CN213300555U

CN213300555U - Cold-stored conveyer of biological agent

Info

Publication number: CN213300555U
Application number: CN202021926326.4U
Authority: CN
Inventors: 司春燕
Original assignee: Sino American Ruikang Nucleic Acid Technology Nantong Research Institute Co ltd
Current assignee: Sino American Ruikang Nucleic Acid Technology Nantong Research Institute Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-05-28
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a cold-stored conveyer of biological agent relates to biological agent transportation equipment technical field, to the problem that current biological agent is not convenient for transport, now proposes following scheme, and it is including the transportation box, the inside top-down of transportation box has seted up equipment chamber, refrigeration chamber in proper order, has put the thing chamber and accomodate the chamber, the inside in refrigeration chamber is equipped with dry ice box, the ventilation hole has been seted up to the refrigeration chamber and has put the inner wall between the thing chamber, the inner wall at equipment chamber top is fixed with driving motor, driving motor's output transmission is connected with the pivot, driving motor's one end is kept away from in the pivot extends to the inside in refrigeration chamber. The utility model discloses can carry out effectual cold-stored to biological agent, and can be according to user's transportation demand, nimble transport cold-stored biological agent to can be simple and convenient accomodate the removal part to cold-stored conveyer, the working property is high, convenient to use.

Description

Cold-stored conveyer of biological agent

Technical Field

The utility model relates to a biological agent transportation equipment technical field especially relates to a biological agent's cold-stored conveyer.

Background

The biological preparation is prepared from various carbon-based organisms with medical and research values as raw materials by using the traditional technology or the modern biotechnology, and is various preparations in various forms for preventing, treating and diagnosing various physiological symptoms of human bodies.

The existing biological preparation is mostly refrigerated by adopting a liquid nitrogen tank in the transportation process, and then the liquid nitrogen tank is transported by using a corresponding vehicle, so that the biological preparation is transported, although the biological preparation can be transported, the transportation process is more complicated, the transportation cost is higher, and therefore, the refrigerated transportation device for the biological preparation is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of biological agent's cold-stored conveyer has solved the problem that biological agent is not convenient for transport.

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

the utility model provides a biological agent's cold-stored conveyer, includes the transport box, the inside top-down of transport box has seted up equipment chamber, refrigeration chamber in proper order, has put the thing chamber and has accomodate the chamber, the inside in refrigeration chamber is equipped with dry ice box, the ventilation hole has been seted up to refrigeration chamber and the inner wall of putting between the thing chamber, the inner wall at equipment chamber top is fixed with driving motor, driving motor's output transmission is connected with the pivot, driving motor's one end is kept away from in the pivot extends to the inside in refrigeration chamber to fixed the cover has been cup jointed to the flabellum, the flabellum rotates the cover and establishes the inside in refrigeration chamber, the flabellum is located the top of dry ice box, the inside of putting the thing chamber is fixed with carries the thing piece, it has seted up a plurality of intercommunicating.

Preferably, the moving part comprises a worm, the worm is located inside the containing cavity, the outer walls of the two ends of the worm are provided with threads, the thread directions are opposite, the outer walls of the two ends of the worm are in threaded sleeve connection with a driving sleeve, a sliding plate is arranged below the worm, the sliding plate is in sliding connection with the inner wall of the containing cavity, the outer side of the driving sleeve is hinged with a driving block through a hinge, the other end of the driving block is respectively hinged on the outer side of the sliding plate through a hinge, universal wheels are fixed at four corners of the bottom of the sliding plate, a plurality of sliding holes are formed in the bottom of the transport case body, the sliding holes are communicated with the containing cavity, the sliding holes correspond to the universal wheels, one end of the worm is rotatably connected to the inner wall of the containing cavity through a bearing, a rotary groove is formed in one side of the containing cavity, the other end of the worm, the worm rotates to be connected in the inside of rotary groove, handle threaded connection has the bolt, the outside of transport box uses the rotary groove to set up a plurality of thread grooves along circumference as the axle center, bolt and thread groove screw-thread fit work.

Preferably, the inner wall of accomodating chamber bottom both ends all rotates through the bearing and is connected with the lead screw of vertical setting, the other end of lead screw is through accomodating the chamber, putting thing chamber and cold-stored chamber to rotate through the bearing and connect on the inner wall at equipment cavity top, the lead screw outer wall that is located accomodating intracavity portion has all fixedly cup jointed the worm wheel, the worm wheel all with worm meshing work, the lead screw outer wall screw thread that is located equipment intracavity portion has cup jointed the linkage cover, the outside of linkage cover all is fixed with the cleaning brush, the both sides in equipment chamber all are inlayed and are equipped with the heat dissipation window, the brush hair of cleaning brush contacts with the heat dissipation window.

Preferably, the outside of transport box has first dodge gate, second dodge gate and third dodge gate through hinge top-down articulated in proper order, first dodge gate is corresponding with equipment chamber and cold-stored chamber, the second dodge gate is corresponding with putting the thing chamber, the third dodge gate is corresponding with accomodating the chamber, the outer wall of first dodge gate, second dodge gate and third dodge gate all is equipped with the sealing washer along circumference.

Preferably, the equipment chamber with refrigerate the inner wall between the chamber the refrigeration chamber with put the inner wall between the thing chamber, put the thing chamber and accomodate the inner wall between the chamber and carry the both ends of thing piece and all seted up the rotation groove, the lead screw rotates respectively to be connected in corresponding rotation inslot portion.

Preferably, the dry ice box is a shell with an upward opening.

The utility model discloses in:

through the matching work of the transportation box body, the equipment cavity, the refrigeration cavity, the storage cavity, the dry ice box, the air holes, the driving motor, the rotating shaft, the fan blades, the object carrying block, the worm, the driving sleeve, the sliding plate, the driving block, the universal wheel, the sliding hole, the handle, the bolt, the thread groove, the screw rod, the worm wheel, the linkage sleeve, the cleaning brush, the heat dissipation window, the first movable door, the second movable door and the third movable door, on one hand, the biological preparation can be effectively refrigerated, can flexibly transport the refrigerated biological agent according to the transportation requirements of users, can simply and conveniently store the moving parts of the refrigerated transportation device, thereby avoiding the moving parts from being damaged due to the excessive abrasion of the moving parts at the bottom of the refrigerated transport device caused by the heavy pressure of the refrigerated transport device for a long time, the movable parts are efficiently protected, and the cruising ability of the refrigerated transport device is effectively improved; on the other hand can carry out efficient radiating treatment to cold-stored part of cold-stored conveyer to the operating efficiency of effectual improvement cold-stored part, and can accomodate the in-process of moving part at the user, carry out effectual cleaning to cold-stored part, then the radiating efficiency of effectual improvement cold-stored part, the working property is high.

To sum up, the utility model discloses can carry out effectual cold-stored to biological agent, and can be according to user's transportation demand, nimble transport cold-stored biological agent to can be simple and convenient accomodate cold-stored conveyer's moving part, the working property is high, convenient to use.

Drawings

FIG. 1 is a schematic structural view of a refrigerating and transporting device for biological agents according to the present invention;

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

fig. 3 is a front view of a refrigerated transport device for biological agents according to the present invention.

Reference numbers in the figures: 1. transporting the box body; 2. an equipment chamber; 3. a refrigerated chamber; 4. a storage cavity; 5. A receiving cavity; 6. a dry ice box; 7. air holes are formed; 8. a drive motor; 9. a rotating shaft; 10. a fan blade; 11. carrying blocks; 12. a worm; 13. a drive sleeve; 14. a slide plate; 15. a drive block; 16. A universal wheel; 17. a slide hole; 18. a handle; 19. a bolt; 20. a thread groove; 21. a screw rod; 22. a worm gear; 23. a linkage sleeve; 24. a cleaning brush; 25. a heat dissipation window; 26. a first movable door; 27. a second movable door; 28. and a third movable door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a biological preparation refrigerating and transporting device, comprising a transporting box body 1, a device cavity 2, a refrigerating cavity 3, a storage cavity 4 and a storage cavity 5 are sequentially arranged in the transporting box body 1 from top to bottom, a dry ice box 6 is arranged in the refrigerating cavity 3, a vent hole 7 is arranged on the inner wall between the refrigerating cavity 3 and the storage cavity 4, a driving motor 8 is fixed on the inner wall of the top of the device cavity 2, the output end of the driving motor 8 is connected with a rotating shaft 9 in a transmission manner, one end of the rotating shaft 9 far away from the driving motor 8 extends to the inside of the refrigerating cavity 3, and is fixedly sleeved with a fan blade 10, the fan blade 10 is rotatably sleeved in the refrigerating cavity 3, the fan blade 10 is positioned above the dry ice box 6, a carrying block 11 is fixed in the storage cavity 4, the carrying block 11 is provided with a plurality of communication holes, a moving part is arranged in, the worm 12 is positioned inside the containing cavity 5, the outer walls of the two ends of the worm 12 are provided with threads, the directions of the threads are opposite, the outer walls of the two ends of the worm 12 are in threaded sleeve connection with a driving sleeve 13, a sliding plate 14 is arranged below the worm 12, two ends of the sliding plate 14 are provided with linkage holes, a screw rod 21 is rotatably connected inside the linkage holes, the sliding plate 14 is in sliding connection with the inner wall of the containing cavity 5, the outer side of the driving sleeve 13 is hinged with a driving block 15 through hinges, the other end of the driving block 15 is respectively hinged on the outer side of the sliding plate 14 through hinges, four corners of the bottom of the sliding plate 14 are respectively fixed with universal wheels 16, the bottom of the transport case 1 is provided with a plurality of sliding holes 17 and communicated with the containing cavity 5, the sliding holes 17 correspond to the universal wheels 16, one end of the worm 12 is rotatably connected on the inner wall of the containing cavity 5 through a bearing, and is fixed with a handle 18, the worm 12 is connected inside the rotary groove in a rotating way, the handle 18 is connected with a bolt 19 in a threaded way, the outer side of the transport case body 1 is provided with a plurality of thread grooves 20 along the circumferential direction by taking the rotary groove as the axis, the bolt 19 and the thread grooves 20 are matched in a threaded way, the outer side of the transport case body 1 is sequentially articulated with a first movable door 26, a second movable door 27 and a third movable door 28 from top to bottom through hinges, the first movable door 26, the equipment cavity 2 and the corresponding cold storage cavity 3, the second movable door 27 corresponds to the storage cavity 4, the third movable door 28 corresponds to the storage cavity 5, the outer walls of the first movable door 26, the second movable door 27 and the third movable door 28 are all provided with sealing rings along the circumferential direction, when a user needs to transport biological preparations by using the cold storage transport device, the user can open the second movable door 27 at the moment, the user can place the corresponding biological preparations on the inner wall at the bottom of the storage cavity 4 and, after the user has placed the biological agent, the user can close the second movable door 27, after the second movable door 27 is closed, the user can open the first movable door 26, and place a proper amount of dry ice inside the dry ice box 6, after the dry ice box 6 contains a sufficient amount of dry ice, the user can close the first movable door 26, and the cold air released by the dry ice inside the dry ice box 6 will enter the inside of the storage cavity 4 through the vent holes 7, and the cold air entering the inside of the storage cavity 4 will refrigerate the biological agent on the inner wall of the bottom of the storage cavity 4 and the biological agent on the top of the carrying block 11, and when the cold air released by the dry ice inside the dry ice box 6 refrigerates the biological agent on the inner wall of the bottom of the storage cavity 4 and the biological agent on the top of the carrying block 11, the rotation shaft 9 can be driven by the operation of the driving motor 8, accessible pivoted pivot 9 this moment drives flabellum 10 and rotates, and the cold air that 6 inside dry ices of dry ice box released is drawn together to accessible pivoted flabellum 10 this moment to accelerate the circulation rate of cold air, and then effectual improvement biological preparation's cold storage efficiency improves cold-stored conveyer's working property.

And when the user needs to transport the biological agent inside the refrigerated transport device, at this time, the user can rotate the bolt 19 to drive the bolt 19 to be separated from the inside of the thread groove 20, after the bolt 19 is separated from the inside of the thread groove 20, at this time, the user can rotate the handle 18 to drive the worm 12 to rotate, at this time, the driving sleeve 13 can be driven to displace through the thread matching work of the rotating worm 12 and the driving sleeve 13, the driving block 15 hinged on the driving sleeve 13 is driven to deflect, at this time, the sliding plate 14 can be driven to vertically displace downwards through the deflected driving block 15, at this time, the universal wheel 16 at the bottom of the sliding plate 14 can be driven to vertically downwards displace through the sliding plate 14 which vertically downwards displaces, when the universal wheel 16 slides out of the accommodating cavity 5 through the sliding hole 17 and is contacted with the ground, at this time, the user can rotate the bolt 19 to drive the bolt 19 to enter the corresponding thread, the worm 12 is locked this moment, and universal wheel 16 is locked this moment, and the user can promote transport box 1 this moment, and the rotation of accessible transport box 1 bottom universal wheel 16 this moment drives the refrigerated transport device and carries out the displacement to drive the inside biological agent of refrigerated transport device and carry out the displacement, the user can be convenient this moment transports biological agent.

And after the biological agent is transported to the corresponding use place, the user can rotate the bolt 19 to drive the bolt 19 to be separated from the inside of the thread groove 20, after the bolt 19 is separated from the inside of the thread groove 20, the user can rotate the handle 18 to drive the worm 12 to rotate, the drive sleeve 13 can be driven to displace through the thread matching work of the rotated worm 12 and the drive sleeve 13, the drive block 15 hinged on the drive sleeve 13 is driven to deflect, the slide plate 14 can be driven to vertically and upwardly displace through the deflected drive block 15, the slide plate 14 which vertically and upwardly displaces can drive the universal wheel 16 at the bottom of the slide plate 14 to vertically and upwardly displace, after the universal wheel 16 slides into the outside of the containing cavity 5 through the slide hole 17, the user can rotate the bolt 19 to drive the bolt 19 to enter the corresponding thread groove 20, and the worm 12 is locked, the universal wheel 16 is locked this moment, and the universal wheel 16 is accomodate in the inside of accomodating chamber 5 this moment to avoid the universal wheel 16 to receive refrigerated transport device's heavy load for a long time, lead to the universal wheel 16 of refrigerated transport device bottom to take place excessive wearing and tearing, thereby damage, carry out the efficient protection to the universal wheel 16, then effectual improvement refrigerated transport device's duration.

Accomodate the inner wall at 5 bottom both ends in chamber all to rotate the lead screw 21 that is connected with vertical setting through the bearing, the other end of lead screw 21 is through accomodating chamber 5, put thing chamber 4 and cold-stored chamber 3, and rotate the inner wall of connection at 2 tops in equipment chamber through the bearing, it has all fixedly cup jointed worm wheel 22 to be located the lead screw 21 outer wall of accomodating 5 inside, worm wheel 22 all meshes work with worm 12, it has cup jointed linkage cover 23 to be located the lead screw 21 outer wall screw thread of 2 inside in equipment chamber, the outside of linkage cover 23 all is fixed with cleaning brush 24, the both sides in equipment chamber 2 are all inlayed and are equipped with heat dissipation window 25, cleaning brush 24's brush hair contacts with heat dissipation window 25, through heat dissipation window 25, can discharge the heat that driving motor 8 operation produced, thereby the radiating efficiency of effectual.

And when the worm 12 rotates, the worm wheel 22 is driven to rotate, the screw rod 21 is driven to rotate through the rotating worm wheel 22, the screw rod 21 can be driven to rotate through the screw thread matching work of the rotating screw rod 21 and the linkage sleeve 23, the linkage sleeve 23 is driven to vertically displace, the cleaning brush 24 on the linkage sleeve 23 is driven to vertically displace, the heat dissipation window 25 can be cleaned through the cleaning brush 24 with the vertical displacement, and therefore the heat dissipation window 25 is prevented from being blocked by external dust or sundries after long-time heat dissipation work, and the heat dissipation efficiency of the heat dissipation window 25 is effectively improved.

Equipment chamber 2 and the inner wall between the cold-stored chamber 3, cold-stored chamber 3 with put the inner wall between the thing chamber 4, put the thing chamber 4 and accomodate the inner wall between the chamber 5 and carry the both ends of thing piece 11 and all seted up the rotation groove, lead screw 21 rotates respectively to be connected inside corresponding rotation groove, through rotating the groove, lead screw 21 can carry out nimble rotation.

The dry ice box 6 is a shell with an upward opening, and cold air emitted by dry ice in the dry ice box 6 can overflow the inside of the dry ice box 6 through the dry ice box 6 with the upward opening.

The working principle is as follows: when a user needs to transport the biological preparation by using the refrigeration transport device, the user can open the second movable door 27, the user can place the corresponding biological preparation on the inner wall at the bottom of the storage cavity 4 and at the top of the carrying block 11, after the user has placed the biological preparation, the user can close the second movable door 27, after the second movable door 27 is closed, the user can open the first movable door 26, appropriate dry ice is placed in the dry ice box 6, after sufficient dry ice is contained in the dry ice box 6, the user can close the first movable door 26, at the moment, cold air released by the dry ice in the dry ice box 6 enters the storage cavity 4 through the air holes 7, at the moment, the cold air entering the storage cavity 4 refrigerates the biological preparation on the inner wall at the bottom of the storage cavity 4 and the biological preparation at the top of the carrying block 11, when the biological agent on the inner wall of the bottom of the storage cavity 4 and the biological agent on the top of the object carrying block 11 are refrigerated by the cold air released by the dry ice in the dry ice box 6, the rotating shaft 9 can be driven to rotate by the operation of the driving motor 8, the fan blades 10 can be driven to rotate by the rotating shaft 9, the cold air released by the dry ice in the dry ice box 6 can be driven by the rotating fan blades 10, so that the circulation rate of the cold air is increased, the refrigerating efficiency of the biological agent is effectively improved, the working performance of the refrigerated transport device is improved, when a user needs to transport the biological agent in the refrigerated transport device, the user can rotate the bolt 19 to drive the bolt 19 to be separated from the inside of the thread groove 20, and after the bolt 19 is separated from the inside of the thread groove 20, the user can rotate the handle 18 to drive the worm 12 to rotate, at this time, the driving sleeve 13 is driven to displace through the thread matching work of the rotating worm 12 and the driving sleeve 13, the driving block 15 hinged on the driving sleeve 13 is driven to deflect, at this time, the sliding plate 14 is driven to vertically displace downwards through the deflected driving block 15, at this time, the universal wheel 16 at the bottom of the sliding plate 14 is driven to vertically displace downwards through the sliding plate 14 which vertically displaces downwards, when the universal wheel 16 slides out of the accommodating cavity 5 through the sliding hole 17 and contacts with the ground, at this time, a user can rotate the bolt 19 to drive the bolt 19 to enter the corresponding thread groove 20, at this time, the worm 12 is locked, at this time, the universal wheel 16 is locked, at this time, the user can push the transport box 1, at this time, the refrigeration transport device is driven to displace through the rotation of the universal wheel 16 at the bottom of the transport box 1, so as to drive the biological agent inside the refrigeration transport device, at this time, the user can conveniently transport the biological agent, and after the biological agent is transported to the corresponding use place, the user can rotate the bolt 19, drive the bolt 19 to be separated from the inside of the thread groove 20, after the bolt 19 is separated from the inside of the thread groove 20, the user can rotate the handle 18, drive the worm 12 to rotate, at this time, the screw thread cooperation work of the rotating worm 12 and the driving sleeve 13 can be used for driving the driving sleeve 13 to displace, the driving block 15 hinged on the driving sleeve 13 can be driven to deflect, at this time, the driving block 15 capable of deflecting can be used for driving the sliding plate 14 to perform vertical upward displacement, at this time, the sliding plate 14 capable of performing vertical upward displacement can be used for driving the universal wheel 16 at the bottom of the sliding plate 14 to perform vertical upward displacement, after the universal wheel 16 slides into the outside of the accommodating cavity 5 through the sliding hole 17, at this time, the user can rotate the bolt 19 to drive the, the worm 12 is locked at the moment, the universal wheel 16 is accommodated in the accommodating cavity 5 at the moment, so that the universal wheel 16 is prevented from being stressed by the refrigerated transport device for a long time, the universal wheel 16 at the bottom of the refrigerated transport device is damaged due to excessive abrasion, the universal wheel 16 is efficiently protected, the cruising ability of the refrigerated transport device is effectively improved, heat generated by the operation of the driving motor 8 can be discharged through the heat dissipation window 25, the heat dissipation efficiency of the driving motor 8 is effectively improved, the worm wheel 22 is driven to rotate when the worm 12 rotates, the screw rod 21 can be driven to rotate through the rotating worm wheel 22, the linkage sleeve 23 can be driven to vertically displace through the matching of the rotating screw rod 21 and the threads of the linkage sleeve 23, and the cleaning brush 24 on the linkage sleeve 23 is driven to vertically displace, the cleaning brush 24 of accessible vertical displacement cleans the heat dissipation window 25 this moment to avoid the heat dissipation window 25 after long-time heat dissipation work, the heat dissipation through-hole of heat dissipation window 25 is blockked up by external dust or debris, then effectual heat dissipation window 25's of improvement radiating efficiency.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a biological agent's cold-stored conveyer, includes transport box (1), its characterized in that, the inside top-down of transport box (1) has seted up equipment chamber (2), cold-stored chamber (3) in proper order, has put thing chamber (4) and accomodates chamber (5), the inside in cold-stored chamber (3) is equipped with dry ice box (6), cold-stored chamber (3) and the inner wall of putting between thing chamber (4) have seted up bleeder vent (7), the inner wall at equipment chamber (2) top is fixed with driving motor (8), the output transmission of driving motor (8) is connected with pivot (9), the one end that driving motor (8) were kept away from in pivot (9) extends to the inside in cold-stored chamber (3) to the fixed cover has connect flabellum (10) to flabellum (10) rotate the cover and establish the inside in cold-stored chamber (3), flabellum (10) are located the top of dry ice box (6), the inside of putting thing chamber (4) is fixed with carries thing piece (11), carry thing piece (11) and seted up a plurality of intercommunicating pores, the inside of accomodating chamber (5) is equipped with the removal part.

2. The refrigerated transport device for biological agents according to claim 1, characterized in that the moving component comprises a worm (12), the worm (12) is located inside the containing cavity (5), the outer walls of the two ends of the worm (12) are provided with threads, the thread directions are opposite, the outer walls of the two ends of the worm (12) are respectively sleeved with a driving sleeve (13), a sliding plate (14) is arranged below the worm (12), the sliding plate (14) is slidably connected with the inner wall of the containing cavity (5), the outer side of the driving sleeve (13) is respectively hinged with a driving block (15) through a hinge, the other end of the driving block (15) is respectively hinged with the outer side of the sliding plate (14) through a hinge, universal wheels (16) are fixed at four corners of the bottom of the sliding plate (14), and a plurality of sliding holes (17) are formed in the bottom of the transport case (1), slide opening (17) are linked together with accomodating chamber (5), slide opening (17) are corresponding with universal wheel (16), the one end of worm (12) is passed through the bearing and is rotated the connection on the inner wall of accomodating chamber (5), the turn trough has been seted up to one side of accomodating chamber (5), the other end of worm (12) extends the outside of turn trough to be fixed with handle (18), worm (12) rotate the inside of connecting at the turn trough, handle (18) threaded connection has bolt (19), a plurality of thread grooves (20) have been seted up along circumference in the outside of transport housing (1) with the turn trough as the axle center, bolt (19) and thread groove (20) screw-thread fit work.

3. A refrigerated transport unit for biological agents according to claim 1, the inner walls of the two ends of the bottom of the containing cavity (5) are rotatably connected with vertically arranged screw rods (21) through bearings, the other end of the screw rod (21) passes through the containing cavity (5), the object placing cavity (4) and the refrigerating cavity (3), and is rotationally connected on the inner wall of the top of the equipment cavity (2) through a bearing, worm wheels (22) are fixedly sleeved on the outer walls of the screw rods (21) positioned in the containing cavity (5), the worm wheel (22) is meshed with the worm (12) to work, a linkage sleeve (23) is sleeved on the outer wall of the screw rod (21) positioned in the equipment cavity (2) in a threaded manner, the outer side of the linkage sleeve (23) is fixedly provided with a cleaning brush (24), the two sides of the equipment cavity (2) are embedded with heat dissipation windows (25), and bristles of the cleaning brush (24) are in contact with the heat dissipation windows (25).

4. The refrigerated transport device for biological agents according to claim 1, characterized in that the outer side of the transport case (1) is hinged with a first movable door (26), a second movable door (27) and a third movable door (28) sequentially from top to bottom through hinges, the first movable door (26) corresponds to the equipment cavity (2) and the refrigeration cavity (3), the second movable door (27) corresponds to the storage cavity (4), the third movable door (28) corresponds to the storage cavity (5), and sealing rings are arranged on the outer walls of the first movable door (26), the second movable door (27) and the third movable door (28) along the circumferential direction.

5. The refrigerated transport device for biological agents according to claim 3, characterized in that the inner wall between the equipment chamber (2) and the refrigerated chamber (3), the inner wall between the refrigerated chamber (3) and the storage chamber (4), the inner wall between the storage chamber (4) and the receiving chamber (5), and the two ends of the storage block (11) are provided with a rotating groove, and the screw rods (21) are respectively and rotatably connected to the inside of the corresponding rotating grooves.

6. Refrigerated transport unit for biological agents according to claim 1 characterized in that the dry ice box (6) is a shell open upwards.