High-precision micropipetting workstation

Abstract

The utility model belongs to the technical field of pipetting equipment, and particularly relates to a high-precision micro-pipetting workstation which comprises a box body, a liquid storage box is arranged on one side of the lower portion inside the box body, a pipetting box is arranged on the other side inside the box body, a transmission mechanism is arranged on the upper portion inside the box body, and a pipettor is arranged below the transmission mechanism. A first motor is started to drive a first threaded rod to rotate, so that a first connecting ring and a first limiting plate can transversely move along with the first threaded rod, and meanwhile, a second motor is started to drive a second threaded rod to rotate, so that a second connecting ring and a second limiting plate can longitudinally move; through cooperation of the through hole and the sliding groove, the sliding plate can move in multiple directions, so that the position of the liquid extraction pipe can be conveniently adjusted, and liquid is extracted, discharged and transferred through the holes of the liquid transferring box and the liquid storage box.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid transfer equipment, in particular to a high-precision micro-liquid transfer workstation. Background Art

[0002] The pipetting workstation is an automated operation platform for biomedical laboratories that combines automated operations with liquid handling. Micropipetting is an auxiliary device used in the biological field to transfer trace amounts of liquid in most biological experiments to facilitate subsequent observation or other operations on the liquid. It has been widely used in the field of experimental equipment technology.

[0003] The prior art has the following problems:

[0004] In the existing technology, when transferring a small or trace amount of liquid, the operator usually holds a pipette, inserts the pipette tip into the liquid on a culture dish or a slide, and then draws the liquid into the pipette. During the process of drawing the liquid, the hand holding the pipette will shake unconsciously, which will hinder the process of drawing the liquid and easily damage the pipette tip. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high-precision micro-pipette workstation, which solves the problem that in the existing technology, when transferring a small amount or a trace amount of liquid, the operator usually holds a pipette, inserts the pipette tip into the liquid on a culture dish or a slide, and then draws the liquid into the pipette. During the process of drawing the liquid, the hand holding the pipette will shake unconsciously, which hinders the process of drawing the liquid and easily damages the tip.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision micro-pipette workstation, comprising a box body, a liquid storage box is provided on one side of the lower interior of the box body, a pipette box is provided on the other side of the interior of the box body, a transmission mechanism is provided on the upper interior of the box body, and a pipette is provided below the transmission mechanism.

[0007] As a preferred technical solution of the utility model, the transmission mechanism includes a first motor and a second motor and a first threaded rod and a second threaded rod. The first motor and the second motor are diagonally arranged and fixedly installed on the inner wall of the box respectively. The first threaded rod and the second threaded rod are respectively fixedly installed on the output ends of the first motor and the second motor, and the ends of the first threaded rod and the second threaded rod away from the first motor and the second motor are respectively rotatably installed on the inner wall of the box.

[0008] As a preferred technical solution of the utility model, a first connecting ring and a second connecting ring are threadedly installed on the first threaded rod and the second threaded rod respectively, and a first limiting plate and a second limiting plate are fixedly installed on the first connecting ring and the second connecting ring respectively.

[0009] As a preferred technical solution of the utility model, the first limit plate and the second limit plate are arranged alternately up and down, and the first limit plate and the second limit plate are slidably installed on the inner wall of the box body at one end away from the first connecting ring and the second connecting ring respectively, and the first limit plate and the second limit plate are respectively provided with through holes inside, and the slide plates are slidably installed inside the through holes.

[0010] As a preferred technical solution of the utility model, sliding grooves are respectively provided on both sides of the through hole, and both sides of the slide plate are respectively slidably installed inside the sliding grooves.

[0011] As a preferred technical solution of the utility model, a mounting groove is provided inside the slide board, and an electric telescopic rod is fixedly installed thereon. The electric telescopic rod is telescopically extended to the outside of the slide board and is fixedly connected to the pipette.

[0012] Compared with the prior art, the utility model provides a high-precision micro-liquid transfer workstation, which has the following beneficial effects:

[0013] The high-precision micro-pipette workstation starts a first motor to drive the first threaded rod to rotate, so that the first connecting ring and the first limiting plate can move laterally with the first threaded rod. At the same time, the second motor is started to drive the second threaded rod to rotate, so that the second connecting ring and the second limiting plate can move longitudinally. The through holes and the slide grooves cooperate to enable the slide plate to move in multiple directions, so that the liquid extraction tube can adjust its position to extract and discharge the liquid through the holes of the pipetting box and the liquid storage box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure when viewed from above of the utility model.

[0017] In the figure: 1. box body; 2. liquid storage box; 3. transfer box; 4. first motor; 5. first threaded rod; 6. first connecting ring; 7. first limit plate; 8. second motor; 9. second threaded rod; 10. second connecting ring; 11. second limit plate; 12. through hole; 13. slide groove; 14. slide plate; 15. electric telescopic rod; 16. transfer device. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 In this embodiment: a high-precision micro-pipette workstation includes a box body 1, a liquid storage box 2 is provided on one side of the lower interior of the box body 1, a pipette box 3 is provided on the other side of the interior of the box body 1, and a transmission mechanism is provided on the upper interior of the box body 1 to facilitate driving a pipette 16 to move in all directions; a pipette 16 is provided below the transmission mechanism to extract liquid.

[0020] In this embodiment, the transmission mechanism includes a first motor 4 and a second motor 8 and a first threaded rod 5 and a second threaded rod 9. The first motor 4 and the second motor 8 are diagonally arranged and fixedly installed on the inner wall of the box body 1 respectively. The first threaded rod 5 and the second threaded rod 9 are respectively fixedly installed with the output ends of the first motor 4 and the second motor 8, and the first threaded rod 5 and the second threaded rod 9 are respectively rotatably installed on the inner wall of the box body 1 at one end away from the first motor 4 and the second motor 8; the first threaded rod 5 and the second threaded rod 9 are respectively threadedly installed with a first connecting ring 6 and a second connecting ring 10, and the first connecting ring 6 and the second connecting ring 10 are respectively fixedly installed with a first limiting plate 7 and a second limiting plate 11; the first limiting plate 7 and the second limiting plate 11 are staggered up and down, and the first limiting plate 7 and the second limiting plate 11 are respectively slidably installed on the inner wall of the box body 1 at one end away from the first connecting ring 6 and the second connecting ring 10, and the first limiting plate 7 and the second limiting plate 11 are respectively provided with through holes 12 inside, and a slide plate 14 is slidably installed inside the through hole 12, and a start The first motor 4 is driven to drive the first threaded rod 5 to rotate, so that the first connecting ring 6 and the first limiting plate 7 can move laterally with the first threaded rod 5. At the same time, the second motor 8 is started to drive the second threaded rod 9 to rotate, so that the second connecting ring 10 and the second limiting plate 11 can move longitudinally, and the slide plate 14 can move in multiple directions through the through hole 12 and the slide groove 13, so that the liquid extraction tube can adjust the position to extract and discharge the liquid through the holes of the liquid transfer box and the liquid storage box; the two sides of the through hole 12 are respectively provided with slide grooves 13, and the two sides of the slide plate 14 are respectively slidably installed in the inside of the slide groove 13; the inside of the slide plate 14 is provided with an installation groove, and an electric telescopic rod 15 is fixedly installed, and the telescopic extension of the electric telescopic rod 15 extends to the outside of the slide plate 14, and is fixedly connected to the pipette 16. By starting the electric telescopic rod 15, it is convenient to drive the pipette 16 to move up and down, so as to facilitate the liquid to be sucked into the inside of the pipette 16, so as to facilitate the liquid to be transferred to the inside of the pipette box 3.

[0021] The working principle and use process of the utility model are as follows: when the operator needs to extract the liquid inside the liquid storage tank 2, the operator starts the first motor 4 and the second motor 8 respectively to drive the first threaded rod 5 and the second threaded rod 9 to rotate respectively, so that the first connecting ring 6 and the first limiting plate 7 as well as the second connecting ring 10 and the second limiting plate 11 can move laterally and longitudinally with the first threaded rod 5, and the slide plate 14 can move in multiple directions through the cooperation of the through hole 12 and the slide groove 13, so as to move the pipette 16 to the top of the liquid storage tank 2, and then start the electric telescopic rod 15 to move it to the inside of the liquid storage tank 2 to extract the liquid, and start the first motor 4 and the second motor 8 again to move the pipette 16 to the top of the pipette box 3, and move the pipette 16 to the inside of the pipette box 3 through the electric telescopic rod 15 to discharge the liquid.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-precision micro-liquid transfer workstation, characterized in that: The invention comprises a box body (1), wherein a liquid storage box (2) is provided on one side of the lower part of the box body (1), a liquid transfer box (3) is provided on the other side of the box body (1), a transmission mechanism is provided on the upper part of the box body (1), and a liquid transfer device (16) is provided below the transmission mechanism, wherein the transmission mechanism comprises a first motor (4) and a second motor (8) and a first threaded rod (5) and a second threaded rod (9), wherein the first motor (4) and the second motor (8) are diagonally arranged and fixedly mounted on the inner wall of the box body (1), respectively, and the first threaded rod (5) and the second threaded rod (9) are fixedly mounted on the output ends of the first motor (4) and the second motor (8), respectively, and the first threaded rod (5) and the second threaded rod (9) are away from the output ends of the first motor (4) and the second motor (8). One end is rotatably mounted on the inner wall of the box body (1), the first threaded rod (5) and the second threaded rod (9) are respectively threadedly mounted on the first connecting ring (6) and the second connecting ring (10), the first limiting plate (7) and the second limiting plate (11) are respectively fixedly mounted on the first connecting ring (6) and the second connecting ring (10), the first limiting plate (7) and the second limiting plate (11) are arranged alternately up and down, one end of the first limiting plate (7) and the second limiting plate (11) away from the first connecting ring (6) and the second connecting ring (10) are respectively slidably mounted on the inner wall of the box body (1), the first limiting plate (7) and the second limiting plate (11) are respectively provided with through holes (12) inside, and slide plates (14) are slidably mounted inside the through holes (12).

2. A high-precision micro-liquid transfer workstation according to claim 1, characterized in that: Slide grooves (13) are respectively provided on both sides of the through hole (12), and both sides of the slide plate (14) are respectively slidably mounted inside the slide grooves (13).

3. A high-precision micro-liquid transfer workstation according to claim 2, characterized in that: The slide plate (14) is provided with a mounting groove inside, and an electric telescopic rod (15) is fixedly mounted thereon. The electric telescopic rod (15) is telescopically extended to the outside of the slide plate (14) and is fixedly connected to the pipette (16).

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