CN218896000U - Vortex mixing device and sample detection analyzer - Google Patents
Vortex mixing device and sample detection analyzer Download PDFInfo
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- CN218896000U CN218896000U CN202222935441.3U CN202222935441U CN218896000U CN 218896000 U CN218896000 U CN 218896000U CN 202222935441 U CN202222935441 U CN 202222935441U CN 218896000 U CN218896000 U CN 218896000U
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- reaction cup
- mixing device
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Abstract
The application belongs to the in-vitro diagnostic equipment technology and discloses a vortex mixing device and a sample detection analyzer, wherein the vortex mixing device comprises a driving assembly, a rotating platform and a limiting piece, the limiting piece is arranged above the rotating platform, and the rotating platform is connected with the driving assembly; the limiting piece is used for limiting the cup mouth end of the reaction cup, the rotary platform is used for supporting the cup bottom of the reaction cup, and the driving assembly drives the rotary platform to drive the reaction cup to rotate and mix uniformly. The vortex mixing device is simple in structure, the reaction cup limiting part and the rotating platform are directly supported and then drive to rotate, on the basis of guaranteeing the mixing effect, the reaction cup is less in contact with parts, the collision and friction of the reaction cup are reduced, and the noise is low.
Description
Technical Field
The application belongs to the in-vitro diagnostic equipment technology, and particularly relates to a vortex mixing device and a sample detection analyzer.
Background
In the field of chemiluminescent immunoassay, samples, reagents and magnetic bead coating liquid in a reaction cup in an instrument need to be fully and uniformly mixed before incubation so as to ensure that the liquid in the reaction cup is fully reacted. The existing mixing device is relatively complex in structure and large in noise of partial structure. If CN203275173U discloses a reaction solution mixing device and chemical analyzer, reaction cup is fixed through reaction cup cover in this reaction solution mixing device, then is equipped with the cam that holds reaction cup cover, drives the rotatory mixing of reaction cup through eccentric drive cam rotation, in the in-service use, all can the collision and the friction of large tracts of land between reaction cup and the reaction cup cover, between reaction cup cover and the cam, produces great noise to the device structure complicacy is with high costs.
Disclosure of Invention
The utility model aims to: to above-mentioned prior art, this application provides a vortex mixing device and sample detection analyzer that mixing effect simple structure noise is little.
The technical scheme is as follows: the application discloses vortex mixing device, including drive assembly, rotary platform and locating part, the locating part sets up in rotary platform top, rotary platform is connected with drive assembly; the limiting piece is used for limiting the cup mouth end of the reaction cup, the rotary platform is used for supporting the cup bottom of the reaction cup, and the driving assembly drives the rotary platform to drive the reaction cup to rotate and mix uniformly.
As a technical scheme, be equipped with spacing hole on the locating part, spacing hole aperture is greater than the reaction cup external diameter, and the reaction cup of being convenient for alternates in spacing hole.
As a technical scheme, the limiting part comprises a support and a support plate, wherein the support plate is fixed through the support, the limiting hole is formed in the support plate, and the limiting part is in a shape of a Chinese character 'ji'.
As a technical scheme, the limiting piece can be designed into a limiting groove, a limiting plate, a limiting hole, a limiting pin shaft and the like according to actual conditions as long as the limiting piece can restrict the cup mouth end of the reaction cup.
The rotary platform is connected with the driving assembly, and the upper surface of the rotary platform is a plane.
As a technical scheme, in order to further ensure that the rotating platform rotates to drive the reaction cup to rotate, a guide piece is arranged on the rotating platform. The guide is preferably a groove through the upper surface of the rotating platform. For example, when setting up the recess that link up of adaptation and setting up at rotary platform upper surface as the guide, under the unoperated state, the reaction cup rim of a cup end is spacing through the locating part, and bottom adaptation falls into in the guide groove, and when drive assembly moved, because reaction cup upper portion passes through the locating part spacing, the bottom realizes better rotatory mixing under the combined action of recess lateral wall and rotatory centrifugal force.
As a technical scheme, the guide piece can also be in other forms such as a guide convex edge, distributed guide convex points and the like; alternatively, the guide passage may be formed by designing a friction layer of a different shape, or the like. Wherein the guide channel may be circular, arcuate, spiral, etc.
As a technical scheme, the driving assembly comprises a rotating motor, and the output end of the rotating motor is connected with a rotating platform. Under the condition, the rotating motor directly drives the rotating platform to rotate, so that the reaction cup is driven to rotate by transmission, and under the condition, the cup mouth end of the initial state of the reaction cup is limited by the limiting piece, and the bottom of the cup is contacted with the rotating platform.
As a technical scheme, the driving assembly comprises a rotating motor, a rotating main shaft, a transmission shaft and a limiting shaft, and the rotating platform is connected with the transmission shaft; the transmission shaft is provided with a thread groove, the limiting shaft is inserted in the thread groove, the rotating main shaft is connected with the limiting shaft, the output end of the rotating motor is connected with the rotating main shaft, and the rotating main shaft is driven to drive the rotating platform to ascend, descend and rotate. Under the condition, the transmission shaft is driven to ascend, descend and rotate through the transmission of the rotating motor, and the initial state of the reaction cup can be directly contacted with the rotating platform and ascend, descend and rotate along with the rotating platform; the reaction cup can also be hung on the limiting piece, along with the operation of the rotating motor, the rotating platform is contacted with the bottom of the reaction cup after rising, the reaction cup is driven to rotate and uniformly mix, after the uniform mixing is finished, the rotating motor reversely rotates, the rotating platform descends, and the reaction cup is hung on the reaction cup limiting piece.
As a technical scheme, the outer wall of the reaction cup is provided with a cup edge, and the reaction cup is hung on the limiting piece through the cup edge.
As a technical scheme, on rotary platform and the reaction cup contact surface, locating part and reaction cup junction are equipped with the buffer layer, the buffer layer can be flexible and elastic material such as silica gel, sponge.
The application also discloses a sample detection analyzer, it includes arbitrary above-mentioned vortex mixing device.
The utility model provides a vortex mixing device's mixing speed can be adjusted through drive assembly's running frequency, if the circumstances that the mixing speed is faster, in order to avoid polluting, can add the reaction bowl cover. The connection relationship, the position relationship, the assembly relationship and the like between the parts which are not written in the application can be realized by any feasible prior art.
The beneficial effects are that: compared with the prior art, the vortex mixing device is simple in structure, directly drives to rotate after being supported by the reaction cup limiting part and the rotating platform, and on the basis of guaranteeing the mixing effect, the reaction cup is less in contact parts, collision and friction of the reaction cup are reduced, and noise is low.
Drawings
FIG. 1 is a schematic diagram of a vortex mixing device;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is a schematic view of the operation state of the vortex mixing device.
In the figure, a driving assembly (1), a rotating motor (101), a rotating main shaft (102), a transmission shaft (103), a limiting shaft (104), a thread groove (105), a rotating platform (2), a guide piece (201), a limiting piece (3), a limiting hole (301), a mounting plate (4), a reaction cup (5) and a cup edge (501).
Detailed Description
The following detailed description of the technical scheme of the present application is made with reference to the accompanying drawings and specific embodiments.
Example 1
The vortex mixing device as shown in fig. 1 and 2 comprises a driving assembly 1, a rotary platform 2 and a limiting piece 3, wherein the limiting piece 3 is arranged above the rotary platform 2, and the rotary platform 2 is connected with the driving assembly 1. In this embodiment, the locating part 3 is used for retraining the reaction cup 5 rim of a cup end of waiting to mix, and rotary platform 2 upper surface is a horizontal plane for bearing reaction cup 5 bottom of cup, and drive assembly 1 operation drive rotary platform 2 is rotatory to drive reaction cup bottom rotation, around reaction cup and locating part junction rotatory mixing.
In this embodiment, the locating part 3 includes support and backup pad, and the backup pad passes through the support to be fixed to be located horizontal rotation platform top, and the page or leaf is the horizontal arrangement, and the support is two, distributes respectively in the backup pad both sides for the locating part 3 wholly is "nearly" style of calligraphy. And a limiting hole 301 is formed in the position, facing the rotary platform 2, of the supporting plate, wherein the aperture of the limiting hole 301 is larger than the outer diameter of the reaction cup 5, so that the reaction cup can be conveniently inserted into the limiting hole 301. Correspondingly, the outer wall of the reaction cup 5 is provided with a cup edge 501 near the cup rim end, and the outer diameter of the cup edge of the reaction cup is larger than the aperture of the limiting hole, so that the reaction cup 5 can be hung in the limiting hole 301 through the cup edge 501. In other embodiments, the limiting piece can also be set to limit groove, limit plate, limit hole, limit pin shaft and other structures capable of limiting the cup mouth end of the reaction cup.
In this embodiment, the upper surface of the rotary platform 2 is provided with a guide 201, and referring to fig. 2, the guide 201 is specifically a groove penetrating the upper surface of the rotary platform. Buffer layers are arranged at the joint of the reaction cup 5 and the limiting hole 301 and at the contact of the reaction cup and the rotary platform 2.
In this embodiment, the driving assembly 1 includes a rotating motor 101, a rotating main shaft 102, a transmission shaft 103 and a limiting shaft 104, and, with reference to fig. 3, the rotating platform 2 is connected with the transmission shaft 103; the transmission shaft 103 is provided with a thread groove 105, the limiting shaft 104 is inserted in the thread groove 105, the rotating main shaft 102 is connected with the limiting shaft 104, the output end of the rotating motor 1 is connected with the rotating main shaft 101, and the rotating platform 2 is driven to ascend, descend and rotate. The method comprises the steps of sleeving a rotating main shaft on an output shaft of a rotating motor, fastening the rotating main shaft on a flat position of the output shaft of the motor by using a set screw through the rotating main shaft from the side surface, sleeving a transmission shaft on the rotating main shaft, enabling the flat position in the middle of a limiting shaft to sequentially pass through a thread groove of the transmission shaft and a through hole of the rotating main shaft upwards, sequentially passing through the through hole of the transmission shaft from the top by using the set screw, propping against the flat position of the limiting shaft by using a threaded hole of the rotating main shaft, and fixing the limiting shaft in the rotating main shaft. The rotating platform is locked at the top of the transmission shaft through two screws.
The vortex mixing device of this embodiment is installed through the mounting plate 4, specifically, the rotating electrical machine 1 is disposed under the mounting plate, and the output end of the rotating electrical machine passes through the mounting plate 4 to be connected with the rotating main shaft 101, and the driving assembly 1 is assembled as described above. The bracket of the aforementioned limiting member 3 is also locked to the mounting plate 4 by means of screws or other means. After the reaction cup 5 is installed, in the non-running state, the reaction cup 5 is placed in the limiting hole 501, and the reaction cup can be hung in the limiting hole through the cup edge 501. Any of the available prior art techniques may be used for the connection relationships described above without any description.
The working principle of the vortex mixing device is as follows:
as shown in figure 1, in a natural state, the limiting shaft is positioned at the topmost end of the threaded groove of the transmission shaft, and the rotating platform is at a certain distance from the bottom of the reaction cup. When the rotating motor rotates clockwise at a high speed, the limiting shaft rotates along with the rotating motor through the rotating main shaft, and at the moment, the screw thread of the transmission shaft receives component force in the limiting shaft direction, so that the transmission shaft moves upwards. FIG. 4 shows a groove on the upper surface of the rotating platform rising to contact with the bottom of the reaction cup and pushing the reaction cup upwards for a distance, at this time, the bottom of the reaction cup is subjected to radial component force by the groove because the rotating platform always rotates at a high speed, so that the bottom of the reaction cup is rotated, at this time, the limiting hole supports the neck of the reaction cup and limits the movement of the neck, and the whole reaction cup is in a movement state of: the top and the bottom are rotated and swung around the center, so that the purpose of uniformly mixing the contents of the reaction cup is achieved. When the mixing is completed, the rotating motor moves in the opposite direction, the transmission shaft moves downwards due to the downward component force of the limiting shaft, the rotating platform leaves the reaction cup, the reaction cup naturally falls, and the reaction cup returns to the original vertical state of being naturally suspended in the limiting hole.
Example 2
A sample detection analyzer comprising the vortex mixing device of example 1. The sample detection analyzer may be a chemiluminescent immunoassay analyzer.
Claims (10)
1. The vortex mixing device is characterized by comprising a driving assembly (1), a rotating platform (2) and a limiting piece (3), wherein the limiting piece (3) is arranged above the rotating platform (2), and the rotating platform (2) is connected with the driving assembly (1); the limiting piece (3) is used for restraining the cup mouth end of the reaction cup, the rotary platform (2) is used for supporting the cup bottom of the reaction cup, and the driving assembly (1) drives the rotary platform (2) to drive the reaction cup to rotate and mix uniformly.
2. The vortex mixing device according to claim 1, characterized in that the limiting piece (3) is provided with a limiting hole (301), and the aperture of the limiting hole (301) is larger than the outer diameter of the reaction cup (5).
3. The vortex mixing device according to claim 2, characterized in that the limiting piece (3) comprises a bracket and a support plate, the support plate is fixed by the bracket, and the limiting hole (301) is arranged on the support plate.
4. Vortex mixing device according to claim 1, characterized in that the rotating platform (2) is provided with guides (201).
5. The vortex mixing device according to claim 4, characterized in that the guide (201) is a groove provided through the upper surface of the rotating platform (2).
6. The vortex mixing device according to claim 1, characterized in that the drive assembly (1) comprises a rotating motor (101), the output end of the rotating motor (101) being connected to a rotating platform (2).
7. The vortex mixing device according to claim 1, characterized in that the drive assembly (1) comprises a rotating motor (101), a rotating main shaft (102), a transmission shaft (103) and a limiting shaft (104), the rotating platform (2) being connected with the transmission shaft (103); the transmission shaft (103) is provided with a thread groove (105), the limiting shaft (104) is inserted into the thread groove (105), the rotating main shaft (102) is connected with the limiting shaft (104), the output end of the rotating motor (101) is connected with the rotating main shaft (102), and the rotating platform (2) is driven to ascend, descend and rotate.
8. The vortex mixing device according to claim 2, characterized in that the outer wall of the reaction cup (5) is provided with a cup edge (501), and the reaction cup (5) is suspended in the limiting hole (301) through the cup edge (501).
9. The vortex mixing device according to claim 1, wherein a buffer layer is arranged on the contact surface of the rotating platform (2) and the reaction cup, and a buffer layer is arranged at the joint of the limiting piece (3) and the reaction cup.
10. A sample testing analyser comprising a vortex mixing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222935441.3U CN218896000U (en) | 2022-11-04 | 2022-11-04 | Vortex mixing device and sample detection analyzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222935441.3U CN218896000U (en) | 2022-11-04 | 2022-11-04 | Vortex mixing device and sample detection analyzer |
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| CN218896000U true CN218896000U (en) | 2023-04-21 |
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| CN202222935441.3U Active CN218896000U (en) | 2022-11-04 | 2022-11-04 | Vortex mixing device and sample detection analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117890573A (en) * | 2024-03-18 | 2024-04-16 | 山东康华生物医疗科技股份有限公司 | Incubation shaking integrated measurement and detection equipment |
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2022
- 2022-11-04 CN CN202222935441.3U patent/CN218896000U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117890573A (en) * | 2024-03-18 | 2024-04-16 | 山东康华生物医疗科技股份有限公司 | Incubation shaking integrated measurement and detection equipment |
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