CN218435730U - High protection centrifugal tube lid - Google Patents

Abstract

In order to solve the centrifuging tube and uncap many times and easily produce pollution, the poor scheduling problem of centrifugal effect in the cell preparation production process, the utility model provides a high protection centrifuging tube lid, a serial communication port, including main lid, be provided with the internal thread on the main lid inside wall, main lid upper end one side is provided with ventilative hydrophobic filter membrane, and the opposite side is provided with silica gel contact pin hole, silica gel contact pin hole top is provided with assists the lid, assist the lid and cover articulated linking to each other with main, assist the lid and can follow main lid upwards to rotate, under the condition of not uncapping, pour into or absorb intraductal liquid through silica gel contact pin hole, sealed operation avoids polluting the risk.

Description

High protection centrifugal tube lid

Technical Field

The utility model relates to a cell preparation apparatus for producing technical field, in particular to high protection centrifugation tube cap.

Background

The centrifugal tube is the most common experimental consumable in various biological experiments, and can be used for the separation, purification and other processes of macromolecules such as cells, proteins, nucleic acids and the like, however, due to the open-type operation characteristic of the uncapping of the common centrifugal tube, the use of the centrifugal tube is greatly limited in some experimental scenes with high requirements on sterile environment, such as cell preparation production, vaccine production and the like, particularly in the cell preparation production process, the steps of adding cleaning solution, buffer solution and the like by uncapping for multiple times are required, great pollution risks are brought, and the requirements of GMP management are not met.

In order to overcome the defect of open operation of a common centrifugal tube, two alternative modes are mainly adopted at present, namely, full-automatic equipment is adopted to replace manual operation in an automatic mode, and the whole-course sterile environment can be guaranteed; secondly, a centrifugal tube is replaced by a bag-type container, and the bag-type container can be conveniently provided with a catheter with a plurality of silica gel plugs, so that liquid is injected and sucked through a syringe needle; however, the full-automatic equipment is expensive, the consumable materials are highly customized, the cost is high, the bag type container is inconvenient to operate, and the centrifugal effect is poor.

Disclosure of Invention

In order to solve the problem, the utility model provides a high protection centrifuge tube lid, the technical scheme of adoption as follows:

the utility model provides a high protection centrifuging tube lid, its characterized in that, includes the main lid, be provided with the internal thread on the main lid inside wall, main lid upper end one side is provided with ventilative hydrophobic filter membrane, and the opposite side is provided with silica gel contact pin hole, silica gel contact pin hole top is provided with assists the lid, assist the lid and cover articulated linking to each other with the main, assist the lid and can follow the main lid and upwards rotate.

Preferably, the silica gel plug pin hole comprises silica gel body, plug pin hole, silica gel body up end is provided with undercut's first recess, and the terminal surface is provided with the sunken second recess that makes progress, and the two distributes along horizontal plane symmetry, the plug pin hole runs through distribution in the middle of first recess and the second recess from top to bottom.

Preferably, a cover edge is arranged on the outer side of the auxiliary cover.

Preferably, an auxiliary cover sealing ring is arranged between the auxiliary cover and the main cover.

The beneficial effects of the utility model reside in that:

1. by arranging the auxiliary cover and the silica gel pin hole, liquid can be sucked and added through the syringe needle in a sealed state under the condition of not opening the cover, so that the pollution risk caused by opening the cover for many times is avoided;

2. the main cover is provided with the air-permeable hydrophobic filter membrane, so that the balance of air pressure inside and outside the pipe body can be kept, microorganisms can be prevented from entering the pipe body, and the liquid leakage caused by the inclination of the pipe body can be avoided;

3. silica gel contact pin hole adopts the sunken structural design in the middle of the two sides, can reduce contact pin hole thickness, increases the flexibility that the syringe needle removed at intraductal horizontal direction, in experiments such as the density gradient centrifugation of being convenient for, rotates the absorption to the liquid on the specific aspect in the geminate transistors.

Drawings

Figure 1 is the front view of the structure of the utility model

FIG. 2 is a top view of the present invention

FIG. 3 is a front view of the auxiliary lid in an open state

FIG. 4 is a plan view of the auxiliary lid removed

FIG. 5 is a cross-sectional view of the structure of the present invention

FIG. 6 is a schematic view of a silica gel pin hole structure

Wherein: 1-main cover, 2-auxiliary cover, 201-cover edge, 3-air-permeable hydrophobic filter membrane, 4-silica gel pin hole, 401-silica gel body, 402-first groove, 403-second groove, 404-pin hole, 5-auxiliary cover sealing ring, 6-main cover sealing ring and 7-internal thread.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

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

The high-protection centrifugal tube cover shown in the figure 1-2 comprises a main cover 1 and an auxiliary cover 2, wherein an inner thread 7 matched and connected with a centrifugal tube is arranged on the inner side wall of the main cover 1, the auxiliary cover 2 is arranged on the right side of the upper end of the main cover 1, the left end of the auxiliary cover 2 is hinged with the main cover 1, the auxiliary cover 2 can be turned upwards along the joint, a cover edge 201 is arranged on the right side of the auxiliary cover 2 in a protruding mode, operation is convenient, an air-permeable hydrophobic filter membrane 3 is arranged on the left side of the upper end of the main cover 1, outside air and inside air can be exchanged through the air-permeable hydrophobic filter membrane 3, but liquid cannot pass through the air-permeable hydrophobic filter membrane 3, the air-permeable hydrophobic filter membrane 3 can keep the air pressure inside and outside the tube cover balanced, microorganisms can be prevented from entering the tube cover, and liquid leakage caused by the careless inclination of the tube body can be prevented; be provided with silica gel plug pin hole 4 in the below of assisting lid 2, silica gel plug pin hole 4 includes silica gel body 401, silica gel body 401 is fixed on main lid 1 upper end right side, up end and the lower terminal surface symmetry at silica gel body 401 are provided with first recess 402 and second recess 403, two recess intermediate positions are provided with the contact pin hole 404 that runs through the distribution from top to bottom, contact pin hole thickness can be reduced in silica gel plug pin hole 4's depressed area design, increase the flexibility of syringe needle at intraductal horizontal direction removal, be convenient for in experiments such as density gradient centrifugation, liquid on the specific aspect in the geminate transistors carries out rotatory absorption.

In addition, the inner wall of the upper end of the main cover 1 is provided with a main cover sealing ring 6, and an auxiliary cover sealing ring 4 is arranged between the auxiliary cover 2 and the main cover 1, so that the integral sealing performance of the centrifugal tube is improved.

The operation with the device is as follows:

in the clean operation platform, with this device revolve in ordinary centrifuging tube shaft, open and assist lid 2, treat centrifugal liquid with the syringe absorption, insert the pinhole 404 with the syringe needle, it is inside to pour into the liquid into the centrifuging tube, then close and assist lid 2, after the centrifugation is accomplished, open and assist the lid in the clean operation platform, insert intraductal absorption supernatant or the specific region liquid of centrifuging tube through pinhole 404 with the syringe needle, can repeatedly add the washing liquid after inhaling, buffer solution etc. carry out centrifugation many times, at last with the syringe suction of the sample that will handle the end carry out follow-up experiment, utilize this device to operate, can be under the condition that the centrifuging tube was not uncapped, absorb under encapsulated situation through the syringe needle, add liquid, avoid the pollution risk that uncapping many times and cause.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements can be made, and these improvements should also be regarded as the protection scope of the present invention.

Claims (4)

1. The utility model provides a high protection centrifuging tube lid, its characterized in that, includes the main lid, be provided with the internal thread on the main lid inside wall, main lid upper end one side is provided with ventilative hydrophobic filter membrane, and the opposite side is provided with silica gel contact pin hole, silica gel contact pin hole top is provided with assists the lid, assist the lid and cover articulated linking to each other with the main, assist the lid and can follow the main lid and upwards rotate.

2. The high-protection centrifuge tube cover according to claim 1, wherein the silica gel pin hole is composed of a silica gel body and a pin hole, the upper end face of the silica gel body is provided with a first groove which is concave downwards, the lower end face of the silica gel body is provided with a second groove which is concave upwards, the first groove and the second groove are symmetrically distributed along a horizontal plane, and the pin hole is distributed in the middle of the first groove and the second groove in an up-and-down penetrating manner.

3. The high-protection centrifuge tube cover according to claim 1, wherein a cover rim is provided on the outer side of the auxiliary cover.

4. The high-protection centrifuge tube cap of claim 1, wherein an auxiliary cap sealing ring is arranged between the auxiliary cap and the main cap.

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