A reaction disc structure and a sample analysis device using the same

Abstract

The utility model discloses a reaction disc structure and sample analysis device applying it, this reaction disc structure includes fixed disc, the rotary disc for holding reaction cup and drive mechanism, the rotary disc swing setting on fixed disc, the top of fixed disc is provided with the avoidance position, when using, drive mechanism drives rotary disc rotates relative to fixed disc, makes reaction cup on rotary disc move to the avoidance position, and reaction cup crosses the avoidance position and carries out loading and grabbing. The utility model discloses when using, can expose reaction cup, and conveniently carry out the grabbing and loading of reaction cup, can guarantee the repeated use effect of reaction disc structure.

Description

Technical Field

[0001] This utility model belongs to the field of analytical instrument technology, specifically relating to a reaction disk structure and a sample analysis device using it. Background Technology

[0002] The sample analysis device is an instrument that uses the photoelectric colorimetric principle to measure a specific chemical component in body fluids. The reaction plate is an essential component, used to place the container holding the sample to be tested, such as a reaction cup, and to move the reaction cup to the detection position. The detection mechanism uses transmission immunoturbidimetry to detect the sample in the reaction cup to obtain parameters such as its concentration and particle size.

[0003] Currently, disposable reaction cups are commonly used in sample analysis devices. It is necessary to manually or using a reaction cup loading device to repeatedly load the reaction cups onto the reaction plate, or to remove the discarded reaction cups from the reaction plate. Existing sample analysis devices often place the reaction cups completely in the reaction plate, which is inconvenient for effectively grasping the reaction cups for replacement and is not conducive to the reuse of the sample analysis device. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a reaction plate structure that solves the problem that existing sample analysis devices place the entire reaction cup in the reaction plate, making it inconvenient to effectively grasp the reaction cup for replacement and hindering the reuse of the sample analysis device.

[0005] The purpose of this invention is also to provide a sample analysis device that uses this reaction disk structure.

[0006] To achieve the above objectives, the first technical solution of this utility model is as follows: a reaction disk structure for a sample analysis device, comprising a fixed disk, a rotating disk for holding a reaction cup, and a driving mechanism, wherein the rotating disk is movably mounted on the fixed disk; and a clearance space is provided above the fixed disk.

[0007] In use, the drive mechanism drives the rotating disk to rotate relative to the fixed disk, causing the reaction cup on the rotating disk to move to the clearance position, and the reaction cup passes through the clearance position for loading and gripping.

[0008] Furthermore, it also includes a cover body, which is disposed above the fixed disk and the rotating disk, and a recess is provided on the cover body at a position corresponding to the clearance position; in use, the rotating disk rotates relative to the cover body.

[0009] Furthermore, the rotating disk is provided with a plurality of cup slots along its circumference for placing reaction cups, and the depth of the cup slots is less than the height of the reaction cups.

[0010] Furthermore, the lower end of the cup is square to match the shape of the reaction cup, and the upper end is a guide portion with a diameter larger than that of the lower end.

[0011] Furthermore, an overflow port is provided at the bottom of the cup.

[0012] Furthermore, each of the cup slots is provided with a limiting member at its upper end. One end of the limiting member is connected to the rotating disk, and the other end extends into the cup slot and is provided with an elastic protrusion.

[0013] Furthermore, the side wall of the cup is provided with a receiving groove for accommodating the limiting member; when the reaction cup squeezes the elastic protrusion, the other end of the limiting member moves within the receiving groove.

[0014] Furthermore, it also includes a detection mechanism consisting of a light source assembly and a detection element. The rotating disk is provided with a light-transmitting channel that is perpendicular to and penetrates the cup groove. The light source assembly and the detection element are respectively located at both ends of the light-transmitting channel.

[0015] Furthermore, it also includes a heating mechanism disposed within the fixed plate.

[0016] The second technical solution of this utility model is implemented as follows: a sample analysis device, including the above-mentioned reaction disk structure.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model movably mounts a rotating disk carrying a reaction cup on a fixed disk with a clearance position, and the rotating disk is driven by a drive mechanism to rotate. When the rotating disk moves the reaction cup to the clearance position, the reaction cup can be exposed, which facilitates the gripping and loading of the reaction cup and ensures the cyclic use effect of the reaction disk structure. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the reaction disk structure provided by this utility model;

[0019] Figure 2 This is a structural diagram of the drive mechanism in the aforementioned reaction disk structure;

[0020] Figure 3 This is a structural diagram of the fixed disk and the rotating disk in the aforementioned reaction disk structure;

[0021] Figure 4 for Figure 2 Enlarged view of point A in the middle;

[0022] Figure 5 This is a cross-sectional view of the fixed disk and the rotating disk in the reaction disk structure;

[0023] Figure 6This is another cross-sectional view of the fixed disk and rotating disk in the reaction disk structure.

[0024] In the diagram, 1-drive mechanism, 11-drive motor, 12-drive wheel, 13-belt, 14-transmission wheel, 15-rotating shaft, 2-fixed disc, 21-clearance position, 3-rotating disc, 31-cup groove, 311-overflow port, 312-accommodating groove, 313-light transmission channel, 4-lid, 41-recess, 5-limiting component, 51-elastic protrusion, 6-detection mechanism, 61-light source assembly, 62-detection component, 7-heating plate, 8-connector. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0026] In the description of this utility model, it should be clarified that the terms "vertical," "lateral," "longitudinal," "front," "rear," "left," "right," "up," "down," and "horizontal," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are merely for the convenience of describing this utility model. They do not imply that the device or element referred to must have a specific orientation or position, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Example 1

[0028] The reaction disk structure provided in this embodiment is as follows: Figure 1 , Figure 2 As shown, it includes a fixed plate 2, a rotating plate 3 for holding a reaction cup, and a drive mechanism 1. The rotating plate 3 is movably mounted on the fixed plate 2. A clearance space 21 is provided above the fixed plate 2.

[0029] In use, the drive mechanism 1 drives the rotating disk 3 to rotate relative to the fixed disk 2, so that the reaction cup on the rotating disk 3 moves to the clearance position 21, and the reaction cup passes through the clearance position 21 for loading and gripping.

[0030] like Figure 2As shown, the drive mechanism 1 includes a drive motor 11, a drive wheel 12, a belt 13, a transmission wheel 14, and a rotating shaft 15. The output shaft of the drive motor 11 is connected to the axis of the drive wheel 12. The drive wheel 12 is connected to the transmission wheel 14 via the belt 13. The rotating shaft 15 is located at the axis of the transmission wheel 14. One end of the rotating shaft 15 away from the transmission wheel 14 passes through the center of the fixed disk 2 and is connected to the rotating disk 3.

[0031] The fixed plate 2 is a cylindrical structure with one end open, and the clearance 21 is a notch formed by the downward indentation of the side wall of the cylinder.

[0032] Based on the above structure, the reaction disk structure movably mounts the rotating disk 3 containing the reaction cup on the fixed disk 2 with the clearance position 21, and the rotating disk 3 is driven to rotate by the drive mechanism 1. When the rotating disk 3 moves the reaction cup to the clearance position 21, the reaction cup can be exposed, which is convenient for grasping and loading the reaction cup, and can ensure the reusability of the reaction disk structure.

[0033] like Figure 1 As shown, in some embodiments of this application, a cover 4 is also included, which is disposed above the fixed disk 2 and the rotating disk 3. A recess 41 is provided on the cover 4 at a position corresponding to the clearance position 21. In use, the rotating disk 3 rotates relative to the cover 4.

[0034] The recessed portion 41 is a notch formed by the indentation from the periphery of the cover towards the center. The recessed portion 41 and the clearance position 21 form an L-shaped notch, which facilitates the grabbing of the reaction cup from the side and its upward or downward loading, and is beneficial for repeated loading of the reaction cup.

[0035] In some embodiments of this application, the cover 4 is also provided with an opening, which is not in the same position as the recess 41. When in use, the drive mechanism 1 drives the rotating disk 3 to rotate to the opening, and the sampling needle and reagent needle can pass through the opening to add the sample to be tested and the reaction solution into the reaction cup.

[0036] like Figure 3 As shown, in some embodiments of this application, the rotating disk 3 is provided with a plurality of cup slots 31 for placing reaction cups along the circumferential direction. The depth of the cup slots 31 is less than the height of the reaction cups. When the reaction cups are placed in the cup slots 31, the upper part of the reaction cups will be higher than the upper plane of the rotating disk 3, which makes it convenient to grab the reaction cups when they rotate to the avoidance position 21.

[0037] like Figure 5 , Figure 6As shown, in some embodiments of this application, the lower end of the cup groove 31 is square and adapted to the shape of the reaction cup, and the upper end is a guide portion with a diameter larger than that of the lower end. In use, the bottom of the reaction cup is placed above the guide portion, and gradually enters the square cup groove 31 under the guidance of the guide portion, so as to avoid the problem that the reaction cup and the square cup groove 31 are difficult to align and the reaction cup is not loaded smoothly.

[0038] In some embodiments of this application, the bottom of the cup trough 31 is provided with an overflow port 311.

[0039] By setting an overflow port 311, liquid can be prevented from accumulating in the rotating disk 3 when the injection needle is injected into the rotating disk 3. It can also expel air when the reaction cup is placed in the cup trough 31. When the sample to be tested overflows from the reaction cup, or when the cup trough 31 is cleaned, the sample to be tested and the cleaning solution can flow out with the overflow port 311, which is convenient for cleaning.

[0040] like Figure 4 As shown, in some embodiments of this application, each cup groove 31 is further provided with a limiting member 5 at its upper end. One end of the limiting member 5 is connected to the rotating disk 3, and the other end extends into the cup groove 31 and is provided with an elastic protrusion 51.

[0041] When the reaction cup is placed in the cup groove 31, the side wall of the reaction cup will squeeze the elastic protrusion 51 at the other end of the limiting member 5 to deform it. At the same time, the force of the elastic protrusion 51 to restore its original shape will press the reaction cup tightly, so that the reaction cup is clamped in the cup groove 31. When the rotating disk 3 rotates with the driving mechanism 1, the limiting member 5 clamps the reaction cup so that it will not shake.

[0042] In addition, the elastic protrusion 51 does not exert too much force on the reaction cup, so it does not affect the repeated gripping and loading of the reaction cup.

[0043] In some embodiments of this application, the side wall of the cup groove 31 is provided with a receiving groove 312 for accommodating the limiting member 5; when the reaction cup squeezes the elastic protrusion 51, the other end of the limiting member 5 moves within the receiving groove 312.

[0044] In this embodiment, the limiting member 5 is accommodated in the receiving groove 312, and the elastic protrusion 51 on it protrudes out of the receiving groove 312. When the reaction cup enters the cup groove 31, it is squeezed against the elastic protrusion 51, and the elastic protrusion 51 deforms. The reaction cup is clamped in the cup groove 31, and one end of the limiting member 5 that extends into the cup groove 31 moves in the receiving groove 312. That is, the receiving groove 312 avoids the elastic deformation of the limiting member 5.

[0045] In some embodiments of this application, a detection mechanism 6 consisting of a light source assembly 61 and a detection element 62 is also included. The rotating disk 3 is provided with a light-transmitting channel 313 that is perpendicular to and penetrates the cup groove 31. The light source assembly 61 and the detection element 62 are respectively located at both ends of the light-transmitting channel 313.

[0046] Specifically, the detection mechanism 6 is located away from the recess 41. Except for the recess 41 and the clearance position 21, the other parts of the cover 4 overlap with the fixing plate 2. The light source component 61 and the detection piece 62 of the detection mechanism 6 are in a relatively dark light environment, which can avoid the influence of natural light on its detection process.

[0047] In use, the light source assembly 61 emits detection light, which passes through the light transmission channel 313 to reach the reaction cup. The sample to be tested in the reaction cup reflects and absorbs the detection light, and the detection element 62 detects and processes the transmitted light to obtain parameters such as the concentration and particle size of the sample to be tested.

[0048] In some embodiments of this application, a heating mechanism disposed within the fixed plate 2 is also included.

[0049] Specifically, the heating mechanism includes a heating plate 7 disposed inside the fixed plate 2 and a connector 8 exposed on the outside of the reaction plate. The heating plate 7 is located below the rotating plate 3 and is connected to a power source through the connector 8. The heating plate 7 is used to heat the chamber formed by the fixed plate 2 and the cover 4, so that the sample to be tested in the reaction cup is at a suitable reaction temperature, the reaction between the sample to be tested and the reaction liquid is more thorough, and the detection results are more accurate.

[0050] Example 2

[0051] The sample analysis device provided in this embodiment includes the reaction disk structure described in Embodiment 1.

[0052] Specifically, the sample analysis device includes an automatic sample loading mechanism, a liquid extraction mechanism, and a reaction plate structure. In use, the drive mechanism 1 drives the rotating plate 3 to rotate to the clearance position 21 and the recessed part 41. The reaction cup is placed in the cup groove 31 of the rotating plate 3 through the clearance position 21 and the recessed part 41. The automatic sample loading mechanism adds the sample to be tested into the reaction cup. The drive mechanism 1 then drives the rotating plate 3 to rotate to the opening. The liquid extraction mechanism adds diluent or reaction solution into the reaction cup.

[0053] The sample to be tested and the diluent or reaction solution react in the reaction cup. During this process, the heating mechanism is turned on to heat the environment of the reaction cup to ensure that the sample to be tested and the reaction solution can react completely. Then, the drive mechanism 1 drives the rotating disk 3 to rotate to the detection position. The light source assembly 61 emits detection light. The detection light is absorbed and reflected by the sample to be tested in the reaction cup and then detected by the detection element 62. After the detection is completed, the drive mechanism 1 drives the rotating disk 3 to rotate to the clearance position 21 and the recessed part 41, and removes the reaction cup from the cup groove 31 for centralized processing.

[0054] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A reaction disk structure for a sample analysis device, characterized in that, It includes a fixed plate (2), a rotating plate (3) for holding a reaction cup, and a drive mechanism (1). The rotating plate (3) is movably mounted on the fixed plate (2). A clearance space (21) is provided above the fixed plate (2). In use, the drive mechanism (1) drives the rotating disk (3) to rotate relative to the fixed disk (2), so that the reaction cup on the rotating disk (3) moves to the clearance position (21), and the reaction cup passes through the clearance position (21) for loading and gripping.

2. The reaction disk structure according to claim 1, characterized in that, It also includes a cover (4), which is disposed above the fixed disk (2) and the rotating disk (3). A recess (41) is provided on the cover (4) at a position corresponding to the clearance position (21). In use, the rotating disk (3) rotates relative to the cover (4).

3. The reaction disk structure according to claim 2, characterized in that, The rotating disk (3) has several cup slots (31) arranged circumferentially for placing reaction cups, and the depth of the cup slots (31) is less than the height of the reaction cups.

4. The reaction disk structure according to claim 3, characterized in that, The lower end of the cup groove (31) is square to match the shape of the reaction cup, and the upper end is a guide part with a larger diameter than the lower end.

5. A reaction disk structure according to claim 3, characterized in that, The bottom of the cup (31) is provided with an overflow port (311).

6. A reaction disk structure according to any one of claims 3-5, characterized in that, Each of the cup slots (31) is also provided with a limiting member (5) at its upper end. One end of the limiting member (5) is connected to the rotating disk (3), and the other end extends into the cup slot (31) and is provided with an elastic protrusion (51).

7. A reaction disk structure according to claim 6, characterized in that, The side wall of the cup groove (31) is provided with a receiving groove (312) for accommodating the limiting member (5); when the reaction cup squeezes the elastic protrusion (51), the other end of the limiting member (5) moves in the receiving groove (312).

8. A reaction disk structure according to any one of claims 3-5, characterized in that, It also includes a detection mechanism (6) consisting of a light source assembly (61) and a detection element (62). The rotating disk (3) is provided with a light-transmitting channel (313) that is perpendicular to and penetrates the cup groove (31). The light source assembly (61) and the detection element (62) are located at the two ends of the light-transmitting channel (313).

9. A reaction disk structure according to any one of claims 1-5, characterized in that, It also includes a heating mechanism disposed within the fixed plate (2).

10. A sample analysis device, characterized in that, Includes the reaction disk structure as described in any one of claims 1-9.

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