CN210121531U

CN210121531U - Split type centrifuging tube

Info

Publication number: CN210121531U
Application number: CN201920780340.9U
Authority: CN
Inventors: 刘国彦; 刘磊; 洪裕玲; 李龙; 段林杉
Original assignee: Xiamen Hua Technology Co Ltd; Xiamen University
Current assignee: Xiamen Hua Technology Co Ltd; Xiamen University
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-03-03
Anticipated expiration: 2029-05-28

Abstract

A split type centrifuge tube relates to the field of experimental equipment and comprises a cover body, an upper tube body, a screen and a lower tube body which are sequentially screwed from top to bottom; the upper pipe body is of a hollow structure, and the lower part of the upper pipe body is provided with internal threads; the cover body is screwed on the upper port of the upper pipe body; the lower pipe body is of a structure with an opening at the upper end and a closed lower end, and the upper part of the lower pipe body is provided with internal threads; the upper port of screen cloth is the mesh face, and the lower extreme of screen cloth is open structure, and the upper portion of screen cloth is equipped with the external screw thread with the internal screw thread adaptation of upper tube, and the lower part of screen cloth is equipped with the external screw thread with the internal screw thread adaptation of lower tube. Separating the liquid phase from the solid phase to minimize the content of the liquid phase in the solid phase, and removing bacteria and impurities.

Description

Split type centrifuging tube

Technical Field

The utility model relates to an experimental device field especially relates to a split type centrifuging tube.

Background

The centrifugal tube can be used for precipitating solid phases precipitated in a solution, the solid phases are precipitated at the bottom of the tube through centrifugal force, and then liquid phases and the solid phases are separated finally through a liquid transfer gun or a pouring mode.

Disclosure of Invention

An object of the utility model is to solve the above-mentioned problem among the prior art, provide a split type centrifuging tube, can separate liquid phase and solid phase, make the liquid phase content in the solid phase fall to minimumly, also can degerming the edulcoration.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a split type centrifuge tube comprises a cover body, an upper tube body, a screen and a lower tube body which are sequentially screwed from top to bottom; the upper pipe body is of a hollow structure, and the lower part of the upper pipe body is provided with internal threads; the cover body is screwed on the upper port of the upper pipe body; the lower pipe body is of a structure with an opening at the upper end and a closed lower end, and the upper part of the lower pipe body is provided with internal threads; the upper port of screen cloth is the mesh face, and the lower extreme of screen cloth is open structure, and the upper portion of screen cloth is equipped with the external screw thread with the internal screw thread adaptation of upper tube, and the lower part of screen cloth is equipped with the external screw thread with the internal screw thread adaptation of lower tube.

The lid is equipped with the internal thread, and the upper portion of going up the pipe body is equipped with the external screw thread with lid internal thread adaptation.

The upper portion of body is equipped with the external screw thread with lid internal thread adaptation down.

The lower part of the lower pipe body is of a round bottom, flat bottom or conical structure.

The specification of the screen is 40-200 meshes.

Qualitative filter paper or a filter membrane can be covered on the mesh surface of the screen.

The aperture of the filter membrane is 0.2-0.45 nm.

The cover body, the upper pipe body, the screen and the lower pipe body are made of polypropylene.

Compared with the prior art, the utility model discloses technical scheme obtains beneficial effect is:

1. compared with the traditional centrifuge tube, the utility model discloses a split type structure will go up body, screen cloth and lower body spiro union equipment, can realize the physics with solid phase and liquid phase and separate, and the solid phase lies in the last body and on the wire side of screen cloth after the centrifugation, and the liquid phase then lies in the bottom of body down, and separation effect is good, makes the liquid phase content in the solid phase fall to minimumly, saves the dry time of solid phase sample, promotes the experimental efficiency.

2. The utility model discloses can be used to the traditional chinese medicine filter residue and filter, choose the screen cloth of different mesh numbers for use according to the texture of traditional chinese medicine filter residue to obtain comparatively dry traditional chinese medicine filter residue.

3. The utility model discloses possess the multifunctionality, except solid-liquid phase separation, also can cover qualitative filter paper or filter membrane on the mesh surface upper strata of screen cloth to realize centrifugal edulcoration or degerming.

4. The utility model discloses repeatedly usable, utensil feature of environmental protection, and practice thrift the cost.

Drawings

Fig. 1 is a schematic exploded view of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention clearer and more obvious, the following description is made in detail with reference to the accompanying drawings and embodiments.

As shown in fig. 1-2, the utility model comprises a cover body 1, an upper pipe body 2, a screen 3 and a lower pipe body 4 which are screwed in sequence from top to bottom;

the cover body 1 is provided with internal threads, and the upper part of the upper pipe body 2 is provided with external threads 21 matched with the internal threads of the cover body 1, so that the cover body 1 is screwed on the upper port of the upper pipe body 2;

the upper pipe body 2 is of a hollow structure, and internal threads are arranged at the lower part of the upper pipe body 2;

the lower pipe body 4 is of a structure with an opening at the upper end and a closed lower end, the lower part of the lower pipe body 4 is of a round bottom structure, the upper part of the lower pipe body 4 is provided with internal threads 41, and the upper part of the lower pipe body 4 is provided with external threads 42 matched with the internal threads of the cover body 1;

the upper port of screen cloth 3 is mesh face 31, and the lower extreme of screen cloth 3 is open structure, and the upper portion of screen cloth 3 is equipped with the external screw thread 32 with the internal screw thread adaptation of upper pipe body 2, and the lower part of screen cloth 3 is equipped with the external screw thread 33 with the internal screw thread 41 adaptation of lower pipe.

The lower part of the lower tube body 4 can also be of a conical structure, and the centrifuge tube of the conical structure is firmer.

The specification of the screen 3 is 40-200 meshes, and an appropriate screen 3 can be selected according to the size of a solid phase.

Qualitative filter paper or filter membrane can be covered on the mesh surface of the screen 3, the aperture of the filter membrane is 0.2-0.45 nm, and the filter membrane can be used for centrifugal impurity removal or sterilization.

In this embodiment, the cover 1, the upper pipe 2, the screen 3, and the lower pipe 4 are made of polypropylene.

The utility model discloses an equipment and application method as follows:

1. selecting a screen 3 with a proper specification in advance according to the requirements of separating a solid-liquid mixed phase or removing bacteria and impurities, and placing a filter membrane or qualitative filter paper with a certain specification on the screen 3 according to the requirements;

2. firstly, the external thread on the upper part of the screen 3 is in threaded connection with the internal thread on the lower part of the upper pipe body 2 so as to assemble the screen 3 with the upper pipe body 2, then the external thread on the lower part of the screen 3 is in threaded connection with the internal thread on the upper part of the lower pipe body 4 so as to assemble the screen 3 with the lower pipe body 4, and thus, the upper pipe body 2, the screen 3 and the lower pipe body 4 are assembled;

3. placing a solid-liquid mixed phase to be separated into an upper tube body 2, screwing a cover body 1 to the upper port of the upper tube body 2, then placing a split type centrifuge tube into a centrifuge, and centrifuging at a rotating speed of 2000-50000 g/min according to the density of a solid-liquid phase (the centrifuge is balanced according to the requirement of the centrifuge);

4. according to the experimental requirement, if the liquid phase is to be reserved, the lower pipe body 4 is screwed out after centrifugation, the cover body 1 is screwed on the upper port of the lower pipe body 4 through the external thread of the lower pipe body 4 and the internal thread of the cover body 1, and thus the liquid phase of the lower pipe body 4 can be reserved; if the solid phase is to be retained, the liquid phase in the lower tube 4 can be discarded, and the solid phase retained in the upper tube 2 and the screen 3 can be retained and transferred to another container.

Claims

1. A split type centrifuging tube, its characterized in that: comprises a cover body, an upper pipe body, a screen and a lower pipe body which are sequentially screwed from top to bottom; the upper pipe body is of a hollow structure, and the lower part of the upper pipe body is provided with internal threads; the cover body is screwed on the upper port of the upper pipe body; the lower pipe body is of a structure with an opening at the upper end and a closed lower end, and the upper part of the lower pipe body is provided with internal threads; the upper port of screen cloth is the mesh face, and the lower extreme of screen cloth is open structure, and the upper portion of screen cloth is equipped with the external screw thread with the internal screw thread adaptation of upper tube, and the lower part of screen cloth is equipped with the external screw thread with the internal screw thread adaptation of lower tube.

2. The split-type centrifuge tube of claim 1, wherein: the lid is equipped with the internal thread, and the upper portion of going up the pipe body is equipped with the external screw thread with lid internal thread adaptation.

3. The split-type centrifuge tube of claim 2, wherein: the upper portion of body is equipped with the external screw thread with lid internal thread adaptation down.

4. The split-type centrifuge tube of claim 1, wherein: the lower part of the lower pipe body is of a round bottom, flat bottom or conical structure.

5. The split-type centrifuge tube of claim 1, wherein: the specification of the screen is 40-200 meshes.

6. The split-type centrifuge tube of claim 1, wherein: qualitative filter paper or a filter membrane is covered on the mesh surface of the screen.

7. The split-type centrifuge tube of claim 6, wherein: the aperture of the filter membrane is 0.2-0.45 nm.

8. The split-type centrifuge tube of claim 1, wherein: the cover body, the upper pipe body, the screen and the lower pipe body are made of polypropylene.