CN108489166B

CN108489166B - Biological material low-temperature preservation cooling device

Info

Publication number: CN108489166B
Application number: CN201810150511.XA
Authority: CN
Inventors: 陈杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-13
Filing date: 2018-02-13
Publication date: 2020-05-22
Anticipated expiration: 2038-02-13
Also published as: CN108489166A

Abstract

The invention discloses a cooling device for storing and cooling biological materials at low temperature, which comprises an installation seat and a first installation groove arranged at the top of the installation seat, wherein a placing box is installed in the first installation groove, the placing box is filled with the biological materials, vertical plates are welded on two sides of the bottom of the installation seat, the bottom of each vertical plate is welded with a bottom plate, first rotating holes are formed in the sides, close to each other, of the two vertical plates, the same first rotating shaft is rotatably installed in the two first rotating holes, two ends of the first rotating shaft extend to the outer side of the first rotating holes, and a first bevel gear positioned between the two vertical plates is fixedly sleeved on the outer side of the first rotating shaft. The biological material cooling device is high in practicability, the biological material in the placing box is cooled through the second rotating shaft and the first fan blade, and the biological material in the placing box is further cooled through the third rotating shaft and the second fan blade, so that the operation is convenient.

Description

Biological material low-temperature preservation cooling device

Technical Field

The invention relates to the technical field of cooling equipment, in particular to a cooling device for low-temperature preservation of biological materials.

Background

The biological material is a natural or artificial special functional material which is used for contacting and interacting with a living system and can diagnose, treat, replace, repair or induce regeneration of cells, tissues and organs of the biological material, also called biomedical material, the biological material is the field of interdigitation of a plurality of developing subjects in the field of material science, the research content of the biological material relates to the subjects of material science, life science, chemistry, biology, anatomy, pathology, clinical medicine, pharmacology and the like, and also relates to the fields of engineering technology and management science, and through retrieval, the biological material low-temperature preservation and cooling cold room disclosed by the publication number CN205658253U comprises a box body with a rectangular inner cavity, a storage opening and a matched sealed box cover which are communicated with the rectangular inner cavity are arranged on the wall of the box body, an annular pipe and a reflecting baffle plate which are provided with liquid nitrogen injection holes distributed around the inner cavity of the cold room, liquid nitrogen is uniformly sprayed in the inner cavity of the cooling chamber, so that the temperature distribution of the inner cavity of the cooling chamber is balanced, the cooling rate can be adjusted according to the characteristic cooling rate of different biological materials, the temperature of the different biological materials is reduced to-80 ℃ according to the characteristic cooling rate, the safety of the biological materials is over the most important low-temperature process in low-temperature storage, but the operation is complicated, the biological materials are inconvenient to rapidly cool in the cooling chamber, and therefore, a cooling device for low-temperature storage of the biological materials is provided for solving the problems.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a device for preserving, cooling and cooling biological materials at low temperature.

The invention provides a biomaterial low-temperature preservation cooling device, which comprises an installation seat and a first installation groove arranged at the top of the installation seat, wherein a placing box is arranged in the first installation groove, biomaterial is contained in the placing box, vertical plates are welded on two sides of the bottom of the installation seat, the bottoms of the two vertical plates are welded with a bottom plate, first rotating holes are respectively formed in one sides, close to each other, of the two vertical plates, the same first rotating shaft is rotatably arranged in the two first rotating holes, two ends of the first rotating shaft extend to the outer side of the first rotating holes, a first bevel gear positioned between the two vertical plates is fixedly sleeved on the outer side of the first rotating shaft, a second rotating hole is formed in the inner wall of the bottom of the first installation groove, a second rotating shaft is rotatably arranged in the second rotating holes, the bottom end of the second rotating shaft extends to the lower part of the installation seat and is welded with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the top end of the second rotating shaft extends into the first mounting groove, a plurality of first fan blades which are all positioned in the first mounting groove are welded on the outer side of the second rotating shaft, the plurality of first fan blades are all positioned below the placing box, a second mounting groove is formed in the top of the bottom plate, a push rod motor is installed in the second mounting groove, a push plate is welded on an output shaft of the push rod motor and is positioned on one side of the first rotating shaft, a gear is installed on the outer side of the first rotating shaft, a rack is installed on one side, close to the first rotating shaft, of the push plate, the gear is meshed with the rack, two first symmetrically-arranged drawn wires are wound on the outer side of the first rotating shaft, two vertical plates are positioned between the two first drawn wires, first reels are fixedly installed on two sides of the top of the mounting seat, and two second symmetrically-arranged reels are fixedly installed, two second reels are positioned between the two first reels, the top ends of the first drawn wires are respectively connected with the outer sides of the corresponding first reels and the second reels in a sliding manner and are connected with the top of the placing box, rectangular grooves are respectively formed on the inner walls of the two sides of the first mounting groove, vertical holes are formed in the inner wall of the bottom of each rectangular groove, rotating grooves are respectively formed in the inner wall of one side, far away from each other, of the two rectangular grooves, third rotating shafts are rotatably mounted in the rotating grooves, the ends, close to each other, of the two third rotating shafts respectively extend into the corresponding rectangular grooves, torsion springs are respectively welded at the ends, far away from each other, of the two torsion springs are respectively welded with the inner wall of one side, far away from each other, of the two rotating grooves, a plurality of second fan blades are welded at the outer side of the third rotating shaft, and two second drawn wires which are positioned between the two vertical, the top end of the second drawn wire penetrates through the corresponding vertical hole and is wound on the outer side of the third rotating shaft.

Preferably, all weld on the both sides inner wall of first mounting groove and have the limiting plate, the top of two limiting plates all contacts with the bottom of placing the case.

Preferably, the bottom welding of push rod motor has the mounting panel, and the push rod motor passes through the mounting panel screw thread to be fixed in on the bottom inner wall of second mounting groove.

Preferably, the connecting groove has been seted up to the bottom of mount pad, the top of catch bar extend to in the connecting groove and with the inner wall sliding connection of connecting groove.

Preferably, the number of the first fan blades is four to six, and the four to six first fan blades are annularly arranged.

Preferably, the number of the second fan blades on the same third rotating shaft is four to six, and the four to six second fan blades on the same third rotating shaft are annularly arranged.

Preferably, the placing box is connected with the inner wall of the first mounting groove in a sliding mode.

Preferably, a first sliding block is installed on the outer side of the first rotating shaft in the first rotating hole, a first annular sliding rail is arranged on the inner wall of the first rotating hole, and the first sliding block is connected with the first annular sliding rail in a sliding mode.

Preferably, a second sliding block is installed on the outer side of the second rotating shaft in the second rotating hole, a second annular sliding rail is arranged on the inner wall of the second rotating hole, and the second sliding block is connected with the second annular sliding rail in a sliding mode.

Preferably, a third sliding block is installed on the outer side of a third rotating shaft located in the rotating groove, a third annular sliding rail is arranged on the inner wall of the rotating groove, and the third sliding block is connected with the third annular sliding rail in a sliding mode.

Compared with the prior art, the invention has the beneficial effects that:

(1) the mounting seat, the placing box, the vertical plate, the bottom plate, the first rotating shaft, the first bevel gear, the second rotating shaft, the first fan blade, the second bevel gear, the second mounting groove, the push rod motor, the push plate, the gear and the rack are matched, the push rod motor is started, an output shaft of the push rod motor drives the push plate to move, the rack on the push plate is meshed with the gear on the first rotating shaft to drive the first rotating shaft to rotate, the first rotating shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the second rotating shaft to rotate, the second rotating shaft drives the first fan blade to rotate, and the first fan blade cools down the biological materials in the placing box;

(2) the utility model discloses a biological material cooling treatment device, including first wire drawing, first reel, the second reel, erect the hole, the second wire drawing, the rectangular channel, the rotation groove, the third pivot, torsion spring, second fan blade and limiting plate cooperate, first pivot drives first wire drawing and removes, first wire drawing drives places the case and removes, make and place the case and reciprocate, first pivot drives the second wire drawing simultaneously and removes, the second wire drawing drives the third pivot and rotates, third pivot extrusion torsion spring, torsion spring's existence can make second wire drawing answer normal position, the third pivot drives the second fan blade and rotates, the second fan blade further carries out cooling treatment to the biological material of placing the incasement, and convenient for operation.

The biological material cooling device is high in practicability, the biological material in the placing box is cooled through the second rotating shaft and the first fan blade, and the biological material in the placing box is further cooled through the third rotating shaft and the second fan blade, so that the operation is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a cooling device for cryopreservation of biological materials in accordance with the present invention;

FIG. 2 is a schematic structural diagram of part A of the biomaterial cryopreservation, cooling and cooling device according to the present invention;

FIG. 3 is a schematic structural diagram of a portion B of the device for cryopreservation, cooling and cooling of biological materials according to the present invention;

FIG. 4 is a schematic structural diagram of a portion C of the device for cryopreservation, cooling and cooling of biological materials according to the present invention;

fig. 5 is a schematic view of a connection structure between a gear on a first rotating shaft and a rack on a pushing plate of the biomaterial cryopreservation, cooling and cooling device provided by the invention.

In the figure: the novel wire drawing machine comprises a mounting seat 1, a first mounting groove 2, a placing box 3, a vertical plate 4, a bottom plate 5, a first rotating hole 6, a first rotating shaft 7, a first conical gear 8, a second rotating hole 9, a second rotating shaft 10, a first fan blade 11, a second conical gear 12, a second mounting groove 13, a push rod motor 14, a push plate 15, a gear 16, a rack 17, a first wire drawing 18, a first wire winding wheel 19, a second wire winding wheel 20, a vertical hole 21, a second wire drawing 22, a rectangular groove 23, a rotating groove 24, a third rotating shaft 25, a torsion spring 26, a second fan blade 27 and a limiting plate 28.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Examples

Referring to fig. 1-5, the embodiment provides a biomaterial low-temperature preservation cooling device, which includes a mounting seat 1 and a first mounting groove 2 opened at the top of the mounting seat 1, a placing box 3 is installed in the first mounting groove 2, biomaterial is contained in the placing box 3, vertical plates 4 are welded on both sides of the bottom of the mounting seat 1, the same bottom plate 5 is welded on the bottom of the two vertical plates 4, first rotating holes 6 are opened on the sides of the two vertical plates 4 close to each other, the same first rotating shaft 7 is rotatably installed in the two first rotating holes 6, both ends of the first rotating shaft 7 extend to the outer side of the first rotating hole 6, a first conical gear 8 positioned between the two vertical plates 4 is fixedly sleeved on the outer side of the first rotating shaft 7, a second rotating hole 9 is opened on the inner wall of the bottom of the first mounting groove 2, a second rotating shaft 10 is rotatably installed in the second rotating hole 9, the bottom end of a second rotating shaft 10 extends to the lower part of the mounting seat 1 and is welded with a second bevel gear 12, the second bevel gear 12 is meshed with a first bevel gear 8, the top end of the second rotating shaft 10 extends into the first mounting groove 2, the outer side of the second rotating shaft 10 is welded with a plurality of first fan blades 11 which are all positioned in the first mounting groove 2, the plurality of first fan blades 11 are all positioned below the placing box 3, the top of the bottom plate 5 is provided with a second mounting groove 13, a push rod motor 14 is arranged in the second mounting groove 13, an output shaft of the push rod motor 14 is welded with a push plate 15, the push plate 15 is positioned at one side of the first rotating shaft 7, the outer side of the first rotating shaft 7 is provided with a gear 16, one side of the push plate 15 close to the first rotating shaft 7 is provided with a rack 17, the gear 16 is meshed with the rack 17, the outer side of the first rotating shaft 7 is wound with two first drawing wires 18 which are symmetrically arranged, and the two, the top both sides of mount pad 1 all fixed mounting have first reel 19, the top of mount pad 1 still fixed mounting have two second reels 20 that the symmetry set up, two second reels 20 are located between two first reels 19, the top of first wire drawing 18 respectively with the outside sliding connection of corresponding first reel 19 and second reel 20 and with place the top of case 3 and be connected, rectangular groove 23 has all been seted up on the both sides inner wall of first mounting groove 2, set up perpendicular hole 21 on the bottom inner wall of rectangular groove 23, all set up rotating groove 24 on the one side inner wall that two rectangular grooves 23 kept away from each other, rotating groove 24 internal rotation is installed with third pivot 25, the one end that two third pivot 25 are close to each other extends to corresponding rectangular groove 23 respectively, the one end that two third pivot 25 were kept away from each other all welds torsion spring 26, the one end that two torsion spring 26 were kept away from each other respectively with the one side inner wall that two rotating grooves 24 were kept away from each other welds, a plurality of second fan blades 27 are welded on the outer side of the third rotating shaft 25, two second drawn wires 22 which are positioned between the two vertical plates 4 are wound on the outer side of the first rotating shaft 7, the top ends of the second drawn wires 22 penetrate through corresponding vertical holes 21 and are wound on the outer side of the third rotating shaft 25, the push rod motor 14 is started through the matching of the mounting seat 1, the placing box 3, the vertical plates 4, the bottom plate 5, the first rotating shaft 7, the first bevel gear 8, the second rotating shaft 10, the first fan blade 11, the second bevel gear 12, the second mounting groove 13, the push rod motor 14, the push plate 15, the gear 16 and the rack 17, the output shaft of the push rod motor 14 drives the push plate 15 to move, the rack 17 on the push plate 15 is meshed with the gear 16 on the first rotating shaft 7 to drive the first bevel gear 8 to rotate, the first bevel gear 8 drives the second bevel gear 12 to rotate, the second bevel gear 12 drives the second rotating shaft 10 to rotate, the second rotating shaft 10 drives the first fan blade 11 to rotate, and the first fan blade 11 cools the biological materials in the placing box 3; through the cooperation of the first wire drawing 18, the first wire winding wheel 19, the second wire winding wheel 20, the vertical hole 21, the second wire drawing 22, the rectangular groove 23, the rotating groove 24, the third rotating shaft 25, the torsion spring 26, the second fan blade 27 and the limiting plate 28, the first rotating shaft 7 drives the first wire drawing 18 to move, the first wire drawing 18 drives the placing box 3 to move, so that the placing box 3 moves up and down, the first rotating shaft 7 simultaneously drives the second wire drawing 22 to move, the second wire drawing 22 drives the third rotating shaft 25 to rotate, the third rotating shaft 25 extrudes the torsion spring 26, the second wire drawing 22 can return to the original position due to the existence of the torsion spring 26, the third rotating shaft 25 drives the second fan blade 27 to rotate, the second fan blade 27 further cools and cools the biological material in the placing box 3, the operation is convenient, the practicability of the invention is high, and through the second rotating shaft 10 and the first fan blade 11, carry out cooling treatment to the biomaterial of placing in the case 3 to through third pivot 25 and second fan blade 27, further carry out cooling treatment, convenient operation to the biomaterial of placing in the case 3.

In this embodiment, the inner walls of the two sides of the first mounting groove 2 are welded with the limiting plates 28, the tops of the two limiting plates 28 are contacted with the bottom of the placing box 3, the bottom of the push rod motor 14 is welded with the mounting plate, the push rod motor 14 is fixed on the inner wall of the bottom of the second mounting groove 13 through the mounting plate threads, the bottom of the mounting seat 1 is provided with a connecting groove, the top of the push plate 15 extends into the connecting groove and is connected with the inner wall of the connecting groove in a sliding manner, the number of the first fan blades 11 is four to six, the number of the four to six first fan blades 11 is arranged in an annular manner, the number of the second fan blades 27 on the same third rotating shaft 25 is four to six, the four to six second fan blades 27 on the same third rotating shaft 25 are arranged in an annular manner, the placing box 3 is connected with the inner wall of the first mounting groove 2 in a sliding manner, the outer side of the, a first annular slide rail is arranged on the inner wall of the first rotating hole 6, a first slide block is connected with the first annular slide rail in a sliding manner, a second slide block is arranged on the outer side of a second rotating shaft 10 positioned in a second rotating hole 9, a second annular slide rail is arranged on the inner wall of the second rotating hole 9, the second slide block is connected with the second annular slide rail in a sliding manner, a third slide block is arranged on the outer side of a third rotating shaft 25 positioned in a rotating groove 24, a third annular slide rail is arranged on the inner wall of the rotating groove 24, the third slide block is connected with the third annular slide rail in a sliding manner, and the push rod motor 14 is started through the matching of the mounting seat 1, the placing box 3, the vertical plate 4, the bottom plate 5, the first rotating shaft 7, the first conical gear 8, the second rotating shaft 10, the first fan blade 11, the second conical gear 12, the second mounting groove 13, the push rod motor 14, the push plate 15, the gear 16 and the rack 17, a rack 17 on the pushing plate 15 is meshed with a gear 16 on the first rotating shaft 7 to drive the first rotating shaft 7 to rotate, the first rotating shaft 7 drives the first bevel gear 8 to rotate, the first bevel gear 8 drives the second bevel gear 12 to rotate, the second bevel gear 12 drives the second rotating shaft 10 to rotate, the second rotating shaft 10 drives the first fan blade 11 to rotate, and the first fan blade 11 cools the biological material in the placing box 3; through the cooperation of the first wire drawing 18, the first wire winding wheel 19, the second wire winding wheel 20, the vertical hole 21, the second wire drawing 22, the rectangular groove 23, the rotating groove 24, the third rotating shaft 25, the torsion spring 26, the second fan blade 27 and the limiting plate 28, the first rotating shaft 7 drives the first wire drawing 18 to move, the first wire drawing 18 drives the placing box 3 to move, so that the placing box 3 moves up and down, the first rotating shaft 7 simultaneously drives the second wire drawing 22 to move, the second wire drawing 22 drives the third rotating shaft 25 to rotate, the third rotating shaft 25 extrudes the torsion spring 26, the second wire drawing 22 can return to the original position due to the existence of the torsion spring 26, the third rotating shaft 25 drives the second fan blade 27 to rotate, the second fan blade 27 further cools and cools the biological material in the placing box 3, the operation is convenient, the practicability of the invention is high, and through the second rotating shaft 10 and the first fan blade 11, carry out cooling treatment to the biomaterial of placing in the case 3 to through third pivot 25 and second fan blade 27, further carry out cooling treatment, convenient operation to the biomaterial of placing in the case 3.

In the embodiment, in use, the whole device is placed in a cold chamber, the push rod motor 14 is started, the output shaft of the push rod motor 14 drives the push plate 15 to move, so that the push plate 15 slides on the inner wall of the connecting groove, the rack 17 on the push plate 15 is meshed with the gear 16 on the first rotating shaft 7 to drive the first rotating shaft 7 to rotate, the first rotating shaft 7 drives the first bevel gear 8 to rotate, the first bevel gear 8 is meshed with the second bevel gear 12 to drive the second bevel gear 12 to rotate, the second bevel gear 12 drives the second rotating shaft 10 to rotate, the second rotating shaft 10 drives the first fan blade 11 to rotate, the first fan blade 11 cools the biological material in the placing box 3, the first rotating shaft 7 drives the first drawn wire 18 to move, the first drawn wire 18 drives the placing box 3 to move, so that the placing box 3 moves up and down, place case 3 and slide on the inner wall of first mounting groove 2, first pivot 7 drives second wire drawing 22 simultaneously and removes, second wire drawing 22 drives third pivot 25 and rotates, third pivot 25 extrusion torsion spring 26, torsion spring 26's existence can be so that second wire drawing 22 comes back the normal position, third pivot 25 drives second fan blade 27 and rotates, second fan blade 27 further carries out cooling treatment, convenient operation to the biomaterial of placing in the case 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A cooling device for low-temperature preservation of biological materials comprises a mounting seat (1) and a first mounting groove (2) formed in the top of the mounting seat (1), and is characterized in that a placing box (3) is mounted in the first mounting groove (2), the biological materials are contained in the placing box (3), vertical plates (4) are welded on two sides of the bottom of the mounting seat (1), the same bottom plate (5) is welded on the bottoms of the two vertical plates (4), first rotating holes (6) are formed in one sides, close to each other, of the two vertical plates (4), the same first rotating shaft (7) is rotatably mounted in the two first rotating holes (6), two ends of the first rotating shaft (7) extend to the outer sides of the first rotating holes (6), a first bevel gear (8) located between the two vertical plates (4) is fixedly sleeved on the outer sides of the first rotating shaft (7), a second rotating hole (9) is formed in the inner wall of the bottom of the first mounting groove (2), a second rotating shaft (10) is rotatably installed in a second rotating hole (9), the bottom end of the second rotating shaft (10) extends to the lower portion of the installation seat (1) and is welded with a second bevel gear (12), the second bevel gear (12) is meshed with the first bevel gear (8), the top end of the second rotating shaft (10) extends into the first installation groove (2), a plurality of first fan blades (11) which are all positioned in the first installation groove (2) are welded on the outer side of the second rotating shaft (10), the plurality of first fan blades (11) are all positioned below the placing box (3), a second installation groove (13) is formed in the top of the bottom plate (5), a push rod motor (14) is installed in the second installation groove (13), a push plate (15) is welded on an output shaft of the push rod motor (14), the push plate (15) is positioned on one side of the first rotating shaft (7), a gear (16) is installed on the outer side of the first rotating shaft (7), one side of the push plate (15) close to the first rotating shaft (7) is provided with a rack (17), a gear (16) is meshed with the rack (17), the outer side of the first rotating shaft (7) is wound with two first wire drawing wheels (18) which are symmetrically arranged, the two vertical plates (4) are positioned between the two first wire drawing wheels (18), the two sides of the top of the mounting seat (1) are fixedly provided with first wire winding wheels (19), the top of the mounting seat (1) is also fixedly provided with two second wire winding wheels (20) which are symmetrically arranged, the two second wire winding wheels (20) are positioned between the two first wire winding wheels (19), the top end of each first wire drawing wheel (18) is respectively connected with the outer sides of the corresponding first wire winding wheel (19) and the second wire winding wheel (20) in a sliding manner and is connected with the top of the placing box (3), the inner walls of the two sides of the first mounting groove (2) are respectively provided with a rectangular groove (23), and the inner wall of the bottom of, all seted up rotation groove (24) on the one side inner wall of keeping away from each other of two rectangular channel (23), rotation groove (24) internal rotation is installed third pivot (25), the one end that two third pivot (25) are close to each other extends to in corresponding rectangular channel (23) respectively, torsion spring (26) have all been welded to the one end that two third pivot (25) kept away from each other, the one side inner wall that one end that two torsion spring (26) kept away from each other respectively and two rotation groove (24) kept away from each other welds, the outside welding of third pivot (25) has a plurality of second fan blades (27), the outside of first pivot (7) is around being equipped with two second wire drawing (22) that all are located between two vertical boards (4), the outside of third pivot (25) is located around corresponding perpendicular hole (21) is run through on the top of second wire drawing (22).

2. The biomaterial cryopreservation, cooling and cooling device as claimed in claim 1, wherein the inner walls of the two sides of the first mounting groove (2) are welded with limiting plates (28), and the tops of the two limiting plates (28) are in contact with the bottom of the storage box (3).

3. The biomaterial cryopreservation, cooling and cooling device as claimed in claim 2, wherein a mounting plate is welded to the bottom of the push rod motor (14), and the push rod motor (14) is screwed on the bottom inner wall of the second mounting groove (13) through the mounting plate.

4. The biomaterial cryopreservation, cooling and cooling device as claimed in claim 3, wherein the bottom of the mounting base (1) is provided with a connecting groove, and the top of the pushing plate (15) extends into the connecting groove and is slidably connected with the inner wall of the connecting groove.

5. The biomaterial cryopreservation, cooling and cooling device as claimed in claim 4, wherein the number of the first fan blades (11) is four to six, and the four to six first fan blades (11) are annularly arranged.

6. The biomaterial cryopreservation, cooling and cooling device as claimed in claim 5, wherein the number of the second blades (27) on the same third rotating shaft (25) is four to six, and the four to six second blades (27) on the same third rotating shaft (25) are annularly arranged.

7. The biomaterial cryopreservation, cooling and cooling device as claimed in claim 6 wherein the placing box (3) is slidably connected with the inner wall of the first mounting groove (2).

8. The biomaterial cryopreservation, cooling and cooling device as claimed in claim 7, wherein a first sliding block is installed at the outer side of the first rotating shaft (7) in the first rotating hole (6), a first annular sliding rail is arranged on the inner wall of the first rotating hole (6), and the first sliding block is connected with the first annular sliding rail in a sliding manner.

9. The biomaterial cryopreservation, cooling and cooling device as claimed in claim 8, wherein a second sliding block is installed at the outer side of the second rotating shaft (10) in the second rotating hole (9), a second annular sliding rail is arranged on the inner wall of the second rotating hole (9), and the second sliding block is connected with the second annular sliding rail in a sliding manner.

10. The biomaterial cryopreservation, cooling and cooling device as claimed in claim 9, wherein a third sliding block is installed at the outer side of the third rotating shaft (25) in the rotating groove (24), a third annular sliding rail is arranged on the inner wall of the rotating groove (24), and the third sliding block is connected with the third annular sliding rail in a sliding manner.