CN216926563U

CN216926563U - Constant temperature reaction device

Info

Publication number: CN216926563U
Application number: CN202122664451.3U
Authority: CN
Inventors: 尹汉维; 周根; 尤威
Original assignee: KEAISE MEDICINE WUHAN CORP
Current assignee: KEAISE MEDICINE WUHAN CORP
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-07-08
Anticipated expiration: 2031-11-02

Abstract

A constant temperature reaction device comprises a reaction cup bracket, a reaction disc, a plastic reaction cup and a driving device, wherein an output shaft of the driving device is connected with the central position of the reaction disc; the reaction disc is disc-shaped, a central hole is formed in the center of the reaction disc, fixing holes are arranged in an annular array mode around the central hole, an installation groove is formed in the edge of the reaction disc, and an annular grating is arranged on the inner ring of the installation groove. Through grating output control signal, control drive arrangement's start-up and stop, and then the plastics reaction cup on the accurate control reaction dish can both stop at the position of getting the sample mouth at every turn, convenient quick sample of placing. The plastic reaction cup is detachably arranged on the reaction cup bracket, so that the plastic reaction cup is convenient to replace.

Description

Constant temperature reaction device

Technical Field

The utility model relates to the technical field of medical detection, in particular to a constant-temperature reaction device.

Background

The full-automatic biochemical analyzer is an instrument for measuring a certain specific chemical component in body fluid according to the photoelectric colorimetric principle, is mainly used in hospitals at all levels and epidemic prevention stations, and comprises a biochemical analyzer, a constant temperature system, a sample reaction stirring mechanism, a probe mechanism and a sample disk driving mechanism. Generally, a plurality of reaction cups are arranged in a biochemical analyzer, and a reagent sample to be detected is filled in each reaction cup, so that when a plurality of samples are processed, the position control is not accurate, the detection efficiency is easily influenced, and even the detection result is disordered. A plurality of reaction cups are installed singly, so that the reaction cups are troublesome to use and low in efficiency; when the integral design is adopted, the defective rate is easily caused due to the complex structure, and the use cost is higher as a consumable.

SUMMERY OF THE UTILITY MODEL

Based on the above description, the utility model provides a constant temperature reaction device, which aims to solve the problem that the existing biochemical analyzer is inaccurate in measurement and is high in use cost.

The technical scheme for solving the technical problems is as follows:

a constant temperature reaction device comprises a reaction cup bracket, a reaction disc, a plastic reaction cup and a driving device, wherein an output shaft of the driving device is connected with the central position of the reaction disc; the reaction disc is disc-shaped, a central hole is formed in the center of the reaction disc, fixing holes are arranged in an annular array mode around the central hole, an installation groove is formed in the edge position of the reaction disc, and an annular grating is arranged on the inner ring of the installation groove. Through grating output control signal, control drive arrangement's start-up and stop, and then the plastics reaction cup on the accurate control reaction dish can both stop at the position of getting the sample mouth at every turn, convenient quick sample of placing. The plastic reaction cup is detachably arranged on the reaction cup bracket, so that the plastic reaction cup is convenient to replace.

Preferably, the plastic reaction cup is circular and is formed by splicing a plurality of circular arc-shaped reaction cup modules. Through designing into several reaction cup modules with the plastics reaction cup, the dismouting of the plastics reaction cup of being convenient for is convenient for carry out local the change to partial bad reaction cup module.

Preferably, the reaction cup module is formed by connecting a plurality of cup units, a clamping block is arranged in the middle of the arc-shaped reaction cup module, and a cup inner cavity is arranged in each cup unit. A plurality of cup units are arranged in each reaction cup module, so that the cup units can be integrally and quickly installed conveniently.

Preferably, the cup unit is made of quartz glass or hard glass. The detection result precision is high, and the service cycle is long.

Preferably, the driving device comprises a servo motor and a motor bracket for mounting the servo motor. Adopt servo motor drive for the plastic reaction cup stops the position more accurate.

Preferably, the driving device further comprises a synchronous belt, a driving shaft and a large belt wheel, the large belt wheel is fixedly mounted on the driving shaft, the driving shaft is mounted on the reaction disc, and the synchronous belt is used for connecting the small belt wheel and the large belt wheel on the servo motor. Through setting up the hold-in range, can reduce rotational speed, reduce inside impact, increase plastics reaction cup stop position precision.

Preferably, the reaction cup bracket is circular and is formed by splicing a plurality of circular arc bracket modules. And the module design is adopted, so that the defective rate of production is reduced.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects: the application relates to a constant temperature reaction device, which can increase the detection speed and the detection precision. Reducing installation and use costs. Through the grating control drive, adopt servo motor drive and big or small synchronous pulley's cooperation, can greatly increased plastics reaction cup stop the precision to increase the efficiency of test. Through the modularized design of the plastic reaction cups and the reaction cup brackets, the defective rate of production is reduced, and the use and the maintenance are convenient.

Drawings

FIG. 1 is a schematic view of the structure of a reaction apparatus according to the present invention;

FIG. 2 is an exploded view of a reaction apparatus according to the present invention;

FIG. 3 is a schematic structural view of a reaction disk according to the present invention;

FIG. 4 is a schematic structural view of a reaction cup module according to the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a reaction cup holder; 2. a reaction disc; 3. a plastic reaction cup; 4. a drive device; 12. a cradle module; 21. a central bore; 22. a fixing hole; 23. mounting grooves; 24. a grating; 30. a reaction cup module; 31. A cup unit; 32. a clamping block; 33. an inner cavity of the cup; 41. a motor bracket; 42. a servo motor; 43. a synchronous belt; 44. a drive shaft; 45. a large belt pulley; 46. and (7) fixing the disc.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In this embodiment, as shown in fig. 1, 2, and 3. A constant temperature reaction device comprises a reaction cup bracket 1, a reaction disc 2, a plastic reaction cup 3 and a driving device 4, wherein an output shaft of the driving device 4 is connected with the central position of the reaction disc 2, the reaction cup bracket 1 is fixedly arranged on the reaction disc 2, and the plastic reaction cup 3 is detachably arranged on the reaction cup bracket 1; the reaction disc 2 is disc-shaped, a central hole 21 is arranged at the central position, fixing holes 22 are arranged around the central hole 21 in an annular array mode, an installation groove 23 is arranged at the edge position of the reaction disc 2, and an annular grating 24 is arranged on the inner ring of the installation groove 23. The full-automatic biochemical analyzer is an instrument for measuring a certain specific chemical component in body fluid according to the photoelectric colorimetric principle, is mainly used in hospitals at all levels and epidemic prevention stations, and comprises a biochemical analyzer, a constant temperature system, a sample reaction stirring mechanism and a probe mechanism. Wherein the plastic reaction cup 3 is used for accommodating a sample, the reaction plate 2 is used for fixedly mounting the reaction cup bracket 1 of the plastic reaction cup 3, and the driving device 4 is used for driving the reaction plate 2 and the plastic reaction cup 3 to rotate. The driving device 4 is fixed in the housing of the biochemical analyzer through bolts. The reaction disk 2 is provided with a central opening 21 for a fixed connection to a drive shaft 44 of the drive device 4. The reaction disc 2 is also provided with a fixing hole 22, and the reaction cup brackets 1 which are spliced in a modularized mode are installed on the fixing hole 22 of the reaction disc 2 through bolts. The reaction disk 2 is provided with an arc-shaped mounting groove 23 near the edge, and the bracket module 12 on the reaction cup bracket 1 passes through the mounting groove 23.

In this embodiment, as shown in fig. 2 and 4. The plastic reaction cup 3 is circular and is formed by splicing a plurality of arc-shaped reaction cup modules 30. The plastic reaction cup 3 is composed of a plurality of arc-shaped reaction cup modules 30, and is convenient to mount and dismount. For local damage, the local reaction cup module 30 can be directly replaced, and the use and maintenance cost is greatly reduced. The reaction cup module 30 is formed by connecting a plurality of cup units 31, a clamping block 32 is arranged in the middle of the arc-shaped reaction cup module 30, and a cup inner cavity 33 is arranged in each cup unit 31. Each reaction cup module 30 contains a plurality of cup units 31, and the cup units 31 are connected into a whole through arc metal plates at the tops, so that the reaction cup module is convenient to install and use, and the trouble of installing the cup units 31 one by one is avoided. The inner cavity 33 of the cup unit 31 is used for containing patterns, and the cup wall of the cup unit 31 is transparent. The cup unit 31 is made of quartz glass or hard glass. The cup unit 31 is made of transparent materials, so that color comparison can be conveniently carried out on light rays. The quartz glass or the hard glass is adopted, so that the service life is long, and the light transmission is good.

In this embodiment, as shown in fig. 2. The driving device 4 comprises a servo motor 42 and a motor bracket 41 for mounting the servo motor 42. The servo motor 42 is used for driving the cuvette holder 1, the reaction disk 2 and the plastic cuvette 3 to rotate together, and further colorimetric the reagents in the respective cuvette units 31 one by one. The servo motor 42 can precisely control the rotation angle of the reaction disk 2 and the stop position of each cup unit 31, so that each cup unit 31 can sequentially face the reagent sampling port. The driving device 4 further comprises a synchronous belt 43, a driving shaft 44 and a large belt wheel 45, the large belt wheel 45 is fixedly installed on the driving shaft 44, the driving shaft 44 is installed on the reaction disc 2, and the synchronous belt 43 is used for connecting the small belt wheel and the large belt wheel 45 on the servo motor 42. The drive device is provided with a timing belt 43, and a small pulley on the output shaft of the servo motor 42 drives a large pulley 45 on the drive shaft 44 to rotate. The rotation speed can be reduced, and the impact of the cup unit 31 can be reduced. The running accuracy of the cup unit 31 can be improved, so that the cup unit 31 can stop the position of the reagent sampling port more accurately. The tail of the driving shaft 44 is also provided with a fixed disc 46 for fixing the large belt wheel 45 and the driving shaft 44. The tail of drive shaft 44 sets up the smaller polished rod of diameter, and fixed disk 46 corresponds and sets up less central fixed orifices, and fixed disk 46 and big band pulley 45 pass through the bolt fastening to make big band pulley 45 operate more steadily, avoid appearing jumping from top to bottom.

In this embodiment, as shown in fig. 2. The reaction cup bracket 1 is in a ring shape and is formed by splicing a plurality of arc-shaped bracket modules 12. A plurality of cup holes are formed in the bracket module 12 and used for accommodating the cup units 31, and a light through hole is formed in each cup hole close to the bottom and penetrates through the inner side and the outer side of each cup hole. When the cup unit 31 is inserted into the cup hole, the liquid in the cup unit 31 can be colorimetrically measured through the light-passing hole.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A constant temperature reaction device is characterized by comprising a reaction cup bracket (1), a reaction disc (2), a plastic reaction cup (3) and a driving device (4), wherein an output shaft of the driving device (4) is connected with the central position of the reaction disc (2), the reaction cup bracket (1) is fixedly arranged on the reaction disc (2), and the plastic reaction cup (3) is detachably arranged on the reaction cup bracket (1); the reaction disc (2) is disc-shaped, a central hole (21) is formed in the center of the reaction disc, fixing holes (22) are arranged in an annular array mode around the central hole (21), an installation groove (23) is formed in the edge position of the reaction disc (2), and an annular grating (24) is arranged on the inner ring of the installation groove (23).

2. A thermostatic reaction device according to claim 1 characterised in that the plastic reaction cup (3) is circular and is made up of several circular arc shaped reaction cup modules (30) joined together.

3. The thermostatic reaction device according to claim 2, characterized in that the reaction cup module (30) is composed of a plurality of cup units (31) which are connected, a clamping block (32) is arranged at the middle position of the arc-shaped reaction cup module (30), and a cup inner cavity (33) is arranged in the cup unit (31).

4. A thermostatic reaction device according to claim 3 characterised in that the cup unit (31) is of quartz glass or hard glass.

5. A thermostatic reaction device according to claim 1 characterised in that the drive means (4) includes a servo motor (42) and a motor mount (41) for mounting the servo motor (42).

6. A thermostatic reaction device according to claim 5, characterized in that the drive device (4) further comprises a synchronous belt (43), a drive shaft (44), and a large pulley (45), the large pulley (45) is fixedly installed on the drive shaft (44), the drive shaft (44) is installed on the reaction disk (2), and the synchronous belt (43) is used for connecting the small pulley and the large pulley (45) on the servo motor (42).

7. A thermostatic reaction device according to claim 1 characterised in that the reaction cup holder (1) is circular in shape and is assembled from a plurality of circular arc shaped holder modules (12).