Peristaltic pump pipetting device for sample detection

Abstract

The utility model provides a peristaltic pump pipetting device for sample detection, which belongs to the field of sample detection devices and comprises a peristaltic pump, a quantitative loop, a filling head, a lifting mechanism and a conveying belt, the lifting mechanism is arranged on one side of the peristaltic pump, a pipette is arranged on the peristaltic pump, one end of the pipette is connected with the quantitative loop, and the other end of the pipette is connected with the conveying belt. The other end of the pipette is connected with the upper end of the filling head, the filling head is arranged on the lifting mechanism, the conveying belt is arranged on one side of the peristaltic pump, and the conveying belt is arranged below the filling head. The quantitative ring is arranged, so that the quantification of a collected liquid sample can be accurately controlled, the quantification is accurate, and the precision is high; the peristaltic pump is arranged to automatically transfer liquid into the test tube through the pipette, so that the operation is simple and convenient, and the pipetting efficiency is high; the peristaltic pump is adopted for sample injection and the quantitative ring is adopted for sampling, quantification is accurate, precision is high, workers can be prevented from making direct contact with harmful samples by automatically moving the samples into the test tubes, the body health of the workers is maintained, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the field of sample detection devices, in particular to a peristaltic pump pipetting device for sample detection. Background Art

[0002] In the liquid sample detection in laboratories, most are measured and poured manually, with low filling efficiency. The reliability of the experimental results is directly affected because the pouring amount cannot be mastered. During the manual operation process, it is also very difficult to control the contact risk of the experimenter and maintain a sterile environment. Precise sample dispensing plays a very important supporting role in ensuring the experimental results. Sometimes, when the liquid sample filling volume is large, manual filling is time-consuming and laborious. With the increase in the liquid sample volume and the increasing requirements for precise quantification and automation of liquid samples, therefore, a peristaltic pump pipetting device for sample detection is needed. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a peristaltic pump pipetting device for sample detection, so as to solve the technical problem of inaccurate quantification of manually filled liquid samples.

[0004] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0005] A peristaltic pump pipetting device for sample detection includes a peristaltic pump, a metering loop, a filling head, a lifting mechanism and a conveyor belt. The lifting mechanism is arranged on one side of the peristaltic pump. A pipette tube is arranged on the peristaltic pump. One end of the pipette tube is connected to one end of the metering loop, and the other end of the pipette tube is connected to a liquid storage tank. The filling head is arranged on the lifting mechanism, and the upper end of the filling head is connected to the other end of the metering loop. The conveyor belt is arranged on one side of the peristaltic pump and is arranged below the filling head.

[0006] Further, the metering loop is hung on the lifting mechanism. One end of the metering loop is communicated with the pipette tube, and the other end of the metering loop is communicated with the filling head. The metering loop is a spiral ring structure.

[0007] Further, a support is arranged on the right side of the peristaltic pump, and the lifting mechanism is arranged on the support.

[0008] Further, the lifting mechanism includes a lifting hydraulic cylinder and a support rod. One end of the lifting hydraulic cylinder is arranged on the support and is connected to the support. The other end of the lifting hydraulic cylinder is connected to one end of the support rod.

[0009] Further, a fixing member is arranged at one end of the support rod and is connected to the support rod. The lower end of the fixing member is connected to the lifting hydraulic cylinder.

[0010] Further, a fixing plate is arranged at the other end of the support rod and is connected to the support rod. The filling head vertically passes through the fixing plate.

[0011] Further, test tubes are arranged on the conveyor belt, and the centers of the test tubes and the filling heads are on the same straight line.

[0012] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0013] By setting a metering ring, the utility model can accurately control the quantification of the collected liquid sample, with accurate quantification and high precision; by setting a peristaltic pump to automatically pipette into the test tube through a pipette, the operation is simple and the pipetting efficiency is high; by using the peristaltic pump for sample introduction and the metering ring for sampling, the quantification is accurate and the precision is high, and automatically moving the sample into the test tube can avoid the staff directly contacting harmful samples, protecting the health of the staff, which is both time-saving and labor-saving. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of the peristaltic pump pipetting device of the utility model.

[0015] In the drawings, 1 - peristaltic pump, 2 - metering ring, 3 - filling head, 4 - conveyor belt, 5 - pipette, 6 - liquid storage tank, 7 - support, 8 - lifting hydraulic cylinder, 9 - support rod, 10 - fixing part, 11 - fixing plate, 12 - test tube. Detailed Embodiments

[0016] To make the purpose, technical solution and advantages of the utility model more clear and understandable, the following preferred embodiments are cited with reference to the drawings to further elaborate on the utility model. However, it should be noted that many details listed in the specification are only for enabling the reader to have a thorough understanding of one or more aspects of the utility model, and these aspects of the utility model can be realized even without these specific details.

[0017] Such as Figure 1As shown in the figure, a peristaltic pump pipetting device for sample detection includes a peristaltic pump 1, a metering loop 2, a filling head 3, a lifting mechanism, and a conveyor belt 4. The lifting mechanism is arranged on one side of the peristaltic pump 1. A pipette 5 is arranged on the peristaltic pump 1. One end of the pipette 5 is connected to one end of the metering loop 2, and the other end of the pipette 5 is connected to a liquid storage tank 6. The liquid storage tank 6 contains the sample to be detected, and the sample is a liquid. The filling head 3 is arranged on the lifting mechanism, and the upper end of the filling head 3 is connected to the other end of the metering loop 2. The conveyor belt 4 is arranged on one side of the peristaltic pump 1 and is arranged below the filling head 3. When the peristaltic pump 1 is started, the sample to be detected in the liquid storage tank 6 is taken out through the pipette 5, enters the metering loop 2 for quantification, and is filled through the filling head 3. The utility model uses the peristaltic pump 1 for sampling and the metering loop 2 for sampling, with accurate quantification and high precision. Automatically moving the sample into the test tube 12 can avoid direct contact between the staff and harmful samples, protect the health of the staff, and does not require manual filling, reducing labor costs.

[0018] In the embodiment of the present utility model, the metering loop 2 is hung on the lifting mechanism. One end of the metering loop 2 is communicated with the pipette 5, and the other end of the metering loop 2 is communicated with the filling head 3. The metering loop 2 is a spiral ring structure. The metering loop 2 quantifies the sample taken out from the liquid storage tank 6 by the pipette 5 and transports the sample to the filling head 3. By setting the metering loop 2, the quantification of the collected liquid sample can be accurately controlled, with accurate quantification and high precision. The metering loop 2 is an existing device, and the specifications and models of the metering loop can be selected according to actual needs.

[0019] In the embodiment of the present utility model, a support 7 is arranged on the right side of the peristaltic pump 1. The lifting mechanism is arranged on the support 7. The support 7 is used to fix and support the lifting mechanism to prevent the lifting mechanism from moving or falling off during operation. The peristaltic pump 1 is set to automatically pipette the sample to be detected in the liquid storage tank 6 into the test tube 12 through the pipette 5, with simple operation and high pipetting efficiency. The peristaltic pump 1 is an existing device, such as an intelligent touch screen peristaltic pump BF100 - 2C, etc., which can be selected according to actual needs.

[0020] In the embodiment of the present utility model, the lifting mechanism includes a lifting hydraulic cylinder 8 and a support rod 9. One end of the lifting hydraulic cylinder 8 is arranged on the support 7 and is connected to the support 7. The other end of the lifting hydraulic cylinder 8 is connected to one end of the support rod 9. The metering loop 2 is hung on the support rod 9. When the lifting hydraulic cylinder 8 stretches, it drives the support rod 9 to rise upward. When the lifting hydraulic cylinder 8 contracts, it drives the support rod 9 to descend downward.

[0021] In an embodiment of the present utility model, a fixing member 10 is provided at one end of the support rod 9, and the fixing member 10 is connected to the support rod 9. The lower end of the fixing member 10 is connected to the lifting hydraulic cylinder 8. The fixing member 10 is used to fixedly connect the lifting hydraulic cylinder 8 and the support rod 9, ensuring that when the lifting hydraulic cylinder 8 expands and contracts, it drives the support rod 9 to rise and fall.

[0022] In an embodiment of the present utility model, a fixing plate 11 is provided at the other end of the support rod 9, and the fixing plate 11 is connected to the support rod 9. The filling head 3 is vertically arranged through the fixing plate 11. The fixing plate 11 is used to fixedly connect the filling head 3 to the support rod 9, ensuring the stability of the filling head 3 during the working process.

[0023] In an embodiment of the present utility model, test tubes 12 are arranged on the conveyor belt 4, and the centers of the test tubes 12 and the filling head 3 are on the same straight line. Several test tubes 12 can be arranged on the conveyor belt 4. The test tubes 12 are transported by the conveyor belt 4, enabling the quantitative filling of a large number of samples. A manipulator can be arranged beside the conveyor belt to sub-pack the filled test tubes into a test tube rack, completing the sub-packaging of a large number of samples. By using a peristaltic pump for sample introduction and a quantitative loop for sampling, the quantification is accurate and highly precise. Automatically transferring the sample into the test tube can prevent the staff from directly contacting harmful samples, safeguarding the health of the staff, and saving both time and effort.

[0024] Working principle

[0025] Start the peristaltic pump 1, take out the sample to be detected in the liquid storage tank 6 through the pipette 5, and transport it to the quantitative loop 2 for quantification. The sample to be detected in the quantitative loop 2 is filled into the test tube 12 through the filling head 3. The filled test tube 12 is transported backward by the conveyor belt 4. At the same time, the conveyor belt 4 transports the empty test tube 12 to the directly below the filling head 3 to continue filling the sample to be detected until all the samples to be detected are filled.

[0026] The above is only the preferred embodiment 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.

Claims

1. A peristaltic pump liquid transfer device for sample detection, characterized in that: The invention comprises a peristaltic pump (1), a quantitative ring (2), a filling head (3), a lifting mechanism and a conveyor belt (4), wherein the lifting mechanism is arranged on one side of the peristaltic pump (1), a pipette (5) is arranged on the peristaltic pump (1), one end of the pipette (5) is connected to one end of the quantitative ring (2), and the other end of the pipette (5) is connected to a liquid storage tank (6), the filling head (3) is arranged on the lifting mechanism, and the upper end of the filling head (3) is connected to the other end of the quantitative ring (2), and the conveyor belt (4) is arranged on one side of the peristaltic pump (1), and the conveyor belt (4) is arranged below the filling head (3).

2. A peristaltic pump liquid transfer device for sample detection according to claim 1, characterized in that: The quantitative ring (2) is hung on the lifting mechanism, one end of the quantitative ring (2) is connected to the pipette (5), and the other end of the quantitative ring (2) is connected to the filling head (3), and the quantitative ring (2) is a spiral ring structure.

3. A peristaltic pump liquid transfer device for sample detection according to claim 1, characterized in that: A support (7) is arranged on the right side of the peristaltic pump (1), and a lifting mechanism is arranged on the support (7).

4. A peristaltic pump liquid transfer device for sample detection according to claim 1, characterized in that: The lifting mechanism comprises a lifting hydraulic cylinder (8) and a support rod (9); one end of the lifting hydraulic cylinder (8) is arranged on a support (7), and the lifting hydraulic cylinder (8) is connected to the support (7); the other end of the lifting hydraulic cylinder (8) is connected to one end of the support rod (9).

5. A peristaltic pump liquid transfer device for sample detection according to claim 4, characterized in that: A fixing member (10) is provided at one end of the support rod (9), and the fixing member (10) is connected to the support rod (9), and the lower end of the fixing member (10) is connected to the lifting hydraulic cylinder (8).

6. A peristaltic pump liquid transfer device for sample detection according to claim 4, characterized in that: A fixing plate (11) is arranged at the other end of the support rod (9), and the fixing plate (11) is connected to the support rod (9), and the filling head (3) is arranged vertically through the fixing plate (11).

7. A peristaltic pump liquid transfer device for sample detection according to claim 1, characterized in that: A test tube (12) is arranged on the conveyor belt (4), and the center of the test tube (12) is in the same straight line as the center of the filling head (3).

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