CN219631356U

CN219631356U - Centrifuge tube

Info

Publication number: CN219631356U
Application number: CN202320357630.9U
Authority: CN
Inventors: 王建勋; 史渊源
Original assignee: Guangdong Junhou Biopharmaceutical Co ltd
Current assignee: Guangdong Junhou Biopharmaceutical Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-09-05
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses a centrifuge tube, which comprises an outer tube body and an inner tube body. The inner pipe body extends along the height direction of the outer pipe body and penetrates through the outer pipe body, the lower end of the inner pipe body is connected with the lower end of the outer pipe body, the inner pipe body and the outer pipe body are enclosed to form a containing cavity, a plurality of isolation plates are arranged between the inner pipe body and the outer pipe body, two sides of each isolation plate are connected with the outer pipe body and the inner pipe body respectively, the isolation plates divide the containing cavity to form a plurality of containing holes, the containing holes are blind holes with upward openings, the inner pipe body is provided with through holes, and the containing holes are distributed around the hole axis of the through holes. The water flow exchanges heat with the material in the accommodating hole in two opposite directions of the accommodating hole, so that the heat exchange speed of the material close to the central axis of the outer pipe body is increased, the heat exchange area is increased, the time required by regulating the temperature of the water bath can be reduced, and the test efficiency is improved.

Description

Centrifuge tube

Technical Field

The utility model relates to the field of centrifuge tubes, in particular to a centrifuge tube.

Background

When carrying out multiunit parallel test, in order to reduce the influence of test conditions such as time and temperature to the test, can adopt current centrifuging tube, it has outer body and division board, and outer body lower extreme is closed and forms the holding chamber that the opening is up, is provided with two or more quantity along the division board of vertical setting in the holding chamber, and the division board intercrosses and sets up to separate the holding chamber and form a plurality of opening holding holes up, the holding hole is the blind hole. The materials for multiple groups of parallel experiments are respectively injected into different containing holes, so that the influence of test conditions such as time, temperature and the like on the test can be reduced to the greatest extent. Centrifuge tubes are typically heated in a water bath to control the temperature of the internal material. However, although the centrifuge tube can carry out a plurality of groups of parallel tests at one time, the diameter of the centrifuge tube is greatly increased by arranging a plurality of containing holes, and when the temperature of the centrifuge tube is regulated by adopting water bath, the water bath time required for the whole centrifuge tube to reach the test temperature is also greatly increased, so that the test efficiency is obviously reduced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the centrifuge tube, which can reduce the time required by adjusting the temperature of the water bath and improve the test efficiency.

A centrifuge tube according to an embodiment of the present utility model includes an outer tube and an inner tube. The inner pipe body extends along the height direction of the outer pipe body and penetrates through the outer pipe body, the lower end of the inner pipe body is connected with the lower end of the outer pipe body, the inner pipe body and the outer pipe body enclose to form a containing cavity, a plurality of isolation plates are arranged between the inner pipe body and the outer pipe body, two sides of each isolation plate are respectively connected with the outer pipe body and the inner pipe body, each isolation plate separates the containing cavity to form a plurality of containing holes, each containing hole is a blind hole with an upward opening, the inner pipe body is provided with a through-flow hole, and the containing holes are distributed around the hole axis of the through-flow hole.

The centrifuge tube provided by the embodiment of the utility model has at least the following beneficial effects: the multiple containing holes of the centrifuge tube can be used for containing multiple groups of materials respectively, when the temperature of the centrifuge tube is regulated by water bath, water flow can enter the through holes, the outer tube body and the inner tube body are in contact with water flow, the materials in the containing holes are subjected to heat exchange with the water flow through the tube wall of the outer tube body, and meanwhile, the heat exchange is carried out through the tube wall of the inner tube body and the water flow, compared with the heat exchange only through the tube wall of the outer tube body, the water flow is subjected to heat exchange with the materials in the containing holes in two opposite directions of the containing holes, the heat exchange speed of the materials close to the central axis of the outer tube body is increased, and the heat exchange area is increased, so that the centrifuge tube can reduce the time required by regulating the temperature by water bath, and the test efficiency is improved.

According to some embodiments of the utility model, the central axis of the inner tube is collinear with the central axis of the outer tube.

According to some embodiments of the utility model, the spacers are uniformly distributed circumferentially along the central axis of the outer tubular body.

According to some embodiments of the utility model, the partition plate and the accommodation hole are each provided with four, and two adjacent partition plates along the circumferential direction of the inner tube body are perpendicular to each other.

According to some embodiments of the utility model, the cover further comprises a cover body detachably arranged on the outer tube body and used for sealing or opening the accommodating hole.

According to some embodiments of the utility model, the cover is connected to the outer tube via a connector, and the outer tube, the inner tube, the separator, the cover and the connector are integrally formed.

According to some embodiments of the utility model, the cover is connected to the outer tube by a connector, the connector being deformable.

According to some embodiments of the utility model, the cover body is provided with a connecting through hole, and the connecting through hole is opposite to and communicated with the through hole.

According to some embodiments of the utility model, the cover is provided with a clamping portion, the outer tube is provided with a mating portion for clamping with the clamping portion, and the clamping portion is adapted with the mating portion.

According to some embodiments of the utility model, the engaging portion is a hook, and the mating portion is an annular bump disposed around the outer tube, and the annular bump is connected to an outer sidewall of the outer tube.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic perspective view of a centrifuge tube according to an embodiment of the present utility model with the cover open;

FIG. 2 is a schematic top view of a centrifuge tube with a lid open in accordance with an embodiment of the present utility model;

FIG. 3 is a schematic view in section in the direction B-B of FIG. 2;

FIG. 4 is a schematic perspective view of a centrifuge tube with a lid closed in accordance with an embodiment of the present utility model;

fig. 5 is a schematic view of the C-C direction of fig. 4 in section.

Reference numerals:

an outer tube body 100, a fitting portion 110;

an inner tube 200 passing through the flow hole 210;

a partition plate 300;

a receiving hole 400;

a cover 500, a connection through hole 510, and a clamping portion 520;

a connector 600;

the central axis A of the outer tube body.

Detailed Description

Embodiments of the utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus 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 utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1-5, a centrifuge tube according to an embodiment of the present utility model includes an outer tube 100 and an inner tube 200. The inner pipe body 200 extends along the height direction of the outer pipe body 100 and penetrates through the outer pipe body 100, the lower end of the inner pipe body 200 is connected with the lower end of the outer pipe body 100, the inner pipe body 200 and the outer pipe body 100 enclose to form a containing cavity, four isolation plates 300 are arranged between the inner pipe body 200 and the outer pipe body 100, two sides of each isolation plate 300 are respectively connected with the outer pipe body 100 and the inner pipe body 200, the isolation plates 300 divide the containing cavity to form four containing holes 400, the containing holes 400 are blind holes with upward openings, the inner pipe body 200 is provided with through holes 210, and the containing holes 400 are distributed around the hole axes of the through holes 210.

It is conceivable that three or more partition plates 300 are provided, and the number of partition plates 300 is the same as the number of receiving holes 400.

The multiple containing holes 400 of the centrifuge tube can respectively contain multiple groups of materials, when the temperature is regulated by the centrifuge tube in a water bath, water flows can enter the through holes 210, the outer tube body 100 and the inner tube body 200 are in contact with water flows, the materials in the containing holes 400 are subjected to heat exchange with the water flows through the tube wall of the outer tube body 100, and meanwhile, the materials in the containing holes 400 are subjected to heat exchange with the materials in the containing holes 400 in two opposite directions relative to the heat exchange with the tube wall of the outer tube body 100, so that the heat exchange speed of the materials close to the central axis of the outer tube body 100 is increased, the heat exchange area is increased, the time required by regulating the temperature by the water bath can be reduced, and the test efficiency is improved.

In an embodiment, the central axis of the inner tube 200 is collinear with the central axis of the outer tube 100. The central axis of the inner tube body 200 is collinear with the central axis of the outer tube body 100, so that the distances between the respective receiving holes 400 and the central axis of the outer tube body 100 are the same, and the overall heat exchange rate of the respective receiving holes 400 is equalized.

In an embodiment, the spacer plates 300 are uniformly distributed along the central axis circumference of the outer tube body 100. The plurality of isolation plates 300 are arranged at equal angles, so that each accommodating hole 400 can be rotationally symmetrical, the influence of other factors on the heat exchange efficiency is reduced, and the overall heat exchange efficiency of each accommodating hole 400 is balanced.

In the embodiment, the partition plate 300 and the receiving hole 400 are provided with four, and two adjacent partition plates 300 are perpendicular to each other. The isolation plates 300 are mutually perpendicular, the structure is simple, the implementation is easy, and the four containing holes 400 can meet the requirements of routine tests.

In an embodiment, the cover 500 is further included, and the cover 500 is detachably disposed on the outer tube 100 and is used for covering or opening the accommodating hole 400. The detachable cover 500 is provided, so that the cover 500 is conveniently used to seal the material in the receiving hole 400, and the opening of the receiving hole 400 is conveniently opened to take out the internal material.

In an embodiment, the cover 500 is connected to the outer tube 100 through the connection member 600, and the outer tube 100, the inner tube 200, the separation plate 300, the cover 500 and the connection member 600 are integrally formed. The centrifuge tube with the structure simplifies the production and assembly process and reduces the manufacturing difficulty and cost. Specifically, the centrifuging tube is plastics material, for example PP material, PC material or PE material etc. and the person skilled in the art can confirm by oneself according to actual need.

In an embodiment, the connector 600 is deformable. Because the centrifuge tube is made of plastic, the plastic has certain deformability, and the cover body 500 can be conveniently covered or opened to the outer tube body 100. It is conceivable that when the cover 500 and the outer tube 100 are two parts formed separately, the connecting member 600 may be a rope or chain made of different materials, and both ends of the rope or chain are connected to the cover 500 and the outer tube 100, respectively.

In the embodiment, the cover 500 is provided with a connection through hole 510, and the connection through hole 510 is opposite to and communicates with the through hole 210. The lid 500 sets up connecting hole 510, connecting hole 510 and the through-flow hole 210 intercommunication, and when the opening of lid 500 closing cap holding hole 400, the both ends of through-flow hole 210 all link up, and the air discharge in the through-flow hole 210 when making things convenient for rivers to get into avoids the unable problem of intaking of through-flow hole 210.

In an embodiment, the cover 500 is provided with a clamping portion 520, the outer tube 100 is provided with a fitting portion 110 for clamping with the clamping portion 520, and the clamping portion 520 is adapted to the fitting portion 110. The cover body 500 is detachably connected with the outer pipe body 100 in a clamping connection mode, so that the structure is simple, and the cover body 500 is convenient to disassemble and assemble. It is envisioned that the cap 500 may be removably coupled to the outer body 100 by other means, such as a threaded connection.

In the embodiment, the clamping portion 520 is a hook, and the matching portion 110 is an annular bump disposed around the outer tube 100, and the annular bump is connected to an outer sidewall of the outer tube 100. The annular projection facilitates assembly of the cap 500 with the outer tube 100 without alignment. It is conceivable that the engaging portion 520 may also be a slot, and the engaging portion 110 is a hook disposed on the outer tube 100, and the hook is adapted to the slot.

Specifically, the three hooks are arranged around the central axis of the cover 500, so that the cover 500 is convenient to install firmly.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A centrifuge tube, comprising:

an outer tube (100);

the inner pipe body (200) extends along the height direction of the outer pipe body (100) and penetrates through the outer pipe body (100), the lower end of the inner pipe body (200) is connected with the lower end of the outer pipe body (100), the inner pipe body (200) and the outer pipe body (100) are enclosed to form a containing cavity, a plurality of isolation plates (300) are arranged between the inner pipe body (200) and the outer pipe body (100), two sides of each isolation plate (300) are respectively connected with the outer pipe body (100) and the inner pipe body (200), each isolation plate (300) separates the containing cavity to form a plurality of containing holes (400), each containing hole (400) is a blind hole with an upward opening, the inner pipe body (200) is provided with a through hole (210), and the containing holes (400) are distributed around the hole axis of each through hole (210).

2. The centrifuge tube of claim 1, wherein: the central axis of the inner tube body (200) is collinear with the central axis of the outer tube body (100).

3. The centrifuge tube of claim 1 or 2, wherein: the isolation plates (300) are uniformly distributed along the circumferential direction of the central axis of the outer pipe body (100).

4. A centrifuge tube according to claim 3, wherein: the isolation plates (300) and the accommodating holes (400) are respectively provided with four, and two adjacent isolation plates (300) along the circumferential direction of the inner pipe body (200) are mutually perpendicular.

5. The centrifuge tube of claim 1, wherein: the cover body (500) is detachably arranged on the outer pipe body (100) and is used for sealing or opening the opening of the accommodating hole (400).

6. The centrifuge tube of claim 5, wherein: the cover body (500) is connected with the outer pipe body (100) through a connecting piece (600), and the outer pipe body (100), the inner pipe body (200), the isolation plate (300), the cover body (500) and the connecting piece (600) are of an integrated structure.

7. The centrifuge tube of claim 5, wherein: the cover body (500) is connected with the outer pipe body (100) through a connecting piece (600), and the connecting piece (600) can deform.

8. The centrifuge tube of claim 5, wherein: the cover body (500) is provided with a connecting through hole (510), and the connecting through hole (510) is opposite to and communicated with the through hole (210).

9. The centrifuge tube of claim 5, wherein: the cover body (500) is provided with a clamping portion (520), the outer pipe body (100) is provided with a matching portion (110) used for being clamped with the clamping portion (520), and the clamping portion (520) is matched with the matching portion (110).

10. The centrifuge tube of claim 9, wherein: the clamping part (520) is a clamping hook, the matching part (110) is an annular protruding block which is arranged around the outer pipe body (100), and the annular protruding block is connected to the outer side wall of the outer pipe body (100).