CN210913420U

CN210913420U - Liquid nitrogen container

Info

Publication number: CN210913420U
Application number: CN201921899994.XU
Authority: CN
Inventors: 湛楚沂
Original assignee: Huilin Biotechnology Beijing Co ltd
Current assignee: Huilin Biotechnology Beijing Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-03
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to a liquid nitrogen container, which comprises a tank body and a tank cover, the connection can be dismantled to jar body and cover, the internal vertical axis of rotation that is provided with of jar, the axis of rotation lower extreme rotates with the internal diapire of jar to be connected, the axis of rotation evenly is provided with the polylith baffle around its axis, the polylith baffle is cut apart into jar internal portion and is had a plurality of regions of depositing that freeze, a plurality of regions of depositing that freeze are provided with the hand-basket respectively, the vertical setting of hand-basket, the outside of hand-basket upper end is rotated and is connected with adjustable fender, it is connected with flexible subassembly to rotate between adjustable fender's the lower extreme and the outside of hand-basket lower extreme, adjustable fender is provided with a plurality of case that. It has the effect that can make the internal space of basket make full use of jar.

Description

Liquid nitrogen container

Technical Field

The utility model belongs to the technical field of the technique of cell cryopreserving and specifically relates to a liquid nitrogen container is related to.

Background

In the existing work of cell cryopreservation and recovery, a liquid nitrogen tank with a low-temperature freezing function is often used for realizing long-term preservation of biological tissue specimens.

When the cryopreservation device is used, the cryopreservation tube filled with the cell specimen is generally placed in a liquid nitrogen container basket, and then the liquid nitrogen container basket is placed in a liquid nitrogen container for long-term low-temperature storage.

However, the existing liquid nitrogen container lifting basket is unreasonable in structural design, can only contain a small number of freezing tubes at one time, and when the liquid nitrogen container lifting basket is placed in a liquid nitrogen container, a large amount of space in the container is wasted due to the fact that the liquid nitrogen container lifting basket is not matched with a container body structure, so that the utilization rate of the liquid nitrogen container is reduced, and the freezing cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a liquid nitrogen container, it has the effect that can make the internal space of hand-basket make full use of jar.

The utility model discloses a can realize through following technical scheme:

the utility model provides a liquid nitrogen tank, includes a jar body and cover, the connection can be dismantled to jar body and cover, the internal vertical axis of rotation that is provided with of jar, the axis of rotation lower extreme rotates with the internal diapire of jar to be connected, the axis of rotation evenly is provided with the polylith baffle around its axis, the polylith the baffle is cut apart into jar internal portion and is had a plurality of cryopreserved areas, and is a plurality of cryopreserved area is provided with the hand-basket respectively, the vertical setting of hand-basket, the outside of hand-basket upper end is rotated and is connected with adjustable fender, it is connected with flexible subassembly to rotate between adjustable fender's the lower extreme and the outside of hand-basket lower extreme, adjustable fender is provided with a plurality of case that are used for depositing the cryopreserved pipe, the top of hand-basket is.

Through adopting above-mentioned technical scheme, the cryopreserved pipe that will be equipped with the sample is placed in adjustable fender's case, control runner assembly, make adjustable fender contract, adjustable fender's lower extreme removes towards the direction that is close to the hand-basket, therefore, can make whole hand-basket from the opening part of the jar body put into jar internally, after putting into, again through runner assembly, make adjustable fender's lower extreme remove towards the direction of keeping away from the hand-basket, make adjustable fender expand, therefore, can make the hand-basket obtain abundant utilization space at jar internal.

The utility model discloses further set up to: the rotating assembly comprises a threaded rod arranged on the basket, a pressing plate arranged on the threaded rod and a hinged rod arranged between the pressing plate and the top of the movable baffle plate, wherein a threaded hole is formed in the pressing plate, the threaded rod is vertically arranged, the lower end of the threaded rod penetrates through the threaded hole of the pressing plate and then is rotatably connected with the top of the basket, the threaded rod is in threaded connection with the pressing plate, one end of the hinged rod is hinged to the lower surface of the pressing plate, and the other end of the hinged rod is hinged to the top of the movable baffle.

Through adopting above-mentioned technical scheme, rotate the threaded rod, threaded rod and clamp plate threaded connection, the threaded rod makes the clamp plate go up and down, and the clamp plate is when going up and down, and the hinge bar rotates between clamp plate and adjustable fender, and indirect area adjustable fender that takes rotates through the rotation of hinge bar rotates, from this through the rotation of rotating the convenient rotation of controlling adjustable fender of threaded rod.

The utility model discloses further set up to: the telescopic assembly comprises a sleeve arranged on the movable baffle, a loop bar arranged on the basket and a compression elastic piece arranged on the loop bar, one end of the sleeve is hinged to one side of the movable baffle, which faces the basket, of the movable baffle, the loop bar is sleeved at the other end of the sleeve, and one end of the loop bar, which is located outside the sleeve, is hinged to one side of the basket, which faces the movable baffle.

Through adopting above-mentioned technical scheme, adjustable fender's lower extreme is when keeping away from or being close to the hand-basket, and the sleeve pipe carries out reciprocating slip on the loop bar to the sleeve pipe compresses compression elastic component when gliding, and through the articulated of sleeve pipe and loop bar, can control adjustable fender's expansion degree.

The utility model discloses further set up to: an arc-shaped plate is arranged between every two adjacent partition plates, and the outer curved surface of each arc-shaped plate is attached to the inner side wall of the tank body.

Through adopting above-mentioned technical scheme, the outer curved surface of arc and the laminating of the inside wall of the jar body, when the axis of rotation area took the baffle to rotate, the arc of baffle was slided pasting a jar body inside wall, is favorable to the slip of arc.

The utility model discloses further set up to: and a hand wheel is arranged at the top end of the threaded rod.

Through adopting above-mentioned technical scheme, the setting up of hand wheel is convenient to rotate the threaded rod.

The utility model discloses further set up to: the compression elastic piece is a compression spring.

Through adopting above-mentioned technical scheme, compression spring simple to operate, elasticity are strong.

The utility model discloses further set up to: the movable baffle is arranged into four blocks, and the four movable baffles are respectively positioned on four side edges of the lifting basket.

Through adopting above-mentioned technical scheme, four adjustable fender's setting has increased the quantity that can deposit the cryopreserved pipe, has improved the utilization ratio of liquid nitrogen container.

The utility model discloses further set up to: the movable baffle is corresponding to the hinged rods, and the hinged rods are all located on the lower surface of the pressing plate.

Through adopting above-mentioned technical scheme, through the lift of control clamp plate, can control the rotation of four hinge bars simultaneously, reduce the quantity of clamp plate, the operation of being convenient for simultaneously.

To sum up, the utility model discloses a beneficial technological effect does:

1. placing the cryopreservation tube filled with the sample in a storage box of a movable baffle, controlling a rotating assembly to enable the movable baffle to contract, and enabling the lower end of the movable baffle to move towards the direction close to the basket, so that the whole basket can be placed into the tank body from the opening of the tank body, and after the basket is placed, enabling the lower end of the movable baffle to move towards the direction far away from the basket through the rotating assembly again to enable the movable baffle to expand, so that the basket can be fully utilized in the tank body;

2. the outer curved surface of the arc-shaped plate is attached to the inner side wall of the tank body, and when the rotating shaft drives the partition plate to rotate, the arc-shaped plate of the partition plate slides along the inner side wall of the tank body, so that the arc-shaped plate can slide conveniently;

3. through the lift of control clamp plate, can control the rotation of four hinge bars simultaneously, reduce the quantity of clamp plate, the operation of being convenient for simultaneously.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is an exploded schematic view of an embodiment of the present invention;

fig. 3 is a schematic structural view of a basket according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 3;

fig. 6 is an enlarged view of a portion C in fig. 3.

In the figure, 1, a tank body; 11. an opening; 2. a can lid; 3. a rotating shaft; 31. a partition plate; 311. an arc-shaped plate; 4. lifting a basket; 41. erecting a rod; 42. an upper plate; 421. fixing the disc; 422. a rotating shaft; 43. a lower plate; 5. a support plate; 51. flanging; 511. connecting blocks; 5111. a fixed shaft; 6. a movable baffle; 61. a support; 611. a second hinge shaft; 62. a storage box; 63. mounting blocks; 631. a connecting shaft; 71. a sleeve; 72. a loop bar; 73. a compression spring; 81. a threaded rod; 811. a hand wheel; 82. pressing a plate; 821. a vertical plate; 8211. a first hinge shaft; 83. a hinged lever.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the liquid nitrogen tank disclosed by the present invention, including a tank body 1 and a tank cover 2, an opening 11 has been opened at the top of the tank body 1, the opening 11 is located at the eccentric position of the top of the tank body 1, the tank cover 2 is adapted to the opening 11 of the tank body 1, and the tank cover 2 is sleeved on the opening 11 of the tank body 1 and is detachably connected to the tank body 1.

The vertical axis of rotation 3 that is provided with of central point department in the jar body 1, the upper and lower both ends of axis of rotation 3 are connected with roof, the diapire rotation in the jar body 1 respectively, and axis of rotation 3 rotates around its self axis. The periphery wall of axis of rotation 3 has four baffles 31 around its axis circumference even welding, and baffle 31 is the rectangle, and the vertical setting of baffle 31, the length direction of baffle 31 is parallel with the axis direction of axis of rotation 3, and one side of baffle 31 and the periphery wall welding of axis of rotation 3. Be provided with arc 311 between two adjacent baffles 31, the outer curved surface of arc 311 is laminated mutually with the inboard wall of jar body 1, and the both ends of arc 311 are kept away from its one end welding of being connected with axis of rotation 3 with two adjacent baffles 31 respectively.

Referring to fig. 2 and 3, the four partition plates 31 divide the interior of the tank body 1 into four freezing areas, wherein the four freezing areas are respectively provided with a lifting basket 4, the lifting basket 4 comprises upright rods 41, an upper plate 42 and a lower plate 43, the number of the upright rods 41 is four, the four upright rods 41 are arranged in a square shape, the lower surface of the upper plate 42 is welded with the upper ends of the four upright rods 41, the upper surface of the lower plate 43 is welded with the lower ends of the four upright rods 41, and the upper plate 42 and the lower plate 43 are parallel and opposite to each other.

Be provided with polylith backup pad 5 between upper plate 42 and the hypoplastron 43, polylith backup pad 5 is arranged along the length direction interval of pole setting 41, and four end angles of backup pad 5 weld with four pole setting 41's side respectively, and the welding has turn-ups 51 around backup pad 5 respectively, and turn-ups 51 is vertical upwards to be set up.

Four sides of upper plate 42 are provided with adjustable fender 6 respectively, and adjustable fender 6 rotates through pivot 422 and upper plate 42 to be connected, and adjustable fender 6 uses pivot 422 to rotate to the direction of keeping away from or being close to basket 4 as the pin joint.

Referring to fig. 3 and 4, a telescopic assembly is rotatably connected between the lower end of the movable baffle 6 and the outer side of the lower end of the basket 4, the telescopic assembly comprises a sleeve 71, a loop bar 72 and a compression spring 73, the sleeve 71 is a hollow circular tube structure, the sleeve 71 is horizontally arranged, two parallel and oppositely arranged mounting blocks 63 are welded on one side of the movable baffle 6 facing the basket 4, one end of the sleeve 71 is located between the two mounting blocks 63, the sleeve 71 is rotatably connected with the mounting blocks 63 through a connecting shaft 631, and the axis of the connecting shaft 631 is parallel to the axis of the rotating shaft 422. The inner diameter of the sleeve 71 is matched with the outer diameter of the sleeve rod 72, the other end of the sleeve 71 is sleeved on the sleeve rod 72, and the sleeve rod 72 slides in a reciprocating mode along the axis of the sleeve 71. One side of the flanging 51 facing the movable baffle 6 is welded with two connecting blocks 511, the two connecting blocks 511 are parallel and opposite to each other, one end of the sleeve rod 72, which is positioned outside the sleeve 71, is positioned between the two connecting blocks 511, and the sleeve rod 72 is rotatably connected with the two connecting blocks 511 through a fixed shaft 5111.

The compression spring 73 is sleeved on the loop bar 72, the compression direction of the compression spring 73 is consistent with the axial direction of the loop bar 72, one end of the compression spring 73 is abutted with one end of the sleeve 71 far away from the movable baffle 6, and the other end of the compression spring 73 is abutted with one side of the two connecting blocks 511 facing the movable baffle 6.

Referring to fig. 3, fig. 5, the top of basket 4 is provided with and is used for making four adjustable fender 6 carry out pivoted rotating assembly in step, rotating assembly includes threaded rod 81, clamp plate 82 and hinge bar 83, the welding of upper surface central point department of putting of upper plate 42 has fixed disc 421, the rotation hole has been seted up to fixed disc 421, clamp plate 82 and upper plate 42 interval and parallel arrangement, clamp plate 82 has seted up threaded hole, the vertical setting of threaded rod 81, the screw hole of clamp plate 82 is worn to locate by the lower extreme of threaded rod 81, rotate with fixed disc 421 behind the rotation hole of fixed disc 421 and be connected, threaded rod 81 and clamp plate 82 threaded connection, the upper end fixedly connected with hand wheel 811 of threaded rod 81.

Articulated pole 83 sets up to four, and four articulated poles 83 are corresponding with four adjustable fender 6, and articulated pole 83 is located between upper plate 42 and the clamp plate 82, and the lower surface welding of clamp plate 82 has riser 821, and riser 821 is two, and two riser 821 intervals set up, and the upper end of articulated pole 83 is located between two riser 821, and articulated pole 83 rotates with riser 821 through first articulated shaft 8211 to be connected, and first articulated shaft 8211 level sets up. Two supports 61 are welded at the top end of the movable baffle 6, the lower end of the hinge rod 83 is located between the two supports 61, the hinge rod 83 is rotatably connected with the supports 61 through a second hinge shaft 611, and the axis of the second hinge shaft 611 is parallel to the axis of the first hinge shaft 8211 and the axis of the rotating shaft 422.

Referring to fig. 3 and 6, a plurality of storage boxes 62 are welded on one side of the movable baffle 6 facing the basket 4, the storage boxes 62 are arranged at intervals along the length direction of the movable baffle 6, and the upper ends of the storage boxes 62 are provided with openings and are in a U-shaped arrangement.

The implementation principle of the embodiment is as follows: the cryopreservation tube filled with the sample is placed in the storage box 62, the hand wheel 811 is rotated, the hand wheel 811 drives the threaded rod 81 to rotate, the threaded rod 81 rotates and simultaneously performs threaded transmission with the pressing plate 82, the pressing plate 82 moves towards the top far away from the basket 4, when the pressing plate 82 moves, the whole hinge rod 83 is folded towards the direction close to the threaded rod 81, the hinge rod 83 presses the movable baffle 6 to move towards the direction close to the basket 4 while being folded, the sleeve 71 slides on the sleeve rod 72 and extrudes the compression spring 73 while the movable baffle 6 moves, and when the movable baffle 6 moves to the position that the whole basket 4 can be placed in the opening 11 of the tank body 1;

at the moment, the hand wheel 811 stops rotating, the whole lifting basket 4 is placed into the freezing area in the tank body 1 through the opening 11 of the tank body 1, at the moment, the hand wheel 811 is rotated again, the hand wheel 811 drives the threaded rod 81 to rotate, the threaded rod 81 rotates and simultaneously carries out threaded transmission with the pressure plate 82, the pressure plate 82 moves towards the top of the lifting basket 4, when the pressure plate 82 moves, the lower end of the hinged rod 83 expands towards the direction far away from the threaded rod 81, the hinged rod 83 drives the lower end of the movable baffle 6 to move towards the direction far away from the basket 4 while expanding, the movable baffle 6 rotates by taking the upper end of the movable baffle 6 as a hinged point, the movable baffle 6 compresses the spring 73 to reset while rotating, the sleeve 71 slides on the sleeve rod 72, when the sleeve 71 slides to the maximum distance, the hand wheel 811 stops rotating, and the movable baffle 6 is always in the expanded state under the action of the compression spring 73.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a liquid nitrogen container, includes jar body (1) and cover (2), jar body (1) and cover (2) can dismantle the connection, its characterized in that: a rotating shaft (3) is vertically arranged in the tank body (1), the lower end of the rotating shaft (3) is rotatably connected with the bottom wall in the tank body (1), the rotating shaft (3) is uniformly provided with a plurality of clapboards (31) around the axis, the inner part of the tank body (1) is divided into a plurality of freezing areas by the clapboards (31), the freezing areas are respectively provided with a lifting basket (4), the lifting basket (4) is vertically arranged, the outer side of the upper end of the lifting basket (4) is rotatably connected with a movable baffle (6), a telescopic component is rotatably connected between the lower end of the movable baffle (6) and the outer side of the lower end of the lifting basket (4), the movable baffle (6) is provided with a plurality of storage boxes (62) for storing the freezing storage tubes, the top of the basket (4) is provided with a rotating assembly for enabling the lower end of the movable baffle (6) to be close to or far away from the basket (4).

2. The liquid nitrogen tank according to claim 1, characterized in that: the rotating assembly comprises a threaded rod (81) arranged on the basket (4), a pressing plate (82) arranged on the threaded rod (81) and a hinged rod (83) arranged between the pressing plate (82) and the top of the movable baffle plate (6), the pressing plate (82) is provided with a threaded hole, the threaded rod (81) is vertically arranged, the lower end of the threaded rod (81) penetrates through the threaded hole of the pressing plate (82) and then is connected with the top of the basket (4) in a rotating mode, the threaded rod (81) is connected with the pressing plate (82) in a threaded mode, one end of the hinged rod (83) is hinged to the lower surface of the pressing plate (82), and the other end of the hinged rod is hinged to the top of the movable baffle.

3. The liquid nitrogen tank according to claim 1, characterized in that: the telescopic assembly comprises a sleeve (71) arranged on the movable baffle (6), a loop bar (72) arranged on the basket (4) and a compression elastic part arranged on the loop bar (72), one end of the sleeve (71) is hinged to one side, facing the basket (4), of the movable baffle (6), the loop bar (72) is sleeved with the other end of the sleeve (71), and one end, located outside the sleeve (71), of the loop bar (72) is hinged to one side, facing the movable baffle (6), of the basket (4).

4. The liquid nitrogen tank according to claim 1, characterized in that: two adjacent baffle (31) between be provided with arc (311), the outer curved surface of arc (311) is laminated with the inside wall of jar body (1) mutually.

5. The liquid nitrogen tank according to claim 2, characterized in that: the top of threaded rod (81) is provided with hand wheel (811).

6. A liquid nitrogen tank according to claim 3, wherein: the compression elastic member is a compression spring (73).

7. The liquid nitrogen tank according to claim 2, characterized in that: the movable baffle plates (6) are arranged into four blocks, and the four movable baffle plates (6) are respectively positioned on four side edges of the lifting basket (4).

8. The liquid nitrogen tank according to claim 7, wherein: the movable baffle (6) corresponds to the hinged rods (83), and the hinged rods (83) are all located on the lower surface of the pressing plate (82).