CN217505888U - Reaction cup cleaning module for full-automatic biochemical analyzer - Google Patents

Abstract

The utility model discloses a reaction cup cleaning module for a full-automatic biochemical analyzer, which is used for cleaning a reaction cup and comprises a cleaning needle assembly, wherein the cleaning needle assembly is provided with at least one cleaning needle group and a wiping head, and the cleaning needle group comprises a liquid inlet needle and a liquid discharge needle; the cleaning needle assembly is connected with the cleaning needle moving support rod, and the cleaning needle up-and-down moving assembly drives the cleaning needle assembly to move up and down through the cleaning needle moving support rod. The reaction cup is a non-disposable consumable material which can be repeatedly used after being cleaned, and the reaction cup is cleaned by the up-and-down movement of the cleaning needle; the cleaning needle group cleans the reaction cup, and the wiping head wipes the reaction cup; through washing needle group and one clean head, degree of automation is high, cleans after the washing again, washs completely.

Description

Reaction cup cleaning module for full-automatic biochemical analyzer

Technical Field

The utility model belongs to the technical field of biochemical analysis detects, especially, relate to a reaction cup cleaning module for full-automatic biochemical analysis appearance.

Background

Biochemical analyzers, also commonly referred to as biochemics, are instruments that use the principle of optoelectric colorimetry to measure a particular chemical component in a body fluid. Because of its fast measuring speed, high accuracy and small reagent consumption, it is widely used in hospitals, epidemic prevention stations and family planning service stations. The efficiency and the income of the conventional biochemical test can be greatly improved by matching the use.

Since the first full-automatic biochemical analyzer in the world was successfully produced by the U.S. Technicon corporation in 1957, the full-automatic biochemical analyzers with different models and functions are emerging continuously, which is a very important step for the automation of clinical biochemical tests in hospitals. Since the first introduction of the principle of a clinical biochemical analyzer in skeggs in the 50 s, along with the development of scientific technology, especially medical science, various biochemical automatic analyzers and diagnostic reagents have been developed greatly, and according to the structural principle of the analyzer, the analyzer can be divided into: continuous flow (pipeline), discrete, separated and dry sheet.

Chinese patent document CN110208559A discloses a biochemical analyzer, which includes a frame, a detection mechanism for detecting a sample, a sample transfer mechanism for loading the sample onto the detection mechanism, and a reagent loading mechanism for adding a reaction reagent into the detection mechanism; the sample conveying mechanism comprises a test tube rack, a conveying frame, a feeding area for feeding, a material taking area for the detection mechanism to absorb materials in the test tube, a discharging area for discharging and a material moving device for moving the test tube rack; the feeding area, the blanking area, the material taking area and the material moving device are all arranged on the rack; the upper reagent mechanism comprises a reagent cylinder which is rotationally connected with the rack, a plurality of reagent boxes which are arranged on the reagent cylinder, a reagent rotating device which enables the reagent cylinder to rotate, and an upper reagent device which is used for feeding the reagents in the reagent boxes to the detection mechanism; the detection mechanism comprises a reaction disc rotatably connected with the rack, a plurality of reaction cups arranged on the reaction disc, a reaction rotating device for rotating the reaction disc, a stirring device for stirring samples in the reaction cups, an optical detection device for detecting the samples stirred by the stirring device and a cleaning device for cleaning the reaction cups; the rotating device, the stirring device, the optical detection device and the cleaning device are all arranged on the rack.

The cleaning device of the technical scheme has unsatisfactory effect in the actual use process, and especially the cleaning structure mode and the cleaning operation mode cannot adapt to full automation and are not completely cleaned.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a reaction cup cleaning module for full-automatic biochemical analyzer, through wasing needle group and one and clean the head, degree of automation is high, cleans after wasing again, washs completely.

In order to solve the technical problem, the utility model adopts the technical scheme that the reaction cup cleaning module for the full-automatic biochemical analyzer is used for cleaning the reaction cup, and comprises a cleaning needle assembly, wherein the cleaning needle assembly is provided with at least one cleaning needle group and a cleaning head, and the cleaning needle group comprises a liquid inlet needle and a liquid discharge needle; the cleaning needle assembly is connected with the cleaning needle moving support rod, and the cleaning needle up-and-down moving assembly drives the cleaning needle assembly to move up and down through the cleaning needle moving support rod.

The reaction cup is a non-disposable consumable material which can be repeatedly used after being cleaned, and the reaction cup is cleaned by the up-and-down movement of the cleaning needle; the cleaning needle group cleans the reaction cup, and the wiping head wipes the reaction cup.

Preferably, the cleaning needle up-and-down movement assembly comprises a cleaning needle up-and-down movement motor, the cleaning needle up-and-down movement motor drives a motor shaft connecting rod to rotate, and a connecting rod sliding block is connected to the motor shaft connecting rod; the connecting rod sliding block moves left and right in the sliding groove of the sliding groove block to drive the cleaning needle to move the supporting rod to move up and down; the cleaning needle moving support rod is connected with the sliding groove block, and a cleaning needle moving spring is arranged below the sliding groove block on the cleaning needle moving support rod.

Set up and wash needle motion spring, when preventing that the machine is out of control, wash the needle whereabouts and cause the needle damage.

Preferably, the wiping head is provided with a wiping head groove, and the wiping head groove is clamped with the limiting bolt, so that the wiping head is connected with the wiping head rod; the bottom surface of the wiping head is provided with a groove pipeline.

When the wiping head is pressed down into the reaction cup, residual liquid in the reaction cup enters the groove pipeline, the reaction cup is wiped completely, the next detection is to be used, and the reaction cup can be cleaned and wiped repeatedly before the next detection.

Preferably, the cleaning needle assembly further comprises a cleaning needle assembly bracket, and the cleaning needle assembly is connected below the cleaning needle assembly bracket; a cleaning needle spring seat is arranged on the cleaning needle assembly support, a cleaning needle spring is arranged on the cleaning needle spring seat, and a cleaning needle fixing head is arranged above the cleaning needle spring; the cleaning needle set, the cleaning needle spring seat and the cleaning needle fixing head are assembled to form an integrated cleaning needle set, the integrated cleaning needle set is in non-fixed connection with the cleaning needle assembly support, and the cleaning needle spring is sleeved on the integrated cleaning needle set.

The cleaning needle spring can protect the needle and prevent the needle head from being damaged by falling excessively and accidentally.

Drawings

The following is a more detailed description of embodiments of the present invention with reference to the accompanying drawings:

FIG. 1 is a schematic structural diagram I of a reaction cup cleaning module for a full-automatic biochemical analyzer according to the present invention;

FIG. 2 is a schematic structural diagram of a reaction cup cleaning module for a full-automatic biochemical analyzer according to the present invention;

FIG. 3 is a schematic diagram showing a partially enlarged structure of a cleaning needle set in the reaction cup cleaning module;

FIG. 4 is a schematic diagram of the structure of the wiping head in the cuvette washing module;

FIG. 5 is a schematic view showing the structure of the washing needle assembly in the cuvette washing module;

FIG. 6 is a schematic view of the overall structure of a fully automatic biochemical analyzer;

FIG. 7 is a schematic top view of the fully automatic biochemical analyzer of FIG. 6;

FIG. 8 is a schematic diagram of the cleaning action performed by the cuvette cleaning module;

wherein: 1-sample introduction module; 2-a sample filling module; 3-a reagent filling module; 4-stirring and uniformly mixing the mixture; 5-a reaction and detection module; 6-reaction cup cleaning module; 601-cleaning needle assembly, 60101-cleaning needle set, 60102-wiping head, 60103-liquid inlet needle, 60104-liquid discharge needle, 60105-wiping head groove, 60106-limit bolt, 60107-groove pipeline, 60108-cleaning needle assembly support, 60109-cleaning needle spring seat, 601010-cleaning needle spring, 601011-cleaning needle fixing head, 601012-wiping head rod, 602-cleaning needle movement supporting rod, 603-cleaning needle up-and-down movement assembly, 60301-cleaning needle up-and-down movement motor, 60302-motor shaft connecting rod, 60303-connecting rod sliding block, 60304-sliding groove block and 60305-cleaning needle movement spring; 7-a base; 8-reaction cup; 9-sample code scanning device.

Detailed Description

As shown in fig. 6 and 7, the full-automatic biochemical analyzer comprises a sample introduction module 1, a sample filling module 2, a reagent filling module 3, a reaction and detection module 5, a stirring and mixing module 4 and a reaction cup cleaning module 6; the sample filling module 2, the reagent filling module 3, the reaction and detection module 5, the stirring and uniformly mixing module 4 and the reaction cup cleaning module 6 are all arranged on the base 7; the sample injection module 1 conveys a sample to be detected to a preset sampling position, when the full-automatic biochemical analyzer is used for detecting according to the requirement of the sample to be detected, the sample injection module 1 conveys the sample to be detected to the preset sampling position matched with the full-automatic biochemical analyzer, and the sample to be detected is transferred to the reaction and detection module 5 for detection through the sample injection module 2; the reagent filling module 3 is used for filling a reagent into a sample to be detected, the stirring and mixing module 4 is used for stirring and mixing the sample to be detected and the reagent, and the reaction cup cleaning module 6 is used for cleaning the reaction cup 8.

The reaction cup cleaning module 6 and the stirring and uniformly mixing module 4 are arranged around the reaction and detection module 5; the sample filling module 2 is arranged on the side surface of the sample injection module 1, and the sample filling module 2 and the reagent filling module 3 are both positioned on the side surface of the reaction and detection module 5; the full-automatic biochemical analyzer of this embodiment is still including the sample sweep a yard device 9, and the sample sweeps a yard device 9 and is located sample filling module 2 side, and the sample sweeps a yard device 9 and is responsible for sweeping the sign indicating number automatically to bar code on the sample tube, inputs sample information.

The full-automatic biochemical analyzer is provided with an operation screen which is a 10-inch display touch screen and can be externally connected with a keyboard and a mouse; the touch screen can be displayed to carry out operation control and information input on the instrument, and meanwhile, information such as a detection result, a curve and an instrument state can be checked.

The reaction cup cleaning module 6 comprises a cleaning needle assembly 601, as shown in fig. 1-5, the cleaning needle assembly 601 has at least one cleaning needle set 60101 and a wiping head 60102, and the cleaning needle set 60101 includes a liquid inlet needle 60102 and a liquid outlet needle 60103; the cleaning needle assembly 601 is connected to a cleaning needle moving rod 602, and the cleaning needle assembly 601 is driven by a cleaning needle up-and-down moving assembly 603 through the cleaning needle moving rod 602 to move up and down.

The cleaning needle up-and-down motion assembly 603 comprises a cleaning needle up-and-down motion motor 60301, the cleaning needle up-and-down motion motor 60301 drives a motor shaft connecting rod 60302 to rotate, and a connecting rod sliding block 60303 is connected to the motor shaft connecting rod 60302; the connecting rod sliding block 60303 moves left and right in a sliding groove of the sliding groove block 60304 to drive the cleaning needle moving support rod 602 to move up and down; the cleaning pin movement strut 602 is connected to the sliding channel block 60304, and the cleaning pin movement strut 602 is provided with a cleaning pin movement spring 60305 below the sliding channel block 60304, as shown in fig. 1 and 2.

The wiping head 60102 is provided with a wiping head groove 60105, the wiping head groove 60105 and a limit bolt 60106 are clamped, so that the wiping head 60102 is connected with the wiping head rod 601012; a conduit 60107 is recessed in the bottom of the wiping head 60102, as shown in fig. 4.

The cleaning needle assembly 601 further comprises a cleaning needle assembly holder 60108, as shown in fig. 5, a cleaning needle assembly 60101 is connected below the cleaning needle assembly holder 60108; a cleaning needle spring seat 60109 is arranged on the cleaning needle assembly support 60108, a cleaning needle spring 601010 is arranged on the cleaning needle spring seat 60109, and a cleaning needle fixing head 601011 is arranged above the cleaning needle spring 601010; a cleaning needle group 60101, a cleaning needle spring seat 60109 and a cleaning needle fixing head 601011 are assembled to form an integrated cleaning needle group, the integrated cleaning needle group is in non-fixed connection with a cleaning needle assembly bracket 60108, and a cleaning needle spring 601010 is sleeved on the integrated cleaning needle group; the cleaning needle assembly 601 of this embodiment has 3 cleaning needle sets 60101 and 1 wiping head 60102 (transmission manner is a link structure), wherein each cleaning needle set 60101 has a liquid inlet needle 60102 and a liquid discharge needle 60103.

The reaction cup cleaning module 6 realizes the functions of sucking away the reaction liquid after the reaction is finished, cleaning the reaction cup, and adding and sucking away pure water for testing cup blanks; in this embodiment, as shown in fig. 8, the cuvette 8 is cleaned by the cleaning needle assembly 601, and 8 processes are required for cleaning (two times for each needle), and thus, one cuvette needs to go through 8 steps to complete cleaning.

The foregoing illustrates and describes the general principles, features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A reaction cup cleaning module for a full-automatic biochemical analyzer is used for cleaning a reaction cup and is characterized by comprising a cleaning needle assembly, wherein the cleaning needle assembly is provided with at least one cleaning needle group and a wiping head, and the cleaning needle group comprises a liquid inlet needle and a liquid outlet needle; the cleaning needle assembly is connected with the cleaning needle moving support rod, and the cleaning needle up-and-down moving assembly drives the cleaning needle assembly to move up and down through the cleaning needle moving support rod.

2. The cuvette cleaning module according to claim 1, wherein the cleaning pin up-and-down movement assembly comprises a cleaning pin up-and-down movement motor, the cleaning pin up-and-down movement motor drives a motor shaft connecting rod to rotate, and a connecting rod sliding block is connected to the motor shaft connecting rod; the connecting rod sliding block moves left and right in the sliding groove of the sliding groove block to drive the cleaning needle to move the supporting rod to move up and down; the cleaning needle moving support rod is connected with the sliding groove block, and a cleaning needle moving spring is arranged below the sliding groove block on the cleaning needle moving support rod.

3. The reaction cup cleaning module for a full-automatic biochemical analyzer according to claim 1, wherein the wiping head has a wiping head groove, and the wiping head groove is engaged with a stopper pin so that the wiping head is connected with a wiping head rod; the bottom surface of the wiping head is provided with a groove pipeline.

4. The cuvette washing module for a fully automatic biochemical analyzer according to claim 1, wherein the washing needle assembly further comprises a washing needle assembly holder, the washing needle assembly is connected below the washing needle assembly holder; a cleaning needle spring seat is arranged on the cleaning needle assembly support, a cleaning needle spring is arranged on the cleaning needle spring seat, and a cleaning needle fixing head is arranged above the cleaning needle spring; the cleaning needle set, the cleaning needle spring seat and the cleaning needle fixing head are assembled to form an integrated cleaning needle set, the integrated cleaning needle set is in non-fixed connection with the cleaning needle assembly support, and the cleaning needle spring is sleeved on the integrated cleaning needle set.

5. The cuvette washing module for a fully automatic biochemical analyzer according to any one of claims 1 to 4, wherein the washing needle assembly includes three washing needle groups and one wiping head.

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