CN217189667U - Simple separating funnel type centrifuge tube - Google Patents

Abstract

The utility model relates to the technical field of extraction devices, and discloses a simple separating funnel type centrifuge tube, which comprises a cylindrical tube body, wherein the upper end and the lower end of the cylindrical tube body are both provided with openings, an upper sealing cover is arranged at the opening at the upper end of the cylindrical tube body, a conical funnel is arranged at the lower end of the cylindrical tube body, a liquid outlet pipe is arranged at the tip end of the conical funnel, a lower cap is arranged on the liquid outlet of the liquid outlet pipe, and a discharge port with the diameter of 0.1 +/-0.02 mm is arranged on the lower cap; the conical funnel and the liquid outlet pipe are both hidden in the cylindrical pipe body; the drain pipe is an elbow pipe with at least one right-angle corner. The utility model provides a simple and easy separating funnel formula centrifuging tube has simple structure, divides effectual, can directly stand the characteristics at the mesa.

Description

Simple separating funnel type centrifuge tube

Technical Field

The utility model relates to an extraction utensil technical field especially relates to a simple and easy separating funnel formula centrifuging tube.

Background

The centrifugal acceleration technology can be adopted to quickly separate various mutually incompatible liquids with different specific gravities; therefore, some centrifuge tubes with liquid separation function appear in the prior art, and specific reference can be made to chinese patent applications with publication numbers CN108479877A, CN106861786A, CN208213214U, CN206577777U, and the like.

However, the bottom of the existing centrifugal tubes with liquid separating function is of a tip structure or a dome structure, and a special preventing frame is required to be equipped for vertical placement, so that the problem of inconvenient placement exists. In addition, in order to accurately control liquid outlet, a special switch piece is generally required to be arranged at a liquid outlet, and the structure is complex; and if only a simple plug is used as a switch piece, the problems of easy liquid leakage and incomplete separation exist.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims to provide a simple structure, divide effectual, the liquid separating funnel formula centrifuging tube that can directly stand at the mesa of liquid.

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

A simple separating funnel type centrifuge tube is a transparent plastic tube and is characterized by comprising a cylindrical tube body, wherein the upper end and the lower end of the cylindrical tube body are both provided with openings, an upper sealing cover is arranged at the opening at the upper end of the cylindrical tube body, a conical funnel is arranged at the lower end of the cylindrical tube body, a liquid outlet tube is arranged at the tip end of the conical funnel, a lower cap is arranged on the liquid outlet of the liquid outlet tube, and a discharge port with the diameter of 0.1 +/-0.02 mm is arranged on the lower cap; the conical funnel and the liquid outlet pipe are both hidden in the cylindrical pipe body; the drain pipe is an elbow pipe with at least one right-angle corner.

Preferably, the transparent plastic tube is a transparent PP tube.

Preferably, an anti-adhesive coating is provided on the inner wall of the transparent plastic tube.

Preferably, the volume of the simple separatory funnel centrifuge tube is 50mL, 60mL, 125mL, 250mL or 500 mL.

Preferably, the cylindrical pipe body is a cylindrical pipe, an elliptic cylindrical pipe or a prismatic pipe.

Preferably, the upper sealing cover is a rubber plug, and the lower sealing cover is a plastic cover.

Preferably, the inlet and the outlet of the liquid outlet pipe and the cylindrical pipe body are coaxially arranged, and the right-angle corner is formed by a plurality of bending parts formed on the liquid outlet pipe.

The utility model has the advantages that: 1) go up sealed lid, lower cap and take right angle corner's drain pipe and combine together, need not to set up the switch spare that the structure is complicated at the liquid outlet, and only adopt sealed lid also can play fine prevention of liquid leakage effect, simple structure, it is convenient to implement. 2) Because cone funnel and drain pipe all hide in the column shape pipe internally, can directly stand whole simple and easy separating funnel formula centrifuging tube on mesas such as laboratory bench, be convenient for operation of big batch sample. 3) The aperture of the upper discharge port of the lower cover cap is 0.1 +/-0.02 mm, so that the flow rate of liquid separation can be conveniently controlled.

Drawings

Fig. 1 is a schematic view of the simple separating funnel type centrifuge tube according to the present invention.

Reference numerals indicate the same.

1: cylindrical pipe body, 2: upper sealing cover, 3: conical funnel, 4: a liquid outlet pipe, 5: lower cap, 6: a bending part.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will further describe embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages of the present invention will be more clear and definite. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

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

As shown in fig. 1, a simple separating funnel type centrifuge tube is a transparent plastic tube, and comprises a cylindrical tube body 1, wherein the upper end and the lower end of the cylindrical tube body 1 are both provided with openings, an upper sealing cover 2 is arranged at the opening at the upper end of the cylindrical tube body 1, a conical funnel 3 is arranged at the lower end of the cylindrical tube body 1, a liquid outlet pipe 4 is arranged at the tip end of the conical funnel 3, a lower cap 5 is arranged on a liquid outlet of the liquid outlet pipe 4, and a discharge port with the diameter of 0.1 +/-0.02 mm is arranged on the lower cap 5; the conical funnel 3 and the liquid outlet pipe 4 are both hidden in the cylindrical pipe body 1; the liquid outlet pipe 4 is an elbow pipe with at least one right-angle corner.

The cone-shaped funnel 3 and the liquid outlet pipe 4 are both hidden in the cylindrical pipe body 1, namely, the cone-shaped funnel 3 and the liquid outlet pipe 4 cannot be seen from the lowest end of the cylindrical pipe body 1 in the ordinary time; i.e. the conical funnel 3 and the outlet pipe 4 do not protrude out of the plane of the bottom surface of the cylindrical body 1.

When the liquid separating device works, the upper sealing cover 2 is taken down to separate liquid and discharge, and when the upper sealing cover 2 is covered, liquid cannot be discharged from a discharge port under the influence of external air pressure, so that the liquid leakage preventing effect is achieved.

Compared with the prior art, the simple separating funnel type centrifuge tube provided by the embodiment has the following advantages: 1) go up sealed lid 2, lower block 5 and take orthogonal drain pipe 4 to combine together, need not to set up the switch spare that the structure is complicated at the liquid outlet, and only adopt sealed lid also can play fine prevention of liquid leakage effect, simple structure, it is convenient to implement. 2) Because conical funnel 3 and drain pipe 4 all hide in cylindricality body 1, can directly stand whole simple and easy separating funnel formula centrifuging tube on mesas such as laboratory bench, be convenient for the operation of big batch sample. 3) The aperture of the upper discharge port of the lower cover cap is 0.1 +/-0.02 mm, so that the flow rate of liquid separation can be conveniently controlled.

In this embodiment, the transparent plastic tube is preferably a transparent PP (polypropylene) tube, which is resistant to organic solvents, is not brittle, is disposable, and does not cause pollution or residue. Obviously, a person skilled in the art may select other transparent plastic tubes instead of the transparent PP tube according to different practical needs, and is not limited to the embodiment.

In some embodiments, the inner wall of the transparent plastic tube can be provided with an anti-sticking coating, such as a nano coating, so that the simple separating funnel type centrifugal tube is convenient to clean, and the simple separating funnel type centrifugal tube can be reused.

In this embodiment, the volume of the simple separating funnel type centrifuge tube is 50ml, the size is small, and the simple separating funnel type centrifuge tube is suitable for a small amount of samples. Obviously, the simple separating funnel type centrifuge tube can be set to have the volume of 60mL, 125mL, 250mL, 500mL and the like as a common separating funnel by a person skilled in the art according to different actual needs; the present embodiment is not limited.

In this embodiment, cylindricality body 1 is the cylinder pipe, is convenient for match the foam base of ordinary centrifuging tube and carries out centrifugation, shock. In some embodiments, the cylindrical tube body 1 may be an elliptical tube, a prismatic tube, or the like.

In addition, preferably, go up sealed lid 2 and be the rubber buffer, not only sealed effectual, the dismouting of being convenient for moreover, application cost is low. The lower cap 5 is preferably a plastic cover, which facilitates opening of the hole and has low application cost.

Further, the inlet and the outlet of the liquid outlet pipe 4 are coaxially arranged with the cylindrical pipe body 1, so that liquid separation operation is facilitated; the right-angle corner is formed by a plurality of bending parts 6 formed on the liquid outlet pipe 4. In this embodiment, the number of the bending portions 6 is one, and in other embodiments, the number of the bending portions can be two or three, the more the bending portions are, the better the liquid leakage prevention effect is, and the more the processing and manufacturing are correspondingly caused.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (7)

1. A simple separating funnel type centrifuge tube is a transparent plastic tube and is characterized by comprising a cylindrical tube body, wherein the upper end and the lower end of the cylindrical tube body are both provided with openings, an upper sealing cover is arranged at the opening at the upper end of the cylindrical tube body, a conical funnel is arranged at the lower end of the cylindrical tube body, a liquid outlet tube is arranged at the tip end of the conical funnel, a lower cap is arranged on the liquid outlet of the liquid outlet tube, and a discharge port with the diameter of 0.1 +/-0.02 mm is arranged on the lower cap; the conical funnel and the liquid outlet pipe are both hidden in the cylindrical pipe body; the drain pipe is an elbow pipe with at least one right-angle corner.

2. The simple separating funnel type centrifuge tube according to claim 1, wherein the transparent plastic tube is a transparent PP tube.

3. The simple separatory funnel centrifuge tube of claim 1, wherein an anti-adhesive coating is applied to the inner wall of the transparent plastic tube.

4. The simple separatory funnel centrifuge tube of claim 1, wherein the volume of the simple separatory funnel centrifuge tube is 50mL, 60mL, 125mL, 250mL, or 500 mL.

5. The simple separating funnel type centrifuge tube according to claim 1, wherein the cylindrical tube body is a cylindrical tube, an elliptic cylindrical tube or a prismatic tube.

6. The simple separating funnel type centrifuge tube of claim 1, wherein the upper sealing cover is a rubber plug, and the lower sealing cover is a plastic cover.

7. The simple separating funnel type centrifuge tube of claim 1, wherein the inlet and outlet of the liquid outlet tube and the cylindrical tube body are coaxially arranged, and the right-angle corner is formed by a plurality of bending parts formed on the liquid outlet tube.

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