Automatic pipetting device

Abstract

The utility model discloses an automatic pipetting device which comprises a support frame, the support frame is square, and a water pump is mounted on the surface of the support frame; a measuring box is fixedly connected to the surface of the supporting frame, a rotating mechanism is arranged in the measuring box, and the rotating mechanism is characterized in that a first pipeline is connected to the surface of the water pump, the other end of the first pipeline is inserted into the measuring box, and a second pipeline is connected to the bottom of the measuring box; the tail end of the second pipeline penetrates through the measuring box and is arranged at the bottom of the supporting frame, and a rotating rod is rotationally installed on the surface of the measuring box. According to the automatic pipetting device, the rotating mechanism is arranged, microorganisms are prevented from entering the pipeline and polluting a reagent, a rack drives a gear to rotate, the gear drives a rotating plate to rotate, a first pipeline and a second pipeline are subjected to cross blocking, the ultraviolet disinfection box disinfects the interior of the measuring box, the microorganisms can be prevented from entering the reagent box, and the device is convenient to use. And the accuracy of experimental results is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of soil preparation and liquid transfer, in particular to an automatic liquid transfer device. Background Art

[0002] Soil preparation refers to the process of mixing, drying, grinding and sieving the soil after it is collected from the field. Fresh soil will have properties related to microbial activity, redox conditions, volatile substances, etc. When the soil is dug out, it has been separated from the original soil environment. After a long period of transportation, it is easy to cause the death of microorganisms in the soil, reduce the number of microorganisms, and affect the survival rate of transplanted seedlings. Therefore, chemical reagents need to be added to the soil to ensure the activity of microorganisms inside the soil. When adding chemical reagents, a pipette device is usually used to transport the chemical reagents. However, when the existing pipette device is used, the microorganisms inside the soil enter the interior of the chemical reagent through the pipe, which may cause contamination to the chemical reagent, resulting in damage to the chemical reagent and reducing the accuracy of the experimental results. Utility Model Content

[0003] The utility model aims to provide an automatic liquid transfer device to solve the problem in the background art that microorganisms in the soil enter the interior of chemical reagents through pipelines, which may pollute the chemical reagents and cause damage to the chemical reagents.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic liquid transfer device, comprising a support frame, the support frame is configured as a square support frame, and a water pump is installed on the surface of the support frame;

[0005] A measuring box is fixedly connected to the surface of the support frame, and a rotating mechanism is arranged inside the measuring box, and the rotating mechanism includes: a pipe 1 is connected to the surface of the water pump, and the other end of the pipe 1 is inserted into the interior of the measuring box, a pipe 2 is connected to the bottom of the measuring box, and the end of the pipe 2 passes through the measuring box and is arranged at the bottom of the support frame, a rotating rod is rotatably installed on the surface of the measuring box, and a gear is installed on the surface of the rotating rod, one end surface of the gear is connected to a rack, and the end of the rack passes through the bottom of the support frame, one end of the rotating rod is inserted into the measuring box and fixedly connected to a rotating plate, and a piston 1 is fixedly connected to a surface of one side of the rotating plate, and a piston 2 is fixedly connected to a surface of the other side of the rotating plate, an ultraviolet disinfection box is installed inside the measuring box, and a measuring transparent plate is embedded in the side wall of the measuring box.

[0006] Preferably, the bottom of the support frame is connected to a drainage structure, and the drainage structure includes: a cylinder is installed at the bottom of the support frame, and the end of the cylinder is fixedly connected to a connecting plate, and the connecting plate is connected to pipeline two, the bottom of the connecting plate is fixedly connected to a spring, and the bottom of the spring is fixedly connected to a pressure plate, and the inside of the pressure plate is symmetrically fixedly connected to a drainage plate.

[0007] By adopting the above technical solution, the drainage structure can prevent the reagent from splashing out when it falls into the interior of the sample box.

[0008] Preferably, the rotating rod is rotatably connected to the measuring box, and the rotating plate is rotatably connected to the measuring box.

[0009] By adopting the above technical solution, the rotating rod drives the rotating plate to rotate inside the measuring box.

[0010] Preferably, the rack is meshingly connected to the gear, and the rack is slidingly connected to the support frame, and the end of the rack is connected to the surface of the connecting plate.

[0011] By adopting the above technical solution, the movement of the rack drives the gear to rotate, and the gear drives the rotating rod to rotate.

[0012] Preferably, the piston one is arranged corresponding to the position of the pipe one, and the end of the piston two is embedded in one side of the pipe two.

[0013] By adopting the above technical solution, piston one blocks pipeline one, and piston two blocks pipeline two.

[0014] Preferably, the surface of the measuring penetrating plate is provided with scales, and the inner bottom surface of the measuring box is provided with a conical plane, and the second pipe is provided at the bottom end of the measuring box.

[0015] By adopting the above technical solution, the added reagent is measured through the measuring penetrating plate to achieve quantitative discharging.

[0016] Preferably, the pressure plate is configured as a hollow structure in the shape of a U-shaped figure, and the guide plate is symmetrically arranged inside the pressure plate, the guide plate is configured as an inclined structure, and the guide plate is arranged corresponding to the position of the pipeline 2.

[0017] By adopting the above technical solution, the pressing plate moves downward so that the end of the pressing plate contacts the top of the sample box. At this time, the reagent flows out of the pipeline 2, falls on the surface of the drainage plate, and moves downward along the surface of the drainage plate.

[0018] Compared with the prior art, the beneficial effects of the utility model are: the automatic liquid transfer device:

[0019] 1. A rotating mechanism is set up to prevent microorganisms from entering the interior of the pipeline and causing contamination to the reagents. The rack drives the gear to rotate, and the gear drives the rotating plate to rotate, and cross-blocks pipeline 1 and pipeline 2 respectively. The ultraviolet disinfection box disinfects the interior of the measuring box, which can prevent microorganisms from entering the interior of the reagent box and improve the accuracy of the experimental results;

[0020] 2. A drainage structure is set up to prevent the reagent from splashing out of the sample box when adding reagent. The cylinder drives the pressure plate to move to the top of the sample box. At this time, the reagent falls from the second pipe onto the surface of the drainage plate and falls into the inside of the reagent box along the drainage plate, preventing the reagent from splashing, reducing the waste of reagent, and preventing the end of the second pipe from being contaminated. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0023] Figure 3 This is a side view of the structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the second installation of the piston of the utility model;

[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the guide plate installation of the utility model;

[0026] Figure 6 This is a schematic diagram of the three-dimensional structure of the second installation of the pipeline of the utility model.

[0027] In the figure: 10, support frame; 20, water pump;

[0028] 30. Measuring box; 301. Pipeline 1; 302. Pipeline 2; 303. Rotating rod; 304. Gear; 305. Rack; 306. Rotating plate; 307. Piston 1; 308. Ultraviolet disinfection box; 309. Measuring transparent plate; 3010. Piston 2;

[0029] 40. Cylinder; 401. Connecting plate; 402. Spring; 403. Pressure plate; 404. Drain plate. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1-6 , the utility model provides a technical solution: an automatic liquid transfer device, comprising;

[0032] Among them, there are support frame 10, water pump 20, measuring box 30, pipe 1 301, pipe 2 302, rotating rod 303, gear 304, rack 305, rotating plate 306, piston 1 307, ultraviolet disinfection box 308, measuring transparent plate 309, piston 2 3010, cylinder 40, connecting plate 401, spring 402, pressure plate 403 and drainage plate 404.

[0033] The automatic liquid transfer device performs staggered blocking of pipeline 1 and pipeline 2 to prevent microorganisms from entering the interior of the pipeline. The specific implementation method is as follows:

[0034] The support frame 10 is configured as a square support frame, and a water pump 20 is installed on the surface of the support frame 10; a measuring box 30 is fixedly connected to the surface of the support frame 10, and a rotating mechanism is arranged inside the measuring box 30, and the rotating mechanism includes: a pipe 1 301 is connected to the surface of the water pump 20, and the other end of the pipe 1 301 is inserted into the interior of the measuring box 30, a pipe 2 302 is connected to the bottom of the measuring box 30, and the end of the pipe 2 302 passes through the measuring box 30 and is arranged at the bottom of the support frame 10, a rotating rod 303 is rotatably installed on the surface of the measuring box 30, and a gear 304 is installed on the surface of the rotating rod 303, a rack 305 is connected to the surface of one end of the gear 304, and the end of the rack 305 passes through the bottom of the support frame 10, one end of the rotating rod 303 is inserted into the measuring box 30 and fixedly connected to a rotating plate 306, and a side surface of the rotating plate 306 A piston 1 307 is fixedly connected, and a piston 2 3010 is fixedly connected to the other side surface of the rotating plate 306. An ultraviolet disinfection box 308 is installed inside the measuring box 30, and a measuring transparent plate 309 is embedded in the side wall of the measuring box 30. The rotating rod 303 is rotatably connected to the measuring box 30, and the rotating plate 306 is rotatably connected to the measuring box 30. The rack 305 is meshed with the gear 304, and the rack 305 is slidably connected to the support frame 10. The end of the rack 305 is connected to the surface of the connecting plate 401, the piston 1 307 is arranged corresponding to the position of the pipe 1 301, the end of the piston 2 3010 is embedded in one side of the pipe 2 302, the surface of the measuring transparent plate 309 is provided with a scale, and the inner bottom surface of the measuring box 30 is provided with a conical plane, and the pipe 2 302 is provided at the bottom of the measuring box 30.

[0035] The water inlet pipe of the water pump 20 is connected to the test kit, such as Figure 2, start the water pump 20, the water pump 20 absorbs the reagent through the downcomer, and delivers the reagent to the inside of the pipe 1 301, and enters the inside of the measuring box 30 through the pipe 1 301. At this time, the reagent falls on the bottom surface of the inside of the measuring box 30. Since the piston 2 3010 blocks the pipe 2 302, the solution can be prevented from entering the inside of the pipe 2 302. At this time, the liquid level of the reagent is observed through the measuring plate 309. When the liquid level of the reagent reaches the appropriate scale of the measuring plate 309, the cylinder 40 is started. When the cylinder 40 moves downward, the cylinder 40 drives the rack 305 to The rack 305 drives the gear 304 to rotate, the gear 304 drives the rotating rod 303 to rotate inside the measuring box 30, the rotating rod 303 drives the rotating plate 306 to rotate, the rotating plate 306 drives the piston 2 3010 to move out from the inside of the pipe 2 302, and the reagent flows out from the inside of the pipe 2 302. The rotating plate 306 drives the piston 1 307 to rotate, so that the piston 1 307 moves to the inside of the pipe 1 301 to block the pipe 1 301. When the reagent is added, the ultraviolet disinfection box 308 is started to disinfect the inside of the measuring box 30. After the limit is completed, the cylinder 40 is started, and the cylinder 40 drives the rack 305 to move upward. The rack 305 drives the rotating rod 303 to rotate in the opposite direction through the gear 304, and the rotating rod 303 drives the rotating plate 306 to rotate. At this time, the rotating plate 306 drives the piston 2 3010 to move to the end of the pipe 2 302 to block the pipe 2 302, and the rotating plate 306 drives the piston 1 307 to move out from the inside of the pipe 1 301.

[0036] The automatic liquid transfer device prevents the reagent from splashing out when adding the reagent and prevents the end of the second pipe 302 from being contaminated. The specific implementation method is as follows:

[0037] The bottom of the support frame 10 is connected to a drainage structure, and the drainage structure includes: a cylinder 40 is installed at the bottom of the support frame 10, and the end of the cylinder 40 is fixedly connected to a connecting plate 401, and the connecting plate 401 is connected to the pipeline 2 302, the bottom of the connecting plate 401 is fixedly connected to a spring 402, and the bottom of the spring 402 is fixedly connected to a pressure plate 403, and the inside of the pressure plate 403 is symmetrically fixedly connected to a drainage plate 404, the pressure plate 403 is set as a U-shaped hollow structure, and the drainage plate 404 is symmetrically set inside the pressure plate 403, the drainage plate 404 is set as an inclined structure, and the drainage plate 404 is set corresponding to the position of the pipeline 2 302.

[0038] The sample box is placed at the bottom of the pressing plate 403, and the cylinder 40 is started. The cylinder 40 drives the connecting plate 401 to move downward, and the connecting plate 401 drives the rack 305 to move downward. Figure 2, the connecting plate 401 moves downward through the spring 402, and the spring 402 drives the pressure plate 403 to move downward. When the end of the pressure plate 403 contacts the surface of the sample box, the tooth block on the surface of the rack 305 moves to one side of the gear 304. At this time, the cylinder 40 continues to drive the connecting plate 401 to move downward. At this time, the connecting plate 401 continues to drive the rack 305 to move downward, so that the rack 305 is meshed with the gear 304, driving the gear 304 to rotate. At this time, the spring 402 is squeezed and contracted. At this time, it is applied to the inside of the pipe 2 302, and falls on the surface of the drain plate 404 through the end of the pipe 2 302, and moves downward along the surface of the drain plate 404, so that the reagent passes through the drain plate 404 and falls into the inside of the sample box to prevent the reagent from splashing.

[0039] Working principle: When using the automatic pipetting device, gear 304, rack 305, rotating plate 306, piston 1 307 and piston 2 3010 are provided to staggeredly block pipe 1 and pipe 2 to prevent microorganisms from entering the interior of the pipe. Spring 402, pressure plate 403 and drainage plate 404 are provided to prevent reagents from splashing out when adding reagents and to prevent contamination of the end of pipe 2 302, thereby increasing the overall practicality.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic liquid transfer device, comprising a support frame (10), wherein the support frame (10) is configured as a square support frame, and a water pump (20) is installed on the surface of the support frame (10); Features: The surface of the support frame (10) is fixedly connected to a measuring box (30), and a rotating mechanism is arranged inside the measuring box (30), and the rotating mechanism comprises: a pipe 1 (301) is connected to the surface of the water pump (20), and the other end of the pipe 1 (301) is inserted into the inside of the measuring box (30), a pipe 2 (302) is connected to the bottom of the measuring box (30), and the end of the pipe 2 (302) passes through the measuring box (30) and is arranged at the bottom of the support frame (10), a rotating rod (303) is rotatably installed on the surface of the measuring box (30), and a gear is installed on the surface of the rotating rod (303). (304), one end surface of the gear (304) is connected to a rack (305), and the end of the rack (305) passes through the bottom of the support frame (10), one end of the rotating rod (303) is inserted into the measuring box (30) and fixedly connected to a rotating plate (306), and one side surface of the rotating plate (306) is fixedly connected to a piston one (307), and the other side surface of the rotating plate (306) is fixedly connected to a piston two (3010), an ultraviolet disinfection box (308) is installed inside the measuring box (30), and a measuring transparent plate (309) is embedded in the side wall of the measuring box (30).

2. An automatic liquid transfer device according to claim 1, characterized in that: The bottom of the support frame (10) is connected to a drainage structure, and the drainage structure comprises: a cylinder (40) is installed at the bottom of the support frame (10), and the end of the cylinder (40) is fixedly connected to a connecting plate (401), and the connecting plate (401) is connected to the second pipeline (302), the bottom of the connecting plate (401) is fixedly connected to a spring (402), and the bottom of the spring (402) is fixedly connected to a pressure plate (403), and the inside of the pressure plate (403) is symmetrically fixedly connected to a drainage plate (404).

3. An automatic liquid transfer device according to claim 1, characterized in that: The rotating rod (303) is rotatably connected to the measuring box (30), and the rotating plate (306) is rotatably connected to the measuring box (30).

4. An automatic liquid transfer device according to claim 2, characterized in that: The rack (305) is meshingly connected to the gear (304), and the rack (305) is slidingly connected to the support frame (10), and the end of the rack (305) is connected to the surface of the connecting plate (401).

5. The automatic liquid transfer device according to claim 1, characterized in that: The piston one (307) is arranged corresponding to the position of the pipe one (301), and the end of the piston two (3010) is embedded in one side of the pipe two (302).

6. An automatic liquid transfer device according to claim 1, characterized in that: The surface of the measuring penetrating plate (309) is provided with scales, and the inner bottom surface of the measuring box (30) is provided with a conical plane, and the second pipe (302) is provided at the bottom end of the measuring box (30).

7. An automatic liquid transfer device according to claim 2, characterized in that: The pressure plate (403) is configured as a hollow structure in the shape of a U-shaped letter "U", and the guide plate (404) is symmetrically arranged inside the pressure plate (403). The guide plate (404) is configured as an inclined structure, and the guide plate (404) is arranged corresponding to the position of the second pipeline (302).

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