CN113446804B

CN113446804B - Liquid nitrogen bio-container is with square frame of depositing that freezes

Info

Publication number: CN113446804B
Application number: CN202010223392.3A
Authority: CN
Inventors: 廖春平; 易敏
Original assignee: Chengdu Keles Liquid Nitrogen Container Co ltd
Current assignee: Chengdu Keles Liquid Nitrogen Container Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2022-10-21
Anticipated expiration: 2040-03-26
Also published as: CN113446804A

Abstract

The invention belongs to the field of liquid nitrogen biological containers, and particularly relates to a square freezing rack for a liquid nitrogen biological container. The freezing rack is reasonable in structure and convenient to operate, the structure of the freezing rack is flexible and convenient to adjust, the use position of the movable rack is convenient to adjust, the freezing rack can be matched with freezing pipes of different models, the freezing rack is convenient to extract and store, the heat preservation performance is good, and taking and placing of samples off a liquid nitrogen container are safer.

Description

Liquid nitrogen bio-container is with square frame of depositing that freezes

Technical Field

The invention relates to the technical field of liquid nitrogen biological containers, in particular to a square freezing storage rack for a liquid nitrogen biological container.

Background

The liquid nitrogen biological container is widely applied to the fields of biology, medical treatment, livestock raising and the like. The cryopreservation tube is a commonly used accessory for collecting and storing biological samples all over the world, the cryopreservation tube is usually stored in a square cryopreservation box firstly, and liquid nitrogen biological containers of different specifications need different layers of square cryopreservation frames for adaptation; the traditional square lifting cylinder of the liquid nitrogen biological container is generally formed by welding sheet metal components. The welded square lifting cylinder is large in size and not beneficial to transportation, and dozens of square freezing frames with different specifications are matched with different liquid nitrogen biological containers; the traditional square lifting cylinder of the liquid nitrogen biological container is made of metal materials such as stainless steel or aluminum alloy, is heavy, requires labor for extraction and storage operation, and is easy to damage due to collision; the traditional square lifting cylinder of the liquid nitrogen biological container has no heat preservation performance, the temperature of a cryopreservation box rises to-150 ℃ in less than 1 minute after the square lifting cylinder leaves the liquid nitrogen container, and the safe operation time for extracting and storing by a cryopreservation tube is too short;

however, the existing freezing rack is assembled by welding, has large packaging volume, large self weight, inconvenient extraction and storage, no heat insulation performance and unsafe sample taking and placing after leaving a liquid nitrogen container.

Disclosure of Invention

The invention aims to solve the defects that a freezing frame is assembled by welding, the packaging volume is large, the self weight is large, the extraction and storage are inconvenient, the heat insulation performance is not realized, and the taking and placing of samples away from a liquid nitrogen container are unsafe in the prior art, and provides the square freezing frame for the liquid nitrogen biological container.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a liquid nitrogen biological container is with square cryopreserved frame, comprises a frame body, one side of support body is rotated and is installed the apron, the top fixed mounting of support body has the handle, the outside fixedly connected with heated board of support body is equipped with a plurality of removal framves in the support body, a plurality of fixed slots have been seted up at the top of removal frame, equal slidable mounting has the rack in a plurality of fixed slots, the mounting hole has all been seted up to one side of a plurality of racks, equal fixed mounting has the dead lever in a plurality of mounting holes, the both ends of dead lever weld respectively on the both sides inner wall of fixed slot, all the cover is equipped with the spring on a plurality of dead levers, the equal fixed mounting in one side of a plurality of racks has the fixing base, the fixed orifices has all movably mounted in a plurality of fixed holes, equal fixed mounting has the cryopreserved pipe on one side inner wall of a plurality of fixed holes, the fixed arm all slidably mounted has the screw rod with corresponding cryopreserved pipe and contacts on one side inner wall of a plurality of fixed holes, equal slidable mounting has the centre gripping arm with corresponding cryopreserved pipe in a plurality of grooves, the screw rod, the welding has all installed the screw nut on one side of the fixing base of screw rod, the screw rod corresponding.

Preferably, the sliding grooves are formed in the inner walls of the two sides of the groove, the sliding blocks are fixedly mounted on the two sides of the clamping arm respectively, the sliding blocks are slidably mounted in the corresponding sliding grooves, the sliding blocks are driven to slide in the sliding grooves when the clamping arm moves, and the position of the clamping arm when the clamping arm moves can be stabilized.

Preferably, the frame body and the plurality of movable frames are filled with glass fiber capillary materials, the frame body and the plurality of movable frames have strong adsorption capacity on liquid nitrogen, the square freezing storage frame absorbs a large amount of liquid nitrogen in the storage process of the liquid nitrogen tank, and meanwhile, the filling material is extremely low in thermal conductivity.

Preferably, an annular groove is formed in one side of the fixing seat, a moving block is fixedly mounted on one side of the nut, the moving block is connected with the side wall of the annular groove in a sliding mode, the nut drives the moving block to slide in the annular groove when rotating, and the position of the nut when rotating can be stabilized.

Preferably, all seted up the spacing groove on the both sides inner wall of support body, the shifting chute has all been seted up to the both sides of shifting chute, and equal slidable mounting has the gag lever post in two shifting chutes, gag lever post and the spacing groove looks adaptation that corresponds, the spacing groove that the gag lever post roll-off corresponds, can cancel the fixed restriction of shifting chute.

Preferably, the threaded groove has all been seted up to the one end that two gag lever posts are close to each other, has seted up same connecting hole on the one side inner wall that two shifting chutes are close to each other, and fixed mounting has two connecting blocks in the connecting hole, and the rotation hole has all been seted up to the one end of two connecting blocks, and the lead screw drives the gag lever post that corresponds and inserts the spacing inslot that corresponds, can fix the position of removal frame.

Preferably, the screw rods are installed in the two rotating holes in a rotating mode, one end of each screw rod is installed in the corresponding thread groove in a threaded mode, the first bevel gears are fixedly installed at the ends, close to each other, of the two screw rods, the control holes are formed in the inner wall of the bottom of the connecting hole, the second bevel gears drive the two first bevel gears to rotate, and the first bevel gears drive the corresponding screw rods to rotate.

Preferably, the control hole is internally and rotatably provided with a control rod, the top end of the control rod is fixedly provided with a second bevel gear, the two first bevel gears are meshed with the second bevel gear, the bottom end of the control rod is welded with an adjusting block, the adjusting block is rotatably arranged at the bottom of the movable frame, the adjusting block drives the control rod to rotate, and the control rod drives the second bevel gear to rotate.

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

(1) According to the scheme, the cryopreservation pipe is placed in the fixing hole, the nut is rotated, the nut drives the screw to move, the cryopreservation pipe is clamped and fixed by the clamping arm and the fixing arm, the cryopreservation pipes with different sizes can be clamped and fixed by the moving position of the clamping arm, when the frame body shakes, the fixing rod passively slides in the mounting hole, the shaking of the placing frame can be buffered by the elastic action of the spring, the cryopreservation pipe can be prevented from being damaged by collision, the adjusting block is rotated, the control rod drives the second bevel gear to rotate, and the first bevel gear drives the corresponding screw rod to rotate;

(2) According to the scheme, the lead screw drives the corresponding limiting rods to move, so that the fixed limit of the movable frame can be cancelled, the movable frame is moved, the distance among the plurality of movable frames can be adjusted, the adjusting block is rotated reversely, the lead screw drives the corresponding limiting rods to be inserted into the corresponding limiting grooves, so that the positions of the movable frames can be fixed, the freezing tubes can be conveniently extracted and stored, the freezing tubes can be adapted to different types of freezing tubes, the heat insulation performance of the freezing frames can be improved by the heat insulation board, the frame body and the plurality of movable frames have strong adsorption capacity on liquid nitrogen, the low-temperature retention time is greatly prolonged, and the safety is improved;

the freezing rack is reasonable in structure and convenient to operate, the structure of the freezing rack is flexible and convenient to adjust, the use position of the movable rack is convenient to adjust, the freezing rack can be matched with freezing pipes of different models, the freezing rack is convenient to extract and store, the heat preservation performance is good, and taking and placing of samples off a liquid nitrogen container are safer.

Drawings

Fig. 1 is a schematic view of a front view structure according to the present invention;

FIG. 2 is a schematic view of part A of the structure proposed by the present invention;

FIG. 3 is a schematic structural diagram of part B according to the present invention;

FIG. 4 is a schematic view of a portion C according to the present invention;

fig. 5 is a schematic structural diagram of the fixing seat, the cryopreservation tube, the fixing arm and the clamping arm provided by the invention.

In the figure: 1. a frame body; 2. a cover plate; 3. a handle; 4. a thermal insulation board; 5. a movable frame; 6. fixing grooves; 7. placing a rack; 8. a fixed seat; 9. a fixing hole; 10. freezing and storing the tube; 11. a fixed arm; 12. a clamp arm; 13. a screw; 14. a nut; 15. a fixing rod; 16. a spring; 17. a limiting groove; 18. a limiting rod; 19. connecting holes; 20. a screw rod; 21. connecting blocks; 22. a first bevel gear; 23. an adjusting block; 24. a second bevel gear; 25. and (6) a groove.

Detailed Description

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

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this patent does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Referring to fig. 1-5, a square cryopreservation rack for a liquid nitrogen biological container comprises a rack body 1, a cover plate 2 is rotatably installed on one side of the rack body 1, a handle 3 is fixedly installed on the top of the rack body 1, a heat insulation plate 4 is fixedly connected to the outer side of the rack body 1, a plurality of moving racks 5 are arranged in the rack body 1, a plurality of fixing grooves 6 are formed in the tops of the moving racks 5, a placing rack 7 is slidably installed in each fixing groove 6, a mounting hole is formed in one side of each placing rack 7, fixing rods 15 are fixedly installed in each mounting hole, two ends of each fixing rod 15 are respectively welded on the inner walls of the two sides of each fixing groove 6, a spring 16 is sleeved on each fixing rod 15, and a fixing seat 8 is fixedly installed on one side of each placing rack 7, fixed orifices 9 have all been seted up at the top of a plurality of fixing bases 8, equal movable mounting has freezes deposits pipe 10 in a plurality of fixed orifices 9, equal fixed mounting has fixed arm 11 on one side inner wall of a plurality of fixed orifices 9, fixed arm 11 contacts with the freezing pipe 10 that deposits that corresponds, recess 25 has all been seted up on one side inner wall of a plurality of fixed orifices 9, equal slidable mounting has centre gripping arm 12 in a plurality of recess 25, centre gripping arm 12 contacts with the freezing pipe 10 that deposits that corresponds, the slide opening has all been seted up on one side inner wall of a plurality of recesses 25, equal slidable mounting has screw rod 13 in a plurality of slide openings, the one end welding of screw rod 13 is on the centre gripping arm 12 that corresponds, equal threaded mounting has nut 14 on a plurality of screw rods 13, nut 14 rotates the one side of installing at the fixing base 8 that corresponds.

In this embodiment, all seted up the spout on the both sides inner wall of recess 25, the equal fixed mounting in both sides of centre gripping arm 12 has the slider, and slider slidable mounting drives the slider and slides in the spout when centre gripping arm 12 removes in the spout that corresponds, can stabilize the position when centre gripping arm 12 removes.

In this embodiment, all pack in support body 1 and a plurality of removal frame 5 and have glass fiber class capillary material, support body 1 and a plurality of removal frame 5 have very strong adsorption efficiency to the liquid nitrogen, and the square freezing frame of storage process adsorbs a large amount of liquid nitrogen in the liquid nitrogen container, and this filler material thermal conductivity is extremely low simultaneously.

In this embodiment, an annular groove is opened at one side of fixing base 8, and one side fixed mounting of nut 14 has the movable block, and the movable block is connected with the lateral wall sliding of annular groove, and nut 14 drives the movable block and slides in the annular groove when rotating, can stabilize the position when nut 14 rotates.

In this embodiment, all seted up spacing groove 17 on the both sides inner wall of support body 1, the shifting chute has all been seted up to the both sides of carriage release 5, and equal slidable mounting has gag lever post 18 in two shifting chutes, gag lever post 18 and the spacing groove 17 looks adaptation that corresponds, and the spacing groove 17 that the gag lever post 18 roll-off corresponds can cancel the fixed restriction of carriage release 5.

In this embodiment, the thread groove has all been seted up to the one end that two gag lever posts 18 are close to each other, has seted up same connecting hole 19 on the one side inner wall that two shifting chutes are close to each other, and fixed mounting has two connecting blocks 21 in the connecting hole 19, and the rotation hole has all been seted up to the one end of two connecting blocks 21, and lead screw 20 drives the gag lever post 18 that corresponds and inserts the spacing groove 17 that corresponds in, can fix the position of removal frame 5.

In this embodiment, the two rotating holes are internally and rotatably provided with the screw rod 20, one end of the screw rod 20 is installed in the corresponding thread groove in a threaded manner, the two ends of the screw rod 20 close to each other are fixedly provided with the first bevel gears 22, the inner wall of the bottom of the connecting hole 19 is provided with the control hole, the second bevel gear 24 drives the two first bevel gears 22 to rotate, and the first bevel gears 22 drive the corresponding screw rods 20 to rotate.

In this embodiment, a control rod is rotatably installed in the control hole, a second bevel gear 24 is fixedly installed at the top end of the control rod, the two first bevel gears 22 are meshed with the second bevel gear 24, an adjusting block 23 is welded at the bottom end of the control rod, the adjusting block 23 is rotatably installed at the bottom of the movable frame 5, the adjusting block 23 drives the control rod to rotate, and the control rod drives the second bevel gear 24 to rotate.

In the embodiment, the worker checks each part and can use the pipe after the pipe is ensured to be correct, the cryopreservation pipe 10 is placed into the fixing hole 9, the nut 14 is rotated, the nut 14 drives the screw 13 to move, the screw 13 drives the clamping arm 12 to move, the clamping arm 12 and the fixing arm 11 clamp and fix the cryopreservation pipe 10, the moving position of the clamping arm 12 can clamp and fix the cryopreservation pipes 10 with different sizes, when the frame body 1 shakes, the placing frame 7 slides in the fixing groove 6, the fixing rod 15 passively slides in the mounting hole, the placing frame 7 extrudes the spring 16, the elastic action of the spring 16 can buffer the shaking of the placing frame 7, the cryopreservation pipe 10 can be prevented from being damaged due to collision, the adjusting block 23 is rotated, the adjusting block 23 drives the control rod to rotate, the control rod drives the second bevel gear 24 to rotate, the second bevel gear 24 drives the two first bevel gears 22 to rotate, the first bevel gear 22 drives the corresponding screw rod 20 to rotate, the screw rod 20 drives the corresponding limiting rod 18 to move, the limiting rod 18 slides out of the corresponding limiting groove 17, so that the fixed limit of the movable frame 5 can be canceled, the movable frame 5 can be moved, the movable frame 5 slides in the frame body 1, the distances among the plurality of movable frames 5 can be adjusted, the adjusting block 23 rotates reversely, the adjusting block 23 drives the screw rod 20 to rotate reversely, the screw rod 20 drives the corresponding limiting rod 18 to insert into the corresponding limiting groove 17, so that the position of the movable frame 5 can be fixed, the freezing storage pipe 10 can be conveniently extracted and stored, the storage requirements of various specifications can be adjusted, the freezing storage pipe 10 can be adapted to different types, the heat insulation performance of the freezing storage frame can be improved by the heat insulation plate 4, the frame body 1 and the plurality of movable frames 5 have strong adsorption capacity on liquid nitrogen, the square freezing storage frame adsorbs a large amount of liquid nitrogen in a liquid nitrogen tank during storage, and meanwhile, the heat conductivity of the filling material is extremely low, the device has the advantages that the structure is reasonable, the operation is convenient, the structure of the freezing frame is flexible and convenient to adjust, the use position of the movable frame 5 is convenient to adjust, the device can be matched with freezing tubes 10 of different types, the extraction and storage are convenient, the heat preservation performance is good, and the sample taking and placing are safer when the device leaves a liquid nitrogen container.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, the specific connection mode of each part adopts the conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so the detailed description is omitted.

Claims

1. The utility model provides a liquid nitrogen biological container is with square freezing frame of depositing, includes support body (1), its characterized in that, one side of support body (1) is rotated and is installed apron (2), the top fixed mounting of support body (1) has handle (3), the outside fixedly connected with heated board (4) of support body (1), be equipped with a plurality of removal frame (5) in support body (1), a plurality of fixed slots (6) have been seted up at the top of removal frame (5), equal slidable mounting has rack (7) in a plurality of fixed slots (6), one side of a plurality of rack (7) has all seted up the mounting hole, equal fixed mounting has dead lever (15) in a plurality of mounting holes, the both ends of dead lever (15) weld respectively on the both sides inner wall of fixed slot (6), all overlap on a plurality of dead lever (15) and be equipped with spring (16), equal fixed mounting has fixing base (8) in one side of a plurality of rack (7), the top of a plurality of fixing base (8) has all seted up fixed orifices (9), all movable mounting has the tube (10) in a plurality of fixed orifices (9), all fixed arms (11) have the movable mounting hole (11) and have all seted up the groove (25) and have the fixed arm (25), the freezing storage device is characterized in that the clamping arm (12) is in contact with the corresponding freezing storage tube (10), sliding holes are formed in the inner wall of one side of each of the grooves (25), screw rods (13) are slidably mounted in the sliding holes, one ends of the screw rods (13) are welded to the corresponding clamping arm (12), nuts (14) are threadedly mounted on the screw rods (13), the nuts (14) are rotatably mounted on one sides of the corresponding fixing seats (8), limiting grooves (17) are formed in the inner walls of the two sides of the frame body (1), moving grooves are formed in the two sides of the moving frame (5), limiting rods (18) are slidably mounted in the two moving grooves, the limiting rods (18) are matched with the corresponding limiting grooves (17), threaded grooves are formed in the mutually close ends of the two limiting rods (18), a same connecting hole (19) is formed in the inner wall of one side of the mutually close to the two moving grooves, two connecting blocks (21) are fixedly mounted in the connecting hole (19), rotating holes are formed in one end of the two connecting blocks (21), a screw rod (20) is rotatably mounted in the two rotating holes, a threaded hole is formed in the inner wall of one end of the screw rod (20), two control rods (22) are mounted in the inner wall of the corresponding fixing groove (20), a second bevel gear control rod (24) is mounted at the top end of the other control hole (24) close to the bevel gear control hole, two first bevel gears (22) all mesh with second bevel gear (24), and the welding of the bottom of control lever has regulating block (23), and regulating block (23) rotate to be installed in the bottom of removal frame (5).

2. The square cryopreservation frame for the liquid nitrogen biological container according to claim 1, wherein sliding grooves are formed in the inner walls of two sides of the groove (25), sliding blocks are fixedly mounted on two sides of the clamping arm (12), and the sliding blocks are slidably mounted in the corresponding sliding grooves.

3. The square cryopreservation frame for the liquid nitrogen biological container as claimed in claim 1, wherein the frame body (1) and the plurality of movable frames (5) are filled with glass fiber capillary materials.

4. The square cryopreservation frame for the liquid nitrogen biological container as claimed in claim 1, wherein an annular groove is formed in one side of the fixed seat (8), a moving block is fixedly mounted on one side of the nut (14), and the moving block is slidably connected with the side wall of the annular groove.