Cell cryopreservation tube with centrifugal function

Abstract

The utility model discloses a cell cryopreservation tube with a centrifugal function. The cell cryopreservation tube comprises a tube body, a tube cover and a centrifugal frame ring, by designing the sealing assembly, when the cover body and the pipe body are screwed and sealed, the sealing ring can seal the outer side of the pipe body, the sealing ring can be attached to the inner side of the pipe body, sealing of the inner side of the pipe body is achieved, and the interior of the pipe body can achieve a better sealing effect through mutual matching of the two sealing structures; when the gas in the tube body expands with heat and contracts with cold, the protective film expands upwards or contracts downwards, so that the cell cryopreservation tube can better adapt to the change of the gas in the tube body, and the cell cryopreservation tube can be effectively prevented from exploding.

Description

Technical Field

[0001] The utility model relates to the field related to cell freezing tubes, in particular to a cell freezing tube with a centrifugal function. Background Art

[0002] Cell cryopreservation tubes, also called cell freezing tubes, are often used in biological and medical experiments, mainly for biological materials. Cell cryopreservation tubes can withstand low temperatures down to 187°C in a liquid nitrogen gas environment. The unique external rotation design avoids the possibility of cross contamination, ultimately ensuring the safety of the sample in the tube.

[0003] Traditional cell cryopreservation tubes are mostly used for cryopreservation of cells, but the sealing of existing cell cryopreservation tubes is poor, and some liquid nitrogen can easily enter the cell cryopreservation tubes. When the cell cryopreservation tubes are taken out, they are prone to cracking due to thermal expansion and contraction of the internal gas. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a cell cryopreservation tube with a centrifugal function.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cell freezing tube with centrifugal function, comprising a tube body, a tube cover and a centrifugal frame ring, the top of the tube body is provided with a tube cover, the middle end of the tube body is provided with a centrifugal frame ring, the tube cover comprises a cover body, a sealing ring and a sealing assembly, the bottom end of the cover body is provided with a sealing ring, the upper end of the cover body is provided with a sealing assembly, and the lower side of the cover body is threadedly connected to the tube body.

[0006] Preferably, the sealing assembly includes a sealing plug, a fixing ring, a top plate, a sealing ring and a protective film, a fixing ring is connected to the middle end of the outer side of the sealing plug, a top plate is provided at the top end of the sealing plug, a sealing ring is provided at the bottom end of the sealing plug, a protective film is provided at the middle end of the inner part of the sealing plug, and the sealing plug is embedded in the upper end of the inner part of the cover body.

[0007] Preferably, a convex ring extending downward is provided at the lower end of the tube body, and the bottom end of the convex ring is hollow.

[0008] Preferably, the diameter of the bottom end surface of the top plate is equal to the outer diameter of the cover body, and a circular concave surface is provided in the middle of the top end of the top plate.

[0009] Preferably, a circle of groove is provided on the upper end of the outer side of the tube body, and the sealing ring on the cover body is engaged with the groove.

[0010] Preferably, a circle of groove is provided at the upper end of the inner part of the cover body, and the fixing ring on the sealing plug is engaged on the groove.

[0011] Preferably, the sealing ring is in a circular ring shape, and the outer diameter of the sealing ring is equal to the inner diameter of the tube body.

[0012] Beneficial effects of the utility model:

[0013] The utility model designs a sealing component, when the cover body and the tube body are screwed and sealed, the sealing ring can seal the outside of the tube body, and the sealing ring can fit the inside of the tube body to achieve sealing of the inside of the tube body, and the two groups of sealing structures cooperate with each other to achieve a better sealing effect inside the tube body, when the gas inside the tube body expands and contracts due to heat and cold, the protective film can better adapt to the changes in the gas inside the tube body by expanding upwards or contracting downwards, and can effectively prevent the cell cryopreservation tube from bursting. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the pipe cover of the utility model;

[0017] Figure 4 This is a schematic diagram of the sealing assembly structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the internal structure of the sealing plug of the utility model.

[0019] Among them: tube body-1, tube cover-2, centrifugal frame ring-3, cover body-21, sealing ring-22, sealing assembly-23, sealing plug-231, fixing ring-232, top plate-233, sealing ring-234, protective film-235. DETAILED DESCRIPTION

[0020] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0021] See also Figure 1-3 The utility model provides a cell freezing tube with centrifugal function, including a tube body 1, a tube cover 2 and a centrifugal frame ring 3. The tube body 1 is provided with a tube cover 2 at the top, and the middle end of the tube body 1 is integrally formed with a centrifugal frame ring 3. The centrifugal frame ring 3 is used to be engaged on a centrifuge. The tube cover 2 includes a cover body 21, a sealing ring 22 and a sealing assembly 23. The sealing ring 22 is bonded to the bottom end of the cover body 21, and the sealing assembly 23 is provided at the upper end of the cover body 21. The lower side of the cover body 21 is turned with an internal thread, and the upper end of the outer side of the tube body 1 is turned with an external thread, and the cover body 21 is threadedly connected to the tube body 1.

[0022] Among them, a convex ring extending downward is integrally formed at the lower end of the tube body 1, and the bottom end of the convex ring is hollowed out to facilitate the placement of the cell cryopreservation tube.

[0023] A groove is integrally formed on the upper end of the outer side of the tube body 1 , and the sealing ring 22 on the cover body 21 is engaged with the groove, so as to ensure the sealing of the outer side of the tube body 1 .

[0024] See also Figure 4-5 The utility model provides a cell freezing tube with centrifugal function, the sealing component 23 includes a sealing plug 231, a fixing ring 232, a top plate 233, a sealing ring 234 and a protective film 235, the fixing ring 232 is bonded to the middle end of the outer side of the sealing plug 231, the fixing ring 232 is made of rubber, the top of the sealing plug 231 is integrally formed with a top plate 233, the bottom of the sealing plug 231 is bonded with a sealing ring 234, when the tube body 1 and the tube cover 2 are closed, the sealing ring 234 can fit tightly with the inner wall of the tube body 1, further improving the sealing performance of the tube body 1, the protective film 235 is bonded to the middle end of the inner part of the sealing plug 231, and the sealing plug 231 is embedded in the upper end of the inner part of the cover body 21.

[0025] The diameter of the bottom end surface of the top plate 233 is equal to the outer diameter of the cover body 21 , and a circular concave surface is provided in the middle of the top end of the top plate 233 , so that the user can take out the sealing assembly 23 for replacement.

[0026] A groove is formed at the upper end of the cover body 21 , and a fixing ring 232 on the sealing plug 231 is engaged with the groove to ensure a stable installation of the cover body 21 .

[0027] The sealing ring 234 is in a circular ring shape, and the outer diameter of the sealing ring 234 is equal to the inner diameter of the tube body 1 , which is beneficial for the sealing ring 234 to seal the tube body 1 .

[0028] Here’s how it works:

[0029] First, the user rotates the tube cover 2 to separate the tube body 1, and then places the cells inside the tube body 1. The tube cover 2 and the tube body 1 can be sealed by rotation to achieve cell storage. When the cells inside the tube body 1 need to be centrifuged, the tube body 1 can be placed inside a centrifuge through the centrifuge ring 3. The cells inside the tube body 1 can be centrifuged by the centrifuge. Finally, the tube body 1 is placed in a liquid nitrogen tank to achieve frozen storage.

[0030] When the cover body 21 is screwed downwardly into the outside of the tube body 1, the sealing ring 22 will move downward with the cover body and engage with the side groove of the tube body 1 to achieve sealing of the outside of the tube body 1, and the sealing plug 231 will also move downward with the cover body 21, and the sealing ring 234 will fit the inside of the tube body 1 to achieve sealing of the inside of the tube body 1. The double sealing structure can ensure better sealing performance of the tube body 1. When the cell cryopreservation tube is placed in a liquid nitrogen tank or taken out of a liquid nitrogen tank, the gas inside the tube body 1 will expand and contract due to heat and cold. The protective film 235 can effectively prevent the cell cryopreservation tube from bursting by expanding upward or contracting downward. When the protective film 235 ruptures, the user only needs to pull the sealing plug 231 upward to disengage the fixing ring 232 from the groove on the inner side of the cover body 21, so as to achieve removal and replacement of the sealing plug 231.

[0031] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cell freezing tube with centrifugal function, characterized in that: The invention comprises a tube body (1), a tube cover (2) and a centrifugal frame ring (3); the tube body (1) is provided with a tube cover (2) at the top end, the tube body (1) is provided with a centrifugal frame ring (3) at the middle end, the tube cover (2) comprises a cover body (21), a sealing ring (22) and a sealing assembly (23); the sealing ring (22) is provided at the bottom end of the cover body (21), the sealing assembly (23) is provided at the upper end of the cover body (21), and the lower side of the cover body (21) is threadedly connected to the tube body (1).

2. The cell cryopreservation tube with centrifugal function according to claim 1, characterized in that: The sealing assembly (23) comprises a sealing plug (231), a fixing ring (232), a top plate (233), a sealing ring (234) and a protective film (235); the fixing ring (232) is connected to the middle end of the outer side of the sealing plug (231); the top plate (233) is arranged at the top end of the sealing plug (231); the sealing ring (234) is arranged at the bottom end of the sealing plug (231); the protective film (235) is arranged at the middle end of the inner part of the sealing plug (231); and the sealing plug (231) is embedded in the upper end of the inner part of the cover body (21).

3. The cell freezing tube with centrifugal function according to claim 1, characterized in that: The lower end of the tube body (1) is provided with a convex ring extending downward, and the bottom end of the convex ring is hollow.

4. The cell cryopreservation tube with centrifugal function according to claim 2, characterized in that: The diameter of the bottom end surface of the top plate (233) is equal to the outer diameter of the cover body (21), and a circular concave surface is provided in the middle of the top end of the top plate (233).

5. The cell cryopreservation tube with centrifugal function according to claim 1, characterized in that: A circle of groove is provided at the upper end of the outer side of the tube body (1), and the sealing ring (22) on the cover body (21) is engaged with the groove.

6. The cell cryopreservation tube with centrifugal function according to claim 2, characterized in that: A circle of groove is arranged at the upper end of the inner part of the cover body (21), and a fixing ring (232) on the sealing plug (231) is engaged with the groove.

7. The cell cryopreservation tube with centrifugal function according to claim 2, characterized in that: The sealing ring (234) is in the shape of a circular ring, and the outer diameter of the sealing ring (234) is equal to the inner diameter of the tube body (1).

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