Sample test tube conveying rack of quantum dot fluorescence immunoassay analyzer

Abstract

The utility model belongs to the technical field of quantum dot fluorescence immunoassay analyzers, and particularly relates to a sample test tube conveying rack of a quantum dot fluorescence immunoassay analyser, which comprises a mounting plate mounted on an analyzer body, a first magnetic plate arranged on the outer side of the mounting plate, a first sliding groove formed in the mounting plate, and a conveying assembly arranged in the first sliding groove, a threaded block is arranged on the conveying assembly, a second sliding groove is formed in the threaded block, an elastic assembly is arranged in the second sliding groove, a connecting block is installed on the elastic assembly, a test tube rack is installed on the connecting block, and a plurality of through holes allowing reagent tubes to enter are formed in the test tube rack; a second magnetic plate and a third magnetic plate which are connected with the connecting block are arranged on the outer side of each through hole, and the positions of the second magnetic plates and the positions of the third magnetic plates correspond to the positions of the first magnetic plates. According to the device, the reagent tube can be vibrated during conveying, a solution in the reagent tube is effectively prevented from precipitating, meanwhile, the cost is low, and subsequent maintenance is facilitated.

Description

Technical Field

[0001] This invention belongs to the technical field of quantum dot fluorescence immunoassay analyzers, specifically relating to a sample tube transport rack for a quantum dot fluorescence immunoassay analyzer. Background Technology

[0002] In today's fields of medical testing and biochemical analysis, quantum dot fluorescence immunoassay analyzers, with their advantages of high sensitivity, high specificity, and rapid detection, have become an indispensable tool in disease diagnosis, drug development, and food safety monitoring. However, in the practical application of this advanced detection technology, the sample tube delivery process has long faced a series of challenges that need to be overcome, significantly impacting the accuracy and efficiency of the test results.

[0003] Traditional sample delivery methods often rely on simple mechanical structures or single power drives, lacking sufficient consideration for the state of the sample solution. During the transport of samples from the storage area to the testing area, the solution within the sample tube remains relatively static for extended periods due to the lack of effective motion intervention. This causes the solute to gradually settle under gravity, forming a precipitate at the bottom of the tube. This precipitation not only alters the uniformity of solute distribution in the solution, but more seriously, it may prevent the obtained sample from accurately reflecting the true composition of the solution during sample extraction and testing, thus significantly impacting the accuracy and reliability of the test results.

[0004] Faced with increasing testing demands, especially in scenarios requiring batch sample testing, existing delivery systems have revealed significant shortcomings. They cannot efficiently and systematically process multiple sample tubes sequentially, resulting in lengthy and inefficient testing processes. Furthermore, because they cannot effectively prevent precipitation of sample solutions during transport, testing personnel typically need to add an extra stirring or shaking step before testing. This not only increases operational complexity and testing time costs but may also further affect the accuracy and repeatability of test results due to inconsistencies and errors in human operation.

[0005] Some devices use additional electrical components, such as robotic arms, to grip and shake reagent tubes. However, this method not only increases the initial investment but also makes subsequent maintenance time-consuming and labor-intensive.

[0006] To address this, we propose a sample tube transport rack for a quantum dot fluorescence immunoassay analyzer. This device vibrates the reagent tubes during transport, effectively preventing precipitation of the internal solution and ensuring good homogeneity of the solution in each tube before extraction. This provides accurate and reliable samples for subsequent detection and analysis, while also being low-cost and easy to maintain. Utility Model Content

[0007] The purpose of this invention is to provide a sample tube transport rack for a quantum dot fluorescence immunoassay analyzer. This device can vibrate the reagent tubes during transport, effectively preventing precipitation of the solution inside and ensuring that the solution inside each reagent tube maintains good homogeneity before extraction. This provides accurate and reliable samples for subsequent detection and analysis, while also being low in cost and easy to maintain.

[0008] The specific technical solution adopted in this utility model is as follows:

[0009] A sample tube transport rack for a quantum dot fluorescence immunoassay analyzer includes a mounting plate installed on the analyzer body. A first magnetic plate is disposed on the outer side of the mounting plate. A first groove is formed on the mounting plate, and a transport assembly is disposed inside the first groove. A threaded block is disposed on the transport assembly, and a second groove is formed on the threaded block. An elastic component is disposed inside the second groove, and a connecting block is mounted on the elastic component. A test tube rack is mounted on the connecting block. The test tube rack has multiple through holes for reagent tubes to enter. A second magnetic plate and a third magnetic plate, connected to the connecting block, are disposed on the outer side of each through hole. The positions of the second and third magnetic plates correspond to the positions of the first magnetic plate. The third magnetic plate is disposed on one side of the second magnetic plate, and the second magnetic plate attracts the first magnetic plate while the third magnetic plate repels the first magnetic plate.

[0010] Furthermore, the conveying assembly includes a threaded rod disposed inside the first chute, a threaded block sleeved on the threaded rod, and a stepper motor connected to the threaded rod is disposed on the mounting plate.

[0011] Furthermore, the widths of the first magnetic plate, the second magnetic plate, and the third magnetic plate are the same.

[0012] Furthermore, the elastic component includes a fixed shaft disposed inside the second slide groove, a slider and a spring are sleeved on the fixed shaft, the spring is disposed on both sides of the slider, and the top of the slider is connected to the connecting block.

[0013] Furthermore, the connecting block is provided with a magnetic groove, and the bottom of the test tube rack is provided with a magnetic block, which is attracted to the magnetic groove.

[0014] Furthermore, a sponge layer is provided inside the through hole.

[0015] The technical effects achieved by this utility model are as follows:

[0016] First, place the reagent tubes one by one into the test tube rack through the through holes. Then, securely install the test tube rack onto the connecting block. Next, start the conveying assembly. The conveying assembly begins to operate, driving the threaded block to move along the first groove on the mounting plate. Due to the movement of the threaded block, the connected block and the test tube rack carrying the reagent tubes on the connecting block are also conveyed. In the initial stage of conveying, when the first set of second magnetic plates on the test tube rack gradually moves to the position corresponding to the first magnetic plate on the outside of the mounting plate, a strong attraction is generated due to the mutual attraction between the second magnetic plate and the first magnetic plate. At this time, under the pull of this attraction, the test tube rack, which was originally in a state of equilibrium, is moved. The elastic component is stretched, causing the test tube rack to move a certain distance along the second slide towards the first magnetic plate. As the conveying assembly continues to operate, the first set of second magnetic plates shifts away from the first magnetic plate, and the attraction disappears. However, due to the retraction characteristic of the elastic component, the test tube rack continues to be conveyed forward. Then, when the first set of third magnetic plates moves to the position corresponding to the first magnetic plate, a strong repulsive force is generated due to the mutual repulsion between the third and first magnetic plates. Under the action of this repulsive force, the elastic component is compressed, and the reagent tubes, along with the test tube rack, move a certain distance in the direction opposite to the repulsive force. As the conveying assembly continues to operate, the first set of third magnetic plates shifts away from the first magnetic plate, and the repulsive force... As the magnetic plate disappears, the elastic component rebounds, propelling the test tube rack forward. During this transport, the attractive force between the second and first magnetic plates, and the repulsive force between the third and first magnetic plates, combined with the expansion and contraction of the elastic component, cause the entire test tube rack to vibrate continuously. This continuous vibration effectively prevents precipitation inside the reagent tubes, ensuring the solution remains homogeneous. When the reagent tube is transported to an area without the second and third magnetic plates, the first through-hole is precisely positioned below the extraction device. At this point, the extraction device can smoothly extract the liquid from the reagent tube. After the liquid in the first reagent tube is extracted... The delivery assembly continues to operate stably, pushing the reagent tube inside the second through-hole forward. Subsequently, the second and third magnetic plates on the second through-hole, like the magnetic plates on the first through-hole, correspond sequentially with the first magnetic plate, generating reciprocating attractive and repulsive forces. Under the action of these forces, the reagent tube vibrates due to the expansion and contraction of the elastic component, effectively preventing precipitation of the solution inside. In this manner, the delivery assembly continuously pushes the reagent tubes forward, delivering and vibrating each tube individually, thereby ensuring that the solution inside each reagent tube maintains good homogeneity before extraction, providing accurate and reliable samples for subsequent detection and analysis. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a structural diagram of the back of this utility model;

[0019] Figure 3 This is a top view of the present invention;

[0020] Figure 4 This is an exploded view of the utility model.

[0021] The attached diagram lists the components represented by each number as follows:

[0022] 1. Mounting plate; 2. First magnetic plate; 3. First slide groove; 4. Threaded block; 5. Second slide groove; 6. Connecting block; 7. Test tube rack; 8. Through hole; 9. Second magnetic plate; 10. Third magnetic plate; 11. Threaded rod; 12. Stepper motor; 13. Fixed shaft; 14. Slider; 15. Spring; 16. Magnetic groove; 18. Magnetic block. Detailed Implementation

[0023] To make the purpose and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific implementations of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0024] like Figures 1-4 As shown, the specific technical solution adopted in this utility model is as follows: A sample tube transport rack for a quantum dot fluorescence immunoassay analyzer includes a mounting plate 1 installed on the analyzer body. A first magnetic plate 2 is provided on the outside of the mounting plate 1. A first sliding groove 3 is provided on the mounting plate 1. A transport component is provided inside the first sliding groove 3. A threaded block 4 is provided on the transport component. A second sliding groove 5 is provided on the threaded block 4. An elastic component is provided inside the second sliding groove 5. A connecting block 6 is installed on the elastic component. A test tube rack 7 is installed on the connecting block 6. A plurality of through holes 8 are provided on the test tube rack 7 to allow reagent tubes to enter. A second magnetic plate 9 and a third magnetic plate 10 connected to the connecting block 6 are provided on the outside of each through hole 8. The positions of the second magnetic plate 9 and the third magnetic plate 10 correspond to the positions of the first magnetic plate 2. The third magnetic plate 10 is provided on one side of the second magnetic plate 9. The second magnetic plate 9 is attracted to the first magnetic plate 2, and the third magnetic plate 10 is repelled by the first magnetic plate 2.

[0025] The conveying assembly includes a threaded rod 11 disposed inside the first slide 3, a threaded block 4 sleeved on the threaded rod 11, and a stepper motor 12 connected to the threaded rod 11 disposed on the mounting plate 1. The stepper motor 12 drives the threaded rod 11 to rotate inside the first slide 3, thereby driving the threaded block 4 to convey the test tube rack 7.

[0026] Meanwhile, the widths of the first magnetic plate 2, the second magnetic plate 9, and the third magnetic plate 10 are the same. This arrangement ensures that the attractive force between the second magnetic plate 9 and the first magnetic plate 2, and the repulsive force between the third magnetic plate 10 and the first magnetic plate 2, remain relatively stable and balanced during the conveying process. This contributes to a smoother and more reliable conveying process, reducing vibrations or offsets caused by magnetic imbalances. Furthermore, this arrangement satisfies the distribution of the second magnetic plate 9 and the third magnetic plate 10 outside the first through hole 8, creating areas of repulsive force, attractive force, and no magnetic force, thus allowing for a single vibration.

[0027] The elastic component includes a fixed shaft 13 disposed inside the second slide groove 5. A slider 14 and a spring 15 are sleeved on the fixed shaft 13. Springs 15 are disposed on both sides of the slider 14, and the top of the slider 14 is connected to the connecting block 6. When repulsive and attractive forces are generated, the test tube rack 7 drives the connecting block 6 to make the slider 14 move back and forth on the fixed shaft 13, thereby generating vibration.

[0028] The connecting block 6 has a magnetic groove 16, and the bottom of the test tube rack 7 has a magnetic block 18. The magnetic block 18 attracts the magnetic groove 16. This arrangement allows the magnetic block 18 to enter the magnetic groove 16 and be fixed when the test tube rack 7 is installed.

[0029] The inside of the through hole 8 is equipped with a sponge layer, which can prevent the reagent tube from being damaged by vibration.

[0030] It should be noted that during reagent delivery, the next step is to extract the liquid from inside the reagent tube. Therefore, the setting of the extraction component is existing technology and will not be elaborated on here.

[0031] The working principle of this utility model is as follows: First, reagent tubes are placed one by one into the test tube rack 7 through the through-hole 8. Then, the test tube rack 7 is securely installed on the connecting block 6. Next, the conveying assembly is activated, causing the threaded block 4 to move along the first slide groove 3 on the mounting plate 1. Due to the movement of the threaded block 4, the connecting block 6 and the test tube rack 7 carrying the reagent tubes on the connecting block 6 are also conveyed. In the initial stage of conveying, when the first set of second magnetic plates 9 on the test tube rack 7 gradually moves to the position corresponding to the first magnetic plate 2 on the outside of the mounting plate 1, a strong attraction is generated due to the mutual attraction between the second magnetic plate 9 and the first magnetic plate 2. At this time, under the traction of this attraction, the elastic component that was originally in equilibrium is stretched, causing the test tube rack 7 to move a certain distance along the second slide groove 5 towards the first magnetic plate 2. As the conveying assembly continues to operate, the first set of second magnetic plates 9 and first magnetic plates 2 are misaligned, and the attraction disappears. However, due to the retraction characteristic of the elastic component, the test tube rack 7 continues to be conveyed forward. Then, when the first set of third magnetic plates 10 moves to the position corresponding to the first magnetic plate 2, a strong repulsive force is generated due to the mutual repulsion between the third magnetic plate 10 and the first magnetic plate 2. Under the action of this repulsive force, the elastic component is compressed, and the reagent tubes, along with the test tube rack 7, move a certain distance in the opposite direction to the repulsive force. As the conveying assembly continues to operate, the first set of third magnetic plates 10 and first magnetic plates 2 are misaligned, the repulsive force disappears, and the elastic component rebounds, pushing the test tube rack 7 to continue forward. Thus, during the conveying process, due to the attraction between the second magnetic plate 9 and the first magnetic plate 2, and the repulsive force between the third magnetic plate 10 and the first magnetic plate 2, combined with the expansion and contraction of the elastic component, the entire test tube rack 7 continuously vibrates back and forth. This continuous vibration effectively prevents precipitation of the solution inside the reagent tube, ensuring that the solution remains uniform. When the reagent tube is transported to an area without the second magnetic plate 9 and the third magnetic plate 10, the first through-hole 8 is precisely positioned below the extraction device. At this point, the extraction device can smoothly extract the liquid from the reagent tube. After the liquid in the first reagent tube is extracted, the transport assembly continues to work stably, pushing the reagent tube inside the second through-hole 8 forward. Subsequently, the second magnetic plate 9 and the third magnetic plate 10 on the second through-hole 8, like the magnetic plates on the first through-hole 8, correspond sequentially with the first magnetic plate 2, generating reciprocating attractive and repulsive forces. Under the action of these forces, the elastic component also causes the reagent tube to vibrate through expansion and contraction, effectively preventing precipitation of the solution inside. This process continues, with the transport assembly continuously pushing the reagent tubes forward, transporting and vibrating each reagent tube individually, thus ensuring that the solution inside each reagent tube maintains good uniformity before extraction, providing accurate and reliable samples for subsequent detection and analysis.

[0032] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model shall be implemented according to conventional methods in the art unless otherwise specified or limited.

Claims

1. A sample tube delivery rack for a quantum dot fluorescence immunoassay analyzer, comprising a mounting plate (1) installed on the analyzer body, characterized in that: A first magnetic plate (2) is provided on the outer side of the mounting plate (1). A first sliding groove (3) is provided on the mounting plate (1). A conveying component is provided inside the first sliding groove (3). A threaded block (4) is provided on the conveying component. A second sliding groove (5) is provided on the threaded block (4). An elastic component is provided inside the second sliding groove (5). A connecting block (6) is installed on the elastic component. A test tube rack (7) is installed on the connecting block (6). The test tube rack (7) has multiple openings for reagent tubes to enter. Hole (8), each of the through holes (8) is provided with a second magnetic plate (9) and a third magnetic plate (10) connected to the connecting block (6) on the outside. The positions of the second magnetic plate (9) and the third magnetic plate (10) correspond to the positions of the first magnetic plate (2). The third magnetic plate (10) is provided on one side of the second magnetic plate (9), and the second magnetic plate (9) attracts the first magnetic plate (2), while the third magnetic plate (10) repels the first magnetic plate (2).

2. The sample tube transport rack of a quantum dot fluorescence immunoassay analyzer according to claim 1, characterized in that: The conveying assembly includes a threaded rod (11) disposed inside the first chute (3), a threaded block (4) sleeved on the threaded rod (11), and a stepper motor (12) connected to the threaded rod (11) disposed on the mounting plate (1).

3. The sample tube transport rack of a quantum dot fluorescence immunoassay analyzer according to claim 1, characterized in that: The widths of the first magnetic plate (2), the second magnetic plate (9), and the third magnetic plate (10) are the same.

4. The sample tube transport rack of a quantum dot fluorescence immunoassay analyzer according to claim 1, characterized in that: The elastic component includes a fixed shaft (13) disposed inside the second slide groove (5), a slider (14) and a spring (15) are sleeved on the fixed shaft (13), the spring (15) is disposed on both sides of the slider (14), and the top of the slider (14) is connected to the connecting block (6).

5. The sample tube transport rack of a quantum dot fluorescence immunoassay analyzer according to claim 1, characterized in that: The connecting block (6) is provided with a magnetic groove (16), and the bottom of the test tube rack (7) is provided with a magnetic block (18), which attracts the magnetic groove (16).

6. The sample tube transport rack of a quantum dot fluorescence immunoassay analyzer according to claim 1, characterized in that: A sponge layer is provided inside the through hole (8).

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