Pipette rack of pipetting workstation

Abstract

The utility model discloses a pipette rack of a pipette work station, which belongs to the field of pipette racks and comprises a processing track table arranged on the pipette work station in a sliding manner and a pipette rack box lapped on the processing track table, a pipette rack plate is arranged in the pipette rack box, and a pipette is arranged on the pipette rack plate. A plurality of groups of positioning mechanisms are arranged at the lower end of the pipe frame plate, a lapping plate is mounted in the transfer pipette frame box, the pipe frame plate is lapped at the upper end of the lapping plate, and each positioning mechanism comprises an assembly plate arranged at the lower end of the pipe frame plate; the four groups of limiting arc plates are annularly distributed to form a conical ring for wrapping a cylinder, and when pipettes of different specifications are placed, the pipettes can be limited through the matching of the hinge seats, the first springs, the fixing blocks and the limiting arc plates, so that the pipettes are always kept vertical to the pipe grooves in the pipe frame plate, and the pipettes are prevented from being damaged. The pipette rack plate on the pipette rack box can adapt to various types of pipettes, and the compatible effect is more obvious.

Description

Technical Field

[0001] The utility model relates to the technical field of a pipette rack, in particular to a pipette rack of a pipetting workstation. Background Art

[0002] The fully automatic pipetting workstation is an instrument used in the field of biology. A pipette is needed during the experiment. The pipette is a tool used to accurately measure the volume of the liquid removed, and a pipette rack is needed to place the pipette.

[0003] Existing pipette racks have poor compatibility. There are many types of pipettes used in pipetting workstations, and different types of pipettes have different sizes. Due to structural defects, some pipettes are incompatible with some types of pipettes or pipettes, especially for non-standard sizes or specially designed pipetting tools, which requires users to find additional suitable racks.

[0004] Therefore, the utility model provides a pipette rack for a liquid transfer workstation to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model provides a pipette rack of a liquid transfer workstation, aiming to solve the problem of poor compatibility of the existing pipette racks proposed in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipette rack of a pipette workstation, comprising a processing track table slidably arranged on the pipette workstation and a pipette rack box overlapped on the processing track table, wherein a pipette rack plate is arranged inside the pipette rack box;

[0009] The lower end of the tube rack plate is provided with a plurality of positioning mechanisms, and a strap is installed inside the pipette rack box, and the tube rack plate is overlapped on the upper end of the strap;

[0010] The positioning mechanism includes an assembly plate arranged at the lower end of the tube rack plate, a plurality of sets of hinge seats are arranged in a ring shape at the lower end of the assembly plate, and a first spring is installed at the lower end of the hinge seat, the tail end of the first spring is installed on the outside of the fixed block, and a limiting arc plate is installed on the side of the fixed block away from the first spring, and the upper end of the limiting arc plate is hinged to the lower end of the assembly plate; a plurality of sets of tube grooves are provided at the upper end of the tube rack plate, and the tube grooves are mainly used for placing pipettes, and a group of positioning mechanisms is provided under the tube grooves provided on each group of tube rack plates, and four groups of hinge seats, first springs, fixed blocks and limiting arc plates are provided, and are distributed in a ring shape along the center of the assembly plate.

[0011] Preferably, the lower end of the limiting arc plate is provided with a chamfer, and the number of the limiting arc plates is equal to the hinge seat; the chamfer of the limiting arc plate plays a protective role when the pipette is inserted, and the limiting arc plate is made of rubber material to avoid collision with sharp parts.

[0012] Preferably, a limiting column is installed on the upper end of the assembly plate, the limiting column is plugged into the pipe rack plate, and a notch is provided on the limiting column, and a fixing component is provided on the upper end of the pipe rack plate; when the corresponding assembly plate is damaged, it can be disassembled and replaced separately, thereby reducing the subsequent maintenance cost.

[0013] Preferably, the fixing assembly includes a protective box symmetrically arranged at the upper end of the pipe rack plate and a hinged frame arranged between the two protective boxes, and both ends of the hinged frame are hinged with connecting rods; the symmetrical hinged frame simultaneously stretches the connecting rod outward and simultaneously pushes the fixing rod into the interior of the protective box. At this time, the recess opened by the limit column is no longer restricted, and the assembly plate can be separated from the pipe rack plate by manually pulling it downward.

[0014] Preferably, a second spring is provided inside the protective box, a fixing rod is installed at one end of the second spring, the fixing rod is movably connected to the protective box, and the front end of the fixing rod is adapted to the recess provided in the limiting column, and the front end of the connecting rod is connected to one end of the fixing rod close to the limiting column.

[0015] (III) Beneficial effects

[0016] The pipette rack is provided with a plurality of groups of positioning mechanisms at equal intervals at the bottom of the tube rack plate, and each group of positioning mechanisms corresponds to the tube groove on the tube rack plate, and is hinged to the assembly plate by a limiting arc plate, and a cone ring wrapping a cylinder is formed by four groups of limiting arc plates distributed in an annular manner. When placing pipettes of different specifications, the pipette can be limited by the cooperation of the hinge seat, the first spring, the fixing block and the limiting arc plate, so that the pipette always remains perpendicular to the tube groove on the tube rack plate. The tube rack plate on the pipette rack box can adapt to various types of pipettes, and the compatibility effect is more obvious. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a pipette rack of a pipetting workstation;

[0018] Figure 2 This is a schematic diagram of the front view structure of the pipe rack plate;

[0019] Figure 3 It is a schematic diagram of the structure of the pipe rack plate when viewed from above;

[0020] Figure 4 for Figure 3 The enlarged structural diagram at A in the middle;

[0021] Figure 5 for Figure 2 The enlarged structural diagram at B in the middle;

[0022] Figure 6 It is a schematic diagram of the side cross-sectional structure of the protection box.

[0023] In the figure:

[0024] 1. Liquid handling workstation;

[0025] 2. Processing track table;

[0026] 3. Pipette rack box;

[0027] 4. Positioning mechanism;

[0028] 41. pipe rack plate; 42. strap plate; 43. assembly plate; 44. hinge seat; 45. first spring; 46. fixing block; 47. limit arc plate;

[0029] 5. Fix the components;

[0030] 51. Articulated frame; 52. Connecting rod; 53. Limiting column; 54. Protective box; 55. Fixing rod; 56. Second spring. DETAILED DESCRIPTION

[0031] 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.

[0032] The utility model provides a pipette rack for a liquid transfer workstation, such as Figure 1-6 As shown, the pipette rack includes a processing track platform 2 slidably arranged on a pipetting workstation 1 and a pipette rack box 3 overlapped on the processing track platform 2, and a pipette rack plate 41 is arranged inside the pipette rack box 3;

[0033] The lower end of the tube rack plate 41 is provided with a plurality of positioning mechanisms 4, and a strap 42 is installed inside the pipette rack box 3, and the tube rack plate 41 is overlapped on the upper end of the strap 42;

[0034] The positioning mechanism 4 includes an assembly plate 43 arranged at the lower end of the pipe rack plate 41, and a plurality of sets of hinge seats 44 are arranged in a ring shape at the lower end of the assembly plate 43, and a first spring 45 is installed at the lower end of the hinge seat 44, and the tail end of the first spring 45 is installed on the outer side of the fixed block 46, and a limiting arc plate 47 is installed on the side of the fixed block 46 away from the first spring 45, and the upper end of the limiting arc plate 47 is hinged to the lower end of the assembly plate 43.

[0035] Specifically, a plurality of tube grooves are provided at the upper end of the tube rack plate 41, which are mainly used to place pipettes, and a group of positioning mechanisms 4 are provided under the tube grooves provided on each group of tube rack plates 41. Four groups of hinged seats 44, first springs 45, fixed blocks 46 and limiting arc plates 47 are provided, and are distributed in a ring shape along the center of the assembly plate 43. The hinged seat 44 is installed under the assembly plate 43. When a large-sized pipette is inserted from the tube groove from top to bottom, the outer wall of the pipette will push the four groups of limiting arc plates 47 outward. At the same time, the limiting arc plates 47 are hinged to the assembly plate 43 so that the limiting arc plates 47 can be rotated and adjusted, and then the first spring 45 is used to apply pressure to the fixed block 46 and the limiting arc plates 47 so that the pipette is clamped and kept in a vertical state, so as to adapt to pipettes of different specifications. When the four groups of limiting arc plates 47 intersect, it is the size of the smallest pipette.

[0036] The lower end of the limiting arc plate 47 is provided with a chamfer, and the number of the limiting arc plates 47 is equal to the number of the hinge seats 44 .

[0037] It should be noted that the chamfer of the limiting arc plate 47 plays a protective role when the pipette is inserted, and the limiting arc plate 47 is made of rubber material, which not only avoids collision with sharp parts, but also uses the rubber material to increase the friction when contacting with the pipette.

[0038] A limiting column 53 is installed on the upper end of the assembly plate 43 . The limiting column 53 is plugged into the pipe rack plate 41 , and a notch is provided on the limiting column 53 . A fixing component 5 is provided on the upper end of the pipe rack plate 41 .

[0039] Furthermore, the limiting columns 53 installed on the upper end of the assembly plate 43 are respectively plugged into the openings on the pipe rack plate 41, so that the limiting columns 53 pass through the pipe rack plate 41, and the recesses provided in the limiting columns 53 are used for later fixing and limiting.

[0040] The fixing assembly 5 includes a protection box 54 symmetrically arranged on the upper end of the pipe rack plate 41 and a hinged frame 51 arranged between the two protection boxes 54, and connecting rods 52 are hinged at both ends of the hinged frame 51. A second spring 56 is arranged inside the protection box 54, and a fixing rod 55 is installed at one end of the second spring 56. The fixing rod 55 is movably connected to the protection box 54, and the front end of the fixing rod 55 is adapted to the recess opened in the limiting column 53, and the front end of the connecting rod 52 is connected to one end of the fixing rod 55 close to the limiting column 53.

[0041] Furthermore, the long rods at both ends of the articulated frame 51 can be hinged, and two articulated frames 51 are symmetrically arranged in the pipe grooves opened on each group of pipe rack plates 41. The connecting rod 52 at the rear end of the articulated frame 51 is connected to the outer side of the fixed rod 55. When the corresponding limiting column 53 needs to be removed, the two groups of articulated frames 51 are manually pushed inward at the same time. At this time, there is no pipette at the pipe groove. The symmetrical articulated frames 51 simultaneously stretch the connecting rod 52 outward and synchronously push the fixed rod 55 into the interior of the protective box 54. At this time, the recess opened by the limiting column 53 is no longer restricted. The assembly plate 43 can be manually pulled down to separate it from the pipe rack plate 41. With this independent disassembly and assembly method, when the corresponding assembly plate 43 is damaged, it can be disassembled and replaced separately, thereby reducing the later maintenance cost.

[0042] When in use, first insert the pipettes needed in the pipette rack box 3 into the tube grooves of the tube rack plate 41 in turn. When pipettes of different specifications are inserted into the tube grooves, the four groups of hinged seats 44, the first springs 45, the fixing blocks 46 and the limiting arc plates 47 cooperate to continue to clamp and position the pipettes, and the pipettes are in a vertical state. After the pipettes in each tube groove are placed, the pipette rack box 3 is placed above the processing track table 2, and the pipetting workstation 1 is started for operation. When the first spring 45 under a single assembly plate 43 is damaged later, the two groups of hinged frames 51 are manually pushed inward at the same time, and at this time there is no pipette at the tube groove, the symmetrical hinged frames 51 simultaneously stretch the connecting rod 52 outward and synchronously push the fixing rod 55 into the interior of the protective box 54, at this time, the recess opened by the limiting column 53 is no longer restricted, and the assembly plate 43 can be manually pulled down to separate it from the tube rack plate 41, and then a new assembly plate 43 can be reinstalled.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pipette rack of a pipette workstation, comprising a processing track platform (2) slidably arranged on the pipette workstation (1) and a pipette rack box (3) overlapped on the processing track platform (2), wherein a pipette rack plate (41) is arranged inside the pipette rack box (3); Features: The lower end of the tube rack plate (41) is provided with a plurality of positioning mechanisms (4), the interior of the pipette rack box (3) is provided with a strapping plate (42), and the tube rack plate (41) is overlapped on the upper end of the strapping plate (42); The positioning mechanism (4) comprises an assembly plate (43) arranged at the lower end of the pipe rack plate (41); a plurality of sets of hinge seats (44) are arranged in a ring shape at the lower end of the assembly plate (43); and a first spring (45) is installed at the lower end of each hinge seat (44); the tail end of the first spring (45) is installed on the outer side of a fixed block (46); a limiting arc plate (47) is installed on a side of the fixed block (46) away from the first spring (45); and the upper end of the limiting arc plate (47) is hinged to the lower end of the assembly plate (43).

2. The pipette rack of the pipetting workstation according to claim 1, characterized in that: The lower end of the limiting arc plate (47) is provided with a chamfer, and the number of the limiting arc plates (47) is equal to the number of the hinge seats (44).

3. The pipette rack of the pipetting workstation according to claim 2, characterized in that: A limiting column (53) is installed at the upper end of the assembly plate (43), the limiting column (53) is plugged into the pipe rack plate (41), and a notch is provided on the limiting column (53), and a fixing assembly (5) is provided at the upper end of the pipe rack plate (41).

4. The pipette rack of the pipetting workstation according to claim 3, characterized in that: The fixing assembly (5) comprises a protection box (54) symmetrically arranged on the upper end of the pipe rack plate (41) and a hinged frame (51) arranged between the two protection boxes (54), and both ends of the hinged frame (51) are hinged with a connecting rod (52).

5. The pipette rack of the pipetting workstation according to claim 4, characterized in that: A second spring (56) is arranged inside the protection box (54), and a fixing rod (55) is installed at one end of the second spring (56). The fixing rod (55) is movably connected to the protection box (54), and the front end of the fixing rod (55) is adapted to the notch provided in the limiting column (53), and the front end of the connecting rod (52) is connected to one end of the fixing rod (55) close to the limiting column (53).

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