CN214765555U

CN214765555U - 96-channel manual liquid transfer device

Info

Publication number: CN214765555U
Application number: CN202121320694.9U
Authority: CN
Inventors: 周国梁; 张涛; 盛布恩
Original assignee: Territory Animal Diagnosis And Treatment Technology Xiamen Co ltd; Xiamen Tongrenxin Biology Technology Co ltd
Current assignee: Territory Animal Diagnosis And Treatment Technology Xiamen Co ltd; Xiamen Tongrenxin Biology Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-11-19
Anticipated expiration: 2031-06-11

Abstract

The application relates to a 96-channel manual pipetting device, which comprises a base, a first liquid container, a second liquid container and a liquid outlet, wherein the base is used for holding at least one multi-hole plate; the liquid transfer device is provided with a control handle and a plurality of liquid transfer heads, the liquid transfer heads are positioned on the lower end surface of the liquid transfer device, the liquid transfer heads are arranged in a two-dimensional array of rows and columns, the control handle is installed on the liquid transfer device, and the control handle drives the liquid transfer heads to absorb and discharge liquid; and the vertical guide rail is arranged on the base, and the pipettor is connected to the vertical guide rail in a sliding manner. This application has moves liquid efficient effect.

Description

96-channel manual liquid transfer device

Technical Field

The application relates to the field of pipettors, in particular to a 96-channel manual pipetting device.

Background

The pipettor is a common test device, is a metering tool for moving liquid from an original container to another container within a certain range, and is widely used in the fields of biology and chemical dang.

According to a single track manually adjustable pipettor that publication number CN212732211U discloses, it is including moving a liquid section of thick bamboo, move a liquid section of thick bamboo bottom and install the needle tubing, it forms the roof to move the shrink of liquid section of thick bamboo top, it is fixed with the baffle to move a liquid section of thick bamboo inner chamber middle part, be sealing connection between baffle and the interior cavity wall of moving a liquid section of thick bamboo, be formed with the stock solution room between baffle bottom after fixing and the interior cavity bottom of moving a liquid section of thick bamboo, movable mounting has the rubber buffer in the stock solution room, the vertical compression leg that is fixed with in top of rubber buffer, the compression leg top upwards passes baffle and clamp plate fixed connection, be equipped with the regulating plate in the moving a liquid section of thick bamboo above the clamp plate, the vertical adjusting screw that is fixed with in regulating plate top, the adjusting screw top upwards passes the roof and twists first fixed connection. The preset liquid suction amount can be performed first, and then the rapid liquid suction is performed.

In view of the above-mentioned related art, the inventors believe that the above-mentioned pipettes are often used for pipetting individually, and when a multi-well plate such as a 96-well plate or a 384-well plate is required to pipette a liquid of the same amount, a single copy is required, and the above-mentioned method is slow in pipetting speed and inefficient.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of moving liquid, this application provides a 96 manual liquid-transfering device.

The application provides a 96 manual liquid-transfering device adopts following technical scheme:

a 96-lane manual pipetting device comprising:

a base for holding at least one porous disk;

the liquid transfer device comprises a liquid transfer device, a control handle and a plurality of liquid transfer heads, wherein the liquid transfer heads are positioned on the lower end surface of the liquid transfer device, the liquid transfer heads are arranged in a two-dimensional array of rows and columns, the control handle is arranged on the liquid transfer device, and the control handle drives the liquid transfer heads to absorb and discharge liquid;

and the vertical guide rail is arranged on the base, and the pipettor is connected to the vertical guide rail in a sliding manner.

Through adopting above-mentioned technical scheme, the pipettor reciprocates on vertical guide rail, can install the rifle head simultaneously on moving the liquid head after the pipettor moves down, then move the overhead rifle head imbibition of liquid through the control handle drive, then with the liquid immigration in the rifle head in another container, accomplished once and moved the liquid operation promptly, once move the liquid and can accomplish the liquid operation that moves the liquid on a porous dish simultaneously, and need not to move the liquid once more again, move liquid efficiently.

Optionally, the base includes bottom plate, support column and horizontal guide, the support column is fixed on the bottom plate, the horizontal guide is fixed in the support column upper end, vertical guide slides and connects on the horizontal guide.

Through adopting above-mentioned technical scheme, vertical guide rail can carry the pipettor to remove on horizontal guide rail to can directly shift the test solution that the pipettor was absorb to porous dish on, need not to remove porous dish, move liquid efficiently.

Optionally, the bottom plate is provided with a first placing plate and a second placing plate for placing the porous plate, and the first placing plate and the second placing plate are respectively located right below two ends of the horizontal guide rail.

Through adopting above-mentioned technical scheme, all placed porous dish on first arrangement dish and the second arrangement dish, and because first arrangement dish and second arrangement dish all are located horizontal guide rail's both ends under, can fix a position the porous dish of placing on first arrangement dish and the second arrangement dish, move down when the pipettor removes to horizontal guide rail tip and can accurate imbibition and flowing back.

Optionally, the first placing tray and the second placing tray are both provided with positioning grooves for placing the porous trays, and the positioning grooves are located right below the end portions of the horizontal guide rails.

Through adopting above-mentioned technical scheme, the constant head tank is arranged in to porous dish, realizes the location of porous dish, can ensure accurate imbibition and flowing back.

Optionally, the top surface of bottom plate is provided with two at least slides, the slide is perpendicular with horizontal slide rail, the lower extreme of first arrangement dish and second arrangement dish slides respectively and connects on two slides.

Through adopting above-mentioned technical scheme, first arrangement dish and second arrangement dish can slide along the slide, conveniently move first arrangement dish and second arrangement dish at the liquid-transfering in-process.

Optionally, a positioning block is further arranged on the bottom plate, the positioning block is arranged at the end part close to the slide way, limiting blocks are arranged at the bottoms of the first placing disc and the second placing disc, and the positioning block and the limiting blocks can be mutually abutted.

Through adopting above-mentioned technical scheme, locating piece and stopper cooperation play spacingly to the gliding movement of first arrangement dish and second arrangement dish, avoid first arrangement dish and second arrangement dish to shift out from the bottom plate.

Optionally, the first mounting plate and the second mounting plate are both provided with adjusting blocks.

Through adopting above-mentioned technical scheme, conveniently operate the slip of first arrangement dish and second arrangement dish on the slide.

Optionally, an auxiliary handle is further arranged on the pipette, and the auxiliary handle is arranged close to the control handle.

Through adopting above-mentioned technical scheme, the auxiliary handle be provided with and do benefit to the removal of operation pipettor, also can cooperate with brake valve lever moreover, be favorable to the imbibition and the flowing back operation of liquid head of moving.

In summary, the present application includes at least one of the following beneficial technical effects: through the setting of vertical slide rail and horizontal slide rail for the pipettor can move on vertical direction and horizontal direction, thereby realize fast and accomplish simultaneously that the liquid-transfering operation of liquid on a porous dish need not the liquid-transfering once more, move liquid efficiently.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an exploded view of the base in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a pipette in an embodiment of the present application.

Reference numerals: 1. a base; 11. a base plate; 12. a support pillar; 13. a horizontal guide rail; 14. a first setting tray; 15. a second mounting plate; 16. a vertical guide rail; 17. positioning a groove; 18. an adjusting block; 2. a pipettor; 21. a pipetting head; 22. a control handle; 23. an auxiliary handle; 3. a slideway; 31. a slide rail; 4. positioning blocks; 41. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses 96 manual liquid-transfering device, refer to fig. 1, including base 1 and the pipettor 2 of setting on base 1, on base 1 was arranged in to the porous dish, pipettor 2 can absorb the test solution and shift the test solution to the porous dish in, accomplish and move liquid work.

Referring to fig. 2, the base 1 includes a base plate 11, a support column 12, a horizontal guide rail 13, a first settling tray 14, and a second settling tray 15. The number of the support columns 12 is two, the bottom ends of the two support columns 12 are fixed on the upper end face of the bottom plate 11, the two support columns 12 are located on the edges of two sides of the bottom plate 11, and the two support columns 12 are symmetrically arranged.

Horizontal guide 13 is fixed on the top of two support columns 12, and horizontal guide 13 is parallel with one side of bottom plate 11, it is connected with vertical guide 16 to slide on horizontal guide 13, vertical guide 16 can slide along horizontal guide 13's direction, pipettor 2 slides and connects on vertical guide 16, pipettor 2 can be together with vertical guide 16 and do horizontal sliding motion along horizontal guide 13, when confirming the horizontal position of pipettor 2, do the oscilaltion motion along vertical guide 16's direction again to move liquid work.

The first placing tray 14 and the second placing tray 15 are arranged on the bottom plate 11 in parallel, the length direction of the first placing tray 14 and the second placing tray 15 is perpendicular to the direction of the parallel guide rails, and the first placing tray 14 and the second placing tray 15 are respectively arranged below the end parts of the two ends of the horizontal guide rail 13. When the pipettor 2 translates on the horizontal guide rail 13, the pipettor 2 can translate to a position right above the first mounting tray 14 or a position right above the second mounting tray 15, so that the pipettor 2 can conveniently perform pipetting work.

At least one positioning groove 17 is provided on the first installation disk 14 and the second installation disk 15, respectively. Constant head tank 17 on first arrangement dish 14 and the second arrangement dish 15 in this embodiment is equallyd divide and is provided with two respectively, and two constant head tank 17 symmetric distributions on same arrangement dish, then can place the rifle box, the container that is equipped with the test solution and two porous dishes respectively on first arrangement dish 14 and second arrangement dish 15 simultaneously, make things convenient for the sample of pipettor 2 and move the liquid, can accomplish fast and move the liquid operation.

At least two slide ways 3 are arranged on the upper end surface of the bottom plate 11. Slide 3 and horizontal guide 13 are perpendicular, are provided with the slide rail 31 of being connected with slide 3 slides respectively at the lower terminal surface of first arrangement dish 14 and second arrangement dish 15, and first arrangement dish 14 and second arrangement dish 15 all can slide along the length direction of slide 3 to remove the constant head tank 17 on first arrangement dish 14 and the second arrangement dish 15, drive the container of placing in the constant head tank 17 and remove to pipettor 2 under, make pipettor 2 can accomplish the work of moving the liquid smoothly.

An adjusting block 18 is arranged on each of the first placing disk 14 and the second placing disk 15, and the sliding operation of the first placing disk 14 or the second placing disk 15 is facilitated through the adjusting block 18.

A positioning block 4 is further arranged on the upper end face of the bottom plate 11, the positioning block 4 is located on the periphery of the slide way 3, and the positioning block 4 is close to the end of the slide way 3; the lower end faces of the first mounting plate 14 and the second mounting plate 15 are respectively provided with a limiting block 41, the limiting block 41 is located on the periphery of the slide rail 31, the positioning block 4 is matched with the limiting block 41, and the limiting block 41 is located on one side far away from the pipette 2.

When the first placing tray 14 or the second placing tray 15 is slid, when the limiting block 41 abuts against the positioning block 4, the first placing tray 14 and the second placing tray 15 cannot be slid any more, and at this time, the positioning groove 17 on the first placing tray 14 or the positioning groove 17 on the second placing tray 15 are located right below the pipette 2, so that the pipetting operation can be performed, and meanwhile, due to the limitation of the positions of the first placing tray 14 and the second placing tray 15, the first placing tray 14 and the second placing tray 15 are prevented from being separated from the bottom plate 11, and the containers on the first placing tray 14 and the second placing tray 15 are ensured to be stably placed on the base 1.

Referring to fig. 3, the pipette 2 is provided with a pipette head 21 for mounting a pipette gun, a control handle 22 for controlling liquid taking and discharging, and an auxiliary handle 23 for assisting the control handle 22. The plurality of liquid transferring heads 21 are arranged, each liquid transferring head 21 is located on the lower end face of the liquid transferring device 2, and the liquid transferring heads 21 are arranged in a two-dimensional array of rows and columns, so that each liquid transferring head 21 can correspond to the porous disc, and a gun head can be sleeved on each liquid transferring head 21 to absorb test liquid and discharge liquid.

The control handle 22 is mounted on the pipette 2 and controls the pipette head 21 to perform pipetting and discharging operations. The auxiliary handle 23 is mounted on the pipette 2, and the auxiliary handle 23 is close to the control handle 22, so that when the control handle 22 is operated, the auxiliary handle 23 can limit the movement of the control handle 22, and the liquid suction and discharge work can be carried out smoothly.

The implementation principle of the 96-channel manual pipetting device in the embodiment of the application is as follows: placing the gun box on a first placing disc 14, moving a vertical guide rail 16 and a pipettor 2 along a horizontal guide rail 13, moving the pipettor 2 along the vertical guide rail 16 when the pipettor 2 moves to a position right above the gun box of the first placing disc, and moving a pipetting head 21 of the pipettor 2 downwards to be in contact with a gun head in the gun box so that the gun head is sleeved on each pipetting head 21; moving the pipettor 2 along the vertical guide rail 16, moving the first mounting plate 14 through the adjusting block 18, so that the container with the test solution on the first mounting plate 14 moves to a position right below the pipettor 2, and moving the pipettor 2 along the vertical guide rail 16 so that the pipette head can suck the test solution; the pipettor 2 is moved upwards along the vertical guide rail 16, the pipettor 2 is moved along the horizontal guide rail 13 again to make the pipettor 2 move to the position right above the second mounting plate 15, the pipettor 2 is moved along the vertical guide rail 16 to make the pipettor 2 move downwards to the position right above the porous plate of the second mounting plate 15, and the test solution in the gun head is discharged into the porous plate, so that the operation of pipetting each hole in the porous plate is completed once, and the pipetting efficiency is high.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A 96-lane manual pipetting device comprising:

a base (1), said base (1) being for holding at least one porous disc;

the liquid transfer device comprises a liquid transfer device (2), wherein a control handle (22) and a plurality of liquid transfer heads (21) are arranged on the liquid transfer device (2), the liquid transfer heads (21) are positioned on the lower end face of the liquid transfer device (2), the liquid transfer heads (21) are arranged in a two-dimensional array of rows and columns, the control handle (22) is installed on the liquid transfer device (2), and the control handle (22) drives the liquid transfer heads (21) to absorb and discharge liquid;

and the vertical guide rail (16), the vertical guide rail (16) is arranged on the base (1), and the pipettor (2) is connected to the vertical guide rail (16) in a sliding manner.

2. A 96-lane manual pipetting device according to claim 1, wherein: the base (1) comprises a bottom plate (11), a supporting column (12) and a horizontal guide rail (13), the supporting column (12) is fixed on the bottom plate (11), the horizontal guide rail (13) is fixed at the upper end of the supporting column (12), and the vertical guide rail (16) is connected to the horizontal guide rail (13) in a sliding mode.

3. A 96-lane manual pipetting device according to claim 2, wherein: the bottom plate (11) is provided with a first placing plate (14) and a second placing plate (15) for placing the porous plates, and the first placing plate (14) and the second placing plate (15) are respectively positioned right below two ends of the horizontal guide rail (13).

4. A 96-lane manual pipetting device according to claim 3, wherein: and the first placing plate (14) and the second placing plate (15) are respectively provided with a positioning groove (17) for placing the porous plate, and the positioning grooves (17) are positioned right below the end part of the horizontal guide rail (13).

5. A 96-lane manual pipetting device according to claim 3, wherein: the top surface of bottom plate (11) is provided with two at least slides (3), slide (3) and horizontal slide rail (31) are perpendicular, the lower extreme of first settling plate (14) and second settling plate (15) slides respectively and connects on two slides (3).

6. A96-lane manual pipetting device according to claim 5, wherein: still be provided with locating piece (4) on bottom plate (11), the tip setting that locating piece (4) are close to slide (3), the bottom of first settling disk (14) and second settling disk (15) all is provided with stopper (41), locating piece (4) and stopper (41) can butt each other.

7. A96-lane manual pipetting device according to claim 5, wherein: the first placing disc (14) and the second placing disc (15) are both provided with adjusting blocks (18).

8. A 96-lane manual pipetting device according to claim 1, wherein: an auxiliary handle (23) is further arranged on the pipette (2), and the auxiliary handle (23) is arranged close to the control handle (22).