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Analyzer cantilever mechanism

An analyzer and cantilever technology, which is applied in the field of automatic analyzer cantilever mechanism, can solve the problems of inaccurate displacement distance, incomprehensible meshing, tooth skipping, etc., and achieve the effects of improving displacement accuracy, improving efficiency, and increasing the number of sampling needles.

Inactive Publication Date: 2017-10-13
SUZHOU HYBIOME BIOMEDICAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the speed of the motor is fast, the meshing of the drive belt and the tooth surface of the drive wheel or the drive wheel may cause tooth jumping, and the meshing is not tight, resulting in inaccurate displacement distance and unguaranteed accuracy of the moving position of the sampling needle.

Method used

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  • Analyzer cantilever mechanism
  • Analyzer cantilever mechanism

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Such as figure 1 and 2 Shown is an embodiment of the analyzer cantilever mechanism of the present invention, which is used in an automatic analyzer for in vitro diagnosis as an automatic moving mechanism for a sampling needle. The cantilever mechanism includes a base axis displacement mechanism. As in this embodiment, the base axis displacement mechanism is an X-axis displacement mechanism 10. The X-axis displacement mechanism 10 includes a cantilever 11, a motor 12 fixed at one end of the cantilever 11, and a transmission system. Wherein, the transmission system includes a driving wheel 13 arranged on the shaft of the motor 12 , a driven wheel 15 arranged at the other end of the cantilever 11 , a transmission belt 14 connecting the driving wheel 13 and the driven wheel 15 , and a pressure wheel structure 16 . The pinch wheel structure 16 includes a wheel shaft 162 and a pinch wheel 161, wherein the pinch wheel 161 is located outside the drive belt 14 of the meshing pa...

Embodiment 2

[0031] When some mechanism only needs to move on a straight line (one dimension), the cantilever mechanism in the above embodiment can only adopt the above-mentioned X-axis displacement structure, omitting the Y-axis and Z-axis displacement mechanisms. When it is necessary to move on a plane (two-dimensional), only the X-axis displacement mechanism and the Y-axis displacement mechanism can be used, and the Z-axis displacement mechanism can be omitted.

Embodiment 3

[0033] Such as figure 1 As shown, in the above-mentioned embodiment, a motor 12 is respectively provided at both ends of the cantilever 11, the two above-mentioned transmission systems respectively matched with the motors 12 at both ends, and the transmission belts 14 corresponding to the two transmission systems respectively The two slide rails 18; the two slide rails 18 and the transmission system are respectively provided with a set of the above-mentioned Y-axis displacement mechanism 20; the above-mentioned Z-axis displacement mechanism 30 is respectively set on the two Y-axis displacement mechanisms 20. That is to say, two sets of displacement mechanisms are arranged on one cantilever 11 at the same time, so that the number of sampling needles working in the analyzer can be increased, and the efficiency of sampling and adding samples can be improved.

[0034] Of course, the number of displacement mechanisms can be set according to actual needs. When the workload is not hi...

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Abstract

The invention relates to the technical field of medical equipment and discloses an analyzer cantilever mechanism. The analyzer cantilever mechanism comprises a basic shaft displacement mechanism, wherein the basic shaft displacement mechanism comprises a cantilever, a motor fixed at one end of the cantilever and a transmission system; the transmission system comprises a driving wheel arranged on a motor shaft, a driven wheel arranged at the other end of the cantilever and a transmission belt for connecting the driving wheel and the driven wheel; the transmission system further comprises a pressing wheel structure; the pressing wheel structure comprises a wheel shaft and a pressing wheel; the pressing wheel is located outside a part of the transmission belt where the transmission belt is engaged with the driving wheel. According to the analyzer cantilever mechanism disclosed by the invention, the pressing wheel structure is arranged nearby the part of the transmission belt where the transmission belt is engaged with the driving wheel, so that the problems that the transmission belt and the driving wheel have a slippage phenomenon in a driving process and a driving distance is not accurate and the like are effectively prevented and the displacement precision of a sampling needle and the like is improved.

Description

technical field [0001] The invention belongs to the technical field of medical devices and relates to a cantilever mechanism of an automatic analyzer for in vitro diagnosis. Background technique [0002] At present, in vitro diagnosis, the most widely used diagnostic method in the medical field, refers to collecting body fluids, excreta, and secretions of the human body for chemical composition or chemical reaction analysis, so as to judge human diseases. Such as chemiluminescence analysis, molecular diagnostics, etc. These diagnostic methods all use automatic or semi-automatic instruments to add samples, analyze them, and give diagnostic reports. [0003] In the process of automatic analysis, it is necessary to set up a displacement system capable of precise positioning, especially in the process of sampling and loading, it is necessary to accurately find the position of the sample or reagent box for sampling and loading. [0004] Most of the existing analyzers use the dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N35/10
CPCG01N35/1009
Inventor 程思奇吴冬郭金龙
Owner SUZHOU HYBIOME BIOMEDICAL ENG CO LTD