CN218788042U - Cuvette chain group, reaction disc and sample analyzer - Google Patents

Abstract

The utility model discloses a cell chain group, reaction disc and sample analysis appearance, cell chain group is including cell group and connecting plate, cell group is including the cell monomer that a plurality of intervals set up, the cell monomer includes interconnect's first cup and second cup, the cell monomer is formed with the holding tank, the one end that first cup was kept away from to the second cup is connected with the connecting plate, the through-hole with the holding tank intercommunication is seted up to the connecting plate, the wall of first cup is the printing opacity face, cell chain group injection moulding finished piece as an organic whole. The colorimetric cup chain group formed by integral injection molding has higher consistency, and the position degree and the flatness are easy to control, so that the detection accuracy and consistency are ensured; meanwhile, the average cost is several times lower than that of the traditional single cuvette, and the influence of scratch, assembly error and the like on the accuracy of the detection result when the cuvette is assembled with the cup holder is avoided. The cuvette chain set has the advantages of low manufacturing cost and high detection accuracy and consistency.

Description

Cuvette chain group, reaction disc and sample analyzer

Technical Field

The utility model relates to a biochemical analysis instrument technical field especially relates to a cell chain group, reaction disc and sample analysis appearance.

Background

A cuvette for detecting special serum proteins and the like on a biochemical analyzer is an important component of a turbidimetry detection system of the biochemical analyzer and is a place for detecting reaction. The cuvette with high quality is the guarantee of high-precision measurement.

Most of the cuvettes used on biochemical instruments are quartz or plastic cuvettes which are clamped on the combined cup holder, and a single cup is fixed by a clamping groove in the combined cup holder. The single quartz cuvette or the plastic cuvette with the same number of sample positions is higher in price after being clamped and connected with the combined cup holder, and when the single cuvette is assembled with the combined cup holder, the optical detection area of the cup body is easy to scratch, so that the detection accuracy is reduced; meanwhile, the assembly error of a single cuvette when being assembled on the cup holder can also cause poor consistency of an optical detection area, and the detection result is influenced.

In view of the above, there is a need for a new cuvette chain set, reaction tray and sample analyzer, which solves or at least alleviates the above technical drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cell chain group, reaction disc and sample analysis appearance aims at solving manufacturing cost height, easy fish tail cup optical detection region and easily receives the technical problem that assembly error influences the testing result among the prior art.

In order to realize the above object, according to an aspect of the utility model, the utility model provides a cell chain group, it includes cell group and connecting plate, the cell group includes the cell monomer that a plurality of intervals set up, the cell monomer includes interconnect's first cup and second cup, the cell monomer is formed with the holding tank, the second cup is kept away from the one end of first cup with the connecting plate is connected, the connecting plate seted up with the through-hole of holding tank intercommunication, the wall of first cup is the printing opacity face, cell chain group is integrative injection moulding finished piece.

In one embodiment, the number of the cuvette sets is at least two, and the at least two cuvette sets comprise a first cuvette chain and a second cuvette chain which are oppositely arranged; the first cup chain comprises a plurality of the cuvette monomers arranged at intervals, the second cup chain comprises a plurality of the cuvette monomers arranged at intervals, and the first cup chain and the second cup chain are both arc-shaped.

In an embodiment, a positioning column is disposed on one side of the connecting plate close to the cuvette unit, the positioning column is used for positioning in cooperation with a positioning hole formed in the reaction disk, and a mounting hole is further formed in the connecting plate.

In one embodiment, a plurality of clearance grooves are formed in one side of the connecting plate, which faces away from the cuvette unit.

In one embodiment, a chamfer structure is arranged at the joint of the through hole and the upper surface of the connecting plate.

In one embodiment, the first cup has a height of 9mm to 11mm, and the second cup has a height of 14mm to 16mm.

In one embodiment, the roughness of the inner wall of the accommodating groove is Ra0.05-Ra0.10.

According to the utility model discloses a further aspect, the utility model discloses still provide a reaction disc, the reaction disc includes above-mentioned arbitrary cell chain group, still includes the disk body, the disk body is offered and is used for holding the groove group of cell group.

In one embodiment, the number of cuvette chain sets is multiple, the connecting plate is fan-shaped, and the cuvette chain sets are distributed circumferentially around the tray body.

In an embodiment, the reaction tray further comprises an optical assembly disposed towards the first cup for detecting the mixture of sample and reagent within the cuvette unit.

According to another aspect of the present invention, the present invention further provides a sample analyzer, which comprises any one of the reaction trays, a reagent tray, a pipetting module and a rack; the reagent tray, the reaction tray and the pipetting module are all arranged on the rack, and the reagent tray is used for bearing reagents required by the reaction; the liquid-transfering module is used for transferring the reagent into the cuvette monomer in the reaction tray.

The above technical scheme of the utility model, cell chain group is including cell group and connecting plate, and cell group is including the cell monomer that a plurality of intervals set up, and the cell monomer includes interconnect's first cup and second cup, and the cell monomer is formed with the holding tank, and the one end that first cup was kept away from to the second cup is connected with the connecting plate, and the through-hole that communicates with the holding tank is seted up to the connecting plate, and the wall of first cup is the printing opacity face, and cell chain group is integrative injection moulding finished piece. The containing groove is used for containing a sample and a reagent for detection, the bottom of the containing groove is arranged on the first cup body, the sample or the reagent is added into the containing groove from the through hole, the optical detection instrument detects a chemical reaction generated in the containing groove through the transparent first cup body, and the colorimetric cup chain group formed by integral injection molding has relatively high consistency and is easy to control in position and flatness, so that the accuracy and the consistency of detection are ensured; meanwhile, the average cost is several times lower than that of the traditional single cuvette, and the influence of scratch, assembly error and the like on the accuracy of the detection result when the cuvette is assembled with the cup holder is avoided. The utility model discloses a have low in manufacturing cost, the accuracy and the high advantage of uniformity of detection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a cuvette chain set according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of another viewing angle of the cuvette chain set according to the embodiment of the present invention;

figure 3 is a side view of a cuvette chain set according to an embodiment of the invention;

fig. 4 is a top view of a cuvette chain set according to an embodiment of the present invention;

FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 4;

figure 6 is a partial cross sectional view of a cuvette chain set according to an embodiment of the invention;

fig. 7 is a schematic perspective view of a tray body and a cuvette chain set according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view taken at one point in FIG. 7;

FIG. 9 is a cross-sectional view of another point in FIG. 7;

fig. 10 is a schematic perspective view of a reaction plate according to an embodiment of the present invention.

The reference numbers illustrate:

the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two groups, e.g., two groups, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two or more elements or in the interaction of two or more elements, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.

Please refer to fig. 1-5, according to an aspect of the utility model, the utility model provides a cuvette chain group 100, it includes cuvette group 1 and connecting plate 2, cuvette group 1 includes cuvette monomer 10 that a plurality of intervals set up, cuvette monomer 10 includes interconnect's first cup 101 and second cup 102, cuvette monomer 10 is formed with holding tank 103, the one end that first cup 101 was kept away from to second cup 102 is connected with connecting plate 2, connecting plate 2 sets up the through-hole 25 with holding tank 103 intercommunication, the wall of first cup 101 is the printing opacity face, cuvette chain group 100 is integrative injection moulding finished piece.

In the above embodiment, the accommodating groove 103 is used for accommodating a sample and a reagent for detection, the bottom 1031 of the accommodating groove is disposed on the first cup 101, the sample or the reagent is added into the accommodating groove 103 from the through hole 25, the optical detection instrument detects a chemical reaction generated in the accommodating groove 103 through the transparent first cup 101, and the cuvette chain set 100 formed by integral injection molding has relatively high consistency and easily controlled position and flatness, so as to ensure the accuracy and consistency of detection; meanwhile, the average cost is several times lower than that of the traditional single cuvette, and the influence of scratch, assembly error and the like on the accuracy of the detection result when the cuvette is assembled with the cup holder is avoided. The embodiment has the advantages of low manufacturing cost and high detection accuracy and consistency. The height of the first cup 101 (i.e. the light transmission area) is 9 mm-11 mm, specifically 10mm, so as to adapt to the size of the detection lens; the height of the second cup 102 is 14mm to 16mm, specifically 15mm, the second cup 102 may be a light-transmitting area or a light-absorbing area, and when the second cup 102 is set as the light-absorbing area (i.e., a non-light-transmitting area), it can be effectively avoided that a light source reflected or refracted by the second cup 102 interferes with a detection result in the first cup 101 during turbidimetry, wherein the light transmittance of the first cup 101 can reach 60% to 90%.

Referring to fig. 1 to 5, in an embodiment, the number of the cuvette sets 1 is at least two, and at least two sets of cuvette sets 1 include a first cuvette chain 11 and a second cuvette chain 12 which are oppositely arranged; first cup chain 11 includes the cell 10 of a plurality of intervals settings, and second cup chain 12 includes the cell 10 of a plurality of intervals settings, and first cup chain 11 all is the circular arc type with second cup chain 12. The number of the cuvette units 10 of the first cup chain 11 and the number of the cuvette units 10 of the second cup chain 12 can be the same or different, when a sample is detected, the first cup chain 11 and the second cup chain 12 can be detected simultaneously, the time sequence requirement of detection is met, the detection efficiency is higher, and the first cup chain 11 and the second cup chain 12 which are arranged in the shape of an arc are convenient to assemble with the reaction disc 110 into a whole and then are detected. Specifically, as shown in fig. 1 and fig. 2, the number of cuvette cells 10 in the first cup chain 11 is 13, the number of cuvette cells 10 in the second cup chain 12 is also 13, and the connecting plate 2 is connected to 26 sample position cuvette cells 10 as a cup holder, so that the 26 sample position cuvette cells 10 are kept consistent during detection, thereby avoiding inaccurate detection.

In an embodiment, referring to fig. 2 and fig. 7, in order to facilitate positioning and fixing of the cuvette chain set 100 and the tray body 111 of the reaction tray 110, positioning posts 21 are disposed on a side of the connecting plate 2 close to the cuvette unit 10, the positioning posts 21 are configured to cooperate with positioning holes 113 formed in the reaction tray 110 for positioning, and the connecting plate 2 is further formed with mounting holes 22. When the cuvette chain set 100 is assembled with the tray body 111, the positioning column 21 is inserted into the corresponding positioning hole 113 on the tray body 111 for accurate positioning, meanwhile, the tray body 111 is further provided with an assembling structure corresponding to the mounting hole 22, specifically, the assembling structure can be a threaded hole 114, and then the threaded fastener 120 penetrates through the mounting hole 22 to be connected with the threaded hole 114, so that the limitation and fixation of the cuvette chain set 100 and the tray body 111 are realized. The number of the positioning posts 21 is at least two, and the number of the mounting holes 22 is at least two.

In one embodiment, referring to fig. 1 and 4, a plurality of clearance grooves 23 are formed on a side of the connecting plate 2 facing away from the cuvette unit 10. The empty-avoiding groove 23 is arranged, so that the injection molding is convenient, and if one side of the connecting plate 2, which is far away from the cuvette unit 10, is a plane, the thickness of the connecting plate 2 can not be ensured to be consistent during the injection molding; the empty avoiding groove 23 can also avoid the shrinkage problem caused by too thick glue position on the surface of the product while ensuring the strength of the whole structure of the cuvette chain set 100. The cross section of the clearance groove 23 may be circular or polygonal, and the polygonal clearance groove 23 has higher strength.

In one embodiment, referring to fig. 6, the junction of the through hole 25 and the upper surface of the connection plate 2 is provided with a chamfered structure 26. When a sample or a reagent is added into the accommodating groove 103 from the opening of the through hole 25 by the sample needle, the chamfer structure 26 can effectively avoid the problem of a striker for sample adding, sample sucking or cleaning. It should be noted that the cross section of the cuvette monomer 10 may be quadrilateral, and four corners of the cuvette monomer are in smooth transition through rounded corners; for the convenience of use, the bottom 1031 of the accommodating groove is an inward concave spherical surface, and is in smooth transition connection with the rounded corners of the side walls 1032 of the accommodating groove, and the central point of the spherical surface is the lowest point.

In an embodiment, in order to avoid the inconvenience of cleaning and reusing caused by the sample adsorbed by the holding tank 103, the roughness of the inner wall of the holding tank 103 is ra0.05 to ra0.10, and the cuvette cell 10 with the inner wall of the holding tank 103 in the roughness range has the advantages of smooth inner wall and high smoothness.

According to another aspect of the present invention, the present invention further provides a reaction tray 110, wherein the reaction tray 110 comprises the cuvette chain assembly 100 of any one of the above embodiments, and further comprises a tray body 111, and the tray body 111 provides a groove assembly 112 for accommodating the cuvette assembly 1. Since the reaction tray 110 adopts all the technical solutions of the cuvette chain sets 100 according to all the embodiments, at least all the advantages brought by all the technical solutions are obtained, and no further description is provided herein. The number of the groove groups 112 is adaptively set according to the number of the cuvette groups 1, referring to fig. 7 and 8, taking the number of the cuvette groups 1 as two groups as an example, the groove group 112 includes a first groove 1121 and a second groove 1122 separated by a support seat 115 of the tray body 111, the first groove 1121 and the second groove 1122 are respectively in a circular ring shape, the first groove 1121 and the second groove 1122 are concentrically set, the first cup chain 11 is accommodated in the first groove 1121, the second cup chain 12 is accommodated in the second groove 1122, the first groove 1121 is located at an inner ring of the tray body 111 relative to the second groove 1122, the second groove 1122 is located at an outer ring, and by rotation of the tray body 111, the cuvette chain group 100 can be driven to integrally rotate to each designated position to complete operations such as sample adding and detection, wherein rotation of the tray body 111 is controlled by a driving device, and an output end of the driving device is connected with the tray body 111; the connection plate 2 abuts against the support seat 115 so that the installation is stable, and meanwhile, when the support seat 115 can also avoid detection, the light in the first groove 1121 and the light in the second groove 1122 are mutually interfered. When the number of the cuvette group 1 is greater than two groups, the corresponding groove groups 112 of the plurality of groups are concentrically arranged, and the middle parts of the groove groups can be spaced by the supporting seat 115.

In one embodiment, referring to fig. 10, in order to improve the detection efficiency, the cuvette chain set 100 is provided in a plurality, the connecting plate 2 is in a fan shape, and the plurality of cuvette chain sets 100 are distributed circumferentially around the tray body 111. To meet the requirement of several hundreds of cuvette units 10 arranged on the reaction tray 110. It is noted that adjacent cuvette chain sets 100 may be spaced apart; or may abut each other or have a small gap therebetween to improve the space utilization on the tray body 111.

In one embodiment, referring to fig. 9, the reaction disc 110 further comprises an optical assembly 130 disposed towards the first cup 101, the optical assembly 130 being used for detecting the mixture of the sample and the reagent in the cuvette cell 10. Specifically, the optical assembly 130 can be disposed on the support base 115 for detecting the first cup 101 in the first recess 1121 and the second recess 1122, respectively; or the optical member 130 is disposed outside the first and second grooves 1121 and 1122, respectively. Note that, in order to adjust the light source provided on the tray body 111, the connection plate 2 is provided with a clearance hole 24 for adjusting a light source component.

According to another aspect of the present invention, the present invention further provides a sample analyzer, which comprises any one of the reaction trays 110, a reagent tray, a pipetting module and a rack; the reagent tray, the reaction tray 110 and the liquid-transferring module are all arranged on the frame, and the reagent tray is used for bearing reagents required by the reaction; the pipetting module is used to transfer the sample and reagents to the cuvette cell 10 in the reaction tray 110. Since the sample analyzer adopts all the technical solutions of the reaction disk 110 in all the embodiments, at least all the beneficial effects brought by all the technical solutions are obtained, and no further description is given here.

The above is only the preferred embodiment of the present invention, and is not therefore limiting the patent scope of the present invention, all of which are under the design of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a cell chain group, its characterized in that includes cell group and connecting plate, the cell group includes the cell monomer that a plurality of intervals set up, the cell monomer includes interconnect's first cup and second cup, the cell monomer is formed with the holding tank, the second cup is kept away from the one end of first cup with the connecting plate is connected, the connecting plate seted up with the through-hole of holding tank intercommunication, the wall of first cup is the printing opacity face, cell chain group is integrative injection moulding finished piece.

2. The cuvette chain set according to claim 1, wherein the number of cuvette sets is at least two, at least two of the cuvette sets comprising a first cuvette chain and a second cuvette chain arranged oppositely; the first cup chain comprises a plurality of the cuvette monomers arranged at intervals, the second cup chain comprises a plurality of the cuvette monomers arranged at intervals, and the first cup chain and the second cup chain are both arc-shaped.

3. The cuvette chain set according to claim 1, wherein a positioning column is disposed on one side of the connecting plate close to the cuvette monomer, the positioning column is used for positioning by matching with a positioning hole formed on the reaction disk, and a mounting hole is further formed on the connecting plate.

4. The cuvette chain set according to claim 3, wherein a plurality of clearance grooves are formed in a side of the connecting plate facing away from the cuvette monomer.

5. The cuvette chain set according to claim 1, wherein the connection of the through hole and the upper surface of the connecting plate is provided with a chamfered structure.

6. The cuvette chain set according to claim 1, wherein the height of the first cup is 9mm to 11mm and the height of the second cup is 14mm to 16mm.

7. The cuvette chain set according to claim 1, wherein the accommodating container has an inner wall roughness of ra0.05 to ra0.10.

8. A reaction disk comprising the cuvette chain assembly according to any one of claims 1 to 7, and further comprising a disk body, wherein the disk body is provided with a plurality of groove sets for accommodating the cuvette chain assembly, the number of cuvette chain assemblies is plural, the connecting plate is fan-shaped, and the plurality of cuvette chain assemblies are circumferentially distributed around the disk body.

9. The reaction tray of claim 8 further comprising an optical assembly disposed toward the first cup for detecting a mixture of sample and reagent within the cuvette unit.

10. A sample analyzer, comprising the reaction tray of any one of claims 8 to 9, further comprising a reagent tray, a pipetting module, and a rack; the reagent tray, the reaction tray and the pipetting module are all arranged on the rack, and the reagent tray is used for bearing reagents required by the reaction; the liquid-transfering module is used for transferring the reagent into the cuvette monomer in the reaction tray.

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