CN216856477U

CN216856477U - Reaction cup mixing device

Info

Publication number: CN216856477U
Application number: CN202121406835.9U
Authority: CN
Inventors: 常仁林; 官志超; 沈涵嘉; 黄一鸣; 李敬可; 董杰
Original assignee: Suzhou Yuce Biotechnology Co ltd
Current assignee: Suzhou Yuce Biotechnology Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-07-01
Anticipated expiration: 2031-06-23

Abstract

The application relates to a reaction cup mixing device, the reaction cup mixing device of this application includes: the device comprises a rack, an incubation disc, a blending rotating mechanism and at least one friction strip, wherein the incubation disc is arranged on the rack, and is provided with at least one mounting groove for mounting a reaction cup; the blending rotating disc is arranged on the rack and is positioned above the incubation disc; the blending rotating mechanism is arranged on the rack, is in transmission connection with the blending rotating disk and is used for driving the blending rotating disk to rotate; the friction strip is fixed on the blending rotating disc and is used for contacting with the reaction cup to drive the reaction cup to rotate. So this application is rotatory through mixing rotary mechanism drive mixing rotary disk, and the rubbing strip can take place the contact with the reaction cup of hatching installation in the dish to drive the rotation of reaction cup, thereby make the liquid mixing in the reaction cup, and the mixing effect is comparatively even.

Description

Reaction cup mixing device

Technical Field

The application relates to the technical field of medical equipment, in particular to a reaction cup blending device.

Background

In the prior art, substances such as reaction magnetic beads, fluorescent markers and the like in a reaction detection sample solution can be settled after being static for a long time in a reaction process, so that the reaction detection sample solution is not uniform, the detection effect is influenced, and uniform mixing is required for ensuring the uniformity of the solution and avoiding settlement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reaction cup mixing device, it can make the mixing effect comparatively even.

The embodiment of the application is realized as follows:

in a first aspect, the present application provides a reaction cup mixing device, including: the reaction cup comprises a rack, an incubation disc, a blending rotating mechanism and at least one friction strip, wherein the incubation disc is arranged on the rack, and at least one mounting groove for mounting a reaction cup is formed in the incubation disc; the blending rotating disc is arranged on the rack and is positioned above the incubation disc; the blending rotating mechanism is arranged on the rack, is in transmission connection with the blending rotating disc and is used for driving the blending rotating disc to rotate; the friction strip is fixed on the uniformly mixing rotating disc and is used for contacting with the reaction cup to drive the reaction cup to rotate.

In one embodiment, the mounting grooves are provided in plurality, the mounting grooves are divided into a first group of grooves and a second group of grooves, the mounting grooves in the first group of grooves are distributed in a circumferential array around the axis of the incubation disc, the mounting grooves in the second group of grooves are distributed in a circumferential array around the axis of the incubation disc, and the second group of grooves is positioned outside the first group of grooves; correspondingly, the rubbing strips are divided into a first group of strips and a second group of strips, the second group of strips is positioned on the outer side of the first group of strips, the rubbing strips in the first group of strips are used for driving the reaction cups in the first group of grooves to rotate, and the rubbing strips in the second group of strips are used for driving the reaction cups in the second group of grooves to rotate.

In one embodiment, the mixing rotating disc and the incubation disc are coaxially arranged.

In an embodiment, the first group of strips is provided with a plurality of friction strips, each friction strip of the first group of strips is distributed in a circumferential array around the axis of the blending rotating disk, the second group of strips is provided with a plurality of friction strips, and each friction strip of the second group of strips is distributed in a circumferential array around the axis of the blending rotating disk.

In one embodiment, the circumferential length of the rubbing strip is greater than the diameter of the mounting groove.

In one embodiment, the rack includes: the incubation disc and the mixing rotating disc are both arranged in the heat preservation bin; the upper cover is provided with a first through hole; the mixing rotary mechanism comprises: the first rotary driving part is provided with a first main shaft; the first rotary driving piece is arranged on the upper cover, and the first main shaft penetrates through the first through hole and extends into the heat preservation bin; and the first transmission mechanism is arranged in the heat preservation bin and is in transmission connection with the first main shaft and the mixing rotating disc.

In one embodiment, the mixing device further comprises: and the incubation rotating mechanism is arranged on the rack, is in transmission connection with the incubation disc and is used for driving the incubation disc to rotate.

In one embodiment, the rack further comprises: a bottom plate arranged at the bottom of the heat preservation bin, a second perforation is arranged on the bottom plate, a third perforation is arranged on the heat preservation bin,

the incubation rotation mechanism comprises: the central shaft penetrates through the second perforation and the third perforation and then is connected with the incubation disc; the second rotary driving piece is provided with a second main shaft; the second transmission mechanism is arranged on the bottom plate and is in transmission connection with the second main shaft and the incubation disc; the support frame is respectively connected with the second rotary driving piece and the rack; the second rotary driving piece, the supporting frame and the first rotary driving piece are arranged on the outer side of the heat preservation bin and are arranged on the other side, opposite to the incubation disc, of the bottom plate.

In one embodiment, a fourth through hole is formed in the mixing rotating disk, and the reaction cup mixing device further comprises: and the first bearing is arranged in the fourth through hole and sleeved on the central shaft.

In one embodiment, the mixing device further comprises: the counting mechanism comprises a coded disc and a counting optocoupler, the counting optocoupler is arranged on the rack, and the coded disc is in transmission connection with the incubation disc.

In one embodiment, the mixing device further comprises: the zero-position mechanism comprises a zero-position baffle and a zero-position optical coupler, the zero-position optical coupler is arranged on the rack, and the zero-position baffle is arranged on the code disc.

Compared with the prior art, the beneficial effect of this application is:

this application is through mixing rotary mechanism drive the mixing rotary disk is rotatory, and the friction strip can take place the contact with the reaction cup of hatching installation in the dish, with the drive the reaction cup rotation to make the liquid mixing in the reaction cup, and the mixing effect is comparatively even.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a cuvette mixer according to an embodiment of the present disclosure.

Fig. 2 is a schematic view of a partial structure of a cuvette mixer according to an embodiment of the present disclosure.

FIG. 3 is a schematic structural diagram of an incubation disc and a mixing and rotating disc in a mixing device of a reaction cup according to an embodiment of the present application.

FIG. 4 is a side view of a cuvette mixing apparatus according to an embodiment of the present application.

Fig. 5 is an exploded view of a cuvette mixer according to an embodiment of the present invention.

Fig. 6 is an exploded view of a cuvette blender according to an embodiment of the present invention.

Fig. 7 is a bottom view of a cuvette mixer according to an embodiment of the present application.

FIG. 8 is a cross-sectional view of a cuvette mixing apparatus according to an embodiment of the present application.

Icon: 10-a reaction cup mixing device; 100-a frame; 110-a heat preservation bin; 111-third perforations; 120-upper cover; 121-a first perforation; 123-functional opening; 130-a backplane; 131-second perforations; 140-a leg; 150-a link; 160-sealing ring; 170-main control panel; 200-incubation plate; 210-a mounting groove; 211-a first set of slots; 212-a second set of slots; 220-an annular groove; 230-an identifier; 201-incubation outer loop; 202-inner loop of incubation; 203-heating the film; 204-a temperature control switch; 205-a line ball board; 206-a temperature sensor; 300-uniformly mixing and rotating the disc; 310-a fourth perforation; 311-a first bearing seat; 312 — a first bearing; 400-rubbing a strip; 401-a first set of strips; 402-a second set of bars; 410-adhesive tape; 411-arc shaped protrusions; 420-a fixed seat; 500-uniformly mixing and rotating mechanism; 510-a first rotary drive; 511-a first spindle; 512-a dust cover; 520-a first transmission mechanism; 521-a drive gear; 522-driven gear; 600-an incubation rotation mechanism; 610-a central axis; 611-second bearing insulation; 612-a second bearing seat; 613-second bearing; 620-a second rotary drive; 621-a second main shaft; 630-a second transmission mechanism; 631-synchronous belt; 632 — a driving pulley; 633-a driven pulley; 640-a support frame; 700-a counting mechanism; 710-a code wheel; 720-counting the optical coupler; 800-zero position mechanism; 810-zero position stop piece; 820-zero optical coupler; 90-reaction cup; 91-Friction member.

Detailed Description

The terms "first," "second," "third," and the like are used for descriptive purposes only and not for purposes of indicating or implying relative importance, and do not denote any order or order.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

The technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings.

Please refer to fig. 1, which is a schematic structural diagram of a mixing device 10 for a reaction cup according to an embodiment of the present application. A cuvette mixing apparatus 10 includes: frame 100 and mixing rotary mechanism 500, mixing rotary mechanism 500 locates on the frame 100, and frame 100 includes: the heat preservation cabin 110, the upper cover 120 and the bottom plate 130 are detachably connected together through clamping, bolt connection and the like, the top openings of the upper cover 120 and the heat preservation cabin 110 are used for sealing the heat preservation cabin 110, the bottom plate 130 is connected with the bottom of the heat preservation cabin 110, and a plurality of support legs 140 can be arranged on the bottom plate 130. The heat preservation chamber 110 and the bottom plate 130 may be integrated or detachably connected. The base 130 and the legs 140 may be integral or may be detachably connected. In this embodiment, there are 4 legs 140.

A cavity for placing the reaction cup 90 is arranged in the heat preservation bin 110, and a heating film 203 and a temperature sensor 206 can be arranged in the heat preservation bin 110 and used for regulating and controlling the temperature in the heat preservation bin 110. The insulation chamber 110 may be made of an insulation material for insulation. The cross section of the insulation bin 110 can be square, round or other shapes.

The upper cover 120 is further provided with at least one functional opening 123, and the functional opening 123 can be used for operations such as adding a sample to the reaction cup 90 in the heat preservation bin 110, adding a reagent, extracting the sample, grabbing and placing the reaction cup 90, and observing the conditions in the heat preservation bin 110 in real time. The number and location of the functional openings 123 may be designed as desired.

The bottom plate 130 is provided with a main control panel 170, and the main control panel 170 can be provided with a button switch and a display screen, and is electrically connected with the components of the mixing device 10 for control.

Please refer to fig. 2, which is a schematic structural diagram of a portion of a mixing device 10 for a reaction cup according to an embodiment of the present application. The mixing device 10 further comprises: the incubation disc 200, the uniformly mixing rotating disc 300 and the at least one rubbing strip 400, wherein the incubation disc 200 is arranged in the heat preservation bin 110 of the rack 100, and the upper surface of the incubation disc 200 is provided with at least one mounting groove 210 for mounting the reaction cup 90; the blending rotating disc 300 is arranged in the heat preservation bin 110 of the rack 100 and is positioned above the incubation disc 200; the blending rotating mechanism 500 is in transmission connection with the blending rotating disc 300 and is used for driving the blending rotating disc 300 to rotate; the rubbing strip 400 is fixed to the kneading rotating disk 300 and is in contact with the reaction cup 90 to rotate the reaction cup 90.

In an operation process, the blending rotating mechanism 500 drives the blending rotating disk 300 to periodically rotate, so as to drive the rubbing strip 400 fixed on the blending rotating disk 300 to periodically rotate, the rubbing strip 400 can be in contact with the reaction cup 90 installed in the incubation disk 200, so that the reaction cup 90 vibrates, and the reaction cup 90 is driven to rotate, and the rotation of the reaction cup 90 generates an oscillating force for the liquid in the reaction cup 90, so that the liquid in the reaction cup 90 is blended uniformly, and the blending effect is relatively uniform.

Therefore, in the embodiment, the blending rotating mechanism 500 drives the blending rotating disc 300 to rotate, and the rubbing strip 400 can contact with the reaction cup 90 installed in the incubation disc 200 to drive the reaction cup 90 to rotate, so that the liquid in the reaction cup 90 is blended uniformly, and the blending effect is relatively uniform.

Please refer to fig. 3, which is a schematic structural diagram of the incubation disc 200 and the mixing and rotating disc 300 in the cuvette mixing apparatus 10 according to an embodiment of the present application. The mounting grooves 210 are provided in plurality, the plurality of mounting grooves 210 are divided into a first group of grooves 211 and a second group of grooves 212, the respective mounting grooves 210 of the first group of grooves 211 are distributed in a circumferential array around the axis of the incubation disc 200, the respective mounting grooves 210 of the second group of grooves 212 are distributed in a circumferential array around the axis of the incubation disc 200, and the second group of grooves 212 are located outside the first group of grooves 211. The spacing between two adjacent cuvettes 90 in the second set of slots 212 may be equal to or different from the spacing between two adjacent cuvettes 90 in the first set of slots 211.

In this embodiment, there are 50 mounting slots 210 in the first group of slots 211, and there are 50 mounting slots 210 in the second group of slots 212, so that there are 100 mounting slots 210. The spacing between two adjacent cuvettes 90 in the second set of slots 212 is greater than the spacing between two adjacent cuvettes 90 in the first set of slots 211. In another embodiment, there is one mounting slot 210 in the first set of slots 211 and one mounting slot 210 in the second set of slots 212, so that there are two mounting slots 210.

Accordingly, the rubbing strip 400 is provided in plurality, and the plurality of rubbing strips 400 are divided into a first group of strips 401 and a second group of strips 402, and the second group of strips 402 is positioned outside the first group of strips 401. The first set of strips 401 are positioned at the inner side of the first set of grooves 211, and the friction strips 400 in the first set of strips 401 are used for driving the reaction cups 90 in the first set of grooves 211 to rotate; the second set of strips 402 are located inside the second set of grooves 212 and the rubbing strips 400 in the second set of strips 402 are used to rotate the reaction cups 90 in the second set of grooves 212.

Wherein, the mixing rotating disc 300 and the incubation disc 200 are coaxially arranged. The rub strips 400 in the first set of strips 401 are provided in plurality and the individual rub strips 400 in the first set of strips 401 are distributed in a circumferential array around the axis of the kneading rotating disk 300, the rub strips 400 in the second set of strips 402 are provided in plurality and the individual rub strips 400 in the second set of strips 402 are distributed in a circumferential array around the axis of the kneading rotating disk 300.

In this embodiment, there are 3 rubbing strips 400 in the first set of strips 401 and 3 rubbing strips 400 in the second set of strips 402, so there are 6 rubbing strips 400 in total. In another embodiment, there is one rub strip 400 in the first set of strips 401 and one rub strip 400 in the second set of strips 402, so there are two rub strips 400.

Wherein, the circumferential length of the rubbing strip 400 is greater than the diameter of the mounting groove 210. So arranged, one rubbing strip 400 can be simultaneously contacted with a plurality of reaction cups 90, thereby improving the mixing efficiency.

An annular groove 220 is defined in the upper surface of the incubation plate 200 between the first set of grooves 211 and the second set of grooves 212. With this arrangement, the space between the reaction cups 90 installed in the first set of slots 211 and the reaction cups 90 installed in the second set of slots 212 can be increased, so that the rotation of the second set of bars 402 can be avoided to some extent, and the mutual influence among the second set of bars 402, the reaction cups 90 installed in the first set of slots 211, and the reaction cups 90 installed in the second set of slots 212 can be reduced.

The upper surface of the incubation plate 200 and the inner surface of the annular groove 220 are provided with identifiers 230 for distinguishing the mounting groove 210 and the identification angle.

Please refer to fig. 4, which is a side view of a mixing device 10 for a reaction cup according to an embodiment of the present application. The mixing device 10 further comprises: the incubation rotating mechanism 600 is arranged on the rack 100, and the incubation rotating mechanism 600 is in transmission connection with the incubation disc 200 and is used for driving the incubation disc 200 to rotate.

In an operation process, the incubation disc 200 can be driven to rotate by the incubation rotating mechanism 600, so as to drive the reaction cups 90 mounted on the incubation disc 200 to rotate around the axis of the incubation disc 200, so that the designated reaction cups 90 rotate to designated positions, and thus the designated reaction cups 90 can be observed, added with samples, grasped and placed with the reaction cups 90, added with reagents or extracted with samples and the like through the functional openings 123.

Wherein, in the process of mixing reaction cup 90, the mixing rotary disk 300 can be driven to rotate in the forward direction by the mixing rotary mechanism 500, and the incubation disk 200 can be driven to rotate in the reverse direction by the incubation rotary mechanism 600, so that the mixing efficiency and the mixing effect can be improved.

Fig. 5 is an exploded view of a mixing device 10 for a reaction cup according to an embodiment of the present disclosure. The upper cover 120 is provided with a first through hole 121; the mixing rotation mechanism 500 includes: a first rotary drive 510 and a first transmission 520, the first rotary drive 510 being a drive member such as a stepping motor, having a first spindle 511; the first rotary driving member 510 is disposed on the upper cover 120, and the first main shaft 511 passes through the first through hole 121 and extends into the thermal insulation bin 110; the first transmission mechanism 520 is arranged in the heat preservation bin 110 and is in transmission connection with the first main shaft 511 and the blending rotating disc 300.

The first transmission mechanism 520 may be a gear transmission, a belt transmission, or other transmission methods. In this embodiment, the first transmission mechanism 520 includes a driving gear 521 and a driven gear 522, the driving gear 521 is connected to the first main shaft 511 of the first rotary driving element 510, and the driven gear 522 is fixed to the kneading rotation disk 300 by bolts or the like. The driving gear 521 is a pinion, the driven gear 522 is a bull gear, the number of teeth of the driving gear 521 is smaller than that of the driven gear 522, the outer diameter of the driven gear 522 is smaller than that of the blending rotating disc 300, the driven gear 522 and the blending rotating disc 300 are coaxially arranged, the first transmission mechanism 520 is a speed reduction transmission mechanism, and the blending rotating disc 300 can rotate stably due to the arrangement.

The upper cover 120 is connected with a dust cover 512, and the dust cover 512 covers the first rotary driving member 510 for preventing dust. Dust cover 512 is also provided with a plurality of holes for heat dissipation.

Fig. 6 is an exploded view of a mixing device 10 for a reaction cup according to an embodiment of the present disclosure. The bottom plate 130 is provided with a second through hole 131, and the heat preservation bin 110 is provided with a third through hole 111; the incubation rotation mechanism 600 includes: the central shaft 610, the second rotary driving member 620, the second transmission mechanism 630 and the support frame 640, the central shaft 610 passes through the second perforation 131 and the third perforation 111 and then is connected with the incubation disc 200; the second rotary driving member 620 may be a driving member such as a stepping motor, and has a second main shaft 621; the second transmission mechanism 630 is arranged on the bottom plate 130 and is in transmission connection with the second main shaft 621 and the incubation disc 200; the supporting frame 640 is respectively connected with the second rotary driving member 620 and the frame 100; the second rotary driving member 620, the supporting frame 640 and the first rotary driving member 510 are all disposed outside the thermal insulation bin 110, and are all disposed on the other side of the bottom plate 130 opposite to the incubation plate 200.

The second transmission mechanism 630 may be a gear transmission, a belt transmission, or other transmission methods. In this embodiment, the second transmission mechanism 630 includes a timing belt 631, a driving pulley 632, and a driven pulley 633, the driving pulley 632 is connected to the second spindle 621 of the second rotary driving element 620, and the driven pulley 633 is connected to the central shaft 610. The driving pulley 632 is a small pulley, the driven pulley 633 is a large pulley, the outer diameter of the driven pulley 633 is smaller than that of the incubation disc 200, the driven pulley 633 and the incubation disc 200 are coaxially arranged, and then the first transmission mechanism 520 is a speed reduction transmission mechanism, so that the rotation of the incubation disc 200 tends to be stable.

The bottom plate 130 of the frame 100 is fixedly connected with a connecting frame 150 through bolts, and the reaction cup blending device 10 further comprises: counting mechanism 700, counting mechanism 700 include code wheel 710 and count opto-coupler 720, and count opto-coupler 720 is fixed in on the link 150 of frame 100 through bolted connection, and code wheel 710 is connected with hatching dish 200 transmission, and code wheel 710 is fixed in driven pulley 633 through bolted connection. The coded disc 710 is provided with a plurality of gaps corresponding to the mounting grooves 210, when the rotating disc rotates, the coded disc 710 rotates synchronously, and the counting optocoupler 720 can be used for detecting the rotating angle of the incubation disc 200, so that the number of the rotated mounting grooves 210, namely the reaction cups 90, is determined.

The mixing device 10 further comprises: the zero-position mechanism 800 comprises a zero-position baffle 810 and a zero-position optical coupler 820, wherein the zero-position optical coupler 820 is fixed on the connecting frame 150 of the rack 100 through a bolt, and the zero-position baffle 810 is fixed on the code wheel 710 through a bolt. When the coded disc 710 rotates, the zero-position baffle 810 rotates synchronously, so that the zero-position baffle 810 can be set to be a zero position, when the zero-position baffle 810 reaches the zero-position optical coupler 820 for the second time, the coded disc 710 rotates for one circle, and therefore the zero-position mechanism 800 can be used for detecting the number of turns of the rotation of the incubation disc 200.

The friction strip 400 comprises an adhesive tape 410 and a fixed seat 420, the adhesive tape 410 and the fixed seat 420 are fixed together in a bolt connection mode, the fixed seat 420 and the uniformly mixing rotating disc 300 are fixed together in a bolt connection mode, an arc-shaped protrusion 411 is arranged on the adhesive tape 410, and the friction strip 400 is in contact with the reaction cup 90 through the arc-shaped protrusion 411. The outer surface of the arc-shaped protrusion 411 is an arc-shaped curved surface, and the cross section of the arc-shaped protrusion 411 is crescent-shaped, so that the strong collision between the rubbing strip 400 and the reaction cup 90 can be relieved, and the reaction cup 90 is prevented from being separated from the mounting groove 210.

The mixing rotating disc 300 is provided with a fourth perforation 310, and the reaction cup mixing device 10 further comprises: at least one first bearing seat 311 and at least one first bearing 312, the first bearing seat 311 is disposed in the fourth through hole 310, and the first bearing 312 is mounted in the fourth through hole 310 through the first bearing seat 311 and sleeved on the central shaft 610. In this embodiment, there is one first bearing seat 311 and one first bearing 312. The first bearing 312 is a deep groove ball bearing so that a friction coefficient during the movement of the central shaft 610 can be reduced.

The mixing device 10 further comprises: at least one second bearing heat-insulating member 611, at least one second bearing seat 612 and at least one second bearing 613, wherein the second bearing heat-insulating member 611 is disposed in the second through hole 131 and the third through hole 111, the second bearing heat-insulating member 611 is made of a heat-insulating material and is used for preventing heat of the bearings from overflowing and avoiding affecting the reaction cup 90 in the incubation plate 200, the second bearing seat 612 is disposed on the second bearing heat-insulating member 611, and the second bearing 613 is mounted in the second through hole 131 and the third through hole 111 through the second bearing seat 612 and is sleeved on the central shaft 610. In this embodiment, there are two second bearings 613 and one second bearing 612 and one second bearing thermal insulator 611. The second bearing 613 is a deep groove ball bearing so that the friction coefficient during the movement of the central shaft 610 can be reduced.

The incubation disc 200 comprises an incubation outer ring 201, an incubation inner ring 202, a heating film 203, a temperature control switch 204, a line pressing plate 205 and a temperature sensor 206, wherein the installation groove 210 is arranged on the incubation outer ring 201, and the incubation inner ring 202 is fixed on the incubation outer ring 201 in a bolt connection mode and the like; the heating film 203 is fixed on the incubation inner ring 202 in a clamping manner and the like; the temperature control switch 204 is fixed on the incubation inner ring 202 in a clamping manner and the like, and is electrically connected with the heating film 203; the two wire pressing plates 205 are fixed on the incubation inner ring 202 in a clamping manner and the like and are electrically connected with the heating film 203; two temperature sensors 206 are arranged, and are fixed on the incubation inner ring 202 for measuring temperature by a PT100 nose pressing type-3 m line. Therefore, the incubation plate 200 is heated by the heating film 203, and the temperature is controlled by the temperature control switch 204 and the temperature sensor 206.

Please refer to fig. 7, which is a bottom view of the mixing device 10 for reaction cups according to an embodiment of the present application. Please refer to fig. 8, which is a cross-sectional view of a mixing device 10 for a reaction cup according to an embodiment of the present application. The central shaft 610, the first bearing 312, the second bearing 613, the heat preservation bin 110, the upper cover 120, the uniformly mixing rotating disc 300 and the incubation disc 200 are all coaxially arranged. The central shaft 610 is a hollow stepped shaft that can limit axial displacement of the first bearing 312, the second bearing 613, and the incubation plate 200 by a flange, a groove, or a stop ring. A sealing ring 160 is arranged between the heat preservation bin 110 and the upper cover 120 for sealing.

Be equipped with friction member 91 on reaction cup 90's the internal surface, friction member 91 can be the fin, and when reaction cup 90 took place to vibrate, friction member 91 in reaction cup 90 can be with liquid "friction" in reaction cup 90 to can improve the mixing effect, and make the liquid in reaction cup 90 fully react, improve the detection effect. In another embodiment, the reaction cup 90 may not have the friction member 91 therein, and the inner wall is smooth.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a reaction cup mixing device which characterized in that includes:

a frame;

the incubation disc is arranged on the rack, and at least one mounting groove for mounting the reaction cup is formed in the incubation disc;

the blending rotating disc is arranged on the rack and is positioned above the incubation disc;

the blending rotating mechanism is arranged on the rack, is in transmission connection with the blending rotating disc and is used for driving the blending rotating disc to rotate; and

and the friction strip is fixed on the blending rotating disc and is used for contacting with the reaction cup to drive the reaction cup to rotate.

2. The reaction cup blending device according to claim 1, wherein the plurality of mounting grooves are divided into a first group of grooves and a second group of grooves, each mounting groove in the first group of grooves is distributed in a circumferential array around the axis of the incubation plate, each mounting groove in the second group of grooves is distributed in a circumferential array around the axis of the incubation plate, and the second group of grooves is located outside the first group of grooves;

correspondingly, the rubbing strips are divided into a first group of strips and a second group of strips, the second group of strips is positioned on the outer side of the first group of strips, the rubbing strips in the first group of strips are used for driving the reaction cups in the first group of grooves to rotate, and the rubbing strips in the second group of strips are used for driving the reaction cups in the second group of grooves to rotate.

3. The cuvette mixing apparatus according to claim 2, wherein the mixing rotating disc and the incubation disc are coaxially disposed.

4. The cuvette mixing apparatus of claim 3, wherein a plurality of rubbing strips are provided in the first set of strips, and each rubbing strip in the first set of strips is circumferentially arrayed around the axis of the mixing rotor disk, a plurality of rubbing strips are provided in the second set of strips, and each rubbing strip in the second set of strips is circumferentially arrayed around the axis of the mixing rotor disk.

5. The mixing device for the reaction cup as claimed in claim 1, wherein the circumferential length of the rubbing strip is greater than the diameter of the mounting groove.

6. The mixing device for reaction cups according to any one of claims 1 to 5, wherein the frame comprises: the incubation disc and the mixing rotating disc are both arranged in the heat preservation bin; the upper cover is provided with a first through hole;

the mixing rotary mechanism comprises:

a first rotary drive having a first spindle; the first rotary driving piece is arranged on the upper cover, and the first main shaft penetrates through the first through hole and extends into the heat preservation bin; and

and the first transmission mechanism is arranged in the heat preservation bin and is in transmission connection with the first main shaft and the mixing rotating disc.

7. The apparatus of claim 6, further comprising:

and the incubation rotating mechanism is arranged on the rack, is in transmission connection with the incubation disc and is used for driving the incubation disc to rotate.

8. The apparatus of claim 7, wherein the frame further comprises: a bottom plate arranged at the bottom of the heat preservation bin, a second perforation is arranged on the bottom plate, a third perforation is arranged on the heat preservation bin,

the incubation rotation mechanism comprises:

a central shaft which passes through the second perforation and the third perforation and is connected with the incubation disc;

a second rotary drive having a second spindle;

the second transmission mechanism is arranged on the bottom plate and is in transmission connection with the second main shaft and the incubation disc; and

the support frame is respectively connected with the second rotary driving piece and the rack;

the second rotary driving piece, the supporting frame and the first rotary driving piece are arranged on the outer side of the heat preservation bin and are arranged on the other side, opposite to the incubation disc, of the bottom plate.

9. The reaction cup blending device of claim 8, wherein a fourth perforation is provided on the blending rotating disk, the reaction cup blending device further comprising:

and the first bearing is arranged in the fourth through hole and sleeved on the central shaft.

10. The apparatus of claim 7, further comprising:

the counting mechanism comprises a coded disc and a counting optocoupler, the counting optocoupler is arranged on the rack, and the coded disc is in transmission connection with the incubation disc; and

the zero-position mechanism comprises a zero-position blocking piece and a zero-position optical coupler, the zero-position optical coupler is arranged on the rack, and the zero-position blocking piece is arranged on the coded disc.