporting columns 2. The front side of the transverse supporting beam is provided with a dovetail block 4 moving left and right.
The left and right moving part comprises a left and right moving dovetail groove 6, a left and right moving rack 9, a left and right moving gear 8 and a left and right moving motor 7, wherein the left and right moving rack 9 is arranged on the left and right moving dovetail groove 6, and the left and right moving gear 8 is arranged on the left and right moving motor 7.
The left-right moving dovetail groove 6 is nested on the left-right moving dovetail block 4, so that the left-right moving dovetail groove 6 can slide left and right on the left-right moving dovetail block 4. The left and right moving rack 9 is fixedly arranged on the lower end surface of the left and right moving dovetail groove 6, and the length of the left and right moving rack 9 is the same as that of the left and right moving dovetail groove 6.
The left and right moving gear 8 is fixedly arranged on a rotating shaft of the left and right moving motor 7, and the left and right moving motor 7 is arranged on the motor fixing seat 5, so that the left and right moving gear 8 is meshed with the left and right moving rack 9. When the left-right moving motor 7 rotates forwards, the left-right moving gear 8 can drive the left-right moving rack 9 to move rightwards, and then the left-right moving dovetail groove 6 slides rightwards along the left-right moving dovetail block 4. When the left-right moving motor 7 rotates reversely, the left-right moving gear 8 can drive the left-right moving rack 9 to move leftwards, and then the left-right moving dovetail groove 6 slides leftwards along the left-right moving dovetail block 4.
The up-down moving part includes a vertical support beam 10, an up-down moving dovetail groove 11, an up-down moving rack 12, an up-down moving motor 13, and an up-down moving gear 14, the up-down moving dovetail groove 11 is provided on the vertical support beam 10, the up-down moving rack 12 is provided on the up-down moving dovetail groove 11, and the up-down moving gear 14 is provided on the up-down moving motor 13.
The vertical supporting beam 10 is rectangular column-shaped, the vertical supporting beam 10 is vertically and fixedly arranged on the left-right moving dovetail groove 6, and the front side surface of the vertical supporting beam 10 is provided with an up-down moving dovetail block. The up-down moving dovetail groove 11 is nested on the up-down moving dovetail block, so that the up-down moving dovetail groove 11 can slide up and down along the up-down moving dovetail block.
The up-down moving rack 12 is fixedly arranged on the side of the up-down moving dovetail groove 11, and the up-down moving rack 12 has the same length as the up-down moving dovetail groove 11. When the up-down moving motor 13 rotates in the forward direction, the up-down moving gear 14 can drive the up-down moving rack 12 to move upward, so that the up-down moving dovetail groove 11 slides upward along the up-down moving dovetail block. When the up-down moving motor 13 rotates reversely, the up-down moving gear 14 can drive the up-down moving rack 12 to move downwards, so that the up-down moving dovetail groove 11 slides downwards along the up-down moving dovetail block.
According to fig. 2, the pipetting part comprises a pipetting rack 15, a pipetting rod 16, a pipetting tube 17, a peristaltic tube 18, a bundling cylinder 19 and a peristaltic pump 20, the pipetting rod 16 being arranged on the pipetting rack 15, the pipetting tube 17 being arranged on the pipetting rod 16, the peristaltic tube 18 being connected to the pipetting tube 17 and the peristaltic pump 20, respectively.
The pipetting rack 15 is a fixed rack for fixing the pipetting rod 16. The shape of the pipetting rack 15 can be designed according to the needs, and the number of the fixed pipetting rods 16 can be set according to the needs. For convenience of description, the pipetting rack 15 is configured in a shape of "japanese" in this embodiment, and the pipetting rack 15 is fixedly disposed on the up-and-down dovetail groove 11.
The pipetting rod 16 is a gooseneck, the number of the pipetting rods 16 is not less than 6, and 6 pipettes 17 are vertically arranged on the lower surface of the pipetting rack 15 in a matrix manner. The number of the pipettes 17 is the same as that of the pipetting rod 16, and the pipettes 17 are provided at the lower end of the pipetting rod 16 by a band or an adhesive tape. By utilizing the property that the pipette 16 can be bent in any direction, the distance between the pipettes 17 and the space position of the pipettes 17 can be adjusted as required so as to adapt to test tube racks with different intervals or flasks arranged with different intervals.
The number of the peristaltic tubes 18 is the same as that of the pipettes 17, and one peristaltic tube 18 corresponds to one pipette 17. The peristaltic tube 18 communicates at one end with the pipette 17 and is connected at the other end to a peristaltic pump 20. The bundling cylinder 19 is arranged on the left-right moving dovetail groove 6, and the bundling cylinder 19 is used for binding the six peristaltic tubes 18 into a whole, so that the integral tidiness of the device is improved.
The peristaltic pump 20 is independently provided, and the peristaltic pump 20 has at least six pump heads, and one pump head is correspondingly connected with one peristaltic tube 18. The peristaltic pump 20 is equipped with a central controller that is capable of setting different intake and filling volumes for each pump head. The liquid required to be transferred can be accurately transferred by utilizing the characteristic of high sucking and liquid adding precision of the peristaltic pump 20, so that the test precision is improved.
The utility model discloses a use method of this liquid device is moved to multitube way includes following step:
1) the multi-pipeline pipetting device is placed on a test bed, and a left-right moving motor 7 is started to rotate reversely, so that a pipetting rack 15 moves to the left side;
2) placing a test tube or flask to be sucked with liquid on a test tube rack or a tray right below the liquid-transferring rack 15, and manually adjusting the position of each liquid-transferring pipe 17 according to the requirement to enable each liquid-transferring pipe 17 to be aligned with the center of the corresponding test tube or flask; placing a test tube or a flask to be added with liquid on a test tube rack or a tray on the right side;
3) starting the up-down moving motor 13 to rotate reversely to move the pipette 17 downwards to a proper height;
4) setting the amount of liquid aspirated by each pipette 17 and setting the pump head to rotate forward by the central controller; after each pipette 17 finishes sucking, starting the up-down moving motor 13 to rotate in the positive direction, and stopping after the pipette 17 is lifted to a proper height;
5) starting a left-right moving motor 7 to rotate forward, and stopping after a liquid transferring frame 15 moves to the right side to a position right above a test tube or a flask to be added with liquid;
6) starting the up-down moving motor 13 to rotate reversely, so that the pipette 17 moves downwards to a proper height;
7) the pump head is controlled by the central controller to rotate reversely, so that the liquid in each pipette 17 is filled into a test tube or a flask to be filled with liquid;
8) the up-down moving motor 13 is started to rotate in the positive direction, so that the pipette 17 is lifted to a proper height, and then the pipetting operation is finished.
As described above, the present invention can be preferably implemented, and variations, modifications, replacements, integrations and modifications of these embodiments can be made by those skilled in the art without departing from the principle and spirit of the present invention, and still fall within the protection scope of the present invention. The parts of the utility model which are not specially explained or limited adopt the prior art.
Claims (10)
1. A multi-channel pipetting device, comprising:
the supporting part comprises a supporting bottom plate (1), a supporting column (2) and a transverse supporting beam, wherein the supporting column (2) is arranged on the supporting bottom plate (1), and the transverse supporting beam is arranged on the supporting column (2);
the moving part is arranged on the supporting part and comprises a left moving part and a right moving part and an up-down moving part, the left moving part is arranged on the supporting part, and the up-down moving part is arranged on the left moving part;
the liquid transferring part is connected with the upper moving part and the lower moving part, the liquid transferring part comprises a liquid transferring frame (15), a liquid transferring rod (16), a liquid transferring pipe (17), a peristaltic pipe (18) and a peristaltic pump (20), the liquid transferring rod (16) is arranged on the liquid transferring frame (15), the liquid transferring pipe (17) is arranged on the liquid transferring rod (16), and the peristaltic pipe (18) is respectively connected with the liquid transferring pipe (17) and the peristaltic pump (20).
2. A multi-channel pipetting device according to claim 1 wherein the support base plate (1) is rectangular with a certain thickness and a motor holder (5) is provided at the rear side of the support base plate (1); the number of the supporting columns (2) is multiple, and the supporting columns (2) are fixedly arranged on the supporting base plate (1); the transverse supporting beam is in a rectangular column shape and is horizontally and fixedly arranged on the two supporting columns (2); the front side surface of the transverse supporting beam is provided with a left-right moving dovetail block (4).
3. A multi-channel pipetting device according to claim 2, wherein the left-right moving part comprises a left-right moving dovetail groove (6), a left-right moving rack (9), a left-right moving gear (8) and a left-right moving motor (7), the left-right moving rack (9) is arranged on the left-right moving dovetail groove (6), and the left-right moving gear (8) is arranged on the left-right moving motor (7).
4. A multi-pipeline pipetting device according to claim 3, wherein the left-right moving dovetail groove (6) is nested on the left-right moving dovetail block (4), and the left-right moving rack (9) is fixedly arranged on the lower end surface of the left-right moving dovetail groove (6).
5. A multi-channel pipetting device as recited in claim 3 or 4 wherein the left-right moving gear (8) is provided on a rotating shaft of the left-right moving motor (7), the left-right moving motor (7) is provided on the motor fixing base (5), and the left-right moving gear (8) is engaged with the left-right moving rack (9).
6. A multi-channel pipetting device according to claim 3 or 4, wherein the up-and-down moving section comprises a vertical support beam (10), an up-and-down moving dovetail groove (11), an up-and-down moving rack (12), an up-and-down moving motor (13), and an up-and-down moving gear (14), the up-and-down moving dovetail groove (11) being provided on the vertical support beam (10), the up-and-down moving rack (12) being provided on the up-and-down moving dovetail groove (11), the up-and-down moving gear (14) being provided on the up-and-down moving motor.
7. A multi-pipeline pipetting device according to claim 6, wherein the vertical support beam (10) is rectangular column-shaped, the vertical support beam (10) is vertically arranged on the dovetail groove (6) moving left and right, and the front side of the vertical support beam (10) is provided with a dovetail block moving up and down.
8. The multi-channel pipetting device according to claim 7, wherein the up-and-down moving dovetail groove (11) is nested on the up-and-down moving dovetail block, the up-and-down moving rack (12) is fixedly arranged on the side of the up-and-down moving dovetail groove (11), and the up-and-down moving rack (12) has the same length as the up-and-down moving dovetail groove (11).
9. A multi-channel pipetting device according to claim 6 wherein the pipetting rack (15) is a fixed rack, the pipetting rack (15) being fixedly arranged on the up-and-down dovetail groove (11); move liquid pole (16) and be gooseneck, move liquid pole (16) and be no less than 6, and be the vertical setting of matrix and be in move liquid frame (15) lower surface.
10. A multi-channel pipetting device according to claim 1 or 2, wherein the number of pipettes (17) is the same as the number of pipetting rod (16), the pipettes (17) being provided at the lower end of the pipetting rod (16); the number of the peristaltic tubes (18) is the same as that of the pipettes (17), and one peristaltic tube (18) corresponds to one pipette (17); one end of the peristaltic tube (18) is communicated with the pipette (17), and the other end of the peristaltic tube is connected with the peristaltic pump (20); the peristaltic pump (20) is equipped with a central controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661418.1U CN210846433U (en) | 2019-10-07 | 2019-10-07 | Multi-pipeline liquid transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661418.1U CN210846433U (en) | 2019-10-07 | 2019-10-07 | Multi-pipeline liquid transfer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210846433U true CN210846433U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921661418.1U Expired - Fee Related CN210846433U (en) | 2019-10-07 | 2019-10-07 | Multi-pipeline liquid transfer device |
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| Country | Link |
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| CN (1) | CN210846433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115616235A (en) * | 2022-09-28 | 2023-01-17 | 合肥元哉生物科技有限公司 | Automatic trace sample application equipment of 1536 pore plates |
-
2019
- 2019-10-07 CN CN201921661418.1U patent/CN210846433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115616235A (en) * | 2022-09-28 | 2023-01-17 | 合肥元哉生物科技有限公司 | Automatic trace sample application equipment of 1536 pore plates |
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Granted publication date: 20200626 Termination date: 20211007 |