CN220195167U - Centrifugal device for biological experiments - Google Patents

Abstract

The utility model relates to a centrifugal device for biological experiments, which comprises a base and a rotating disc, wherein a driving device is arranged on the rotating disc and is connected with the rotating disc, the base is provided with a positioning shaft, the rotating disc is sleeved on the positioning shaft, the two sides of the base are respectively provided with a driving device and a follow-up device, the driving device comprises a driving roller and a motor, the motor drives the driving roller to rotate, the driving roller abuts against the rotating disc, the follow-up device comprises a follow-up roller, the follow-up roller abuts against the rotating disc, the driving roller and the follow-up roller are arranged on the two sides of the rotating disc, the rotating disc comprises accommodating grooves, a plurality of accommodating grooves are arranged at intervals, and the accommodating grooves are distributed along the radial direction of the rotating disc. The centrifugal device for biological experiments can enable the rotating disc to rotate in the horizontal direction or the vertical direction, enable the test tube to rotate in different postures, and simultaneously obtain different centrifugal forces, so that experimental comparison is facilitated.

Description

Centrifugal device for biological experiments

Technical Field

The utility model relates to the technical field of biological experimental equipment, in particular to a centrifugal device for biological experiments.

Background

Currently, in performing bio-related experiments, sample separation experiments are required, and a centrifugal device is generally required. For example, patent publication number CN109967266B discloses a centrifuge for biological experiments, in which the centrifugal force is adjusted by adjusting the distance between the fixed position of the test tube and the rotation center position, so that experimental data under multiple groups of centrifugal forces can be obtained by only running the present utility model once. However, the adjustment of the test tube needs to be carried out through the cylinder body and the slide bar, each fixing clamp is provided with the corresponding cylinder body and the slide bar, the occupied space is large, and the number of test tubes for carrying out experiments is effective. In addition, the centrifugal rotary drum can only be horizontally placed for rotation, cannot be vertically placed, and cannot be used for comparing different rotation modes. Patent publication No. CN113117900A discloses a centrifuge for bio-pharmaceuticals, which can realize high-speed centrifugal movement in different directions, but the clamping mechanism of the test tube is complex and requires manual operation for clamping.

Disclosure of Invention

The utility model provides the centrifugal device for the biological experiments, which can realize centrifugal movement in different directions, is convenient for placing test tubes and has a simpler structure.

The specific technical scheme is as follows: the utility model provides a centrifugal device for biological experiments, includes base and rolling disc, is equipped with drive arrangement on the rolling disc, drive arrangement is connected with the rolling disc, the base is equipped with the locating shaft, and the rolling disc cover is established on the locating shaft, the base both sides set up drive arrangement and servo device respectively, and drive arrangement includes drive roller and motor, and the motor drives the drive roller and rotates, and the drive roller supports and leans on the rolling disc, servo device includes the follow-up roller, and the follow-up roller supports and leans on the rolling disc with the drive roller setting in the rolling disc both sides, the rolling disc includes the holding tank, and a plurality of holding tank intervals set up, and the holding tank is along rolling disc radial distribution.

In some embodiments, a first mounting seat and a second mounting seat are arranged on two sides of the base, and the driving device and the follow-up device are respectively arranged in the first mounting seat and the second mounting seat.

In some embodiments, the first mounting seat is provided with a driving roller and a follower roller, and the second mounting seat is provided with two follower rollers.

In some embodiments, the rotating disc comprises an upper plate body, a partition plate and a lower plate body, wherein the partition plate is positioned between the upper plate body and the lower plate body, the partition plate, the upper plate body and the lower plate body are arranged in parallel, the upper plate body is provided with a first through hole, the partition plate is provided with a second through hole, and the first through hole and the second through hole are coaxially arranged.

In some embodiments, a stop collar is disposed within the first and second through holes.

In some embodiments, a stud is arranged in the middle of the rotating disc, and the upper plate body is sleeved on the stud and locked by a nut.

In some embodiments, a positioning column is arranged between the upper plate body and the lower plate body, and the positioning column penetrates through the partition plate.

The utility model has the technical effects that: the centrifugal device for biological experiments can enable the rotating disc to rotate in the horizontal direction or the vertical direction, enable the test tube to rotate in different postures, and simultaneously obtain different centrifugal forces, so that experimental comparison is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a centrifugal device for biological experiments according to an embodiment of the present utility model.

Fig. 2 is a plan view of a centrifugal device for biological experiments according to an embodiment of the present utility model.

Fig. 3 is a schematic view of a first mount according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a rotating disc according to an embodiment of the present utility model in a vertical position.

Fig. 5 is a schematic view of a positioning post according to an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

As shown in fig. 1 to 5, a centrifugal device for biological experiments in this embodiment includes a base 1 and a rotating disc 2, a driving device 3 is disposed on the rotating disc 2, the driving device 3 is connected with the rotating disc 2, and the rotating disc 2 is driven to rotate by the driving device 3. The base 1 is provided with a positioning shaft 11, the rotating disc 2 is sleeved on the positioning shaft 11, a driving device 3 and a follow-up device 4 are respectively arranged on two sides of the base 1, the driving device 3 comprises a driving roller 31 and a motor 32, the motor 32 drives the driving roller 31 to rotate, the motor can drive the driving roller 31 through a belt transmission mechanism, the driving roller 31 abuts against the rotating disc 2, and the rotating disc 2 is driven to rotate around the positioning shaft 11 through the rotation of the driving roller 31. The follower means 4 comprise a follower roller 41, the follower roller 41 being abutted against the rotary disc 2, the follower roller 41 and the drive roller 31 being arranged on both sides of the rotary disc 2. The rotating disc 2 comprises accommodating grooves 21, a plurality of accommodating grooves 21 are arranged at intervals, the accommodating grooves 21 are distributed along the radial direction of the rotating disc 2, and test tubes 10 filled with samples are placed in the accommodating grooves 21. In the above technical scheme, the driving device 3 is located at the side of the base 1, so that the rotating disc can rotate in the horizontal direction or the vertical direction, and the outer surfaces of the driving roller and the follow-up roller can adopt an encapsulation mode, so that the friction force is increased. The rotating disc can rotate more stably by arranging the follow-up roller. Through the holding tank of example rotating disc pivot different distances, can make the material in the test tube obtain different centrifugal forces, make things convenient for experimental comparison. Through above-mentioned technical scheme, can make the rolling disc rotate in horizontal direction or vertical direction, make the test tube can rotate under different attitudes, simultaneously, can obtain different centrifugal forces, make things convenient for the experiment contrast.

In this embodiment, the two sides of the base 1 are provided with a first mounting seat 12 and a second mounting seat 13, and the driving device 3 and the following device 4 are respectively disposed in the first mounting seat 12 and the second mounting seat 13, so that the base 1 can be placed in a turnover manner. The first mounting seat 12 is provided with a driving roller 31 and a follower roller 41, and the second mounting seat 13 is provided with two follower rollers 41, so that the rotating disc 2 can be kept stable even when vertically rotating. The rotating disc 2 comprises an upper plate body 22, a partition plate 23 and a lower plate body 24, wherein the partition plate 23 is positioned between the upper plate body 22 and the lower plate body 24, the partition plate 22, the upper plate body 23 and the lower plate body 24 are arranged in parallel, the upper plate body 22 is provided with a first through hole 221, the partition plate 23 is provided with a second through hole 231, the first through hole 221 and the second through hole 231 are coaxially arranged, so that the test tube 10 can be inserted into the first through hole and the second through hole, the bottom is supported by the lower plate body 24, the weight of the rotating disc can be reduced, and meanwhile, the test tube can be rotated more stably. Be equipped with spacing ring 5 in first through-hole 221 and the second through-hole 231, through spacing ring 5, can tighten the test tube, promote test tube steadiness, spacing ring 5 can adopt elastic material to support, for example rubber circle.

In this embodiment, the middle part of the rotating disc 2 is provided with the stud 6, the upper plate 22 is sleeved on the stud 6 and locked by the nut 7, and through the above technical scheme, the distance between the upper plate and the partition 23 can be adjusted to adapt to test tubes with different heights. The locating columns 8 are arranged between the upper plate body 22 and the lower plate body 23, and the locating columns 8 penetrate through the partition plates 23, so that connection between the plate bodies is firmer, and when the height of the upper plate body 22 is adjusted, the locating columns 8 with corresponding heights can be replaced. Further, the positioning column 8 can adopt a telescopic positioning column, so that the upper plate body can be adjusted correspondingly after the height of the upper plate body is adjusted conveniently, and the telescopic positioning column can adopt the existing modes of sleeving two cylindrical rods and the like.

The centrifugal device for biological experiments can enable the rotating disc to rotate in the horizontal direction or the vertical direction, enable the test tube to rotate in different postures, and meanwhile, can obtain different centrifugal forces, so that experiment comparison is facilitated.

The centrifugal device for biological experiments according to the present utility model has been described above, but the present utility model is not limited to the above-described specific embodiments, and various modifications and changes can be made without departing from the scope of the claims. The present utility model includes various modifications and alterations within the scope of the claims.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be appreciated by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. The utility model provides a centrifugal device for biological experiments, includes base and rolling disc, is equipped with drive arrangement on the rolling disc, and drive arrangement is connected with the rolling disc, its characterized in that, the base is equipped with the locating shaft, and the rolling disc cover is established on the locating shaft, the base both sides set up drive arrangement and follower respectively, and drive arrangement includes drive roller and motor, and the motor drives the drive roller and rotates, and the drive roller supports and leans on the rolling disc, follower includes the follower, and the follower supports and leans on the rolling disc, and follower and drive roller set up in the rolling disc both sides, the rolling disc includes the holding tank, and a plurality of holding tank intervals set up, and the holding tank is along rolling disc radial distribution.

2. The centrifugal device for biological experiments according to claim 1, wherein the first mounting seat and the second mounting seat are arranged on two sides of the base, and the driving device and the follow-up device are respectively arranged in the first mounting seat and the second mounting seat.

3. The centrifugal device for biological experiments according to claim 2, wherein a driving roller and a follower roller are provided in the first mounting seat, and two follower rollers are provided in the second mounting seat.

4. The centrifugal device for biological experiments according to claim 1, wherein the rotating disc comprises an upper plate body, a partition plate and a lower plate body, the partition plate is located between the upper plate body and the lower plate body, the partition plate, the upper plate body and the lower plate body are arranged in parallel, the upper plate body is provided with a first through hole, the partition plate is provided with a second through hole, and the first through hole and the second through hole are coaxially arranged.

5. The centrifugal device for biological experiments of claim 4, wherein a limiting ring is provided in the first through hole and the second through hole.

6. The centrifugal device for biological experiments according to claim 5, wherein a stud is arranged in the middle of the rotating disc, and the upper plate body is sleeved on the stud and locked by a nut.

7. The centrifugal device for biological experiments of claim 6, wherein a positioning column is arranged between the upper plate body and the lower plate body, and the positioning column penetrates through the partition plate.