CN218113313U

CN218113313U - Drawer type liquid nitrogen container pail

Info

Publication number: CN218113313U
Application number: CN202220542227.9U
Authority: CN
Inventors: 李森; 曾俊科
Original assignee: Guangdong No 2 Peoples Hospital
Current assignee: Guangdong No 2 Peoples Hospital
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-12-23
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a drawer type liquid nitrogen container pail, which comprises a pail frame and a freezing storage box; the barrel lifting frame is provided with at least two layers of storage positions from top to bottom, and the storage positions are provided with extraction ports; the freezing storage box is arranged on the storage position; the extraction port is arranged at least towards two directions; the freezing box is drawn out from the drawing-out opening. The utility model discloses can conveniently preserve the biological sample, the sample of being convenient for simultaneously takes and manages.

Description

Drawer type liquid nitrogen container pail

Technical Field

The utility model belongs to biochemistry experiment equipment field, concretely relates to drawer type liquid nitrogen container pail.

Background

Liquid nitrogen is an important chemical in the process of biological experiments, is liquid nitrogen, is an inert, colorless, odorless, non-corrosive and non-flammable liquid, and has extremely low temperature. At normal pressure, the liquid nitrogen temperature was-196 ℃. The liquid nitrogen container is mainly used for standing and storing indoor liquid nitrogen, and is mainly used for preserving specimens in the medical field, and comprises the following modes:

1. and (4) active preservation of semen. The semen storage device is mainly used for semen storage of human beings and animals and long-distance transportation and storage.

2. And (4) active preservation of the biological sample.

3. Assisted reproduction field cryopreservation of human gametes and embryos.

Vaccines, strains and cells in the biomedical field and organs of human beings and animals can be soaked in liquid nitrogen stored in a liquid nitrogen tank for long-term active preservation. When in use, the utility model can be taken out for thawing and rewarming.

When using a liquid nitrogen tank, a freezing tube containing the object to be preserved is generally placed in a liquid nitrogen tank lifting bucket, and then the liquid nitrogen tank lifting bucket is placed in the liquid nitrogen tank for long-term low-temperature storage. Current liquid nitrogen container pail generally includes pail, shadoof, and the shadoof is connected with the pail upper end, puts into and takes out the liquid nitrogen container with the pail through the shadoof, puts into the liquid nitrogen container with the pail through the shadoof after, hangs the shadoof at the liquid nitrogen container mouth, then seals the liquid nitrogen container through the locking closure.

With the development of the biomedical industry in recent years, the number of specimens required to be cryopreserved in scientific research and medical institutions has increased greatly year by year. How to realize the management of the specimen becomes a problem which needs to be solved urgently before researchers.

Disclosure of Invention

An object of the utility model is to provide a drawer type liquid nitrogen container pail can conveniently preserve biological sample, the sample of being convenient for simultaneously take and manage.

The technical scheme for achieving the purpose comprises the following steps.

The utility model provides a drawer type liquid nitrogen tank pail, which comprises a pail frame and a freezing storage box; the barrel lifting frame is provided with at least two layers of storage positions from top to bottom, and the storage positions are provided with extraction ports; the freezing storage box is arranged on the storage position; the extraction port is arranged at least towards two directions; the freezing box is drawn out from the drawing-out opening.

In some embodiments, the refrigerator further comprises a drawing guide rail, wherein the drawing guide rail is connected with the storage position and the freezing storage box; drawing out the cryopreservation box, and stretching the drawing guide rail; the cryopreservation box is pushed in, and the drawing guide rail resets.

In some of these embodiments, the drawer guide comprises at least two connectors; the connecting bodies are sequentially sleeved to form a telescopic structure.

In some embodiments, one end of the connecting body is provided with a first limiting part, and the other end is provided with a second limiting part.

In some of these embodiments, a single storage location and a cryogenic storage cartridge located thereon comprise a storage unit; at least two adjacent storage units form a storage group, and the extraction ports of the storage bits in the same storage group are in different orientations.

In some embodiments, at least two storage sets are arranged, and the storage sets are arranged from top to bottom.

In some of these embodiments, the outside of the cryopreservation box is provided with a label.

In some of these embodiments, the interior wall of the storage site is provided with ventilation openings.

In some embodiments, the freezing storage box is provided with taking openings at two sides in the drawing direction.

In some embodiments, the bucket lifting device further comprises a lifting rod, wherein the lifting rod is connected to the top of the bucket lifting frame; the lifting rod is arranged on one side far away from the drawing direction.

The utility model provides a technical scheme has following advantage and effect:

the utility model adopts the barrel lifting frame and the freezing storage box to realize the storage function of the biological sample; the barrel lifting frame is provided with at least two layers of storage positions from top to bottom, and the freezing storage box is arranged on the storage positions and is convenient for storing a plurality of biological samples; the storage position is provided with a drawing outlet, and the freezing box is drawn out from the drawing outlet, so that the biological sample can be conveniently taken; the extraction opening is arranged at least towards two directions, so that the biological sample is more flexibly placed and taken without being stored in a certain fixed direction, and the position marking of the biological sample is facilitated, and the biological sample is not easy to mix.

Drawings

FIG. 1 is a schematic perspective view of a drawer type liquid nitrogen container pail when the cryopreservation box is withdrawn;

FIG. 2 is a schematic structural view of a drawer type liquid nitrogen container pail when the cryopreservation box is pushed in;

FIG. 3 is a schematic perspective view of the cryopreservation box of the drawer type liquid nitrogen container pail;

fig. 4 is a schematic perspective view of a drawing guide rail of the drawer type liquid nitrogen container pail.

Description of the reference numerals:

1. a bucket lifting frame; 2. freezing and storing the box; 21. taking the mouth; 3. lifting a rod; 4. drawing the guide rail; 41. a linker; 5. storing the bit; 51. a withdrawal port; 52. a baffle plate; 53. and (4) an air vent.

Detailed Description

To facilitate understanding of the present invention, specific embodiments thereof will be described in more detail below with reference to the accompanying drawings.

As used herein, unless otherwise specified or defined, "first, \ 8230," is used merely to distinguish between names, and does not denote a particular quantity or order.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specified or otherwise defined.

It should be noted that "fixed to" or "connected to" in this document may be directly fixed to or connected to one element or may be indirectly fixed to or connected to one element.

The embodiment provides a drawer type liquid nitrogen container pail, as shown in fig. 1-2, comprising a pail frame 1, a freezing storage box 2, a lifting rod 3 and a drawing guide rail 4; the bucket lifting frame 1 is provided with six layers of storage positions 5, and the six layers of storage positions 5 are arranged from top to bottom; the freezing storage box 2 is arranged on the storage position 5, so that a plurality of biological samples can be conveniently stored; the storage position 5 is provided with an extraction port 51, the freezing box 2 is extracted from the extraction port 51, and the biological sample can be placed and taken out by extracting the freezing box 2.

As shown in fig. 3, the cryopreservation box 2 is composed of a bottom plate, a front side baffle plate and two side plates; the two side plates are arranged on two sides of the drawing direction of the cryopreservation box 2, and the side plates are provided with taking ports 21 so as to be convenient for taking out biological samples; the taking port 21 is arc-shaped, so that hands are prevented from being scratched.

The single storage position 5 and the freezing box 2 positioned on the single storage position form a storage unit; the three adjacent storage units form a storage group, and the extraction ports 51 of the storage positions 5 in the same storage group are different in orientation, so that the biological samples can be placed and taken more flexibly without being stored in a certain fixed direction, and the position marking of the biological samples is facilitated, and the biological samples are not easy to mix.

The storage position 5 is square, so that the processing is convenient; four surfaces of the storage position 5 in the horizontal direction are respectively in a first direction, a second direction, a third direction and a fourth direction; the orientations of the extraction port 51 of the storage position 5 from top to bottom are respectively a first direction, a second direction and a third direction, so that a user can place biological samples in a classification manner according to the orientation of the extraction port 51, and the position of the biological sample is convenient to identify when taking; the storage groups are arranged from top to bottom to form six layers of storage positions 5.

The lifting rod 3 is connected to the top of the bucket lifting frame 1; the lifting rod 3 is arranged on one side far away from the drawing direction, namely the fourth direction, so that the bucket lifting frame 1 can be conveniently lifted without hindering taking of samples.

The label is arranged on the outer side of the freezing storage box, and can be arranged according to the orientation of the extraction opening 51 when in use, such as a left orientation label I, a right orientation label II, a middle orientation label III and a left orientation label IV, and so on, so that the phenomenon that the samples are found in too much time due to too many layers or the samples are taken by mistake due to wrong layers is avoided; the user can firstly quickly lock the direction according to the orientation mark on the label to directly find the sample, so that the time for searching the biological sample is reduced, the long-time exposure of the cryopreservation box outside is avoided, and the risk of deterioration of the biological sample is reduced; particularly, after gametes and embryos in the field of assisted reproduction are stored in a liquid nitrogen tank, the embryos are taken according to the recorded positions and then are unfrozen; because human gamete and embryo are very precious, the number of times of taking is more, adopts different extraction direction marks to make the whole operation flow of taking convenient and smooth to it is too fast to reduce freezing box liquid nitrogen loss in the air, can not maintain the damage that freezing box internal temperature and cause gamete and embryo.

The drawing guide rail 4 is connected with the storage position 5 and the freezing storage box 2; the freezing storage box 2 is drawn out, and the drawing guide rail 4 is stretched; pushing the freezing storage box 2 in and resetting the drawing guide rail 4; the situation that the whole cryopreservation box is drawn out to cause the overturning of the biological sample due to the overlarge labor force during the drawing can be avoided; stabilize and freeze the case 2, prevent the operator landing when taking freezing case 2.

One end of the drawing guide rail 4 is connected with the inner wall of the storage position 5 far away from the drawing opening, and the other end of the drawing guide rail is connected with the outer side of the freezing box 2, so that when the drawing guide rail 4 is reset, the freezing box 2 can be completely placed in the storage position 5, no redundant space exists between the freezing box 2 and the inner wall of the storage position 5, the whole structure is more compact, and the waste of space is avoided; when the drawing guide rail 4 is in a reset state, the length of the drawing guide rail 4 is equal to the distance from the inner wall of the storage position 5 far away from the drawing opening to the outer side of the freezing storage box 2; when the drawing guide rail 4 is in an extension state, the length of the drawing guide rail 4 is smaller than the sum of the lengths of the storage position 5 and the freezing box 2 in the drawing direction, so that the freezing box 2 still partially stays on the storage position 5 when being drawn out, the biological sample is taken more stably, and the biological sample is prevented from falling; the drawing direction is the drawing direction of the freezing storage box 2.

Be provided with two pull guide rails 4 on a storage position 5, pull guide rail 4 sets up the downside at freezing storage box 2, takes out when freezing storage box 2, and pull guide rail 4 supports freezes storage box 2 for freezing storage box 2 keeps the level after taking out, avoids the biological sample turnover.

As shown in fig. 4, the pull rail 4 comprises three connecting bodies 41, respectively a first connecting body, a second connecting body and a third connecting body; the three connecting bodies 41 are sequentially sleeved to form a telescopic structure; the connector 41 is cylindrical, so that the sleeve joint is convenient; the length of the first connecting body is equal to that of the freezing storage box 2 in the drawing direction, the first connecting body is connected to the freezing storage box 2, and the third connecting body is connected to the storage position 5; the diameter of the second connecting body is smaller than that of the first connecting body, and the diameter of the third connecting body is smaller than that of the second connecting body; when the pull guide rail 4 resets, the third connector is received into the inside of the second connector, and the second connector is received into the inside of the first connector, so that the operation is convenient, and the space is saved.

One end of the connecting body 41 is provided with a first limiting part, and the other end is provided with a second limiting part, wherein the first limiting part is an inwardly extending convex ring, and the second limiting part is an outwardly extending convex ring; in other embodiments, the first position-limiting portion and the second position-limiting portion may also be bumps, and the present invention does not limit the specific structure of the first position-limiting portion and the second position-limiting portion; when the drawing guide rail 4 is stretched, the first limiting part is clamped with the second limiting part of the previous connecting body 41, so that the limiting effect is realized, the drawing guide rail 4 is prevented from being continuously stretched, and the connecting body 41 is prevented from being separated; specifically, when the drawing guide rail 4 is drawn, the first limiting portion of the first connecting body is engaged with the second limiting portion of the second connecting body, and the first limiting portion of the second connecting body is engaged with the second limiting portion of the third connecting body, so as to limit the relative movement between the connecting bodies 41, thereby preventing the drawing guide rail 4 from being drawn continuously.

In other embodiments, the pull rail 4 may be two rails that are engaged with each other, or may be a tensile rubber band or other telescopic structures, and the present invention is not limited to the specific structure of the tensile rail.

Two baffles 52 are arranged on one inner wall of the storage position 5, and the baffles 52 are used for preventing the freezing storage box 2 from falling; the gaps between the baffles 52 are ventilation openings 53, which facilitate ventilation while reducing material.

The above embodiments are not intended to be exhaustive list of the present invention, and there may be many other embodiments not listed. Any replacement and improvement made on the basis of not violating the concept of the utility model belong to the protection scope of the utility model.

Claims

1. A drawer type liquid nitrogen container pail is characterized by comprising a pail frame and a freezing storage box; the barrel lifting frame is provided with at least two layers of storage positions from top to bottom, and the storage positions are provided with extraction ports; the freezing storage box is arranged on the storage position; the extraction port is arranged at least towards two directions; the freezing box is drawn out from the drawing-out opening.

2. The drawer-type liquid nitrogen tank pail of claim 1, further comprising a drawing guide connecting the storage location with the freezing box; the cryopreservation box is drawn out, and the drawing guide rail is stretched; the freezing storage box is pushed in, and the drawing guide rail resets.

3. The drawer-type liquid nitrogen container pail of claim 2, wherein said pull guide comprises at least two connectors; the connecting bodies are sequentially sleeved to form a telescopic structure.

4. The drawer-type liquid nitrogen container pail as in claim 3, wherein one end of the connecting body is provided with a first position-limiting portion, and the other end is provided with a second position-limiting portion.

5. The drawer type liquid nitrogen container pail as defined in any one of claims 1-4, wherein a single said storage location and said freezing chamber located thereon constitute a storage unit; at least two adjacent storage units form a storage group, and the extraction ports of the storage bits in the same storage group are in different orientations.

6. The drawer type liquid nitrogen container pail as in claim 5, wherein said storage groups are arranged at least two, said storage groups being arranged from top to bottom.

7. The drawer type liquid nitrogen container pail according to any one of claims 1-4, wherein the freezing box is provided with a label on its outside.

8. The drawer type liquid nitrogen tank pail according to any one of claims 1-4, wherein the inner wall of the storage location is provided with a gas-permeable port.

9. The drawer-type liquid nitrogen container pail of any one of claims 1-4, wherein said freezing case is provided with a taking port at both sides of the drawing direction.

10. The drawer type liquid nitrogen tank pail as in any one of claims 1-4, further comprising a lifting rod connected to the top of the pail frame; the lifting rod is arranged on one side far away from the drawing direction.