CN220990887U

CN220990887U - Ultrafiltration centrifuge tube

Info

Publication number: CN220990887U
Application number: CN202322765147.7U
Authority: CN
Inventors: 刘青霖; 王虹; 杨辉; 王喆
Original assignee: Tianjin University of Traditional Chinese Medicine
Current assignee: Tianjin University of Traditional Chinese Medicine
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-05-24
Anticipated expiration: 2033-10-16

Abstract

The utility model relates to the technical field of centrifuge tubes and discloses an ultrafiltration centrifuge tube, which comprises a filter, wherein a collecting tube is arranged at the lower part of the filter, a threaded ring is rotationally connected to the upper end of the collecting tube, the filter and the collecting tube are in threaded connection through the threaded ring, two sealing plates are arranged in the collecting tube, connecting soft blocks are fixedly connected to the surfaces of the opposite sides of the two sealing plates, the surfaces of the other sides of the connecting soft blocks are fixedly connected with the inner wall of the collecting tube, a shielding plate slides in a first sliding groove through operating a driving assembly, a follow-up worker can perform centrifugal work through an external centrifugal structure, after the work is completed, the two sealing plates are reset through the connecting soft blocks, the sealing of the collecting tube is finally realized, the problem that a sealing cover of a liquid collecting tube possibly drops or is lost is solved, the sealing of the collecting tube can be realized through operating the driving assembly, and therefore the condition that the sealing cover drops to cause concentrated liquid pollution is avoided.

Description

Ultrafiltration centrifuge tube

Technical Field

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

Background

Ultrafiltration is widely applied to concentration, desalination and buffer replacement of biological samples as a membrane separation technology, and the principle is that under the action of force, a sample passes through the sieve of the aperture of an ultrafiltration membrane, particles with large molecular weight are trapped, and water, a solvent and low molecular weight solutes are allowed to permeate through the membrane, so that the purposes of concentration, desalination and buffer replacement are achieved.

The existing ultrafiltration centrifuge tube can bear high-speed rotation pressure, has the ultrafiltration function, adds stock solution into the ultrafiltration centrifuge tube, and then places the tube body into the centrifuge for reverse throwing, concentrated liquid can be thrown into a collecting tube at the bottom, but the concentrated liquid needs to be stored after working, the existing storage mode is to screw a sealing cover on the upper part of the collecting tube, but the cover and the collecting tube are not integrated, so that dust can be adhered to the surface of the cover due to falling of the cover, the concentrated liquid in the collecting tube is polluted, and meanwhile, the condition that a sealing cover is lost can be possibly caused, the sealing can not be directly realized after the collection, and the practicability is lower.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an ultrafiltration centrifuge tube, which solves the problem that a sealing cover of a collecting tube can be dropped or lost.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ultrafiltration centrifuging tube, includes the filter, the lower part of filter is provided with the collecting pipe, and the upper end of collecting pipe rotates and is connected with the screwed ring, and filter and collecting pipe pass through screwed ring threaded connection, and the inside of collecting pipe is provided with two closing plates, and the equal fixedly connected with of two opposite side surfaces of closing plate connects the soft piece, connects the opposite side surface of soft piece and the inner wall fixed connection of collecting pipe, and the butt joint recess has all been seted up on the adjacent one side surface of two closing plates, and logical groove has all been seted up on the surface of two closing plates, and the inside of logical groove is provided with the shielding plate.

Preferably, the inner walls of the through grooves are provided with first sliding grooves, the inside of each first sliding groove is connected with a shielding plate in a sliding mode, and the outer surfaces of the shielding plates are provided with driving components.

Preferably, the driving assembly comprises a fixing rod, the fixing rod is fixedly connected with the shielding plate, a threaded hole is formed in the upper surface of the sealing plate, and a threaded rod is connected with the internal thread of the threaded hole.

Preferably, the upper end of the threaded rod extends out of the threaded hole, the second sliding groove is formed in the fixing rod, and the lower end of the threaded rod is slidably connected to the second sliding groove.

Preferably, the surface fixedly connected with fixture block of threaded rod, the draw-in groove has been seted up to the inner wall of second sliding tray, draw-in groove and fixture block sliding connection.

Preferably, the collecting pipe is in a round table shape, and the two sealing plates are in a semicircular shape.

Preferably, a cover is arranged at the upper end of the filter, and a scale mark is arranged on the outer surface of the collecting pipe.

(III) beneficial effects

Compared with the prior art, the utility model provides an ultrafiltration centrifuge tube, which has the following beneficial effects:

1. This ultrafiltration centrifuging tube makes the shielding plate slide in the inside of first sliding tray through operating drive assembly, follow-up staff can carry out centrifugal work through outside centrifugal structure, after the work is accomplished, two closing plates reset through connecting the soft piece, finally realize the sealed to the collecting pipe, the sealed problem that drops or lose can appear in sealed lid that has solved liquid collecting pipe, can realize the sealed to the collecting pipe through operating drive assembly, consequently, the condition that the sealed lid that drops and lead to concentrate to pollute has been avoided appearing, the condition that sealed lid was lost has also been avoided simultaneously, staff's work efficiency has been guaranteed, the practicality is higher.

2. This ultrafiltration centrifuging tube when the staff need take out the inside concentrate of collecting pipe, can make the shielding plate no longer shelter from the logical groove to draw inside concentrate, when the shielding plate shelter from the logical groove, not only can ensure the leakproofness of collecting pipe, also can guarantee the stability of two closing plates simultaneously, the practicality is higher, easy operation.

Drawings

FIG. 1 is a schematic diagram of an ultrafiltration centrifuge tube according to the present utility model;

FIG. 2 is a schematic view of the structure of a header tube of the present utility model;

FIG. 3 is a schematic cross-sectional view of a collection tube of the present utility model;

FIG. 4 is a schematic structural view of a sealing plate according to the present utility model;

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is a schematic view of the structure of the shielding plate of the present utility model;

Fig. 7 is an enlarged view at B in fig. 6.

In the figure: 1. a filter; 2. a collection pipe; 3. a threaded ring; 4. a sealing plate; 5. connecting the soft blocks; 6. a butt joint groove; 7. a through groove; 8. a first sliding groove; 9. a threaded hole; 10. a threaded rod; 11. a shielding plate; 12. a fixed rod; 13. a second sliding groove; 14. a clamping groove; 15. a clamping block; 16. a cover; 17. and (5) scale marks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 7, the present utility model provides a technical solution: the utility model provides an ultrafiltration centrifuging tube, including filter 1, filter 1's lower part is provided with collecting pipe 2, collecting pipe 2 is round platform form, collecting pipe 2's upper end is rotated and is connected with screwed ring 3, filter 1 and collecting pipe 2 pass through screwed ring 3 threaded connection, collecting pipe 2's inside is provided with two closing plates 4, two closing plates 4 are semicircle, the equal fixedly connected with of two closing plate 4 opposite side surfaces connects soft piece 5, connect soft piece 5 for having elastic rubber material, the opposite side surface of connecting soft piece 5 and collecting pipe 2's inner wall fixed connection, butt joint recess 6 has all been seted up on two closing plate 4 adjacent one side surfaces, can improve two closing plate 4's leakproofness through the setting of butt joint recess 6, logical groove 7 has all been seted up on two closing plate 4's surfaces, logical groove 7's inside is provided with shielding plate 11.

Further, first sliding tray 8 has all been seted up to the inner wall of two logical grooves 7, first sliding tray 8's inside sliding connection has shielding plate 11, shielding plate 11's surface is provided with actuating assembly, when the staff needs to use the ultrafiltration centrifuging tube, make shielding plate 11 slide in first sliding tray 8's inside earlier through operating actuating assembly, shielding plate 11 will no longer shelter from logical groove 7 this moment, follow-up staff inserts filter 1 in collecting pipe 2's inside, then rotate screwed ring 3 and make it fixed, because filter 1's lower extreme is sharp thorn form, connect soft piece 5 simultaneously and have certain elasticity, so filter 1 can make two closing plates 4 down remove, again because collecting pipe 2 is round platform form, consequently, collecting pipe 2's inner wall can not block closing plate 4, follow-up staff can carry out centrifugal work through outside centrifugal structure, after work is accomplished, two closing plates 4 reset through connecting soft piece 5, follow-up operating actuating assembly drives shielding plate 11 and shelter from logical groove 7, finally realize the sealed to collecting pipe 2, can's sealed through the sealed lid that has been dropped liquid or can be realized, the sealed condition that can be high-efficient is avoided the sealed by the sealed cover that has realized, the sealed performance that can's the sealed cover that has the sealed performance has been dropped, the sealed has avoided the sealed condition to have realized the sealed the people to have had the practical performance to have avoided and has been lost.

Further, the actuating assembly includes dead lever 12, dead lever 12 and shielding plate 11 fixed connection, threaded hole 9 has been seted up to the upper surface of closing plate 4, threaded hole 9's inside threaded connection has threaded rod 10, threaded rod 10's upper end extends threaded hole 9's inside, second sliding tray 13 has been seted up to the inside of dead lever 12, threaded rod 10's lower extreme sliding connection is in the inside of second sliding tray 13, threaded rod 10's surface fixedly connected with fixture block 15, draw-in groove 14 has been seted up to the inner wall of second sliding tray 13, draw-in groove 14 and fixture block 15 sliding connection, rotate threaded rod 10 through the staff, because threaded rod 10 and threaded hole 9 threaded connection, therefore threaded rod 10 can slide in second sliding tray 13's inside, again because draw-in groove 14 and fixture block 15 sliding connection, consequently, threaded rod 10's rotation can drive the rotation of dead lever 12 drives shielding plate 11 at first sliding tray 8's inside through the rotation of dead lever 12, finally can realize the purpose of operation shielding plate 11, when staff needs to take out the inside concentrate of collecting pipe 2 through above-mentioned device, can make shielding plate 11 no longer shelter from through groove 7, thereby draw-out inside concentrate, can be guaranteed to the sealing plate 11, can be simply and can be guaranteed to the sealing plate 2 when two high stability is high to the sealing plate 4, simultaneously, the sealing plate is guaranteed.

Further, the upper end of filter 1 is provided with lid 16, has guaranteed the leakproofness of filter 1, and the surface of collecting pipe 2 is provided with scale mark 17, and the staff of being convenient for observes, the progress of the inside concentrate collection of record has improved the practicality of device.

Working principle:

When the ultrafiltration centrifuge tube is used, the shielding plate 11 slides in the first sliding groove 8 through the operation driving assembly, at the moment, the shielding plate 11 can not shield the through groove 7, a subsequent worker inserts the filter 1 into the collecting pipe 2, then the threaded ring 3 is rotated to fix the filter 1, the lower end of the filter 1 is in a spike shape, meanwhile, the connecting soft block 5 has certain elasticity, so the filter 1 can enable the two sealing plates 4 to move downwards, the inner wall of the collecting pipe 2 is in a round table shape, the sealing plates 4 cannot be blocked, the subsequent worker can perform centrifugal work through an external centrifugal structure, after the work is completed, the filter 1 is pulled out, the two sealing plates 4 reset through the connecting soft block 5, and the subsequent operation driving assembly drives the shielding plate 11 to shield the through groove 7 again, so that the sealing of the collecting pipe 2 is finally realized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ultrafiltration centrifuge tube comprising a filter (1), characterized in that: the lower part of filter (1) is provided with collecting pipe (2), the upper end of collecting pipe (2) rotates and is connected with screwed ring (3), filter (1) and collecting pipe (2) pass through screwed ring (3) threaded connection, the inside of collecting pipe (2) is provided with two closing plates (4), the equal fixedly connected with of opposite side surface of two closing plates (4) is connected soft piece (5), the opposite side surface of connecting soft piece (5) and the inner wall fixed connection of collecting pipe (2), butt joint recess (6) have all been seted up on the adjacent one side surface of two closing plates (4), logical groove (7) have all been seted up on the surface of two closing plates (4), the inside of logical groove (7) is provided with shielding plate (11).

2. An ultrafiltration centrifuge tube according to claim 1, wherein: the inner walls of the two through grooves (7) are provided with first sliding grooves (8), the inside of each first sliding groove (8) is connected with a shielding plate (11) in a sliding mode, and the outer surface of each shielding plate (11) is provided with a driving assembly.

3. An ultrafiltration centrifuge tube according to claim 2, wherein: the driving assembly comprises a fixing rod (12), the fixing rod (12) is fixedly connected with the shielding plate (11), a threaded hole (9) is formed in the upper surface of the sealing plate (4), and a threaded rod (10) is connected with the internal thread of the threaded hole (9).

4. An ultrafiltration centrifuge tube according to claim 3, wherein: the upper end of the threaded rod (10) extends out of the threaded hole (9), a second sliding groove (13) is formed in the fixing rod (12), and the lower end of the threaded rod (10) is connected in the second sliding groove (13) in a sliding mode.

5. The ultrafiltration centrifuge tube of claim 4, wherein: the outer surface of threaded rod (10) fixedly connected with fixture block (15), draw-in groove (14) have been seted up to the inner wall of second sliding tray (13), draw-in groove (14) and fixture block (15) sliding connection.

6. An ultrafiltration centrifuge tube according to claim 1, wherein: the collecting pipe (2) is in a round table shape, and the two sealing plates (4) are in a semicircular shape.

7. The ultrafiltration centrifuge tube of claim 6, wherein: the upper end of the filter (1) is provided with a cover (16), and the outer surface of the collecting pipe (2) is provided with a scale mark (17).