CN210432725U

CN210432725U - Freezing pipe protective sleeve

Info

Publication number: CN210432725U
Application number: CN201921089107.2U
Authority: CN
Inventors: 华佩君; 唐忆琳; 陈巧林
Original assignee: Zhongke Cell Technology Guangzhou Co Ltd
Current assignee: Zhongke Cell Technology Guangzhou Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-01
Anticipated expiration: 2029-07-11

Abstract

The utility model relates to the field of biological experimental instruments, in particular to a protective sleeve for a cryopreservation tube, which comprises a sleeve body and a sleeve cover, wherein the end surface of the sleeve cover, which is close to the sleeve body, is provided with an annular sealing rubber block with sawteeth on the surface, the sleeve body is provided with a sealing rubber groove matched with the annular sealing rubber block, and the inner surface of the sealing rubber groove is provided with barbs; the cover is detachably and fixedly connected with the cover body. The freezing tube is placed in the protective sleeve, so that the cells are prevented from being polluted by the external environment, cross contamination among the cells or explosion when the freezing tube is recovered due to liquid nitrogen infiltration. The protective sleeve has good sealing performance, can prevent liquid nitrogen from permeating into the protective sleeve, avoids the liquid nitrogen from permeating into the cryopreservation tube after entering the protective sleeve, and ensures the storage of cells in the cryopreservation tube in the liquid nitrogen.

Description

Freezing pipe protective sleeve

Technical Field

The utility model relates to a biological assay utensil field, more specifically relates to a cryopreserved pipe protective sheath.

Background

When the freezing tube is stored in liquid nitrogen, the liquid nitrogen leaks into the tube, and the sealing film is useless because the sealing film fails in the liquid nitrogen, so that cells can be polluted by the external environment and cross contamination among the cells, or the freezing tube explodes when being recovered. Therefore, in general, when the freezing tube is stored, the freezing tube is put into the freezing tube protective sleeve and then put into liquid nitrogen together.

However, the existing cryopreservation tube protection tube generally adopts threaded connection to connect the sleeve cover and the sleeve body, but in liquid nitrogen, the sealing performance is limited, and the leakage of the liquid nitrogen is easily caused, so that the pollution and the explosion of the inner cells of the cryopreservation tube are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome among the above-mentioned prior art and freeze the problem that the pipe protective sheath takes place to leak easily, provide a freeze and deposit a tub protective sheath, have good leakproofness, avoid the condition emergence of leaking.

In order to solve the technical problem, the utility model discloses a technical scheme is: a protecting sleeve for a cryopreservation tube comprises a sleeve body and a sleeve cover, wherein an annular sealing rubber block with sawteeth on the surface is arranged on the end surface, close to the sleeve body, of the sleeve cover, a sealing rubber groove matched with the annular sealing rubber block is formed in the sleeve body, and barbs are arranged on the inner surface of the sealing rubber groove; the cover and the cover body are detachably and fixedly connected.

The material of the annularly-arranged sealing rubber block and the sealing rubber groove is polyurethane, so that the sealing performance is good, and the low temperature resistance is realized. The two are in interference fit in original sizes and are combined and sealed through external force extrusion. The cooperation of the sawtooth and the barb of the annularly-installed sealing rubber block forms a labyrinth structure, the sealing performance is enhanced, and under the condition that the two are contracted when encountering cold, the sealing rubber block is in interference fit originally, so that the sealing rubber block is still in a tightly combined state, and the entering of external liquid is prevented. The structure of the barb increases the resistance of the sleeve cover to break away from the sleeve body, and the sealing is prevented from being opened by external small external force.

Preferably, the annularly-installed sealing rubber block is a conical block, and the sealing rubber groove is a conical groove. The conical structure can more easily embed the annularly-arranged sealing rubber block of the sleeve cover into the sealing rubber groove.

Preferably, the end face, far away from the sleeve body, of the sleeve cover is provided with a lifting handle. The user applies force to the handle, so that the force is more conveniently applied to the cover.

Preferably, the handle is T-shaped. A user applies force on the horizontal rod of the T-shaped rod, the sleeve cover is arranged on the sleeve body, when the sleeve cover and the sleeve body need to be separated, the T-shaped rod is pulled outwards, and the force application is convenient.

Preferably, the edge of the cover is provided with a plurality of claws, and the claws extend towards one end far away from the cover body; the sleeve body is provided with a clamping groove matched with the clamping jaw. Fixed connection can be dismantled through the buckle connection to the upper shield and the cover body, presses the extension end that the cover body was kept away from to the jack catch, and upper shield and cover body cooperation, jack catch and draw-in groove cooperation.

Preferably, one side of the clamping groove is provided with a sliding groove extending towards the opening direction of the sleeve body, and the sliding groove inclines towards the outer surface direction of the sleeve body. When the sleeve cover is detached, the sleeve cover is rotated, so that the clamping jaws are positioned on the sliding grooves, then the sleeve cover is pulled, the sleeve cover can be detached, and the sleeve cover is detached more conveniently.

Preferably, at least one hollow cylinder is arranged in the sleeve body. The freezing pipe can be placed in the hollow column body, and the freezing pipe is prevented from shaking in the sleeve body.

Preferably, the hollow column body is provided with at least one reinforcing rib connected with the inner wall of the sleeve body. The reinforcing cavity cylinder is connected with the cover body, avoids when inserting the cryopreserving pipe, leads to the cavity cylinder to incline for the cover body, and the position that the bottom surface is connected warp easily and damages.

Preferably, the inner wall of the hollow cylinder is provided with a clamping mechanism, and the clamping mechanism comprises a clamping plate and an elastic part for connecting the clamping plate and the inner wall of the sleeve body. Through the action of the clamping mechanism, various freezing pipes with different diameters can be placed in the hollow column body.

Compared with the prior art, the beneficial effects are: the freezing tube is placed in the protective sleeve, so that the phenomenon that cells are polluted by the external environment and cross contamination among the cells or the freezing tube explodes when being recovered due to the fact that the freezing tube is infiltrated by liquid nitrogen is avoided. The protective sleeve has good sealing performance, can prevent liquid nitrogen from permeating into the protective sleeve, avoids the liquid nitrogen from permeating into the cryopreservation tube after entering the protective sleeve, and ensures the storage of the cryopreservation tube in the liquid nitrogen.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention.

FIG. 2 is an enlarged view of a portion of FIG. 1 at position A;

FIG. 3 is a schematic structural view of the outer wall of the sheath body of the present invention;

fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.

Wherein: 1. sleeving a body; 2. covering; 3. saw teeth; 4. annularly installing a sealing rubber block; 5. sealing glue grooves; 6. a barb; 7. a handle; 8. a claw; 9. a card slot; 10. a chute; 11. a hollow cylinder; 12. reinforcing ribs; 13. a clamping plate; 14. an elastic member.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

examples

As shown in fig. 1-2, a protecting sleeve for a cryopreservation tube comprises a sleeve body 1 and a sleeve cover 2, wherein an annular sealing rubber block 4 with sawteeth 3 on the surface is arranged on the end surface of the sleeve cover 2 close to the sleeve body 1, the sleeve body 1 is provided with a sealing rubber groove 5 matched with the annular sealing rubber block 4, and barbs 6 are arranged on the inner surface of the sealing rubber groove 5; the cover 2 is detachably and fixedly connected with the cover body 1. The material of the annularly-arranged sealing rubber block and the sealing rubber groove is polyurethane, so that the sealing performance is good, and the low temperature resistance is realized.

Specifically, the annularly-arranged sealing rubber block 4 is a conical block, and the sealing rubber groove 5 is a conical groove. The conical structure can more easily embed the annularly-arranged sealing rubber block of the sleeve cover into the sealing rubber groove.

In addition, a T-shaped handle 7 is arranged on the end surface of the cover 2 far away from the cover body 1. A user applies force on the horizontal rod of the T-shaped rod, the sleeve cover is arranged on the sleeve body, when the sleeve cover and the sleeve body need to be separated, the T-shaped rod is pulled outwards, and the force application is convenient.

Specifically, the edge of the sleeve cover 2 is provided with a plurality of clamping jaws 8, and the clamping jaws 8 extend towards one end far away from the sleeve body 1; the sleeve body 1 is provided with a clamping groove 9 matched with the clamping jaw 8. Fixed connection can be dismantled through the buckle connection to the upper shield and the cover body, presses the extension end that the cover body was kept away from to the jack catch, and upper shield and cover body cooperation, jack catch and draw-in groove cooperation.

As shown in fig. 2-3, a sliding groove 10 extending toward the opening of the sleeve body 1 is disposed on one side of the locking groove 9, and the sliding groove 10 is inclined toward the outer surface of the sleeve body 1. When the sleeve cover is detached, the sleeve cover is rotated, so that the clamping jaws are positioned on the sliding grooves, then the sleeve cover is pulled, the sleeve cover can be detached, and the sleeve cover is detached more conveniently.

The utility model discloses a theory of operation: put into cover body 1 with freezing the pipe in, close the opening part at cover body 1 with the cover 2 lid, encircle dress and seal gluey piece 4 and the cooperation of sealed gluey recess 5,

sawtooth

3 and 6 blocks of barb form to open-ended sealed. The clamping jaws 8 are matched with the clamping grooves 9 to form fixed connection between the sleeve body 1 and the sleeve cover 2. The protective sleeve is placed into the liquid nitrogen, the sealing structure at the opening can prevent the liquid nitrogen from leaking, and the liquid nitrogen is prevented from entering the protective sleeve.

The utility model has the advantages that: the freezing tube is placed in the protective sleeve, so that the phenomenon that cells are polluted by the external environment and cross contamination among the cells or the freezing tube explodes when being recovered due to the fact that the freezing tube is infiltrated by liquid nitrogen is avoided. The protective sleeve has good sealing performance, can prevent liquid nitrogen from permeating into the protective sleeve, avoids the liquid nitrogen from permeating into the cryopreservation tube after entering the protective sleeve, and ensures the storage of the cryopreservation tube in the liquid nitrogen.

Example 2

The difference between this embodiment and embodiment 1 is that, as shown in fig. 4, a hollow column 11 is disposed in the sleeve body 1, and the hollow column 11 is provided with three reinforcing ribs 12 distributed along the circumference to connect with the inner wall of the sleeve body 1.

In addition, the inner wall of the hollow column 11 is provided with a clamping mechanism, and the clamping mechanism comprises a clamping plate 13 and an elastic piece 14 which is connected with the clamping plate 13 and the inner wall of the sleeve body 1. By the action of the clamping mechanism, various freezing pipes with different diameters can be placed in the hollow column body 11.

The working principle of the embodiment is as follows: the freezing pipe can be placed in cavity cylinder 11, prevents to freeze to deposit the pipe and rocks in the cover body, when packing into and freezing the pipe, strengthening rib 12 can avoid when inserting and freezing the pipe, leads to the cavity cylinder to incline for the cover body, and the position that the bottom surface is connected is deformed easily and is damaged.

The remaining technical features and the operation principle of this embodiment are the same as those of embodiment 1 and will not be described.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A protective sleeve for a cryopreservation tube comprises a sleeve body (1) and a sleeve cover (2), and is characterized in that an annularly-arranged sealing rubber block (4) with sawteeth (3) on the surface is arranged on the end face, close to the sleeve body (1), of the sleeve cover (2), a sealing rubber groove (5) matched with the annularly-arranged sealing rubber block (4) is formed in the sleeve body (1), and barbs (6) are arranged on the inner surface of the sealing rubber groove (5); the sleeve cover (2) is detachably and fixedly connected with the sleeve body (1).

2. The vial protector of claim 1, wherein the ring-mounted sealant block (4) is a conical block and the sealant groove (5) is a conical groove.

3. A vial protector according to claim 1, characterized in that the end of the cover (2) remote from the body (1) is provided with a handle (7).

4. A vial protector according to claim 3, characterized in that the handle (7) is T-shaped.

5. A protective sheath for a vial according to claim 1, characterised in that the edge of the sheath (2) is provided with a plurality of claws (8), the claws (8) extending away from the sheath body (1); the sleeve body (1) is provided with a clamping groove (9) matched with the clamping jaw (8).

6. The cryopreservation tube protecting sleeve as claimed in claim 5, wherein one side of the clamping groove (9) is provided with a sliding groove (10) extending towards the opening direction of the sleeve body (1), and the sliding groove (10) inclines towards the outer surface direction of the sleeve body (1).

7. A vial protector according to any of claims 1-6, characterized in that at least one hollow cylinder (11) is arranged in the body (1).

8. A protective sheath for a vial according to claim 7, characterised in that the hollow body (11) is provided with at least one reinforcing rib (12) connected to the inner wall of the sheath body (1).

9. A vial protection sleeve according to claim 7, characterized in that the inner wall of the hollow cylinder (11) is provided with a clamping mechanism comprising a clamping plate (13) and a resilient member (14) connecting the clamping plate (13) to the inner wall of the body (1).