Automatic sampling device for fluorescence immunoassay analyzer

Abstract

The utility model provides an automatic sampling device for a fluorescence immunoassay analyzer, which comprises a fixed bracket arranged on the fluorescence immunoassay analyzer, the X-axis movement mechanism is connected with the fixed bracket in a sliding manner; the Y-axis movement mechanism is mounted on the X-axis movement mechanism; the sampling arm assembly is positioned in the Z-axis direction and is fixedly connected with the X-axis movement mechanism; the X-axis movement mechanism is fixedly connected with the sampling arm assembly through an X-axis protection chain support, and the Y-axis movement mechanism is fixedly connected with the Y-axis protection chain support through a Y-axis protection chain support. According to the utility model, on the basis of ensuring that the sampling arm assembly effectively completes automatic sampling and moving processes in the operations of cleaning, washing liquid, spitting liquid and uniformly mixing, the tension of the wire harness on the bent parts of the X-axis protection chain and the Y-axis protection chain is reduced through the X-axis protection chain bracket and the Y-axis protection chain bracket, so that the protection chains are prevented from being damaged and broken; the service life of the automatic sampling device is prolonged, and the normal detection of a fluorescence immunoassay instrument is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and particularly relates to an automatic sampling device for a fluorescence immunoassay analyzer. Background Art

[0002] With the development of modern medical device technology, the full-automatic transmission of samples has been widely applied to detection instruments. Taking a fluorescence immunoassay analyzer as an example, the traditional sampling device mainly relies on a synchronous belt to drive a sampling arm to move, and complete the processes of cleaning, washing, spitting, and mixing. The protective chain can protect the wire harness from being damaged or broken during movement. However, in specific use, the protective chain is prone to deformation during movement, and then damage and breakage occur, seriously affecting the normal detection of the instrument. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an automatic sampling device for a fluorescence immunoassay analyzer to solve the above-mentioned deficiencies of the prior art.

[0004] An automatic sampling device for a fluorescence immunoassay analyzer includes a fixed bracket installed on the fluorescence immunoassay analyzer, and further includes an X-axis movement mechanism slidably connected to the fixed bracket, a Y-axis movement mechanism installed on the X-axis movement mechanism, and a sampling arm assembly fixedly connected to the X-axis movement mechanism in the Z-axis direction; the X-axis movement mechanism is fixedly connected to the sampling arm assembly and the Y-axis movement mechanism through an X-axis protective chain bracket and a Y-axis protective chain bracket respectively.

[0005] Further, the X-axis movement mechanism includes an X-axis guide rail slidably connected to the fixed bracket, an X-axis protective chain arranged on the X-axis guide rail, and an X-axis drive mechanism.

[0006] Further, one end of the X-axis protective chain is fixed on the X-axis guide rail, and the other end is fixed on the X-axis protective chain bracket. The X-axis protective chain bracket is slidably connected to the X-axis guide rail and fixedly connected to the sampling arm assembly.

[0007] Further, the X-axis drive mechanism includes a first driving wheel, a first driven wheel arranged on the X-axis guide rail, and a first synchronous belt connecting the first driving wheel and the first driven wheel. The first synchronous belt is fixedly connected to the sampling arm assembly, and the first driving wheel is connected to a first driving motor.

[0008] Further, the Y-axis movement mechanism includes a Y-axis guide rail connected to the X-axis guide rail through a Y-axis protective chain bracket, a Y-axis protective chain arranged on the Y-axis guide rail, and a Y-axis drive mechanism.

[0009] Further, one end of the Y-axis protective chain is fixed on the Y-axis guide rail, and the other end is fixed on the Y-axis protective chain bracket. The Y-axis protective chain bracket is fixedly connected to the X-axis guide rail and slidably connected to the Y-axis guide rail.

[0010] Further, the Y-axis driving mechanism includes a second driving pulley, a second driven pulley on the Y-axis guide rail, and a second synchronous belt connecting the second driving pulley and the second driven pulley. The second synchronous belt is fixedly connected to the X-axis guide rail, and the second driving pulley is connected to a second driving motor.

[0011] Further, the sampling arm assembly includes a sampling arm fixedly connected to the X-axis protective chain bracket, a sampling needle slidably connected to the sampling arm in the Z-axis direction, and a sampling needle driving mechanism.

[0012] Further, the sampling needle driving mechanism includes a third driving pulley, a third driven pulley installed on the sampling arm, and a third synchronous belt connecting the third driving pulley and the third driven pulley. The third driving pulley is connected to a third driving motor.

[0013] As can be seen from the above technical solutions, on the basis of ensuring that the sampling arm assembly can effectively complete the automatic sampling and movement process in the operations of cleaning, washing liquid, spitting liquid, and mixing, the X-axis protective chain bracket and the Y-axis protective chain bracket reduce the tension of the wire harness on the X-axis protective chain and the Y-axis protective chain at the bending part, avoiding damage and fracture of the protective chain, extending the service life of the automatic sampling device, and ensuring the normal detection of the fluorescence immunoassay instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the X-axis movement mechanism and the Z-axis movement mechanism of the present utility model;

[0016] Figure 3 is a schematic diagram of the Y-axis movement mechanism of the present utility model;

[0017] Figure 4 is a schematic diagram of the X-axis protective chain bracket of the present utility model;

[0018] Figure 5 is a schematic diagram of the Y-axis protective chain bracket of the present utility model;

[0019] In the figure: 1, fixed bracket; 2, X-axis protective chain bracket; 3, Y-axis protective chain bracket; 4, X-axis guide rail; 5, X-axis protective chain; 6, Y-axis guide rail; 7, Y-axis protective chain; 8, sampling arm; 9, sampling needle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following is a detailed description of a preferred embodiment of the present utility model in conjunction with the accompanying drawings.

[0021] As Figure 1 shown, the automatic sampling device for a fluorescence immunoassay analyzer includes a fixed bracket 1 installed on the fluorescence immunoassay analyzer, and further includes an X-axis movement mechanism slidably connected to the fixed bracket 1, a Y-axis movement mechanism installed on the X-axis movement mechanism, and a sampling arm assembly fixedly connected to the X-axis movement mechanism in the Z-axis direction; the X-axis movement mechanism is fixedly connected to the sampling arm assembly and the Y-axis movement mechanism through an X-axis protective chain bracket 2 and a Y-axis protective chain bracket 3 respectively.

[0022] The X-axis movement mechanism described in this preferred embodiment includes an X-axis guide rail 4 slidably connected to the fixed bracket 1, an X-axis protective chain 5 arranged on the X-axis guide rail 4, and an X-axis driving mechanism. Specifically, one end of the X-axis protective chain 3 is fixed on the X-axis guide rail 4, and the other end is fixed on the X-axis protective chain bracket 2. The X-axis protective chain bracket 2 is slidably connected to the X-axis guide rail 4 and fixedly connected to the sampling arm assembly; the X-axis driving mechanism includes a first driving pulley, a first driven pulley arranged on the X-axis guide rail 4, and a first synchronous belt connecting the first driving pulley and the first driven pulley. The first synchronous belt is fixedly connected to the sampling arm assembly, and the first driving pulley is connected to a first driving motor.

[0023] The Y-axis movement mechanism described in this preferred embodiment includes a Y-axis guide rail 6 connected to the X-axis guide rail 4 through a Y-axis protective chain bracket 3, a Y-axis protective chain 7 arranged on the Y-axis guide rail 6, and a Y-axis driving mechanism. Specifically, one end of the Y-axis protective chain 7 is fixed on the Y-axis guide rail 6, and the other end is fixed on the Y-axis protective chain bracket 3. The Y-axis protective chain bracket 3 is fixedly connected to the X-axis guide rail 4 and slidably connected to the Y-axis guide rail 6; the Y-axis driving mechanism includes a second driving pulley, a second driven pulley on the Y-axis guide rail 6, and a second synchronous belt connecting the second driving pulley and the second driven pulley. The second synchronous belt is fixedly connected to the X-axis guide rail, and the second driving pulley is connected to a second driving motor.

[0024] The sampling arm assembly described in this preferred embodiment includes a sampling arm 8 fixedly connected to the X-axis protective chain bracket 2, a sampling needle 9 slidably connected to the sampling arm in the Z-axis direction, and a sampling needle driving mechanism. Specifically, the sampling needle driving mechanism includes a third driving pulley, a third driven pulley installed on the sampling arm 8, and a third synchronous belt connecting the third driving pulley and the third driven pulley. The third driving pulley is connected to a third driving motor.

[0025] The automatic sampling device of the utility model is driven by an X-axis drive mechanism and a Y-axis drive mechanism to realize the movement of the sampling arm assembly in the X-axis direction and the Y-axis direction, and the sampling needle realizes the movement in the Z-axis direction through a sampling needle drive mechanism; the specific working process of the automatic sampling device is as follows: first, the sampling arm assembly moves to the cleaning pool position to clean the sampling needle, then moves to the sampling position to sample through the sampling needle, then moves to the dilution position to dilute the sample, then moves to the 96-well plate position to dilute and mix the diluted sample, and finally returns to the cleaning pool position to clean the sampling needle.

[0026] During the movement, the X-axis protection chain bracket 2 and the X-axis protection chain, and the Y-axis protection chain bracket 3 and the Y-axis protection chain move synchronously. The X-axis protection chain bracket 2 and the Y-axis protection chain bracket 3 reduce the tension of the wire harness on the curved parts of the X-axis protection chain and the Y-axis protection chain, avoiding damage and breakage of the protection chain, extending the service life of the automatic sampling device, and ensuring the normal detection of the fluorescence immunoassay instrument.

[0027] The above-described embodiments are only descriptions of the preferred embodiments of the utility model, and do not limit the scope of the utility model. Without departing from the design spirit of the utility model, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. An automatic sampling device for a fluorescence immunoassay analyzer, comprising a fixed bracket installed on the fluorescence immunoassay analyzer, characterized in that: it further comprises an X-axis movement mechanism slidably connected to the fixed bracket, a Y-axis movement mechanism installed on the X-axis movement mechanism, and a sampling arm assembly fixedly connected to the X-axis movement mechanism in the Z-axis direction; the X-axis movement mechanism is fixedly connected to the sampling arm assembly and the Y-axis movement mechanism through an X-axis protection chain bracket and a Y-axis protection chain bracket respectively.

2. The automatic sampling device for a fluorescence immunoassay analyzer according to claim 1, wherein The X-axis movement mechanism comprises an X-axis guide rail slidably connected to the fixed bracket, an X-axis protection chain arranged on the X-axis guide rail, and an X-axis drive mechanism.

3. The automatic sampling device for a fluorescence immunoassay analyzer according to claim 2, wherein One end of the X-axis protection chain is fixed on the X-axis guide rail, and the other end is fixed on the X-axis protection chain bracket. The X-axis protection chain bracket is slidably connected to the X-axis guide rail and fixedly connected to the sampling arm assembly.

4. The automatic sampling device for a fluorescence immunoassay analyzer according to claim 2, characterized in that, The X-axis drive mechanism comprises a first driving pulley, a first driven pulley arranged on the X-axis guide rail, and a first synchronous belt connecting the first driving pulley and the first driven pulley. The first synchronous belt is fixedly connected to the sampling arm assembly, and the first driving pulley is connected with a first driving motor.

5. The automatic sampling device for a fluorescence immunoassay analyzer according to claim 2, wherein, The Y-axis movement mechanism comprises a Y-axis guide rail connected to the X-axis guide rail through a Y-axis protection chain bracket, a Y-axis protection chain arranged on the Y-axis guide rail, and a Y-axis drive mechanism.

6. The automatic sampling device for a fluorescence immunoassay analyzer according to claim 5, wherein, One end of the Y-axis protection chain is fixed on the Y-axis guide rail, and the other end is fixed on the Y-axis protection chain bracket. The Y-axis protection chain bracket is fixedly connected to the X-axis guide rail and slidably connected to the Y-axis guide rail.

7. The automatic sampling device for a fluorescence immunoassay analyzer according to claim 5, wherein The Y-axis drive mechanism comprises a second driving pulley, a second driven pulley on the Y-axis guide rail, and a second synchronous belt connecting the second driving pulley and the second driven pulley. The second synchronous belt is fixedly connected to the X-axis guide rail, and the second driving pulley is connected with a second driving motor.

8. The automatic sampling device for a fluorescence immunoassay analyzer according to claim 1, characterized in that, The sampling arm assembly comprises a sampling arm fixedly connected to the X-axis protection chain bracket, a sampling needle slidably connected to the sampling arm in the Z-axis direction, and a sampling needle drive mechanism.

9. The automatic sampling device for a fluorescence immunoassay analyzer according to claim 8, wherein, The sampling needle drive mechanism comprises a third driving pulley, a third driven pulley installed on the sampling arm, and a third synchronous belt connecting the third driving pulley and the third driven pulley. The third driving pulley is connected with a third driving motor.

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