Semi-automatic 96-channel pipetting device

Abstract

The utility model discloses a semi-automatic 96-channel pipetting device, which relates to the technical field of pipetting devices and comprises a support table and a pipetting device body, the pipetting device body is arranged on the support table, a placing frame is mounted on the support table, a fixing plate is mounted on one side of the support table, a pull rod is slidably connected onto the fixing plate, and the pull rod is slidably connected onto the support table. A connecting block is installed at one end of the pull rod, a fixing rod is installed at the top end of the connecting block, a push rod is installed on one side of the fixing rod, and by arranging the pull rod, the partition plate, the connecting block, the fixing rod and the push rod, the pull rod is pulled, the pull rod slides in the fixing plate and drives the connecting block to slide together, and the fixing rod on the connecting block and the push rod slide together; the push rod pushes the pipetting plates stored in the placing frame, the pipetting plates are stacked in the placing frame, the pipetting plates are convenient to move, meanwhile, the pipetting plates are limited in the placing frame, the pull rod is reset and moves through the elastic force of the spring when the pull rod is loosened, and the baffle plate limits the pull rod on one side of the fixed plate.

Description

Technical Field

[0001] The utility model relates to the technical field of pipetting devices, in particular to a semi-automatic 96-channel pipetting device. Background Technique

[0002] In medical experiments, it is necessary to mix one solution with another solution or transfer one solution to a specific position. In this process, a pipetting device is required for pipetting. The demand for automated pipetting is extremely common, and the pipetting workstation plays an important role in it. The 96-channel pipetting workstation has advantages such as improving experimental efficiency and reducing manual operation errors.

[0003] When pipetting with a semi-automatic 96-channel pipetting device, the operator needs to use both hands to operate, pick up, place and fix the pipette plate. When manually placing it, the position of the pipette plate is prone to deviation and skew, which is inconvenient for placement. Therefore, a semi-automatic 96-channel pipetting device is proposed. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a semi-automatic 96-channel pipetting device, which solves the problems raised in the above background technique.

[0005] To achieve the above purposes, the utility model is realized through the following technical solutions: A semi-automatic 96-channel pipetting device includes a support table and a pipetting device main body. The pipetting device main body is arranged on the support table. A placement frame is installed on the support table. A fixing plate is installed on one side of the support table. A pull rod is slidably connected to the fixing plate. One end of the pull rod is installed with a connecting block. A fixing rod is installed at the top end of the connecting block. A push rod is installed on one side of the fixing rod.

[0006] As a further technical solution of the utility model, a through groove adapted to the push rod is provided at one end of the placement frame. A spring is sleeved on the pull rod, and a baffle is installed at the other end of the pull rod. The baffle abuts against one side of the fixing plate.

[0007] As a further technical solution of the utility model, one end of the spring abuts against the other side of the fixing plate, and the other end of the spring abuts against the connecting block. Shielding strips are symmetrically installed on the placement frame, and a partition plate is installed at the middle position of the placement frame.

[0008] As a further technical solution of the utility model, a support rod is installed on the back of the support table. A first electric slide rail is installed at the top end of the support rod. A second electric slide rail is arranged on the first electric slide rail. The pipetting device main body is arranged on the second electric slide rail.

[0009] As a further technical solution of the present utility model, an operation panel is installed on one side of the pipetting device main body, a pipette tube is arranged at the bottom of the pipetting device main body, a liquid tube placement rack is arranged at the top of the support platform on one side of the placement frame, and a liquid sample plate is arranged on the front of the liquid tube placement rack at the top of the support platform.

[0010] As a further technical solution of the present utility model, a pipetting plate is arranged inside the placement frame, and a through port adapted to the pipetting plate is arranged at the bottom of the partition plate.

[0011] The present utility model provides a semi-automatic 96-channel pipetting device, which has the following

[0012] beneficial effects compared with the prior art:

[0013] 1. For the semi-automatic 96-channel pipetting device of this design, by setting the pull rod, partition plate, connecting block, fixed rod and push rod, when pulling the pull rod, the pull rod slides in the fixed plate, driving the connecting block to slide together, and the fixed rod and push rod on the connecting block slide together. The push rod pushes the pipetting plate stored inside the placement frame, and the pipetting plates are stacked inside the placement frame, which facilitates the movement of the pipetting plates and at the same time limits the pipetting plates inside the placement frame.

[0014] 2. For the semi-automatic 96-channel pipetting device of this design, by setting the spring and the baffle, when pulling the pull rod, the connecting block compresses the spring, and when releasing the pull, the pull rod moves back to its original position by the elastic force of the spring. The baffle limits the pull rod on one side of the fixed plate to prevent the elastic force of the spring from separating the pull rod from the fixed plate. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of a semi-automatic 96-channel pipetting device;

[0016] Figure 2 It is a side view of the overall structure of a semi-automatic 96-channel pipetting device;

[0017] Figure 3 It is a rear view of the structure of the placement frame of a semi-automatic 96-channel pipetting device.

[0018] In the figure: 1, support platform; 2, pipetting device main body; 3, operation panel; 4, pipette tube; 5, liquid tube placement rack; 6, liquid sample plate; 7, placement frame; 8, partition plate; 9, first electric slide rail; 10, support rod; 11, second electric slide rail; 12, shielding strip; 13, pipetting plate; 14, fixed plate; 15, pull rod; 16, baffle; 17, spring; 18, connecting block; 19, fixed rod; 20, push rod. Detailed Embodiment

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1-3 , the present utility model provides a technical solution for a semi-automatic 96-channel pipetting device, including a support table 1 and a pipetting device main body 2. The pipetting device main body 2 is arranged on the support table 1. A placement frame 7 is installed on the support table 1. A fixing plate 14 is installed on one side of the support table 1, and a pull rod 15 is slidably connected to the fixing plate 14.

[0021] As Figure 2 and Figure 3 shown, a connecting block 18 is installed at one end of the pull rod 15. A fixing rod 19 is installed at the top of the connecting block 18. A push rod 20 is installed on one side of the fixing rod 19. A through groove adapted to the push rod 20 is provided at one end of the placement frame 7. A spring 17 is sleeved on the pull rod 15, and a baffle 16 is installed at the other end of the pull rod 15. The baffle 16 abuts against one side of the fixing plate 14. One end of the spring 17 abuts against the other side of the fixing plate 14, and the other end of the spring 17 abuts against the connecting block 18. Shielding strips 12 are symmetrically installed on the placement frame 7, and a partition plate 8 is installed at the middle position of the placement frame 7. A pipetting plate 13 is arranged inside the placement frame 7. A through port adapted to the pipetting plate 13 is provided at the bottom of the partition plate 8. The pipetting plates 13 are stacked and placed on one side of the placement frame 7, between the partition plate 8 and the shielding strips 12. Pull the pull rod 15, and the pull rod 15 slides on the fixing plate 14, driving the connecting block 18 and the fixing rod 19 to move together. The connecting block 18 compresses the spring 17, and the fixing rod 19 drives the push rod 20 to move. The push rod 20 pushes the pipetting plates 13 inside the placement frame 7 until they abut against the other side of the placement frame 7. The pipetting device main body 2 is controlled to move above the pipetting plates 13 through the control panel 3 for pipetting work.

[0022] As Figure 1 and Figure 3As shown in the figure, a support rod 10 is installed on the back of the support platform 1. The top of the support rod 10 is installed with a first electric slide rail 9. A second electric slide rail 11 is arranged on the first electric slide rail 9. The pipetting device main body 2 is arranged on the second electric slide rail 11. A control panel 3 is installed on one side of the pipetting device main body 2. The control panel 3 is electrically connected to the first electric slide rail 9, the second electric slide rail 11 and the pipetting device main body 2 respectively. The pipetting work of the pipetting device main body 2 is all mature existing technologies and will not be described in detail here. A pipette tube 4 is arranged at the bottom of the pipetting device main body 2. A liquid tube placement rack 5 is arranged at the top of the support platform 1 on one side of the placement frame 7. A liquid sample plate 6 is arranged at the top of the support platform 1 in front of the liquid tube placement rack 5.

[0023] The working principle of the present utility model is as follows: The pipetting device main body 2 moves horizontally through the first electric slide rail 9 and vertically through the second electric slide rail 11. The pipetting plates 13 are stacked on one side of the placement frame 7. When pipetting, the pull rod 15 is pulled. The pull rod 15 slides on the fixed plate 14, driving the connecting block 18 and the fixed rod 19 to move together. The connecting block 18 compresses the spring 17, and the fixed rod 19 drives the push rod 20 to move. The push rod 20 pushes the pipetting plate 13 inside the placement frame 7, pushing it to abut against the other side of the placement frame 7. At the same time, the pipetting plate 13 is tightly pressed inside the placement frame 7 for pipetting. The pull rod 15 is released, and the elastic force of the spring 17 causes the pull rod 15 to reset and move. The pipetting plate 13 falls into the placement frame 7. The pipetting plate 13 that has completed pipetting is taken out of the placement frame 7, and the pull rod 15 is pulled to move the next pipetting plate 13 for pipetting work.

[0024] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model. The structures, devices and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, are implemented according to the conventional means in this field.

Claims

1. A semi-automatic 96-channel liquid transfer device, comprising a support platform (1) and a liquid transfer device body (2), characterized in that: The support platform (1) is provided with a pipetting device body (2), the support platform (1) is installed with a placement frame (7), a fixed plate (14) is installed on one side of the support platform (1), a pull rod (15) is slidably connected to the fixed plate (14), one end of the pull rod (15) is installed with a connecting block (18), the top end of the connecting block (18) is installed with a fixing rod (19), and one side of the fixing rod (19) is installed with a push rod (20).

2. A semi-automatic 96-channel pipetting device according to claim 1, characterized in that: A through slot matched with the push rod (20) is provided at one end of the placement frame (7), a spring (17) is sleeved on the pull rod (15), and a baffle (16) is installed at the other end of the pull rod (15), and the baffle (16) abuts against one side of the fixed plate (14).

3. A semi-automatic 96-channel pipetting device according to claim 2, characterized in that: One end of the spring (17) abuts against the other side of the fixing plate (14), and the other end of the spring (17) abuts against the connecting block (18); shielding strips (12) are symmetrically mounted on the placement frame (7), and a partition plate (8) is mounted at a middle position on the placement frame (7).

4. A semi-automatic 96-channel pipetting device according to claim 1, characterized in that: A support rod (10) is installed on the back of the support platform (1), a first electric slide rail (9) is installed on the top of the support rod (10), a second electric slide rail (11) is arranged on the first electric slide rail (9), and the pipetting device body (2) is arranged on the second electric slide rail (11).

5. A semi-automatic 96-channel pipetting device according to claim 1, characterized in that: A control panel (3) is installed on one side of the pipetting device body (2), a pipette (4) is arranged at the bottom of the pipetting device body (2), a liquid tube placement rack (5) is arranged on one side of the placement frame (7) at the top of the support platform (1), and a liquid sample plate (6) is arranged on the front side of the liquid tube placement rack (5) at the top of the support platform (1).

6. A semi-automatic 96-channel pipetting device according to claim 3, characterized in that: A transfer plate (13) is arranged inside the placement frame (7), and a through opening matched with the transfer plate (13) is arranged at the bottom of the partition plate (8).

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