CN218962718U

CN218962718U - Stem cell cryopreservation pipe rack

Info

Publication number: CN218962718U
Application number: CN202320187059.0U
Authority: CN
Inventors: 孙丹丹; 王宗起; 张成兰
Original assignee: Hengfeng Mingcheng Biotechnology Shanghai Co ltd
Current assignee: Hengfeng Mingcheng Biotechnology Shanghai Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-05-05
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a stem cell cryopreservation tube rack, and belongs to the technical field of medical instruments. The fixing mechanism comprises a mounting cover, a pressure plate, a mounting shaft and a connecting rod, wherein the fixing mechanism is arranged in the storage groove, when the stem cell freezing storage pipe is placed in the storage groove, the pressure plate is pressed downwards by the stem cell freezing storage pipe, a clamping piece at the top of the connecting rod is attached to the side wall of the stem cell freezing storage pipe, so that the stem cell freezing storage pipe is clamped, the stem cell freezing storage pipe is stably fixed in the storage groove, the mounting cover is placed in the top of the storage groove, a movable piece and a first spring are arranged at the bottom of the mounting cover, and the movable piece can be attached to the top of the stem cell freezing storage pipe through the thrust of the first spring when the mounting cover is covered, so that the top, the bottom and the side wall of the stem cell freezing storage pipe are simultaneously fixed by matching with the pressure plate and the clamping piece, and the stem cell freezing storage pipe is safer and more stable.

Description

Stem cell cryopreservation pipe rack

Technical Field

The utility model relates to a stem cell cryopreservation tube rack, and belongs to the technical field of medical instruments.

Background

In biological and medical experiments, in order to further study the structural characteristics or biochemical characteristics of cells, it is often necessary to store the cells at a low temperature for a long period of time, and then study the biological tissues as required after freezing, and a method is currently used to store the cells at a low temperature by storing a freezing tube containing a cell specimen in liquid nitrogen, wherein the liquid nitrogen is in a liquid form of nitrogen gas with a boiling point of below 196 ℃ under normal pressure, so that the liquid nitrogen is often used as a refrigerant, and the chemical nature of the liquid nitrogen is inactive, so that the liquid nitrogen can be directly contacted with the biological cells to freeze the biological tissues immediately without damaging the biological activity, thus being commonly used for storing the cell specimen.

Through retrieving, a cell cryopreservation tube rack is disclosed in Chinese patent with publication number of CN 208944164U, and the technical key points of the rack are as follows: the support assembly comprises a first upright, a second upright, a third upright, a first support column and a second support column. The cell freezing tube rack can be used for simultaneously placing a plurality of freezing tubes, is not easy to deviate from the placing groove, is convenient to take and place and is convenient to manage;

the problem that the cryopreservation tube is easy to deviate from the standing groove and inconvenient is caused for an experimenter is solved in the scheme, but the stem cell cryopreservation tube is not stable enough to be fixed during storage, the protection is not comprehensive enough, the damage to the stem cell cryopreservation tube caused by collision is extremely easy to cause the abnormal use of internal cells.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the stem cell cryopreservation pipe rack solves the problems that in the prior art, when in storage, the stem cell cryopreservation pipe is not stable enough, the protection is not comprehensive enough, the stem cell cryopreservation pipe is easily damaged due to collision, and the internal cells cannot be normally used.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

the stem cell cryopreservation tube placement frame comprises a frame body, wherein the frame body is provided with a plurality of storage tanks, and a fixing mechanism is arranged inside each storage tank;

the fixing mechanism comprises a mounting cover, a pressure plate, a mounting shaft and a connecting rod, wherein the pressure plate is movably connected inside the storage tank, a second spring is fixedly arranged on the side wall of the pressure plate, the mounting shaft is mounted at the top of the pressure plate, the connecting rod is fixedly mounted on the side wall of the mounting shaft, the connecting rod is movably connected with the top of the pressure plate through the mounting shaft, a chute is formed inside the storage tank, the connecting rod is positioned inside the chute, a clamping piece is fixedly mounted at one end of the connecting rod, and the mounting cover is mounted at the top of the storage tank.

The utility model is further provided with: the mounting cover is characterized in that a fixing piece is fixedly arranged at the bottom of the mounting cover, a movable piece is movably connected inside the fixing piece, and a first spring is fixedly arranged between one side of the movable piece and the top of the fixing piece.

The utility model is further provided with: the clamping piece is internally provided with a movable cavity, a fourth spring is fixedly arranged in the movable cavity, one end of the fourth spring is fixedly provided with a movable rod, and one end of the movable rod is fixedly provided with a fixed pad.

The utility model is further provided with: the clamping piece and the fixing pad are arc-shaped pieces.

The utility model is further provided with: the inside fixed mounting mechanism that is provided with of installation lid.

The utility model is further provided with: the fixed mounting mechanism comprises a rotating shaft, a gear, a rack and a clamping piece, the rotating shaft is rotationally connected inside the mounting cover, a guide rod is fixedly mounted inside the mounting cover, the rack is slidably connected to the side wall of the guide rod, the gear is fixedly mounted on the side wall of the rotating shaft, the gear is meshed with the rack, a clamping groove matched with the rack is formed in the storage groove, a mounting cavity is formed in the mounting cover, a third spring is fixedly mounted inside the mounting cavity, the clamping piece is fixedly mounted at one end of the third spring, and a clamping groove matched with the clamping piece is formed in the rack.

The utility model is further provided with: the rotary shaft top is fixedly provided with a knob, and the top of the installation cover is fixedly provided with a label.

The utility model is further provided with: the side wall of the frame body is fixedly provided with a handle.

The beneficial effects of the utility model are as follows:

1. the fixing mechanism is arranged, when the stem cell freezing tube is placed in the storage tank, the pressure plate is downwards pressed by the stem cell freezing tube, so that the clamping piece at the top of the connecting rod is attached to the side wall of the stem cell freezing tube, the stem cell freezing tube is clamped, the stem cell freezing tube is stably fixed in the storage tank, the mounting cover is placed at the top of the storage tank, the movable piece and the first spring are arranged at the bottom of the mounting cover, and when the mounting cover is covered, the movable piece can be attached to the top of the stem cell freezing tube through the thrust of the first spring, and the top, the bottom and the side wall of the stem cell freezing tube are simultaneously fixed by matching with the pressure plate and the clamping piece, so that the stem cell freezing tube is more safely and stably stored;

2. the fixed mounting mechanism is arranged, the gear is arranged on the side wall of the rotating shaft, and rotates along with the rotating shaft when the rotating shaft rotates, and the rack is driven to slide along the side wall of the guide rod through the rotation of the gear, so that the rack can be clamped in the clamping groove, and the mounting of the mounting cover is more stable;

3. the installation lid is inside to be offered the installation cavity, and installation cavity inside fixed mounting has the third spring, and joint spare fixed mounting is in third spring one end, and the rack is inside to be offered with joint spare assorted joint groove, through setting up joint spare and joint groove, can be when the rack stretches out and withdraws to fix the rack, prevents that the rack from sliding by oneself because of the buffering.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a partial cross-sectional view of the present utility model.

Fig. 3 is a cross-sectional view of a mounting cap portion in the present utility model.

Fig. 4 is a cross-sectional view of a clamp portion of the present utility model.

In the figure: 1. a frame body; 2. a mounting cover; 3. a rotating shaft; 4. a label; 5. a storage tank; 6. a fixing member; 7. a first spring; 8. a movable member; 9. a pressure plate; 10. a mounting shaft; 11. a connecting rod; 12. a clamping member; 13. a second spring; 14. a gear; 15. a guide rod; 16. a rack; 17. a clamping groove; 18. a clamping piece; 19. a mounting cavity; 20. a third spring; 21. a movable cavity; 22. a fourth spring; 23. a movable rod; 24. a fixing pad; 25. a knob; 26. a handle.

Detailed Description

The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a storage rack for stem cell freezing storage tubes comprises a rack body 1, wherein the rack body 1 is provided with a plurality of storage tanks 5, the storage tanks 5 are used for storing the stem cell freezing storage tubes, handles 26 are fixedly arranged on the side walls of the rack body 1, the rack body 1 is more convenient to take by arranging the handles 26, and a fixing mechanism is arranged inside the storage tanks 5;

the fixed establishment includes installation lid 2, pressure plate 9, installation axle 10 and connecting rod 11, pressure plate 9 swing joint is inside storage tank 5, pressure plate 9 lateral wall fixed mounting has second spring 13, can play the supporting role to pressure plate 9 through setting up second spring 13, installation axle 10 installs at pressure plate 9 top, connecting rod 11 fixed mounting is at installation axle 10 lateral wall, connecting rod 11 passes through installation axle 10 swing joint at pressure plate 9 top, the chute has been seted up to storage tank 5 inside, connecting rod 11 is located the chute inside, when putting into storage tank 5 inside with the stem cell cryopreservation pipe through setting up the chute, stem cell cryopreservation pipe is with pressure plate 9 downward pressure, make the holder 12 at connecting rod 11 top laminate stem cell cryopreservation pipe lateral wall under the structure extrusion of chute, thereby come to carry out the centre gripping to the stem cell cryopreservation pipe, thereby with stem cell cryopreservation pipe steady fixed storage tank 5 inside, connecting rod 11 one end fixed mounting has holder 12, installation lid 2 installs storage tank 5 top through setting up and can carry out shutoff to storage tank 5 top, thereby play better storage tank protection effect to storage tank 5 inside stem cell cryopreservation pipe.

In this embodiment, the installation lid 2 bottom sets up fixed mounting has mounting 6, the inside swing joint of mounting 6 has moving part 8, fixed mounting has first spring 7 between moving part 8 one side and the mounting 6 top, through setting up moving part 8 and first spring 7 in installation lid 2 bottom, make moving part 8 can laminate stem cell cryopreservation pipe top through the thrust of first spring 7 when covering installation lid 2, thereby cooperation pressure plate 9 and clamping part 12 are fixed stem cell cryopreservation pipe top, bottom and lateral wall simultaneously, make the storage of stem cell cryopreservation pipe more safe and stable.

In this embodiment, the movable cavity 21 is formed inside the clamping member 12, the fourth spring 22 is fixedly installed inside the movable cavity 21, the movable rod 23 is fixedly installed at one end of the fourth spring 22, the fixed pad 24 is fixedly installed at one end of the movable rod 23, the stem cell cryopreservation tube can be fixed more stably by setting the fixed pad 24, the clamping member 12 and the fixed pad 24 are arc-shaped members, and the fixed pad 24 can be tightly attached to the side wall of the stem cell cryopreservation tube under the acting force of the fourth spring 22 by setting the fourth spring 22 and the fixed pad 24 when the clamping member 12 clamps the side wall of the stem cell cryopreservation tube, so that the stem cell cryopreservation tube with various specifications can be fixed.

In this embodiment, the inside fixed mounting mechanism that is provided with of installation lid 2, fixed mounting mechanism includes pivot 3, gear 14, rack 16 and joint spare 18, pivot 3 rotates to be connected inside installation lid 2, the inside fixed mounting of installation lid 2 has guide bar 15, rack 16 sliding connection is in guide bar 15 lateral wall, make gear 14 can follow guide bar 15 lateral wall and slide through setting up guide bar 15, play the effect of guide rail, gear 14 fixed mounting is in pivot 3 lateral wall, and gear 14 meshes with rack 16, rack 16 assorted draw-in groove has been seted up in the storage tank 5 inside, the draw-in groove is the ring channel, through setting up gear 14 at pivot 3 lateral wall, rotate along with it through gear 14 when rotating pivot 3, it slides to drive rack 16 and prolong guide bar 15 lateral wall, make rack 16 can block in the draw-in groove, make the installation of installation lid 2 more stable, prevent that installation lid 2 from falling from storage tank 5, installation cavity 19 inside fixed mounting has third spring 20, joint spare 18 fixed mounting is in third spring 20 one end, 16 inside is equipped with rack 16 assorted with rack 17 and joint spare is carried out with rack 17, the draw-in groove is carried out with rack 17 to the joint spare, the self-run-out in order to prevent to stretch out in the draw-out with rack 16, the draw-in groove is matched with rack 17.

In this embodiment, knob 25 is fixed on the top of rotating shaft 3, and it is more convenient to control rotating shaft 3 to rotate by setting knob 25, and label 4 is fixed on the top of mounting cover 2, and label can be carried out corresponding storage tank 5 by setting label 4, so that it is easy to distinguish the stem cell freezing tube inside storage tank 5.

The implementation principle of the utility model is as follows: when the stem cell cryopreservation tube is placed in the storage tank 5 during use, when the stem cell cryopreservation tube is placed in the storage tank 5, the pressure plate 9 is pressed downwards by the stem cell cryopreservation tube, the clamping piece 12 at the top of the connecting rod 11 is pressed by the structure of the chute to be attached to the side wall of the stem cell cryopreservation tube, so that the stem cell cryopreservation tube is clamped, the stem cell cryopreservation tube is stably fixed in the storage tank 5, the mounting cover 2 is placed at the top of the storage tank 5, the movable piece 8 and the first spring 7 are arranged at the bottom of the mounting cover 2, and when the mounting cover 2 is covered, the movable piece 8 can be attached to the top of the stem cell cryopreservation tube through the thrust of the first spring 7, so that the top, the bottom and the side wall of the stem cell cryopreservation tube are simultaneously fixed by the cooperation of the pressure plate 9 and the clamping piece 12, and the stem cell cryopreservation tube is more safely and stably stored.

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, but is capable of various changes and modifications without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Stem cell cryopreservation pipe rack, its characterized in that: the device comprises a frame body (1), wherein the frame body (1) is provided with a plurality of storage tanks (5), and a fixing mechanism is arranged inside each storage tank (5);

the fixing mechanism comprises a mounting cover (2), a pressure plate (9), a mounting shaft (10) and a connecting rod (11), wherein the pressure plate (9) is movably connected inside the storage tank (5), a second spring (13) is fixedly arranged on the side wall of the pressure plate (9), the mounting shaft (10) is mounted at the top of the pressure plate (9), the connecting rod (11) is fixedly mounted on the side wall of the mounting shaft (10), the connecting rod (11) is movably connected with the top of the pressure plate (9) through the mounting shaft (10), a chute is formed in the storage tank (5), the connecting rod (11) is positioned inside the chute, a clamping piece (12) is fixedly mounted at one end of the connecting rod (11), and the mounting cover (2) is mounted at the top of the storage tank (5).

2. The stem cell cryopreservation tube holder of claim 1, wherein: the mounting cover is characterized in that a fixing piece (6) is fixedly arranged at the bottom of the mounting cover (2), a movable piece (8) is movably connected inside the fixing piece (6), and a first spring (7) is fixedly arranged between one side of the movable piece (8) and the top of the fixing piece (6).

3. The stem cell cryopreservation tube holder of claim 1, wherein: the clamping piece (12) is internally provided with a movable cavity (21), a fourth spring (22) is fixedly arranged in the movable cavity (21), one end of the fourth spring (22) is fixedly provided with a movable rod (23), and one end of the movable rod (23) is fixedly provided with a fixed pad (24).

4. A stem cell cryopreservation tube holder according to claim 3, wherein: the clamping piece (12) and the fixing pad (24) are arc-shaped pieces.

5. The stem cell cryopreservation tube holder of claim 1, wherein: the inside of the installation cover (2) is provided with a fixed installation mechanism.

6. The stem cell cryopreservation tube holder of claim 5, wherein: the fixed mounting mechanism comprises a rotating shaft (3), a gear (14), a rack (16) and a clamping piece (18), wherein the rotating shaft (3) is rotationally connected inside the mounting cover (2), a guide rod (15) is fixedly mounted inside the mounting cover (2), the rack (16) is slidably connected to the side wall of the guide rod (15), the gear (14) is fixedly mounted on the side wall of the rotating shaft (3), the gear (14) is meshed with the rack (16), a clamping groove matched with the rack (16) is formed in the storage groove (5), a mounting cavity (19) is formed in the mounting cover (2), a third spring (20) is fixedly mounted inside the mounting cavity (19), the clamping piece (18) is fixedly mounted at one end of the third spring (20), and a clamping groove (17) matched with the clamping piece (18) is formed in the rack (16).

7. The stem cell cryopreservation tube holder of claim 6, wherein: the rotary knob (25) is fixedly arranged at the top of the rotary shaft (3), and the tag (4) is fixedly arranged at the top of the mounting cover (2).

8. The stem cell cryopreservation tube holder of claim 1, wherein: the side wall of the frame body (1) is fixedly provided with a handle (26).