Pressure applying mechanism of chemiluminescence immunity analyzer
By employing a synergistic design of springs, compression plates, and limiting components, the instability of reagent tubes in chemiluminescence immunoassay analyzers was resolved, achieving stability and adaptability of reagent tubes during rotation and reagent addition, and extending the service life of the reagent tubes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-03-27
AI Technical Summary
In existing chemiluminescence immunoassay analyzers, reagent tubes placed too deep are difficult to unload, while those placed too shallow are unstable and prone to tilting, affecting test accuracy.
The design employs a synergistic approach of springs, a compression plate, elastic pads, and limiting components. Springs provide elastic support, the compression plate applies pressure to stabilize the reagent tube, the limiting components ensure the stability of the reagent tube during rotation and reagent addition, and the elastic pads provide shock absorption, making it suitable for reagent tubes of different sizes and the analyzer body.
This design achieves stability of the reagent tube during rotation and reagent addition, avoids testing errors caused by shaking or tilting, improves the versatility and flexibility of the pressure application mechanism, and extends the service life of the reagent tube.
Smart Images

Figure CN224052204U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of chemical luminescence immunoassay analyzer accessories, especially relates to a chemical luminescence immunoassay analyzer pressure mechanism. BACKGROUND
[0002] Luminescence immunoassay is a new type of ultra microanalysis technology that combines luminescence analysis and immune response, which uses chemical or biological luminescence system as the indicating system of antigen-antibody reaction to quantitatively detect antigen or antibody.
[0003] The existing chemical luminescence immunoassay analyzer needs to adjust the position of the reagent tube by rotating the disc to add reagents into different reagent tubes, in order to ensure the stability of the reagent tube, the reagent tube is placed at a deep depth, which is inconvenient for unloading, and the reagent tube is unstable and inclined when placed at a shallow depth. UTILITY MODEL CONTENTS
[0004] The utility model provides a chemical luminescence immunoassay analyzer pressure mechanism, aims at solving the problem of the reagent tube being placed at a deep depth, which is inconvenient for unloading, and the reagent tube being unstable and inclined when placed at a shallow depth.
[0005] In order to solve the above problems, the utility model is realized in this way, a chemical luminescence immunoassay analyzer pressure mechanism, comprising: a support plate arranged in the body of the immunoassay analyzer; a spring fixed at the bottom of the support plate; an extrusion plate installed at the bottom of the spring, the extrusion plate is used for pressing and stabilizing the reagent tube; a spring pad arranged at the bottom of the extrusion plate, the spring pad is used for directly contacting and damping the reagent tube; a limiting assembly arranged at the bottom of the extrusion plate for connecting the extrusion plate and the adjusting part in the body of the immunoassay analyzer.
[0006] Preferably, the limiting assembly comprises a limiting rod detachably installed at the bottom of the extrusion plate; a damping cylinder fixedly sleeved outside the limiting rod, the outer diameter of the damping cylinder is consistent with the outer diameter length of the reagent tube for containing samples.
[0007] Preferably, the number of the spring, the limiting rod and the damping cylinder is not less than three, the number of the limiting rod and the damping cylinder is consistent, a limiting telescopic rod is arranged in each of the plurality of springs, and the plurality of limiting telescopic rods are installed between the support plate and the extrusion plate.
[0008] Preferably, the top of the support plate is provided with two fixed plates, a threaded rod is threadedly installed on each of the two fixed plates, and a mounting plate capable of contacting the inner wall of the body of the immunoassay analyzer is installed on the side of each of the two threaded rods away from each other.
[0009] Preferably, the inner wall of the immunoassay analyzer body is provided with a limiting groove, and ball bearings are embedded on the opposite sides of the two mounting plates, with both ball bearings in contact with the inner wall of the limiting groove.
[0010] Preferably, the top of the support plate is provided with a storage slot, and two handles are hinged in the storage slot. Both handles are provided with anti-slip textures, and the storage slot is used to store the two handles.
[0011] Preferably, an adjusting block is installed on the side of each of the two threaded rods that is close to each other, and both adjusting blocks are hexagonal prisms.
[0012] Preferably, the two handles are folded towards each other and located within the storage slot, with the distance between the two folded handles being no less than 5 cm.
[0013] Compared with related technologies, the pressure application mechanism of the chemiluminescence immunoassay analyzer provided by this utility model has the following beneficial effects:
[0014] Compared with existing technologies, the pressure application mechanism of the chemiluminescence immunoassay analyzer provided in this solution can uniformly apply pressure to the reagent tube through the synergistic action of springs, compression plates, elastic pads, and limiting components, maintaining its stability during rotation and reagent addition, and avoiding testing errors caused by shaking or tilting. The design of the threaded rod and mounting plate allows the pressure application mechanism to be finely adjusted according to actual needs to adapt to reagent tubes or the immunoassay analyzer body of different sizes, improving the versatility and flexibility of the pressure application mechanism. The elastic pad and shock-absorbing cylinder can play a role in shock absorption and buffering when pressure is applied, preventing the reagent tube from being damaged by excessive pressure and extending the service life of the reagent tube. Attached Figure Description
[0015] Figure 1 This is a front cross-sectional view of the pressure application mechanism of a chemiluminescence immunoassay analyzer provided by this utility model;
[0016] Figure 2 for Figure 1 An enlarged structural diagram of part A shown in the figure;
[0017] Figure 3 This is a bottom view of the extrusion plate in this utility model.
[0018] Figure 4 This is a schematic diagram of the assembly structure of the spring and the limiting telescopic rod in this utility model.
[0019] Mark No. : 1, the body of the immune analyzer 1; 2, support plate; 3, spring; 4, limit telescopic rod; 5, extrusion plate; 6, elastic pad; 7, limit rod; 8, shock absorbing cylinder; 9, fixed plate; 10, threaded rod; 11, adjusting block; 12, limit groove; 13, mounting plate; 14, ball; 15, storage groove; 16, handle. DETAILED DESCRIPTION
[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application will be described with reference to the drawings in which is shown by way of illustration the application in accordance with embodiments described herein in which: the terminology includes and refers to the word "comprise", as well as derivatives thereof such as "comprising", "comprises" and "comprised of"; the terminology "first", "second" and the like used in the description herein refer to different objects unless otherwise indicated; the terminology "inner", "outer", "left", "right" and the like used in the description herein indicate the orientation or position as shown in the drawings and are used for convenience in providing a common terminology used in the description; the terminology "include", "includes" and "including" used in the description herein specifies the presence of stated features but does not preclude the presence or addition of one or more other features.
[0021] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive or alternative embodiments. It is expressly understood that the embodiments described herein are merely examples from a whole class of comparable embodiments which those skilled in the art will readily appreciate. It is also specifically intended that the various embodiments described herein can be combined or otherwise used in combination with one another.
[0022] The utility model discloses an immunoassay analyzer pressure mechanism, as shown in Figures 1-4 The immunoassay analyzer pressure mechanism includes: a support plate 2 arranged in the body of the immune analyzer 1; a spring 3 fixed at the bottom of the support plate 2; an extrusion plate 5 installed at the bottom of the spring 3, which is used for pressing and stabilizing the reagent tube; an elastic pad 6 arranged at the bottom of the extrusion plate 5, which is used for directly contacting and damping the reagent tube; and a limiting assembly arranged at the bottom of the extrusion plate 5 for connecting the extrusion plate 5 and the adjusting part in the body of the immune analyzer 1.
[0023] In the embodiment, the immune analyzer body 1 serves as the main structure of the whole chemiluminescence immune analyzer, contains and supports other components, provides the environment and platform for analyzing tests, the support plate 2 serves as the support structure of the spring 3 and the pressing plate 5, ensures the stability of the pressing mechanism, and enables the pressing mechanism to uniformly apply pressure to the reagent tube, the spring 3 provides elastic support for the pressing plate 5, can automatically adjust the pressure according to the height change of the reagent tube, maintains the stability of the reagent tube, the pressing plate 5 is used for directly pressing and stabilizing the reagent tube, ensures the stability of the reagent tube during rotation and reagent addition through the elastic force of the spring 3, the elastic pad 6 is directly in contact with the reagent tube, plays a damping role, prevents the pressing plate 5 from causing hard damage to the reagent tube, and simultaneously increases the stability of the reagent tube, the limiting component connects the pressing plate 5 and the adjusting piece in the immune analyzer body 1, ensures that the pressing plate 5 works in the correct position, limits the movement range of the pressing plate 5, enables the pressing plate 5 to accurately apply pressure, and simultaneously ensures that the reagent tube is stably placed and conveniently unloaded.
[0024] In the further preferable embodiment of the utility model, the limiting component comprises a limiting rod 7 detachably installed at the bottom of the pressing plate 5; a damping cylinder 8 fixedly sleeved outside the limiting rod 7, and the outer diameter of the damping cylinder 8 is consistent with the outer diameter length of the reagent tube used for containing samples.
[0025] In the embodiment, through the setting of the limiting rod 7, it is ensured that the pressing plate 5 can maintain the correct position and direction when applying pressure, and the reagent tube is prevented from being inclined or unstable, simultaneously, the detachability of the limiting rod 7 makes the whole pressing mechanism more easily maintained and replaced, the damping cylinder 8 not only provides additional support and stability for the limiting rod 7, but also plays a damping role when the reagent tube is subjected to pressure, since the outer diameter of the damping cylinder 8 is consistent with the outer diameter of the reagent tube, it can also ensure that the reagent tube maintains a proper gap with the surrounding structure during rotation and reagent addition, and prevents the reagent tube from being rubbed and damaged.
[0026] In the further preferable embodiment of the utility model, the number of the spring 3, the limiting rod 7 and the damping cylinder 8 is not less than three, the number of the limiting rod 7 is consistent with the number of the damping cylinder 8, a limiting telescopic rod 4 is arranged in each of the plurality of springs 3, and the plurality of limiting telescopic rods 4 are installed between the support plate 2 and the pressing plate 5.
[0027] In the embodiment, through the cooperation of the plurality of springs 3, the pressure can be more evenly distributed, and the reagent tube can be kept stable when subjected to pressure, avoiding damage or instability of the reagent tube caused by excessive single-point pressure, and the plurality of limiting rods 7 further enhance the stability of the extrusion plate 5, preventing it from shifting or rotating when pressure is applied, and at the same time, the number of limiting rods 7 is consistent with the shock-absorbing cylinder 8, ensuring the balance and stability of the entire pressure applying mechanism, the shock-absorbing cylinder 8 not only enhances the stability of the limiting rod 7, but also plays a shock-absorbing and buffering role when the reagent tube is subjected to pressure, further protecting the reagent tube from damage, and the limiting telescopic rod 4 limits the movement range of the extrusion plate 5 in the vertical direction, ensuring that it can maintain a stable position when pressure is applied.
[0028] In a further preferred embodiment of the utility model, the top of the support plate 2 is provided with two fixed plates 9, and the two fixed plates 9 are provided with threaded rods 10, and the side of the two threaded rods 10 away from each other is provided with mounting plates 13 which can contact the inner wall of the immune analyzer body 1.
[0029] In the embodiment, the fixed plate 9 provides a stable mounting base for the threaded rod 10, ensuring that the threaded rod 10 can be firmly mounted on the support plate 2 and can be adjusted in position by rotating, and the threaded rod 10 can adjust the length of the fixed plate 9 by rotating, thereby driving the mounting plate 13 to approach or move away from the inner wall of the immune analyzer body 1, and this design allows the pressure applying mechanism to be fine-tuned according to actual needs to adapt to reagent tubes or immune analyzer bodies 1 of different sizes, and the mounting plate 13 can be in close contact with the inner wall of the immune analyzer body 1 through the adjustment of the threaded rod 10, thereby realizing the stable installation of the pressure applying mechanism in the immune analyzer body 1, and this design not only improves the stability of the pressure applying mechanism, but also facilitates its disassembly and replacement.
[0030] In a further preferred embodiment of the utility model, the inner wall of the immune analyzer body 1 is provided with a limiting groove 12, and the side of the two mounting plates 13 away from each other is inlaid with a ball 14, and the two balls 14 are in contact with the inner wall of the limiting groove 12.
[0031] In this embodiment, the limiting groove 12 serves as a guide and limiting structure for the mounting plate 13 and the ball bearings 14, providing a clear installation position and movement trajectory for the mounting plate 13 and the ball bearings 14. This ensures the stability and accuracy of the pressure application mechanism within the immunoassay analyzer body 1. Simultaneously, the limiting groove 12 prevents the mounting plate 13 from shifting or rotating under force, further improving the stability of the pressure application mechanism. The ball bearings 14 reduce the frictional resistance between the mounting plate 13 and the inner wall of the limiting groove 12, allowing the mounting plate 13 to move more smoothly within the limiting groove 12. This design not only improves the flexibility of the pressure application mechanism but also reduces wear and noise caused by friction. Furthermore, the rolling support of the ball bearings 14 better maintains close contact between the mounting plate 13 and the inner wall of the limiting groove 12, further enhancing the stability of the pressure application mechanism.
[0032] In a further preferred embodiment of the present invention, the top of the support plate 2 is provided with a storage groove 15, and two handles 16 are hinged in the storage groove 15. Both handles 16 are provided with anti-slip textures, and the storage groove 15 is used to store the two handles 16.
[0033] In this embodiment, the storage slot 15 provides a fixed storage location for the handle 16 when not in use, preventing it from being lost or damaged due to random placement. Simultaneously, the storage slot 15 keeps the pressure mechanism neat and compact, facilitating its management during use and storage. The handle 16, hinged within the storage slot 15, can be easily opened and closed. As an auxiliary tool for operating the pressure mechanism, the user can easily move or adjust its position by gripping the handle 16. The handle 16 enhances the user's ease of operation, improving the convenience of use. The anti-slip texture increases friction when the user grips the handle 16, preventing slippage.
[0034] In a further preferred embodiment of the present invention, an adjusting block 11 is installed on one side of each of the two threaded rods 10 that are close to each other, and both adjusting blocks 11 are hexagonal prisms.
[0035] In this embodiment, the adjustment block 11 serves as an auxiliary tool for the user to adjust the threaded rod 10. The user can conveniently rotate and adjust the extension length of the threaded rod 10 by using hexagonal tools such as wrenches and screwdrivers to cooperate with the hexagonal prism surface of the adjustment block 11. Compared with the traditional round or square adjustment block 11, the hexagonal prism shape is less prone to slippage, thereby improving the accuracy and convenience of adjustment. The design of the adjustment block 11 allows the user to more easily adjust the extension length of the threaded rod 10 according to actual needs, thereby adjusting the distance between the pressure application mechanism and the inner wall of the immunoassay analyzer body 1 to accommodate reagent tubes or immunoassay analyzer body 1 of different sizes.
[0036] In the further preferred embodiment, the two handles 16 are folded in the direction of approaching each other and located in the storage groove 15, and the distance between the two handles 16 after being folded is not less than 5cm.
[0037] In the embodiment, the two handles 16 are designed to be folded in the direction of approaching each other and located in the storage groove 15, which allows the user to fold and store the handles 16 in the storage groove 15 when not in use, thereby saving space and keeping the pressing mechanism clean. When the two handles 16 are folded, the distance between them is not less than 5cm, which ensures that even if the handles 16 are folded and stored, they will not be too close to cause difficulty in opening or damage, and at the same time, this distance also ensures the stability and safety of the pressing mechanism during storage and transportation.
[0038] In summary, compared with the related art, the device can uniformly apply pressure to the reagent tube, maintain its stability during rotation and reagent addition, and avoid test errors caused by shaking or tilting, through the synergistic effect of the spring 3, the pressing plate 5, the elastic pad 6 and the limiting assembly. The design of the threaded rod 10 and the mounting plate 13 allows the pressing mechanism to be fine-tuned according to actual needs to adapt to reagent tubes of different sizes or the body 1 of the immunoassay instrument, improving the versatility and flexibility of the pressing mechanism. The elastic pad 6 and the shock-absorbing cylinder 8 can act as shock absorbers and buffers when pressure is applied, preventing the reagent tube from being damaged by excessive pressure and prolonging its service life.
[0039] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways.
[0040] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete features in the embodiments of the present application according to the circumstances without making creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of protection of the present application.
Claims
1. A pressure application mechanism for a chemiluminescence immunoassay analyzer, characterized in that, The utility model relates to an immunization analysis appearance, belong to the field of immunization analysis appearance, and provide a kind of immunization analysis appearance, including: Supporting plate (2) being arranged in the body (1) of immunization analysis instrument; Spring (3) is fixed in the bottom of the supporting plate (2); Mounting plate (5) is installed at the bottom of the spring (3), and the mounting plate (5) is used to pressurize stable reagent tube; Resilient pad (6) is arranged at the bottom of the mounting plate (5), and the resilient pad (6) is used to directly contact reagent tube and shock absorption; Limiting assembly is arranged at the bottom of the mounting plate (5) for connecting the mounting plate (5) with the adjusting member in the body (1) of immunization analysis instrument.
2. The chemiluminescent immunoassay apparatus pressure application mechanism according to claim 1, wherein The limiting assembly includes: Limiting rod (7) is detachably mounted at the bottom of the mounting plate (5); Shock-absorbing cylinder (8) is fixedly sleeved outside the limiting rod (7), and the outer diameter of the shock-absorbing cylinder (8) is consistent with the outer diameter length of the reagent tube for containing sample.
3. The chemiluminescent immunoassay apparatus pressure application mechanism according to claim 2, wherein The number of the spring (3), the limiting rod (7) and the shock-absorbing cylinder (8) is not less than three, the number of the limiting rod (7) and the shock-absorbing cylinder (8) is consistent, a plurality of limiting telescopic rods (4) are arranged in the plurality of springs (3), and the plurality of limiting telescopic rods (4) are mounted between the supporting plate (2) and the mounting plate (5).
4. The chemiluminescent immunoassay apparatus pressing mechanism according to claim 1, wherein Two fixed plates (9) are mounted on the top of the supporting plate (2), two threaded rods (10) are threadedly mounted on the two fixed plates (9), and mounting plates (13) capable of contacting the inner wall of the body (1) of immunization analysis instrument are mounted on the sides of the two threaded rods (10) away from each other.
5. The chemiluminescent immunoassay apparatus pressure applying mechanism according to claim 4, wherein Limiting groove (12) is arranged on the inner wall of the body (1) of immunization analysis instrument, and two ball bearings (14) are embedded on the sides of the two mounting plates (13) away from each other, and the two ball bearings (14) are in contact with the inner wall of the limiting groove (12).
6. The chemiluminescent immunoassay apparatus pressing mechanism according to claim 1, wherein Storage groove (15) is arranged on the top of the supporting plate (2), two handles (16) are hingedly connected in the storage groove (15), anti-skid lines are arranged on the two handles (16), and the storage groove (15) is used for storing the two handles (16).
7. The chemiluminescent immunoassay apparatus pressure applying mechanism according to claim 4, wherein Adjusting blocks (11) are mounted on the sides of the two threaded rods (10) close to each other, and the two adjusting blocks (11) are hexagonal prisms.
8. The chemiluminescent immunoassay apparatus pressure application mechanism according to claim 6, wherein, Two handles (16) are folded in the storage groove (15) in the direction close to each other, and the distance between the two handles (16) after folding is not less than 5cm.