CN215783462U

CN215783462U - Semi-automatic 96-channel liquid-transfering device

Info

Publication number: CN215783462U
Application number: CN202122374751.8U
Authority: CN
Inventors: 郭燕
Original assignee: Changzhou Guangyuye Electromechanical Co ltd
Current assignee: Changzhou Guangyuye Electromechanical Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-11
Anticipated expiration: 2031-09-29

Abstract

The utility model belongs to the technical field of liquid transfer devices, and particularly relates to a semi-automatic 96-channel liquid transfer device, which provides a scheme that the device comprises a support, a connecting plate arranged in the support and a liquid transfer mechanism arranged on the support, wherein the liquid transfer mechanism comprises a first lifting assembly, a limiting assembly, a second lifting assembly, a liquid suction assembly and a sample table; the first lifting assembly is arranged on the connecting plate and comprises a first sliding rail, a screw rod, a first sliding plate and a first motor. According to the utility model, the push plate, the push rod, the cavity tube and the suction tube are arranged, the screw rod stepping motor is started to drive the push plate to slide downwards along the second slide rail through the second slide plate, so that the push rod extends into the cavity tube, when the push rod ascends, liquid in the sample platform is sucked out through the suction tube, and the liquid in the suction tube is discharged into a new sample platform to complete the liquid transfer work, so that multiple groups of liquid transfer can be conveniently carried out simultaneously, and the working efficiency is improved.

Description

Semi-automatic 96-channel liquid-transfering device

Technical Field

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

Background

With the development of science and technology, the medical technology level is also remarkably improved. In medical experiments, it is necessary to mix one solution with another or to transfer one solution to a specific location, during which pipetting using a pipetting device is required.

In the present prior art, people adopt the single channel to move the liquid device and move the liquid, and this kind of structure moves liquid efficiency extremely low, and is consuming time longer, for this needs semi-automatic 96 passageways to move the liquid device.

SUMMERY OF THE UTILITY MODEL

The semi-automatic 96-channel liquid transfer device provided by the utility model solves the problems in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a semi-automatic 96-channel liquid transfer device comprises a support, a connecting plate arranged in the support and a liquid transfer mechanism arranged on the support, wherein the liquid transfer mechanism comprises a first lifting assembly, a limiting assembly, a second lifting assembly, a liquid suction assembly and a sample table;

the first lifting assembly is arranged on the connecting plate and comprises a first slide rail, a screw rod, a first sliding plate and a first motor, the first motor is connected with the first sliding plate through the screw rod, the first sliding plate is connected with the first slide rail in a sliding manner, and the first motor can drive the screw rod to drive the first sliding plate to slide up and down along the first slide rail;

the limiting assembly is arranged on one side of the first lifting assembly and comprises an arrangement plate, a frame and a connecting shaft rod, and the frame is connected with the arrangement plate through the connecting shaft rod;

the second lifting assembly is arranged on the limiting assembly and comprises a second sliding rail, a lead screw stepping motor, a push plate and a second sliding plate, the push plate is connected with the output end of the lead screw stepping motor in a sliding mode along the second sliding rail through the second sliding plate, the push plate is fixedly connected with the output end of the lead screw stepping motor, and the lead screw stepping motor can drive the push plate to move up and down;

the liquid suction assembly is arranged on the lower side of the second lifting assembly and comprises a push rod, a cavity tube, a suction tube, a rubber ring, a spring and a connector, one end of the push rod is embedded into the cavity tube, the push rod and the cavity tube are sealed through the rubber ring, the rubber ring is stably fixed between the push rod and the cavity tube through the spring, and one end of the cavity tube is connected with the suction tube through the connector;

the sample stage is mounted on the bracket.

In order to ensure that the push rod can be smoothly pushed in the cavity tube, the top of the push rod is fixedly connected with the bottom of the push plate.

The frame is fixed to one side of the first slide plate in order to allow the frame to move up and down.

In order to ensure that the liquid can be smoothly sucked into the suction pipe, the central axis of the push rod, the central axis of the cavity pipe and the central axis of the suction pipe are on the same vertical line.

In order to enable the sample table to be stably placed on the support, a groove is formed in the position where the sample table is in contact with the support, the bottom of the sample table is embedded into the groove, and the central point of the sample table and the central point of the screw rod stepping motor are on the same vertical straight line.

In the present invention,

1. by arranging the push plate, the push rod, the cavity tube and the suction tube, the screw rod stepping motor is started to drive the push plate to slide downwards along the second slide rail through the second slide plate, so that the push rod extends into the cavity tube, when the push rod ascends, liquid in the sample platform is sucked out through the suction tube, and the liquid in the suction tube is discharged into a new sample platform to finish the liquid transfer work, so that multiple groups of samples can be conveniently transferred at the same time, and the working efficiency is improved;

2. through setting up rubber circle and spring, seal through the rubber circle between push rod and the chamber pipe, when the push rod rose, can be through the inside liquid suction of straw with the sample platform to the rubber circle can be stabilized to the spring, prevents that the rubber circle from removing from push rod and chamber pipe, thereby can guarantee to keep sealed effect between push rod and the chamber pipe.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a semi-automatic 96-channel pipetting device according to the present invention;

FIG. 2 is a schematic view of a first perspective of the interior of a semi-automatic 96-channel pipetting device rack according to the present invention;

FIG. 3 is a second perspective view of the interior of a semi-automatic 96-channel pipetting device rack according to the present invention;

FIG. 4 is a schematic diagram of a push rod and lumen of a semi-automatic 96-channel pipetting device according to the present invention;

FIG. 5 is a schematic diagram of the semi-automatic 96-channel pipetting device lumen and pipette configuration according to the present invention.

In the figure: 1. a support; 2. a connecting plate; 3. a first slide rail; 4. a screw rod; 5. a first slide plate; 6. a first motor; 7. a second slide rail; 8. a screw rod stepping motor; 9. arranging the plates; 10. pushing the plate; 11. a push rod; 12. a lumen tube; 13. a straw; 14. a second slide plate; 15. a sample stage; 16. a frame; 17. a rubber ring; 18. a spring; 19. a connector; 20. the shaft rod is connected.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, a semi-automatic 96-channel pipetting device comprises a support 1, a connecting plate 2 arranged inside the support 1 and a pipetting mechanism arranged on the support 1, wherein the pipetting mechanism comprises a first lifting assembly, a limiting assembly, a second lifting assembly, a pipetting assembly and a sample table 15;

the first lifting assembly is arranged on the connecting plate 2 and comprises a first slide rail 3, a screw rod 4, a first sliding plate 5 and a first motor 6, the first motor 6 is connected with the first sliding plate 5 through the screw rod 4, the first sliding plate 5 is connected with the first slide rail 3 in a sliding manner, and the first motor 6 can drive the screw rod 4 to drive the first sliding plate 5 to slide up and down along the first slide rail 3;

the limiting assembly is arranged on one side of the first lifting assembly and comprises an arrangement plate 9, a frame 16 and a connecting shaft rod 20, and the frame 16 is connected with the arrangement plate 9 through the connecting shaft rod 20;

the second lifting assembly is arranged on the limiting assembly and comprises a second slide rail 7, a screw rod stepping motor 8, a push plate 10 and a second slide plate 14, the push plate 10 is connected with the second slide rail 7 in a sliding mode through the second slide plate 14, the push plate 10 is fixedly connected with the output end of the screw rod stepping motor 8, and the screw rod stepping motor 8 can drive the push plate 10 to move up and down;

the liquid suction assembly is arranged at the lower side of the second lifting assembly and comprises a push rod 11, a cavity pipe 12, a suction pipe 13, a rubber ring 17, a spring 18 and a connector 19, one end of the push rod 11 is embedded into the cavity pipe 12, the push rod 11 and the cavity pipe 12 are sealed through the rubber ring 17, the rubber ring 17 is firmly fixed between the push rod 11 and the cavity pipe 12 through the spring 18, one end of the cavity pipe 12 is connected with the suction pipe 13 through the connector 19, and the connector 19 is hollow;

the sample stage 15 is mounted on the carriage 1.

The top of the push rod 11 is fixedly connected with the bottom of the push plate 10, and the push rods 11 are uniformly distributed at the bottom of the push plate 10.

The frame 16 is fixed on one side of the first sliding plate 5, and the frame 16 and the first sliding plate 5 are fixed by welding.

The central axis of the push rod 11, the central axis of the cavity tube 12 and the central axis of the suction tube 13 are on the same vertical line, so that the suction tube 13 can suck liquid smoothly.

A groove is formed in the position, where the sample platform 15 is in contact with the support 1, the bottom of the sample platform 15 is embedded into the groove, the central point of the sample platform 15 and the central point of the screw rod stepping motor 8 are on the same vertical straight line, and the bottom contour of the sample platform 15 is matched with the inner contour of the groove.

The working principle is as follows: when the liquid sucking assembly is used, firstly, the screw rod stepping motor 8 is started to drive the push plate 10 to slide downwards along the second slide rail 7 through the second slide plate 14, the push rod 11 extends into the cavity tube 12, then the sample platform 15 is placed at a corresponding position of the support 1, when liquid is to be pipetted, the first motor 6 is started to drive the first slide plate 5 to slide to a proper position on the first slide rail 3, the suction tube 13 is inserted into the sample platform 15 needing to be pipetted, at the moment, the screw rod stepping motor 8 is started again to drive the second slide plate 14 to slide upwards along the second slide rail 7, the space between the push rod 11 and the cavity tube 12 is sealed through the rubber ring 17, when the push rod 11 rises, liquid inside the sample platform 15 can be sucked out through the suction tube 13, then a new sample platform 15 is replaced, the liquid sucking assembly is operated reversely, and liquid in the suction tube 13 is discharged into the new sample platform 15, and therefore the liquid sucking assembly is completed.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a semi-automatic 96 passageway liquid-transfering device, includes support (1), sets up connecting plate (2) inside support (1) and sets up the liquid-transfering mechanism on support (1), its characterized in that: the liquid transfer mechanism comprises a first lifting component, a limiting component, a second lifting component, a liquid suction component and a sample table (15);

the first lifting assembly is arranged on the connecting plate (2), the first lifting assembly comprises a first sliding rail (3), a screw rod (4), a first sliding plate (5) and a first motor (6), the first motor (6) is connected with the first sliding plate (5) through the screw rod (4), the first sliding plate (5) is connected with the first sliding rail (3) in a sliding mode, and the first motor (6) can drive the screw rod (4) to drive the first sliding plate (5) to slide up and down along the first sliding rail (3);

the limiting assembly is arranged on one side of the first lifting assembly and comprises an arrangement plate (9), a frame (16) and a connecting shaft rod (20), and the frame (16) is connected with the arrangement plate (9) through the connecting shaft rod (20);

the second lifting assembly is arranged on the limiting assembly and comprises a second sliding rail (7), a screw rod stepping motor (8), a push plate (10) and a second sliding plate (14), the push plate (10) is connected with the second sliding rail (7) in a sliding mode through the second sliding plate (14), the push plate (10) is fixedly connected with the output end of the screw rod stepping motor (8), and the screw rod stepping motor (8) can drive the push plate (10) to move up and down;

the liquid suction assembly is arranged on the lower side of the second lifting assembly and comprises a push rod (11), a cavity tube (12), a suction tube (13), a rubber ring (17), a spring (18) and a connector (19), one end of the push rod (11) is embedded into the cavity tube (12), the push rod (11) and the cavity tube (12) are sealed through the rubber ring (17), the rubber ring (17) is fixedly connected between the push rod (11) and the cavity tube (12) through the spring (18), and one end of the cavity tube (12) is connected with the suction tube (13) through the connector (19);

the sample table (15) is arranged on the bracket (1).

2. The semi-automatic 96-channel pipetting device of claim 1, wherein: the top of the push rod (11) is fixedly connected with the bottom of the push plate (10).

3. The semi-automatic 96-channel pipetting device of claim 1, wherein: the frame (16) is fixed on one side of the first sliding plate (5).

4. The semi-automatic 96-channel pipetting device of claim 1, wherein: the central axis of the push rod (11), the central axis of the cavity tube (12) and the central axis of the suction tube (13) are on the same vertical line.

5. The semi-automatic 96-channel pipetting device of claim 1, wherein: a groove is formed in the position where the sample table (15) is in contact with the support (1), the bottom of the sample table (15) is embedded into the groove, and the central point of the sample table (15) and the central point of the screw rod stepping motor (8) are on the same vertical straight line.