CN221334285U - Anti-pollution centrifuging tube - Google Patents

Abstract

The utility model provides an anti-pollution centrifuge tube, and relates to the technical field of centrifuge tubes. This anti-pollution centrifuging tube includes: the centrifugal tube comprises a centrifugal tube body, wherein a graduated scale is arranged on the side wall of the centrifugal tube body; the cap is arranged at one end of the pipe orifice of the centrifuge pipe body, so that a sealing cavity is formed in the centrifuge pipe body; and the layering assembly is arranged between the pipe orifice of the centrifuge pipe body and the cap, the layering assembly divides the sealing cavity into a sample cavity and a trimming cavity from top to bottom, and a pipeline for communicating the sample cavity with the trimming cavity is arranged on the layering assembly. According to the utility model, the inside of the centrifuge tube body is divided into two relatively independent chambers through the layering assembly, the sample chamber is positioned at one end of the tube orifice of the centrifuge tube body, the balancing cavity is positioned at one end of the bottom of the centrifuge tube body, and the risk that a pollution source enters the balancing cavity is reduced.

Description

Anti-pollution centrifuging tube

Technical Field

The utility model relates to the technical field of centrifuge tubes, in particular to an anti-pollution centrifuge tube.

Background

The centrifuge tube is a tubular sample container widely used in the medical field, and the biological sample to be tested is put into the centrifuge tube, and under the action of huge centrifugal force, suspended tiny particles are settled at a certain speed under the high-speed rotation, so that the suspended tiny particles are separated from the solution.

When the sample in the test tube is processed, the rest reagents are required to be added according to the requirement, the existing centrifuge tube can only be operated after the tube cap is removed, and the sample in the tube can be polluted.

Disclosure of utility model

The utility model aims to solve the technical problems and provides an anti-pollution centrifuge tube, wherein the inside of a centrifuge tube body is divided into two relatively independent chambers through a layering assembly, a sample chamber is positioned at one end of a tube orifice of the centrifuge tube body, a balancing chamber is positioned at one end of the bottom of the centrifuge tube body, and the risk that a pollution source enters the balancing chamber is reduced.

The technical scheme adopted by the utility model is as follows:

A contamination resistant centrifuge tube comprising:

the centrifugal tube comprises a centrifugal tube body, wherein a graduated scale is arranged on the side wall of the centrifugal tube body;

The cap is arranged at one end of the pipe orifice of the centrifuge pipe body, so that a sealing cavity is formed in the centrifuge pipe body; and

The layering assembly is arranged between the pipe orifice of the centrifuge pipe body and the cap, the sealing cavity is divided into a sample cavity and a balancing cavity from top to bottom by the layering assembly, and a pipeline for communicating the sample cavity with the balancing cavity is arranged on the layering assembly.

Optionally, an external thread is provided on the outer side wall of one end of the pipe orifice of the centrifuge pipe body, and an internal thread matched with the cap is provided on the cap.

Optionally, the bottom of the lid sets up the annular piece, the annular piece be close to the one end of lid bottom with the mouth of pipe internal diameter phase-match of centrifuging tube body, the other end is followed the axis direction radial drawing in of centrifuging tube body.

Optionally, the layering component comprises:

The inner diameter of the edge is matched with the inner diameter of the centrifuge tube body, and the outer diameter of the edge is matched with the outer diameter of the centrifuge tube body;

the annular connecting plate is arranged at one end of the inner diameter of the edge; and

The funnel-shaped layering plate is characterized in that one end with a large diameter is an opening end and is connected with one end of the connecting plate, and the other end with a small diameter is an outlet end and faces the bottom of the centrifuge tube body.

Optionally, a positioning protrusion is arranged at the end part of the pipe orifice end of the centrifuge pipe body, and a positioning hole matched with the positioning protrusion is arranged on the edge.

Compared with the prior art, the utility model has the beneficial effects that:

Separate the centrifuging tube body inside into two relatively independent cavities through layering subassembly, sample cavity is located the mouth of pipe one end of centrifuging tube body, and the chamber of trimming is located the bottom one end of centrifuging tube body, reduces the risk that the pollution source got into the chamber of trimming.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of an anti-contamination centrifuge tube.

FIG. 2 is a schematic view of a partial structure of a contamination prevention centrifuge tube.

Fig. 3 is a schematic view of the cap with the ring.

Reference numerals:

1. A centrifuge tube body; 11. sealing the chamber; 12. a sample chamber; 13. balancing the cavity; 14. positioning the bulge; 2. capping; 21. a ring member; 3. a layering assembly; 31. a pipe; 32. edge edges; 33. a connecting plate; 34. a laminated plate; 35. and positioning holes.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed in use of the product of the present utility model, or orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, an embodiment of the present utility model provides a contamination prevention centrifuge tube, comprising: the centrifuge tube comprises a centrifuge tube body 1, a cap 2 and a layering assembly 3; be provided with the scale on the lateral wall of centrifuging tube body 1, the user of facilitating the use looks over the dose of sample in the testing process. The cap 2 is used to seal the nozzle of the centrifuge tube body 1 such that the interior of the centrifuge tube body 1 forms a sealed chamber 11. A delamination assembly 3 is mounted between the nozzle of the centrifuge tube body 1 and the cap 2, and the delamination assembly 3 divides the sealed chamber 11 into a sample chamber 12 and a trim chamber 13 from top to bottom. The layering assembly 3 is provided with a conduit 31 connecting the sample chamber 12 and the trim chamber 13.

When the centrifuge tube is used, samples and reagents are required to be transferred into the centrifuge tube, the cap 2 of the centrifuge tube is firstly separated from the centrifuge tube body 1, and then the centrifuge tube body 1 is vertically placed on the tray. The sample is then moved into the layered assembly 3 by a pipette, the sample is passed through the layered assembly 3 into the trim cavity 13, the required reagents are then moved into the layered assembly 3 by a pipette, and finally the cap 2 is capped. The centrifuge tube body 1 covered with the cap 2 is put into a centrifuge for centrifugal treatment.

It should be noted that the trim cavity 13 is partitioned by the layered assembly 3, reducing contact of the trim cavity 13 with the outside to reduce the chance of bacteria entering the trim cavity 13. The layered assembly 3 can be removed when the cap 2 is applied.

In one embodiment, to avoid the cap 2 from separating from the centrifuge tube body 1 during centrifugation, an external thread is provided on the outer sidewall of one end of the tube orifice of the centrifuge tube body 1, and an internal thread matching the cap 2 is provided on the cap 2.

In one embodiment, as shown in fig. 3, in order to facilitate the connection between the cap 2 and the centrifuge tube body 1, an annular member 21 is disposed at the bottom of the cap 2, one end of the annular member 21 near the bottom of the cap 2 is matched with the inner diameter of the tube orifice of the centrifuge tube body 1, and the other end is radially folded along the axial direction of the centrifuge tube body 1.

In one embodiment, as shown in fig. 1 and 2, the layered assembly 3 comprises: an annular rim 32, an annular web 33 and a funnel-shaped layering plate 34. The inner diameter of the edge 32 is matched with the inner diameter of the centrifuge tube body 1, and the outer diameter of the edge 32 is matched with the outer diameter of the centrifuge tube body 1;

In one embodiment, in order to facilitate positioning of the layered assembly 3, a positioning protrusion 14 is disposed at the end of the nozzle end of the centrifuge tube body 1, and a positioning hole 35 matched with the positioning protrusion 14 is disposed on the edge 32.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. An anti-contamination centrifuge tube, comprising:

the centrifugal tube comprises a centrifugal tube body, wherein a graduated scale is arranged on the side wall of the centrifugal tube body;

The cap is arranged at one end of the pipe orifice of the centrifuge pipe body, so that a sealing cavity is formed in the centrifuge pipe body; and

The layering assembly is arranged between the pipe orifice of the centrifuge pipe body and the cap, the sealing cavity is divided into a sample cavity and a balancing cavity from top to bottom by the layering assembly, and a pipeline for communicating the sample cavity with the balancing cavity is arranged on the layering assembly.

2. The anti-pollution centrifugal tube according to claim 1, wherein an external thread is arranged on the outer side wall of one end of the tube orifice of the centrifugal tube body, and an internal thread matched with the cap is arranged on the cap.

3. The anti-pollution centrifugal tube according to claim 1 or 2, wherein an annular piece is arranged at the bottom of the cap, one end of the annular piece, which is close to the bottom of the cap, is matched with the inner diameter of a tube orifice of the centrifugal tube body, and the other end of the annular piece is radially folded along the axis direction of the centrifugal tube body.

4. The anti-contamination centrifuge tube of claim 1, wherein the layering assembly comprises:

The inner diameter of the edge is matched with the inner diameter of the centrifuge tube body, and the outer diameter of the edge is matched with the outer diameter of the centrifuge tube body;

the annular connecting plate is arranged at one end of the inner diameter of the edge; and

The funnel-shaped layering plate is characterized in that one end with a large diameter is an opening end and is connected with one end of the connecting plate, and the other end with a small diameter is an outlet end and faces the bottom of the centrifuge tube body.

5. The anti-pollution centrifugal tube according to claim 4, wherein a positioning protrusion is arranged at the end part of the tube mouth end of the centrifugal tube body, and a positioning hole matched with the positioning protrusion is arranged on the edge.