CN216964969U

CN216964969U - Horizontal rotor centrifuge

Info

Publication number: CN216964969U
Application number: CN202220783758.7U
Authority: CN
Inventors: 赵肖琼; 梁泰帅
Original assignee: Taiyuan Institute of Technology
Current assignee: Taiyuan Institute of Technology
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-15
Anticipated expiration: 2032-04-06

Abstract

The utility model provides a horizontal rotor centrifuge, comprising: the centrifugal tube centrifuge comprises a shell, a rotor and hanging baskets for placing centrifuge tubes, wherein the rotor is arranged in the shell, a plurality of mounting positions are arranged in the circumferential direction of the rotor, and each mounting position is provided with one hanging basket; a slide rail extending along the radial direction is arranged at a position corresponding to the mounting position on the rotor, a slide block is arranged on the slide rail, a bayonet opening along the vertical direction is arranged at one end of the slide block facing to the outer side, and the slide block is provided with a resetting mechanism and can be always kept at a position close to a rotor rotating shaft; when the rotor is static, the slider is in initial position, and when the rotational speed of rotor reached and predetermine the speed, the slider outwards slided under the effect of centrifugal force for the bayonet socket is gone into to the one end card of the hanging flower basket that is in the horizontality. The horizontal rotor centrifugal machine provided by the utility model can improve the stability of the hanging basket when the rotor rotates at a high speed.

Description

Horizontal rotor centrifuge

Technical Field

The utility model belongs to a centrifugal machine, and particularly relates to a horizontal rotor centrifugal machine.

Background

Centrifuges are common biopharmaceutical devices that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifugal machine is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are not mutually soluble in emulsion; it can also be used to remove liquids from wet solids, such as by spin drying wet clothes with a washing machine; the special overspeed tubular separator can also separate gas mixtures with different densities; some settling centrifuges can also grade solid particles according to density or granularity by utilizing the characteristic that solid particles with different densities or granularities have different settling speeds in liquid.

The current centrifuge is mainly provided with a rotor in a main body, and during working, a test tube is arranged on the rotor to rotate at a high speed along with the rotor, so that centrifugation is performed. According to the angle between the direction of the centrifugal tube and the rotating shaft in work, the centrifugal tube is divided into an angle rotor centrifugal machine and a horizontal rotor centrifugal machine. Centrifuging tube among the angle rotor centrifuge can keep fixed angle centrifugation, can use higher rotational speed, but during the granule subsides, hits the centrifuging tube along centrifugal force direction earlier, then along the pipe wall cunning to the socle, the granule deposit can appear and produce the wall effect in one side of pipe, influences the separation effect. Horizontal rotor centrifuge during operation, centrifuging tube are in horizontal position, and the sample direction of subsiding is along centrifuging tube axial displacement, subsides at the socle at last, and the collection of being convenient for does benefit to and takes out from the centrifuging tube layering, but owing to the easy oscillatation from top to bottom of the hanging flower basket of placing the centrifuging tube, the steadiness is relatively poor, and the rotational speed of rotor is lower.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a centrifugal machine which can improve the stability of a hanging basket when a rotor rotates at a high speed.

The utility model provides a horizontal rotor centrifuge comprising: the centrifugal tube centrifuge comprises a shell, a rotor and hanging baskets for placing centrifuge tubes, wherein the rotor is arranged in the shell, a plurality of mounting positions are arranged in the circumferential direction of the rotor, and each mounting position is provided with one hanging basket; the hanging basket is rotationally connected with the rotor, the hanging basket is kept in a vertical state under the action of gravity when the rotor is static, and the hanging basket is kept in a horizontal state under the action of centrifugal force when the hanging basket works;

a slide rail extending along the radial direction is arranged at a position corresponding to the mounting position on the rotor, a slide block is arranged on the slide rail, a bayonet opening along the vertical direction is arranged at one end of the slide block facing to the outer side, and the slide block is provided with a resetting mechanism and can be always kept at a position close to a rotor rotating shaft;

when the rotor is static, the slider is in the initial position, and when the rotational speed of rotor reached and predetermine speed, the slider outwards slided under the effect of centrifugal force for the one end card of the hanging flower basket that is in the horizontality is gone into the bayonet socket.

The working principle of the horizontal rotor centrifuge provided by the utility model is as follows: the installation position of rotor is equipped with can be along radial gliding slider, and the one end of going to the outside on the slider is equipped with the bayonet socket, and the during operation, the slider outwards is close to the hanging flower basket and slides under the effect of centrifugal force to with the bayonet socket cover in the one end of the hanging flower basket that is in the horizontality, the rotation of restriction hanging flower basket, prevent that the hanging flower basket from rocking the shakiness, thereby can improve the revolution of rotor, increase centrifugal force, improve centrifugal effect, after rotor rotational speed descends, the slider separates with the hanging flower basket under canceling release mechanical's effect.

According to an embodiment of the present invention, the return mechanism is a spring.

According to an embodiment of the utility model, a clamping protrusion for fitting with the bayonet is arranged at the center of the hanging basket.

According to an embodiment of the present invention, the bayonet is provided with a guide slope.

According to an embodiment provided by the utility model, a replaceable adapting sleeve is arranged in the hanging basket, and a plurality of placing holes for placing centrifugal tubes are arranged on the adapting sleeve.

According to an embodiment of the present invention, the number of the baskets is four.

According to an embodiment of the present invention, the housing includes a main body and an upper cover.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is an external view of a horizontal rotor centrifuge according to an exemplary embodiment;

FIG. 2 is a schematic diagram of a horizontal rotor centrifuge according to an embodiment;

FIG. 3 is a schematic diagram of the horizontal rotor centrifuge in operation.

Description of the reference numerals

11-body

12-upper cover

2-rotor

21-slide rail

3-hanging basket

4-sliding block

41-bayonet

5-resetting mechanism

6-card convex

7-adapting sleeve

71-Placement holes

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

Examples

Referring to fig. 1 to 3, the present embodiment provides a horizontal rotor centrifuge including: the centrifuge tube comprises a shell, a rotor 2 and hanging baskets 3 for placing centrifuge tubes, wherein the shell comprises a main body 11 and an upper cover 12, the rotor 2 is arranged in the shell, four mounting positions are arranged in the circumferential direction of the rotor 2, and each mounting position is provided with one hanging basket 3; the hanging basket 3 is rotationally connected with the rotor 2, when the rotor 2 is static, the hanging basket 3 keeps a vertical state under the action of gravity, and when the hanging basket 3 works, the hanging basket 3 keeps a horizontal state under the action of centrifugal force.

On the rotor 2, a slide rail 21 extending along the radial direction is arranged at a position corresponding to the installation position, a slide block 4 is arranged on the slide rail 21, a bayonet 41 opening along the vertical direction is arranged at one end of the slide block 4 facing to the outer side, and a reset mechanism 5 is arranged on the slide block 4 and can be always kept at a position close to the rotating shaft of the rotor 2.

When the rotor 2 is stationary, the sliding block 4 is in an initial position, referring to fig. 3, when the rotation speed of the rotor 2 reaches a preset speed, the sliding block 4 slides outward under the action of centrifugal force, so that one end of the hanging basket 3 in a horizontal state is clamped into the bayonet 41.

Rotor 2's installation position is equipped with can be along radial gliding slider 4, slider 4 is equipped with bayonet 41 towards the one end of outside, the during operation, slider 4 outwards slides near hanging flower basket 3 under the effect of centrifugal force, thereby overlap bayonet 41 at the one end of hanging flower basket 3 that is in the horizontality, restrict hanging flower basket 3's rotation, prevent that hanging flower basket 3 from rocking the shakiness, thereby can improve rotor 2's revolution, increase centrifugal force, improve centrifugal effect, after rotor 2 rotational speed descends, slider 4 separates with hanging flower basket 3 under canceling release mechanical system 5's effect.

Specifically, the return mechanism 5 is a spring. One end of the sliding block 4 close to the rotating shaft of the rotor 2 is connected with the rotor 2 through a spring, and when the sliding block 4 slides outwards, the spring is stretched.

The center of the hanging basket 3 is provided with a clamping protrusion 6 matched with the clamping opening 41, and the clamping opening 41 is provided with a guide inclined surface. When the guide slope is used, the size of the bayonet 41 is a reduced bell mouth from outside to inside, so that the clamping protrusion 6 can be conveniently inserted into the bayonet 41.

More specifically, a replaceable adapter sleeve 7 is arranged in the basket 3, and a plurality of placing holes 71 for placing centrifuge tubes are arranged on the adapter sleeve 7. Different adaptation sets 7 can be adapted according to the size of the centrifuge tube.

It is to be noted here that the control functions, algorithms, methods etc. of the centrifuge to which the present invention relates are merely routine adaptations of the prior art. Therefore, the present invention is an improvement of the prior art, which is substantially related to the connection relationship between hardware, and not to the functions, algorithms, and methods themselves, that is, the present invention relates to a single function, algorithm, and method, but does not include the improvements proposed to the functions, algorithms, and methods themselves. The description of the present invention in terms of functions, algorithms and methods is provided for better understanding of the present invention.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents.

Claims

1. A horizontal rotor centrifuge, comprising: the centrifuge tube comprises a shell, a rotor (2) and hanging baskets (3) for placing centrifuge tubes, wherein the rotor (2) is arranged in the shell, a plurality of mounting positions are arranged in the circumferential direction of the rotor (2), and each mounting position is provided with one hanging basket (3); the hanging basket (3) is rotationally connected with the rotor (2), when the rotor (2) is static, the hanging basket (3) is kept in a vertical state under the action of gravity, and when the hanging basket works, the hanging basket (3) is kept in a horizontal state under the action of centrifugal force;

a slide rail (21) extending along the radial direction is arranged at a position corresponding to the mounting position on the rotor (2), a slide block (4) is arranged on the slide rail (21), a bayonet (41) opened along the up-down direction is arranged at one end, facing the outer side, of the slide block (4), and the slide block (4) is provided with a reset mechanism (5) which can be always kept at a position close to the rotating shaft of the rotor (2);

when rotor (2) are static, slider (4) are in initial position, when the rotational speed of rotor (2) reaches and predetermines speed, slider (4) slide to the outside under the effect of centrifugal force for the one end card of hanging flower basket (3) that is in the horizontality is gone into bayonet socket (41).

2. The horizontal rotor centrifuge according to claim 1, characterized in that the return mechanism (5) is a spring.

3. The horizontal rotor centrifuge according to claim 2, characterized in that the basket (3) is centrally provided with a bayonet (6) for fitting with the bayonet (41).

4. A horizontal rotor centrifuge according to claim 3, characterised in that the bayonet (41) is provided with a guide ramp.

5. The horizontal rotor centrifuge according to claim 1, wherein a replaceable fitting ring (7) is arranged in the basket (3), and a plurality of placing holes (71) for placing centrifuge tubes are arranged on the fitting ring (7).

6. The horizontal rotor centrifuge according to claim 1, characterized in that the baskets (3) are four.

7. The horizontal rotor centrifuge according to claim 1, wherein the casing comprises a main body (11) and an upper cover (12).