A pipette gun retraction device for a pipetting station

Abstract

The utility model relates to pipette retreats the gun technical field of pipetting workstation, and disclose a pipetting workstation's pipette retreats the gun device, including bottom plate, support column is set up in the top of bottom plate, top plate is set up in the top of bottom plate, connecting container is set up in the bottom of top plate, connecting column is set up in the bottom of connecting container, the inside of connecting column is opened and has the movable slot, and the inside of movable slot is opened and has the activity mouth no.1.The utility model discloses through the joint assembly is unbound, rotates the rotating block again, and the rotating block rotates and drives eccentric wheel rotation through the rotating column, and eccentric wheel rotation does not extrude the moving block, at this moment, reset spring no.1 drives the moving block movement, and the moving block movement drives extrusion plate movement through the drive column, so that extrusion plate does not extrude the plug -in block, at this moment, pipette main body can be taken out and will be replaced, to reach the effect of conveniently replacing pipette main body.

Description

Technical Field

[0001] This utility model relates to the field of pipette ejection technology in pipetting workstations, specifically to a pipette ejection device for a pipetting workstation. Background Technology

[0002] A pipetting workstation is a highly automated device designed specifically for laboratory liquid handling. Its core function is to automate tasks such as liquid aspiration, dilution, mixing, and transfer. It typically consists of multiple precise pipetting devices, such as micropipettes, diluents, and transferors, forming an integrated system. Pipetting workstations are widely used in various fields, including biology, chemistry, pharmaceuticals, food science, and materials science. In drug screening and synthesis, pipetting workstations can automatically handle and transfer large volumes of samples, greatly improving experimental efficiency; in biological sample analysis, they help researchers more accurately control sample volumes, achieving efficient and precise experimental operations.

[0003] Compared to existing technologies: Existing pipetting workstations may be inconvenient to operate if they do not have a pipette retraction device. The main function of the retraction device is to help operators easily remove the pipette from the container. Without this device, operators may need to use extra force or skill to manually remove the pipette, which increases the difficulty and complexity of the operation.

[0004] Therefore, a pipette ejection device for a pipetting workstation is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a pipette retraction device for a pipetting workstation, which solves the problem mentioned in the background art that the lack of a pipette retraction device may lead to inconvenience in operation, and achieves the goal of helping operators to easily remove the pipette from the container.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a pipette ejection device for a pipetting workstation, comprising a base plate; a support column disposed on the top of the base plate; a top plate disposed on the top of the base plate; a connecting container disposed on the bottom of the top plate; a connecting column disposed on the bottom of the connecting container, wherein the connecting column has a movable groove inside, and the movable groove has a movable opening inside; a fixing component disposed in the movable groove of the connecting column; and a snap-fit ​​component disposed on the bottom of the connecting column.

[0007] Preferably, the top of the base plate is fixedly connected to the bottom of the support column, the top of the support column is fixedly connected to the bottom of the top plate, the bottom of the top plate is fixedly connected to the top of the connecting container, and the bottom of the connecting container is connected to the top of the connecting column.

[0008] Preferably, the fixing component includes: a pipette body disposed at the bottom of the connecting post, a second movable port being fitted on one side of the pipette body, and a limiting port being formed on the inner wall of the second movable port; the top of the pipette body being connected to the bottom of the connecting post, and an insert being fixedly connected to the top of the pipette body, the insert being adapted to the first movable port.

[0009] Preferably, the fixing component includes: a rotating column disposed in a movable groove opened in the connecting column; one side of the rotating column is rotatably connected to the inner wall of the movable groove, the other side of the rotating column is fixedly connected to a rotating block, an eccentric wheel is fixedly sleeved on the outer wall of the rotating column, and the other side of the rotating column penetrates the inner wall of the movable groove and extends to the outside and is fixedly connected to one side of the rotating block.

[0010] Preferably, the fixing component includes: a return spring, disposed at the bottom of the inner wall of the movable groove; a moving block, disposed within the movable groove of the connecting column, the bottom of the moving block having a buffer groove, and one side of the moving block having a linkage groove; one end of the return spring is fixedly connected to the bottom of the inner wall of the movable groove, the other end of the return spring is fixedly connected to the inner wall of the buffer groove, the other side of the moving block is slidably connected to the inner wall of the movable groove, a driving column is fixedly connected to the inner wall of the linkage groove, a slide rail is fixedly connected to the bottom of the inner wall of the linkage groove, a pressing plate is slidably connected to the outer wall of the slide rail, a driving groove is disposed on one side of the pressing plate, and the driving groove is adapted to the driving column.

[0011] This fixing component allows for easy replacement of the pipette body.

[0012] Preferably, the snap-fit ​​assembly includes: a fixing plate disposed at the bottom of the connecting post; the top of the fixing plate is fixedly connected to the bottom of the connecting post; a connecting plate is fixedly connected to one side of the fixing plate; a sliding groove is provided on one side of the connecting plate; a slider is disposed in the sliding groove; and a movable plate is fixedly connected to one side of the slider.

[0013] Preferably, a second reset spring is fixedly connected to one side of the movable plate, and a limit block is fixedly connected to the other side of the movable plate. One section of the second reset spring is fixedly connected to the outer wall of the fixed plate, and the limit block is adapted to the limit opening.

[0014] This snap-fit ​​component effectively secures the components during operation.

[0015] This invention provides a pipette ejection device for a pipetting workstation. It has the following advantages: (1) This utility model allows the snap-fit ​​assembly to be disassembled and the rotating block to be rotated. The rotation of the rotating block drives the eccentric wheel to rotate through the rotating column. The rotation of the eccentric wheel stops squeezing the moving block. At this time, the reset spring drives the moving block to move. The movement of the moving block drives the squeezing plate to move through the driving column, so that the squeezing plate stops squeezing the insert. At this time, the pipette body can be taken out for replacement, thereby achieving the effect of convenient replacement of the pipette body.

[0016] (2) By pressing the movable plates on both sides, the movable plates move and drive the slider and the limiting block to move, so that the limiting block moves away from the limiting port. At this time, the pipette body is no longer fixed to the connecting column. At this time, the fixing component can be driven to replace the pipette body, thereby achieving the effect of facilitating the operation of the fixing component. Attached Figure Description

[0017] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a schematic diagram of the cross-sectional structure of the connecting column of this utility model; Figure 3 This utility model Figure 2 A magnified view of A in the middle; Figure 4 This utility model Figure 2 A magnified view of B in the middle.

[0018] In the diagram: 1. Base plate, 2. Support column, 3. Top plate, 4. Connecting container, 5. Connecting column, 6. Fixing assembly, 611. Pipette body, 612. Insert block, 613. Rotating column, 614. Rotating block, 615. Eccentric wheel, 616. Return spring one, 617. Moving block, 618. Drive column, 619. Slide rail, 6110. Squeezing plate, 7. Snap-fit ​​assembly, 711. Fixing plate, 712. Connecting plate, 713. Slider, 714. Movable plate, 715. Return spring two, 716. Limiting block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0021] Example 1: Addressing the current problem of operational inconvenience due to the lack of a pipette ejection device, this invention provides a preferred embodiment of a pipette ejection device for a pipetting workstation, for example... Figure 1-4 As shown: A pipette ejection device for a pipetting workstation includes a base plate 1; a support column 2 disposed on top of the base plate 1; a top plate 3 disposed on top of the base plate 1; a connecting container 4 disposed on the bottom of the top plate 3; a connecting column 5 disposed on the bottom of the connecting container 4, the connecting column 5 having a movable groove inside, and the movable groove having a movable opening inside; a fixing component 6 disposed in the movable groove of the connecting column 5; and a snap-fit ​​component 7 disposed on the bottom of the connecting column 5.

[0022] The top of the base plate 1 is fixedly connected to the bottom of the support column 2, the top of the support column 2 is fixedly connected to the bottom of the top plate 3, the bottom of the top plate 3 is fixedly connected to the top of the connecting container 4, and the bottom of the connecting container 4 is connected to the top of the connecting column 5.

[0023] The fixing component 6 includes: a pipette body 611, which is disposed at the bottom of the connecting post 5. A movable port 2 is provided on one side of the pipette body 611, and a limit port is provided on the inner wall of the movable port 2; the top of the pipette body 611 is connected to the bottom of the connecting post 5, and an insert 612 is fixedly connected to the top of the pipette body 611. The insert 612 is adapted to the movable port 1.

[0024] The fixing component 6 includes: a rotating column 613, which is disposed in the movable groove opened in the connecting column 5; one side of the rotating column 613 is rotatably connected to the inner wall of the movable groove, and a rotating block 614 is fixedly connected to the other side of the rotating column 613; an eccentric wheel 615 is fixedly sleeved on the outer wall of the rotating column 613; and the other side of the rotating column 613 penetrates the inner wall of the movable groove and extends to the outside, where it is fixedly connected to one side of the rotating block 614.

[0025] The fixed component 6 includes: a return spring 616, which is disposed at the bottom of the inner wall of the movable groove; a moving block 617, which is disposed in the movable groove opened in the connecting column 5, the bottom of the moving block 617 is provided with a buffer groove, and one side of the moving block 617 is provided with a linkage groove; one end of the return spring 616 is fixedly connected to the bottom of the inner wall of the movable groove, the other end of the return spring 616 is fixedly connected to the inner wall of the buffer groove, the other side of the moving block 617 is slidably connected to the inner wall of the movable groove, a drive column 618 is fixedly connected to the inner wall of the linkage groove, a slide rail 619 is fixedly connected to the bottom of the inner wall of the linkage groove, a pressing plate 6110 is slidably connected to the outer wall of the slide rail 619, and a drive groove is opened on one side of the pressing plate 6110, which is adapted to the drive column 618.

[0026] Furthermore, in this embodiment, by disengaging the snap-fit ​​assembly 7 and then rotating the rotating block 614, the rotation of the rotating block 614 drives the eccentric wheel 615 to rotate via the rotating column 613. The rotation of the eccentric wheel 615 stops squeezing the moving block 617. At this time, the reset spring 616 drives the moving block 617 to move. The movement of the moving block 617 drives the squeezing plate 6110 to move via the drive column 618, so that the squeezing plate 6110 stops squeezing the insert 612. At this time, the pipette body 611 can be removed for replacement, thereby achieving the effect of convenient replacement of the pipette body 611.

[0027] Example 2: Based on Embodiment 1, a preferred embodiment of the pipette ejection device for a pipetting workstation provided by this utility model is, for example... Figure 1-4 As shown: the snap-fit ​​assembly 7 includes: a fixing plate 711, which is disposed at the bottom of the connecting post 5; the top of the fixing plate 711 is fixedly connected to the bottom of the connecting post 5; a connecting plate 712 is fixedly connected to one side of the fixing plate 711; a sliding groove is provided on one side of the connecting plate 712; a slider 713 is disposed in the sliding groove; and a movable plate 714 is fixedly connected to one side of the slider 713.

[0028] A reset spring 715 is fixedly connected to one side of the movable plate 714, and a limit block 716 is fixedly connected to the other side of the movable plate 714. One end of the reset spring 715 is fixedly connected to the outer wall of the fixed plate 711, and the limit block 716 is adapted to the limit port.

[0029] Furthermore, in this embodiment, by pressing the movable plates 714 on both sides, the movable plates 714 move and drive the slider 713 and the limiting block 716 to move, so that the limiting block 716 moves away from the limiting port. At this time, the pipette body 611 is no longer locked to the connecting post 5. At this time, the fixing component 6 can be driven to replace the pipette body 611, thereby achieving the effect of facilitating the operation of the fixing component 6.

[0030] In use, by pressing the movable plates 714 on both sides, the movable plates 714 move, driving the slider 713 and the limiting block 716 to move, so that the limiting block 716 moves away from the limiting port. At this time, the pipette body 611 is no longer locked to the connecting post 5. Then, rotate the rotating block 614. The rotation of the rotating block 614 drives the eccentric wheel 615 to rotate through the rotating post 613. The rotation of the eccentric wheel 615 no longer squeezes the moving block 617. At this time, the return spring 616 drives the moving block 617 to move. The movement of the moving block 617 drives the squeezing plate 6110 to move through the drive post 618, so that the squeezing plate 6110 no longer squeezes the insert 612. At this time, the pipette body 611 can be taken out for replacement, thus facilitating the replacement of the pipette body 611.

[0031] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pipette ejection device for a pipetting workstation, characterized in that, Includes a base plate (1); Support column (2) is set on top of base plate (1); Top plate (3) is set on top of bottom plate (1); Connect the container (4) and set it at the bottom of the top plate (3); A connecting column (5) is provided at the bottom of the connecting container (4). The connecting column (5) has a movable groove inside, and the movable groove has a movable opening inside. The fixing component (6) is set in the movable slot opened in the connecting column (5); The snap-fit ​​component (7) is located at the bottom of the connecting post (5).

2. The pipette ejection device of a pipetting workstation according to claim 1, characterized in that: The top of the base plate (1) is fixedly connected to the bottom of the support column (2), the top of the support column (2) is fixedly connected to the bottom of the top plate (3), the bottom of the top plate (3) is fixedly connected to the top of the connecting container (4), and the bottom of the connecting container (4) is connected to the top of the connecting column (5).

3. The pipette ejection device of a pipetting workstation according to claim 1, characterized in that: The fixing component (6) includes: The pipette body (611) is located at the bottom of the connecting column (5). A movable port 2 is provided on one side of the pipette body (611), and a limit port is provided on the inner wall of the movable port 2. The top of the pipette body (611) is connected to the bottom of the connecting post (5), and a plug (612) is fixedly connected to the top of the pipette body (611), and the plug (612) is adapted to the movable port.

4. The pipette ejection device of a pipetting workstation according to claim 1, characterized in that: The fixing component (6) includes: The rotating column (613) is set in the movable groove opened in the connecting column (5); One side of the rotating column (613) is rotatably connected to the inner wall of the movable groove, and the other side of the rotating column (613) is fixedly connected to a rotating block (614). An eccentric wheel (615) is fixedly sleeved on the outer wall of the rotating column (613). The other side of the rotating column (613) penetrates the inner wall of the movable groove and extends to the outside, where it is fixedly connected to one side of the rotating block (614).

5. The pipette ejection device of a pipetting workstation according to claim 1, characterized in that: The fixing component (6) includes: The reset spring 1 (616) is set at the bottom of the inner wall of the movable groove; The movable block (617) is set in the movable slot opened in the connecting column (5). The bottom of the movable block (617) is provided with a buffer slot, and one side of the movable block (617) is provided with a linkage slot. One end of the reset spring (616) is fixedly connected to the bottom of the inner wall of the movable groove, and the other end of the reset spring (616) is fixedly connected to the inner wall of the buffer groove. The other side of the moving block (617) is slidably connected to the inner wall of the movable groove. A drive column (618) is fixedly connected to the inner wall of the linkage groove. A slide rail (619) is fixedly connected to the bottom of the inner wall of the linkage groove. A pressing plate (6110) is slidably connected to the outer wall of the slide rail (619). A drive groove is opened on one side of the pressing plate (6110), and the drive groove is adapted to the drive column (618).

6. The pipette ejection device of a pipetting workstation according to claim 1, characterized in that: The snap-fit ​​assembly (7) includes: A fixing plate (711) is installed at the bottom of the connecting column (5); The top of the fixed plate (711) is fixedly connected to the bottom of the connecting column (5). A connecting plate (712) is fixedly connected to one side of the fixed plate (711). A sliding groove is provided on one side of the connecting plate (712). A slider (713) is provided in the sliding groove. A movable plate (714) is fixedly connected to one side of the slider (713).

7. The pipette ejection device of a pipetting workstation according to claim 6, characterized in that: A second reset spring (715) is fixedly connected to one side of the movable plate (714), and a limit block (716) is fixedly connected to the other side of the movable plate (714). One section of the second reset spring (715) is fixedly connected to the outer wall of the fixed plate (711), and the limit block (716) is adapted to the limit port.

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