CN220448481U

CN220448481U - Freezing box

Info

Publication number: CN220448481U
Application number: CN202321925431.XU
Authority: CN
Inventors: 张�杰; 谢良志; 汤春燕; 袁魏; 王跃明
Original assignee: Yiqiao Shenzhou Taizhou Technology Co ltd
Current assignee: Yiqiao Shenzhou Taizhou Technology Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2024-02-06
Anticipated expiration: 2033-07-21

Abstract

The utility model belongs to the technical field of test tube preservation, in particular to a freezing box which comprises a box body, wherein a plurality of storage grids are separated from the inner part of the box body through partition plates, and test tube fixing devices are arranged in the storage grids; the test tube fixing device comprises a base body, a support column and a first limiting plate; the four support columns are respectively positioned at four corners of the base body and are connected with the base body into a whole; the first limiting plates are symmetrically arranged at the tops of opposite side walls of the support columns at two sides, and one side, deviating from the axis of the matrix, of each limiting plate is rotationally connected to the support column; a limiting notch is formed in the first limiting plate and located at the axis of the substrate; the axial center of the top of the basal body is provided with a positioning hole. According to the utility model, through the structural design of the test tube fixing device arranged in the storage grid, the function of fixing test tubes with different specifications in the storage grid is realized, the problem that the existing freezing storage box cannot limit test tubes with different sizes is solved, and the compatibility of the freezing storage box and the safety of the test tubes are improved.

Description

Freezing box

Technical Field

The utility model relates to the technical field of test tube preservation, in particular to a freezing box.

Background

The freezing technology is a technology for storing cells in a low-temperature environment, reducing cell metabolism and realizing long-term storage. The freezing box has good consistency of storage and simple operation, so the freezing box has wide application in the aspects of storing various freezing bottles, freezing pipes and the like in an ultralow temperature refrigerator.

When the existing freezing box is used for storing and transporting freezing pipes, due to the fact that specifications of different test pipes are different, after the small-specification test pipes are placed in storage holes, the small-specification test pipes can shake left and right, even can channeling into adjacent holes, and liquid in the test pipes is easy to pour and leak. If the storage hole is limited to the test tube with a single specification, the test tube with other specifications cannot be placed into the storage hole, so that the compatibility of the freezing storage box is reduced. Therefore, the existing freezing box has the defect that the test tubes with different specifications are difficult to limit.

Disclosure of Invention

Based on the above, it is necessary to provide a cryopreservation box for solving the problem that the conventional cryopreservation box is difficult to limit test tubes with different specifications.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model relates to a freezing box, which comprises a box body, wherein a plurality of storage grids are separated from the inner part of the box body through a partition plate; a test tube fixing device is arranged in the storage grid, and comprises a base body, a support column and a first limiting plate; the base body is placed at the bottom of the storage grid, and a positioning hole for limiting the bottom of the test tube is formed in the center of the top of the base body; the four corners of the matrix are provided with inner grooves, and the bottoms of the support columns are embedded in the inner grooves of the matrix and connected into a whole; the first limiting plates are symmetrically arranged at the tops of the support columns and are connected with the tops of the support columns through first spring hinges; the middle part of one side of the two limiting plates in opposite directions is provided with a limiting notch which is used for being contacted with the peripheral wall of the test tube.

Further, the first spring hinge comprises a rotating shaft, a guide post and a return spring; the first limiting plate is rotationally connected to the support column through a rotating shaft; the bottom end of the guide column is obliquely connected with the support column, and the gap between the top end of the guide column and the support column is gradually increased from the bottom end of the guide column to the top end of the guide column; the first limiting plate is provided with a movable groove, and the top end of the guide post penetrates through the movable groove; the reset spring is sleeved on the guide post and is positioned between the first limiting plate and the support post.

Further, the movable groove is strip-shaped, and the inner diameter of the movable groove is in clearance fit with the guide post; the diameter of the end part of the guide post is larger than the inner diameter of the movable groove.

Further, the middle section of the support column is provided with a limiting plate II staggered with the limiting plate I, the limiting plate II is connected with the support column through a second spring hinge, and the second spring hinge and the first spring hinge are identical in structure.

Further, the inner sides of the four support columns are connected with a connecting plate together, the connecting plate is located between the first limiting plate and the second limiting plate, and an annular through groove is formed in the center of the connecting plate.

Further, the locating hole includes upper segment and hypomere, and the locating hole upper segment is the reverse round platform form, and the locating hole hypomere is the back taper.

Further, one side of the support column, which is away from the center, is an arc surface, and the top of the arc surface of the support column is provided with a taking groove.

Further, the partition plate divides the interior of the box body into storage grids, and the height of the partition plate is lower than that of the box body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the structural design of the test tube fixing device arranged in the storage grid, the function of fixing test tubes with different specifications in the storage grid is realized, the problem that the existing freezing storage box cannot limit test tubes with different sizes is solved, and the compatibility of the freezing storage box and the safety of the test tubes are improved;

2. according to the utility model, through the structural design that the first limiting plate and the second limiting plate are provided with the spring hinge, the function of pushing the first limiting plate and the second limiting plate to the middle part of the test tube fixing device is realized, the effect of clamping the upper part and the lower part of the test tube simultaneously is achieved, and the situation that the pair of clamping limiting plates cannot keep the test tube vertical is avoided.

Drawings

The disclosure of the present utility model is described with reference to the accompanying drawings. It should be understood that the drawings are for purposes of illustration only and are not intended to limit the scope of the present utility model in which like reference numerals are used to designate like parts.

Wherein:

FIG. 1 is a schematic perspective view of a freezing box according to the present utility model;

FIG. 2 is a schematic view of a test tube fixture according to the present utility model;

FIG. 3 is an enlarged view of the guide post structure of the present utility model;

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

FIG. 5 is a schematic view of the structure of the positioning hole according to the present utility model.

The reference numerals in the drawings indicate: 11. a case; 12. a storage compartment; 13. test tube fixing device; 14. a pick-up groove; 15. a base; 16. a support column; 21. a first limiting plate; 22. a limiting plate II; 23. positioning holes; 24. a limit notch; 31. a guide post; 32. a movable groove; 33. a return spring; 41. and (5) connecting a plate.

Detailed Description

It is to be understood that, according to the technical solution of the present utility model, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.

Referring to fig. 1, an embodiment of the utility model introduces a freezing box, which includes a box 11 and a test tube fixing device 13, wherein a plurality of storage grids 12 are separated from the interior of the box 11 by partition boards, and the storage grids 12 can be used for accommodating freezing bottles and other experimental devices. The small test tube, freeze and deposit the pipe and then fix through test tube fixing device 13, avoid the test tube to make a round trip in box 11 inside rocks, and test tube fixing device 13 places in the inside of storing check 12, and the quantity of test tube fixing device 13 increases or reduces according to the quantity of test tube, makes space utilization obtain improving.

As described further below with reference to the test tube fixing device 13 in this embodiment, referring to fig. 2 to 5, the test tube fixing device 13 includes a base 15, a support column 16, a first limiting plate 21, a second limiting plate 22, a first spring hinge, and a connecting plate 41. The matrix 15 is square, and its size just in time block is inside storing check 12, and four corners of matrix 15 link as an organic wholely with four support columns 16 respectively, and support column 16 extends gradually along its direction of height, and the height of support column 16 is always with the degree of depth of storing check 12, makes test tube fixing device 13 can just in time block in the inside of storing check 12.

As will be further described below, the first limiting plate 21 is rectangular, one long side of the first limiting plate 21 is rotatably connected to the side wall of the two support columns 16 near the top, and one first limiting plate 21 is rotatably connected to the side wall of the other two support columns 16 near the top, and the two first limiting plates 21 are symmetrically arranged on one side of the support columns 16 near the center of the test tube fixing device 13. The first spring hinge is arranged on one side of the support column 16, which is close to the first limiting plates 21, and the two first limiting plates 21 are close to each other through the first spring hinge. A limiting notch 24 is formed in the limiting plate one 21, which is close to the center of the test tube fixing device 13, two limiting notches 24 are surrounded to form a round hole, and the two symmetrical limiting notches 24 clamp and limit the test tube.

The first spring hinge mentioned in the present embodiment is further described below, and includes a rotation shaft, a guide post 31, and a return spring 33. The first limiting plate 21 is rotatably arranged on the support column 16 through a rotating shaft. The guide column 31 is obliquely arranged on the side wall of the support column 16 near the first limiting plate 21, and the oblique direction faces the first limiting plate 21. The first limiting plate 21 is provided with a movable groove 32 corresponding to the extending direction of the guide post 31, the inner diameter of a notch of the movable groove 32 is matched with the diameter of the guide post 31, so that the guide post 31 can move in the movable groove 32, and the movable groove 32 is in a long strip shape, so that the first limiting plate 21 can rotate downwards.

The reset spring 33 is sleeved on the guide post 31, the reset spring 33 is positioned between the support post 16 and the first limiting plate 21, the first limiting plate 21 is pushed away from the support post 16 through the reset spring 33, so that the first limiting plates 21 on two sides can clamp a test tube, the diameter of the end part of the guide post 31 is larger than the inner diameter of the movable groove 32, and the first limiting plate 21 cannot be separated from the length range of the guide post 31. By limiting the position of the return spring 33 by the guide post 31, the situation that the first limiting plate 21 cannot rebound and return due to the fact that the return spring 33 is inclined when being extruded is avoided.

As further described below, the second limiting plates 22 are symmetrically disposed at the middle section of the support column 16, and the second limiting plates 22 have the same shape and structure as the first limiting plates 21, and are provided with second spring hinges having the same structure as the first spring hinges. The center shaft of the limiting plate II 22 and the center shaft of the limiting plate I21 are arranged in a 90-degree staggered mode, so that the symmetrical directions of the limiting plate II 22 and the limiting plate I21 are horizontal and vertical, a bidirectional limiting function on the test tube is achieved, the vertical state of the test tube is maintained, and the test tube is prevented from being inclined to one side.

The connecting plate 41 mentioned in this embodiment is further described below, and the connecting plate 41 is located on the supporting columns 16 in the middle of the first limiting plate 21 and the second limiting plate 22, and is connected with the four supporting columns 16 integrally, so as to increase the overall stability of the test tube fixing device 13, and avoid the first limiting plate 21 located at the top of the supporting columns 16 from shaking. The annular through groove which can enable a large-volume test tube to pass through is formed in the center of the connecting plate 41, so that the structure stability is improved, the test tube can be inserted and guided, the overlarge inclined angle during test tube insertion is avoided, and the clamping position of the limiting plate II 22 is directly deviated.

As shown in fig. 2 and 5, a cylindrical rubber block is provided at the center of the top of the base 15, a positioning hole 23 is provided at the center of the top of the rubber block, and the bottom of the test tube contacts the positioning hole 23 to keep the test tube vertical. The locating hole 23 has upper segment and hypomere, and the binding off angle of upper segment is comparatively mild, and it is used for holding the test tube of jumbo size, and the hypomere is the back taper, and the binding off is long and thin form, and it is used for holding the test tube of long and thin shape, presses down more and makes the fixed of test tube more firm.

As shown in fig. 2 and 4, the side of the support column 16 facing away from the axis of the tube fixing device 13 is arc-shaped, and the arc-shaped corners can reduce the situation that the tube is damaged due to the fact that the tube fixing device 13 is inserted into the storage grid 12 and carelessly touches the tube in the adjacent storage grid 12. The outer peripheral surface of one side of the support column 16, which is away from the axis of the test tube fixing device 13, is provided with a taking groove 14, the position of the taking groove 14 is close to the top of the support column 16, and the support column 16 at the top of the taking groove 14 is an inclined plane, so that the fingers of a technician can be inserted into the taking groove 14 to take out and put in the test tube fixing device 13.

The following provides a preferred dimension for this embodiment, the length and width of the case 11 are 130mm, and the height is 70mm, and the outside of the case 11 is wrapped with a waterproof and antifreezing film. The top of the box body 11 is provided with the dust cover, the dust cover is connected with the box body 11 by adopting a rivet connecting cover structure, and the dust cover does not need to be repeatedly moved during opening, so that the operation steps are simplified, and the time is saved. The baffle height of box 11 internal separation storing check 12 is 40mm, and 36 storing check 12 are separated to the baffle with box 11 internal separation, can store multiple type experimental apparatus to reserve 30mm space at storing check 12 top, can lay the protection sponge at the test tube top when transporting, provide the protection power in order to weaken the strength that receives the striking for the test tube top.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "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, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cryopreserved box, includes box (11), a plurality of storing check (12) are separated through the baffle to box (11) inside, its characterized in that: a test tube fixing device (13) is arranged in the storage grid (12); the test tube fixing device (13) comprises a base body (15), a support column (16) and a first limiting plate (21); the base body (15) is placed at the bottom of the storage grid (12), and a positioning hole (23) for limiting the bottom of the test tube is formed in the center of the top of the base body (15); the four corners of the base body (15) are provided with inner grooves, and the bottoms of the support columns (16) are embedded in the inner grooves of the base body (15) and connected into a whole; the two limiting plates I (21) are symmetrically arranged at the top of the supporting column (16) and are connected with the top of the supporting column (16) through a first spring hinge; and a limiting notch (24) for contacting with the peripheral wall of the test tube is formed in the middle of one side of the two limiting plates (21) opposite to each other.

2. A cryopreservation cassette according to claim 1, wherein: the first spring hinge comprises a rotating shaft, a guide column (31) and a return spring (33); the first limiting plate (21) is rotationally connected to the support column (16) through the rotating shaft; the bottom end of the guide column (31) is obliquely connected with the support column (16), and the gap between the bottom end of the guide column (31) and the support column (16) is gradually increased from the top end of the guide column; a movable groove (32) is formed in the first limiting plate (21), and the top end of the guide column (31) penetrates through the movable groove (32); the reset spring (33) is sleeved on the guide post (31) and is positioned between the limiting plate I (21) and the support post (16).

3. A cryopreservation cassette according to claim 2, wherein: the movable groove (32) is strip-shaped, and the inner diameter of the movable groove is in clearance fit with the guide post (31); the diameter of the end part of the guide post (31) is larger than the inner diameter of the movable groove (32).

4. A cryopreservation cassette according to claim 3, wherein: the middle section of the support column (16) is provided with a limiting plate II (22) staggered with the limiting plate I (21), the limiting plate II (22) is connected with the support column (16) through a second spring hinge, and the second spring hinge and the first spring hinge are identical in structure.

5. The cryopreservation cassette of claim 4 wherein: the inner sides of the four support columns (16) are connected with a connecting plate (41) together, the connecting plate (41) is located between the first limiting plate (21) and the second limiting plate (22), and an annular through groove is formed in the center of the connecting plate (41).

6. A cryopreservation cassette according to claim 5, wherein: the positioning hole (23) comprises an upper section and a lower section, the upper section of the positioning hole (23) is in an inverted truncated cone shape, and the lower section of the positioning hole (23) is in an inverted cone shape.

7. A cryopreservation cassette according to any one of claims 1 to 6, wherein: one side of the support column (16) deviating from the center is an arc surface, and a taking groove (14) is formed in the top of the arc surface of the support column (16).

8. The cryopreservation cassette of claim 7 wherein: the partition board divides the inside of the box body (11) into 36 storage grids (12), and the height of the partition board is lower than that of the box body (11).