Turntable mechanism of fluorescence immunoassay analyzer

Abstract

The utility model relates to the technical field of analyzers, and particularly discloses a turntable mechanism of a fluorescence immunoassay analyzer, which comprises a turntable, a feeding disc is arranged at the upper end of the turntable, a plurality of slots are formed in the side edge of the feeding disc, each slot surrounds the periphery of the axis of the feeding disc, a plurality of detection holes are formed in the upper end of the feeding disc, and each detection hole is communicated with each feeding disc. A plurality of C-shaped sleeves are arranged on the side edge of the feeding disc and fixed to the edges of inlets of the inserting grooves respectively, one end of each C-shaped sleeve is fixedly connected with the feeding disc, and the other end of each C-shaped sleeve is provided with an elastic pin structure used for limiting separation of the reagent cards inserted into the inserting grooves. After the reagent cards are completely pushed into the inserting grooves, the elastic pin structures at the ends, away from the feeding disc, of the C-shaped sleeves can limit the reagent cards from the tails of the reagent cards, no matter how the rotary disc and the feeding disc rotate, the reagent cards can still keep a stable inserting state, and the continuous detection feeding process is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of analyzers, in particular to a turntable mechanism of a fluorescence immunoassay analyzer. Background Art

[0002] Fluorescent immunoassay technology, a commonly used technique in biomedical testing, offers a range of advantages, including high sensitivity, strong specificity, rapid detection, and safety and stability. Fluorescent immunoassay technology can be used to measure very low levels of bioactive compounds, such as proteins (enzymes, receptors, antibodies), hormones (steroids, thyroid hormones, phthalosteroids), drugs, and microorganisms. Currently, fluorescent immunoassay technology has been widely used in infectious disease testing, tumor marker testing, hematology, and cytology testing. Fluorescent immunoassay analyzers require a loading turntable when analyzing reagent cards.

[0003] The more common loading turntable structure mainly includes a base body, a turntable is provided on the upper end of the base body, the turntable can rotate on the upper end of the base body, and multiple clamps are provided on the upper end of the turntable. When performing testing, the reagent card is inserted into the slot opened on the outward side of the clamp. By controlling the rotation of the turntable, continuous loading is achieved. Since the reagent card is assembled by insertion, when the turntable rotates suddenly, under the action of inertia, the loose reagent card will be at risk of being thrown out of the slot. Utility Model Content

[0004] In view of the above problems, the present invention proposes a turntable mechanism for a fluorescent immunoassay analyzer to solve the disadvantage of the existing turntable mechanism that when the turntable suddenly rotates during loading, the loose reagent card may be thrown out of the slot due to inertia.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a turntable mechanism of a fluorescent immunoassay analyzer, comprising a turntable, a loading tray is provided at the upper end of the turntable, and the loading tray is fixedly connected to the turntable;

[0006] The side of the loading tray is provided with a plurality of slots, each of which surrounds the axis of the loading tray. The upper end of the loading tray is provided with a plurality of detection holes, each of which is connected to each loading tray.

[0007] There are multiple C-shaped sleeves on the side of the loading tray, and each C-shaped sleeve is fixed on the edge of each slot entrance. One end of the C-shaped sleeve is fixedly connected to the loading tray, and the other end of the C-shaped sleeve is provided with an elastic pin structure for limiting the detachment of the reagent card inserted in the slot.

[0008] A further improvement is that a base is provided at the lower end of the turntable, the base is rotatably connected to the turntable, and a rotating drive member for controlling the rotation of the turntable is provided at the lower end of the base.

[0009] Further improvements are: the rotating drive component includes a rotating shaft and a worm seat, the upper end of the rotating shaft is fixedly connected to the turntable, the lower end of the rotating shaft is provided with a worm wheel, the rotating shaft passes through the base and is rotatably connected to the base, the worm seat is fixedly connected to the lower end of the base, a worm is provided on the inner side of the base, the worm is engaged with the worm wheel, a worm seat is provided on the outer side of the base, and the output end of the worm seat is fixedly connected to one end of the worm.

[0010] Further improvements are: the elastic pin structure includes two positioning blocks, the two positioning blocks are fixedly connected to the upper end surface of the C-shaped sleeve away from the slot, there is a gap between the two positioning blocks, a movable pin is provided at the lower end of the positioning block, the upper end of the movable pin is inserted into the movable groove opened at the lower end of the positioning block, the movable pin is slidably connected to the movable groove, and a spring structure for pushing the movable pin is provided in the movable groove.

[0011] Further improvements are: the spring structure includes an adjusting block arranged in a movable groove, the adjusting block is slidingly connected to the movable groove, a spring is provided at the lower end of the adjusting block, the two ends of the spring are respectively fixedly connected to the adjusting block and the movable pin, an adjusting bolt is provided at the upper end of the adjusting block, the adjusting bolt is rotatably connected to the adjusting block, and the adjusting bolt is threadedly connected to the threaded groove opened at the upper end of the positioning block.

[0012] A further improvement is that a plurality of bolt seats are provided at the lower end of the base, the bolt seats are fixedly connected to the base, and bolt holes are provided on the bolt seats.

[0013] The beneficial effect of the present invention is that after the reagent card is completely pushed into the slot, the elastic pin structure at one end of the C-shaped sleeve away from the loading tray will limit the reagent card from the tail of the reagent card. No matter how the turntable and the loading tray rotate, the reagent card can still maintain a stable insertion state, and the continuous detection loading process is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the loading tray in the utility model.

[0015] Figure 2 It is a structural diagram of the turntable in the utility model.

[0016] Figure 3 This utility model Figure 1 A magnified view of the structure at point A in the middle.

[0017] Figure 4 It is a cross-sectional view of the rectangular sleeve in the present utility model.

[0018] Among them: 1. Turntable; 2. Loading tray; 3. Detection hole; 4. Slot; 5. C-type sleeve; 6. Rotating shaft; 7. Worm gear; 8. Worm; 9. Base; 10. Worm seat; 11. Positioning block; 12. Movable pin; 13. Movable slot; 14. Spring; 15. Adjustment block; 16. Adjustment bolt; 17. Threaded groove; 18. Bolt seat. DETAILED DESCRIPTION

[0019] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments. The embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0020] according to Figure 1 、 2 As shown in Figures 3 and 4, a turntable mechanism of a fluorescent immunoassay analyzer is proposed in this embodiment, comprising a turntable 1, a loading tray 2 is provided at the upper end of the turntable 1, and the loading tray 2 is fixedly connected to the turntable 1;

[0021] The loading tray 2 has multiple slots 4 on its side, each centered around its axis. Multiple detection holes 3 are located at its top, each communicating with a different loading tray 2. The turntable 1 is mounted on the analyzer's upper end, with one of the detection holes 3 located below the analyzer's detection element. To test a sample, a sample reagent card is inserted into the corresponding slot 4, and the turntable 1 rotates to continuously test the sample.

[0022] Multiple C-shaped sleeves 5 are provided on the side of the loading tray 2. Each C-shaped sleeve 5 is fixed to the edge of the entrance of each slot 4. One end of the C-shaped sleeve 5 is fixedly connected to the loading tray 2, and the other end of the C-shaped sleeve 5 is provided with an elastic pin structure for preventing the reagent card inserted into the slot 4 from being dislodged. After the reagent card is fully inserted into the slot 4, the C-shaped sleeve 5 moves away from the elastic pin structure at one end of the loading tray 2, and the reagent card is restrained at the rear end. Regardless of how the turntable 1 and the loading tray 2 rotate, the reagent card remains stably inserted.

[0023] Regarding the rotation of the turntable 1 and loading tray 2: A base 9 is provided at the lower end of the turntable 1, which is rotatably connected to the turntable 1. A rotary drive is provided at the lower end of the base 9 to control the rotation of the turntable 1. The turntable 1 is mounted on the upper end of the base 9 and can rotate there. The rotary drive, located at the lower end of the base 9, controls the rotation of the turntable 1. As the turntable 1 rotates, it moves the reagent card inserted in the loading tray 2 to the bottom of the detection element for testing.

[0024] Specifically, the rotary drive member includes a rotating shaft 6 and a worm seat 10. The upper end of the rotating shaft 6 is fixedly connected to the turntable 1. The lower end of the rotating shaft 6 is provided with a worm wheel 7. The rotating shaft 6 passes through the base 9 and is rotatably connected to the base 9. The worm seat 10 is fixedly connected to the lower end of the base 9. A worm 8 is provided on the inner side of the base 9, which meshes with the worm wheel 7. The worm seat 10 is provided on the outer side of the base 9. The output end of the worm seat 10 is fixedly connected to one end of the worm 8. The worm seat 10 drives the worm 8 to rotate. The worm 8 drives the worm wheel 7 to rotate by meshing with the worm wheel 7. The worm wheel 7 is fixed to the lower end of the rotating shaft 6. When the worm wheel 7 rotates, the rotating shaft 6 will also rotate, thereby driving the turntable 1 to rotate together.

[0025] The worm gear transmission has a self-locking property. When the worm 8 stops rotating, the worm 8 will limit the rotation of the rotating shaft 6 and the turntable 1 by meshing with the teeth of the worm wheel 7.

[0026] About the elastic pin structure: the elastic pin structure includes two positioning blocks 11, which are fixedly connected to the upper end surface of the C-type sleeve 5 away from the end of the slot 4. There is a gap between the two positioning blocks 11, and a movable pin 12 is provided at the lower end of the positioning block 11. The upper end of the movable pin 12 is inserted into the movable groove 13 opened at the lower end of the positioning block 11. The movable pin 12 is slidably connected to the movable groove 13, and a spring structure for pushing the movable pin 12 is provided in the movable groove 13. When the reagent card is fully inserted into the slot 4 through the C-type sleeve 5, the tail end of the reagent card also penetrates into the C-type sleeve 5. The two positioning blocks 11 are fixed to the upper end of the C-type sleeve 5. The movable pin 12 at the lower end of the positioning block 11 will pop out from the movable groove 13 under the push of the spring structure, and the reagent card is limited from the tail end of the reagent card. The gap between the two positioning blocks 11 makes it convenient for the staff to pull the reagent card out of the C-type sleeve 5.

[0027] Specifically, the spring structure includes an adjustment block 15 disposed in a movable groove 13. The adjustment block 15 is slidably connected to the movable groove 13. A spring 14 is provided at the lower end of the adjustment block 15. The two ends of the spring 14 are fixedly connected to the adjustment block 15 and the movable pin 12, respectively. An adjustment bolt 16 is provided at the upper end of the adjustment block 15. The adjustment bolt 16 is rotatably connected to the adjustment block 15 and is threadedly connected to a threaded groove 17 provided at the upper end of the positioning block 11. When the reagent card is inserted into the C-type sleeve 5, the movable pin 12 will retract into the movable groove 13. When the reagent card is fully pushed into the C-type sleeve 5, the spring 14 will push the movable pin 12 to pop out of the movable groove 13. By rotating the adjustment bolt 16 and adjusting the position of the adjustment block 15 in the movable groove 13, the height of the movable pin 12 can be adjusted so that the movable pin 12 can accurately limit the position of the reagent card.

[0028] Regarding the installation of the turntable mechanism: The base 9 is provided with multiple bolt holders 18 at its lower end, which are fixedly connected to the base 9. Bolt holes are formed in the bolt holders 18. The bolt holes are fitted with fixing bolts. The bolt holders 18 are bolted to the upper frame of the analyzer base. It is important to note that the base 9 should be installed in a relatively enclosed space to avoid exposing the rotating drive components and reduce dust interference with the rotating drive components.

[0029] Working Principle: Turntable 1 is assembled at the top of the analyzer, and one of the detection holes 3 on the top of the loading tray 2 is located below the analyzer's detection element. To test a reagent sample, the sample reagent card is inserted into the corresponding slot 4, and the turntable 1 is rotated to continuously test the reagent sample. After the reagent card is fully inserted into the slot 4, the elastic pin structure at the end of the C-shaped sleeve 5 away from the loading tray 2 will limit the reagent card from the rear end. Regardless of the rotation of the turntable 1 and loading tray 2, the reagent card remains firmly inserted, ensuring a stable loading process for continuous testing.

[0030] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A turntable mechanism for a fluorescent immunoassay analyzer, comprising a turntable (1), wherein a loading tray (2) is provided at the upper end of the turntable (1), and the loading tray (2) is fixedly connected to the turntable (1), characterized in that: A plurality of slots (4) are provided on the side of the loading tray (2), each of the slots (4) surrounds the axis of the loading tray (2), and a plurality of detection holes (3) are provided on the upper end of the loading tray (2), each of the detection holes (3) is connected to each of the loading trays (2); A plurality of C-shaped sleeves (5) are provided on the side of the loading tray (2), and each of the C-shaped sleeves (5) is respectively fixed to the edge of the entrance of each of the slots (4). One end of the C-shaped sleeve (5) is fixedly connected to the loading tray (2), and the other end of the C-shaped sleeve (5) is provided with an elastic pin structure for limiting the separation of the reagent card inserted into the slot (4).

2. The turntable mechanism of a fluorescent immunoassay analyzer according to claim 1, characterized in that: A base (9) is provided at the lower end of the turntable (1), the base (9) is rotatably connected to the turntable (1), and a rotary drive member for controlling the rotation of the turntable (1) is provided at the lower end of the base (9).

3. The turntable mechanism of a fluorescent immunoassay analyzer according to claim 2, characterized in that: The rotary drive member comprises a rotating shaft (6) and a worm seat (10), the upper end of the rotating shaft (6) is fixedly connected to the turntable (1), the lower end of the rotating shaft (6) is provided with a worm wheel (7), the rotating shaft (6) passes through the base (9) and is rotatably connected to the base (9), the worm seat (10) is fixedly connected to the lower end of the base (9), a worm (8) is provided on the inner side of the base (9), the worm (8) is meshed with the worm wheel (7), the outer side of the base (9) is provided with a worm seat (10), and the output end of the worm seat (10) is fixedly connected to one end of the worm (8).

4. The turntable mechanism of a fluorescent immunoassay analyzer according to claim 1, characterized in that: The elastic pin structure comprises two positioning blocks (11), the two positioning blocks (11) are fixedly connected to the upper end surface of the C-shaped sleeve (5) away from the slot (4), and there is a gap between the two positioning blocks (11). A movable pin (12) is provided at the lower end of the positioning block (11), and the upper end of the movable pin (12) is inserted into a movable groove (13) provided at the lower end of the positioning block (11). The movable pin (12) is slidably connected to the movable groove (13), and a spring structure for pushing the movable pin (12) is provided in the movable groove (13).

5. The turntable mechanism of a fluorescent immunoassay analyzer according to claim 4, characterized in that: The spring structure comprises an adjusting block (15) arranged in the movable groove (13), the adjusting block (15) being slidably connected to the movable groove (13), a spring (14) being provided at the lower end of the adjusting block (15), the two ends of the spring (14) being fixedly connected to the adjusting block (15) and the movable pin (12) respectively, an adjusting bolt (16) being provided at the upper end of the adjusting block (15), the adjusting bolt (16) being rotatably connected to the adjusting block (15), and the adjusting bolt (16) being threadedly connected to a threaded groove (17) provided at the upper end of the positioning block (11).

6. The turntable mechanism of a fluorescent immunoassay analyzer according to claim 2, characterized in that: A plurality of bolt seats (18) are provided at the lower end of the base (9), the bolt seats (18) are fixedly connected to the base (9), and bolt holes are provided on the bolt seats (18).

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