Portable liquid nitrogen tank

Abstract

The utility model discloses a portable liquid nitrogen tank which comprises a round base, a base is arranged in the round base, an outer tank body is arranged at the center of the top end of the base, an inner tank body is arranged in the outer tank body, a supporting seat is arranged at the center of the bottom end of the inner tank body, and the bottom end of the supporting seat is fixedly connected with the bottom of the outer tank body. The outer wall of the outer tank body is filled with aerogel, the outer wall of the aerogel is connected with the inner wall of the outer tank body, a tank cover is installed at the top end of the outer tank body, a first magnetic attraction block is arranged at the edge position of the bottom end of the tank cover, a second magnetic attraction block is arranged on the outer wall of the upper end of the inner tank body, and the top end of the second magnetic attraction block is attracted to the bottom end of the first magnetic attraction block. According to the liquid nitrogen container, the long-time heat preservation function of the liquid nitrogen container is achieved, it is guaranteed that liquid nitrogen stored in the inner container body is in a low-temperature state all the time, the convenience of the liquid nitrogen container in the using process is improved, the labor intensity of workers is reduced, and the purpose that the liquid nitrogen container is convenient to carry and transfer is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of low-temperature storage, in particular to a portable liquid nitrogen tank. Background Art

[0002] Liquid nitrogen is widely used in the long-term preservation of biological samples such as cells, tissues, vaccines, and the rapid freezing and preservation of food due to its extremely low temperature. Traditional liquid nitrogen tanks are bulky and heavy, making them inconvenient for long-distance transportation or outdoor operations. Therefore, it is particularly important to develop a portable liquid nitrogen tank.

[0003] A reference announcement number CN218819618U is an outdoor portable liquid nitrogen tank, which includes: a liquid nitrogen tank body and an upper cover module, the liquid nitrogen tank body is a canned structure, and a thermal insulation layer is arranged inside the liquid nitrogen tank body; the upper cover module is connected to the upper end bottle mouth of the liquid nitrogen tank body by a hinge, the upper cover module includes an upper cover body, a flexible shielding structure and an upper small cover, a mounting through hole penetrating up and down is arranged at the center of the upper cover body, the flexible shielding structure is arranged at the lower end of the mounting through hole, and the small upper cover is arranged at the upper end of the flexible shielding structure. The liquid nitrogen tank mainly reduces the volume of the liquid nitrogen tank and arranges a flexible baffle on the upper cover of the liquid nitrogen tank to prevent splashing, so that the operator can conveniently and flexibly store samples outdoors through the liquid nitrogen tank. According to the above, although the liquid nitrogen tank can be well applied, the thermal insulation performance of this type of liquid nitrogen tank is generally general, and it is difficult to ensure that the liquid nitrogen is in a low temperature state, which often troubles users. Utility Model Content

[0004] The utility model aims to provide a portable liquid nitrogen tank to solve the problem in the above background technology that although the liquid nitrogen tank can be well applied, the thermal insulation performance of such liquid nitrogen tank is generally average and it is difficult to ensure that the liquid nitrogen is in a low temperature state.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable liquid nitrogen tank, comprising a circular base, a base is arranged inside the circular base, an outer tank body is arranged at the center position of the top end of the base, an inner tank body is arranged inside the outer tank body, a support seat is arranged at the center position of the bottom end of the inner tank body, the bottom end of the support seat is fixedly connected to the bottom of the outer tank body, the outer wall of the outer tank body is filled with aerogel, the outer wall of the aerogel is connected to the inner wall of the outer tank body, a tank cover is installed on the top end of the outer tank body, a first magnetic block is arranged at the edge position of the bottom end of the tank cover, a second magnetic block is arranged on the outer wall of the upper end of the inner tank body, and the top end of the second magnetic block is adsorbed to the bottom end of the first magnetic block.

[0006] Preferably, a plurality of side seats are arranged on the outer wall of the circular base, and positioning frames are arranged inside the side seats, so that the component rack can be placed.

[0007] Preferably, one end of the positioning frame extends to the outside of the side seat body and is provided with a component rack, and a universal wheel is rotatably mounted on the bottom of the component rack, so that the liquid nitrogen tank can be pushed, carried and transported through the setting of the universal wheel.

[0008] Preferably, a first drain pipe is provided on an outer wall on one side of the lower end of the outer tank body, one end of the first drain pipe extends to the interior of the inner tank body, a drain valve is installed at the other end of the first drain pipe, and a second drain pipe is installed at an end of the drain valve away from the first drain pipe, so that the first drain pipe can be opened and closed by setting the drain valve.

[0009] Preferably, a second handle is installed at the center of the top of the tank cover, and arc plates are installed on both side outer walls of the top of the outer tank body, so that the second handle can be placed.

[0010] Preferably, a first handle is provided on the outer wall of the arc-shaped plate, and positioning pins are installed at the corner positions of the outer wall of the arc-shaped plate, one end of the positioning pin passes through the arc-shaped plate and is threadedly connected to the outer wall of the outer tank body, and one end of the positioning pin passes through the arc-shaped plate and is screwed into the outer wall of the outer tank body so that the arc-shaped plate can be bolted and placed on the outer wall of the outer tank body.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the portable liquid nitrogen tank not only realizes the long-term heat preservation function of the liquid nitrogen tank to ensure that the liquid nitrogen stored in the inner tank body is always in a low temperature state, but also improves the convenience of using the liquid nitrogen tank, and reduces the labor intensity of personnel, thereby achieving the purpose of facilitating the carrying and transportation of the liquid nitrogen tank;

[0012] The inner tank body is supported and placed inside the outer tank body through a support seat, and the outer tank body located outside the inner tank body is filled with aerogel to achieve a long-term heat preservation function of the liquid nitrogen tank, thereby ensuring that the liquid nitrogen stored inside the inner tank body is always in a low temperature state;

[0013] By arranging a first magnetic block at the bottom end of the tank cover and a second magnetic block at the outer wall of the upper end of the inner tank body, the tank cover can be quickly closed on the top of the outer tank body by simply pressing the tank cover downward so that the first magnetic block is adsorbed on the second magnetic block, and the tank cover can be quickly detached from the top of the outer tank body by pulling the second handle upward, so that liquid nitrogen can be easily injected and stored in the inner tank body, thereby improving the convenience of using the liquid nitrogen tank;

[0014] By arranging a plurality of side seats on the outer wall of the circular base, and installing universal wheels on the outer sides of the side seats through the positioning frame and the mounting frame, the liquid nitrogen tank can be pushed and transported. Compared with the traditional portable transport method, the labor intensity of personnel is reduced, so as to achieve the purpose of facilitating the carrying and transportation of the liquid nitrogen tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the front view appearance structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the utility model from top view.

[0019] In the figure: 1. round base; 2. side seat body; 3. positioning frame; 4. mounting frame; 5. universal wheel; 6. base; 7. outer tank body; 8. tank cover; 9. first handle; 10. second handle; 11. first drain pipe; 12. drain valve; 13. second drain pipe; 14. inner tank body; 15. aerogel; 16. support seat; 17. first magnetic block; 18. second magnetic block; 19. arc plate; 20. positioning pin. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides an embodiment: a portable liquid nitrogen tank, comprising a circular base 1, a plurality of side seats 2 are arranged on the outer wall of the circular base 1, and a positioning frame 3 is arranged inside each of the side seats 2;

[0022] When in use, the positioning frame 3 is arranged so as to place the component rack 4;

[0023] One end of the positioning frame 3 extends to the outside of the side seat body 2 and is provided with a component placement frame 4, and a universal wheel 5 is rotatably mounted on the bottom of the component placement frame 4;

[0024] When in use, the universal wheel 5 is provided so as to push and carry the liquid nitrogen tank for transportation;

[0025] A base 6 is arranged inside the circular base 1, an outer tank body 7 is arranged at the center position of the top of the base 6, a first drain pipe 11 is arranged on the outer wall of one side of the lower end of the outer tank body 7, one end of the first drain pipe 11 extends to the inside of the inner tank body 14, a drain valve 12 is installed at the other end of the first drain pipe 11, and a second drain pipe 13 is installed at the end of the drain valve 12 away from the first drain pipe 11;

[0026] When in use, the first liquid discharge pipe 11 is opened and closed by setting the liquid discharge valve 12;

[0027] An inner tank body 14 is arranged inside the outer tank body 7, a support seat 16 is arranged at the center of the bottom end of the inner tank body 14, the bottom end of the support seat 16 is fixedly connected to the bottom of the outer tank body 7, the outer wall of the outer tank body 7 is filled with aerogel 15, the outer wall of the aerogel 15 is connected to the inner wall of the outer tank body 7, a tank cover 8 is installed at the top end of the outer tank body 7, a second handle 10 is installed at the center of the top end of the tank cover 8, and arc plates 19 are installed on both sides of the outer wall of the top of the outer tank body 7;

[0028] When in use, the second handle 10 is arranged by the arrangement of the arc plate 19;

[0029] A first handle 9 is provided on the outer wall of the arc plate 19, and positioning pins 20 are installed at the corner positions of the outer wall of the arc plate 19. One end of the positioning pin 20 passes through the arc plate 19 and is threadedly connected to the outer wall of the outer tank body 7;

[0030] When in use, one end of the positioning pin 20 passes through the arc plate 19 and is screwed into the outer wall of the outer tank body 7, so that the arc plate 19 is bolted and placed on the outer wall of the outer tank body 7;

[0031] A first magnetic block 17 is arranged at the edge of the bottom end of the tank cover 8 , and a second magnetic block 18 is arranged on the outer wall of the upper end of the inner tank body 14 . The top end of the second magnetic block 18 is attracted to the bottom end of the first magnetic block 17 .

[0032] When the embodiment of the present application is in use, firstly, a plurality of side seats 2 are arranged on the outer wall of the circular base 1, and the outer side of the side seats 2 is installed with universal wheels 5 through the positioning frame 3 and the mounting frame 4, so that the liquid nitrogen tank can be pushed and transported, thereby effectively reducing the labor intensity of personnel and realizing the function of easy carrying and transportation of the liquid nitrogen tank. Then, two first handles 9 are arranged to facilitate the extraction and transfer of the liquid nitrogen tank. Then, a first magnetic block 17 is arranged at the bottom end of the tank cover 8, and a second magnetic block 18 is arranged on the outer wall of the upper end of the inner tank body 14. The tank cover 8 can be adsorbed by pressing the tank cover 8 downward so that the first magnetic block 17 is adsorbed on the second magnetic block 18. The quick cover is closed on the top of the outer tank body 7, and the second handle 10 is pulled upward to quickly detach the tank cover 8 from the top of the outer tank body 7, so that liquid nitrogen can be easily injected and stored in the inner tank body 14, and then the liquid nitrogen stored in the inner tank body 14 can be discharged from the second drain pipe 13 through the first drain pipe 11 by opening the drain valve 12. Finally, the inner tank body 14 is supported and placed in the outer tank body 7 by the support seat 16, and the outer tank body 7 located outside the inner tank body 14 is filled with aerogel 15 to achieve a long-term heat preservation function of the liquid nitrogen tank, thereby ensuring that the liquid nitrogen in the inner tank body 14 is in a low temperature state, so as to effectively extend the storage time of the liquid nitrogen, thereby completing the use of the liquid nitrogen tank.

Claims

1. A portable liquid nitrogen tank, characterized in that: The invention comprises a circular base (1), wherein a base (6) is arranged inside the circular base (1), an outer tank body (7) is arranged at the center position of the top end of the base (6), an inner tank body (14) is arranged inside the outer tank body (7), a support seat (16) is arranged at the center position of the bottom end of the inner tank body (14), the bottom end of the support seat (16) is fixedly connected to the bottom of the outer tank body (7), the outer wall of the outer tank body (7) is filled with aerogel (15), the outer wall of the aerogel (15) is connected to the inner wall of the outer tank body (7), a tank cover (8) is installed at the top end of the outer tank body (7), a first magnetic attraction block (17) is arranged at the edge position of the bottom end of the tank cover (8), and a second magnetic attraction block (18) is arranged on the outer wall of the upper end of the inner tank body (14), and the top end of the second magnetic attraction block (18) is adsorbed to the bottom end of the first magnetic attraction block (17).

2. A portable liquid nitrogen tank according to claim 1, characterized in that: A plurality of side seat bodies (2) are arranged on the outer wall of the circular base (1), and positioning frames (3) are arranged inside the side seat bodies (2).

3. A portable liquid nitrogen tank according to claim 2, characterized in that: One end of the positioning frame (3) extends to the outside of the side seat body (2) and is provided with a component placement frame (4), and a universal wheel (5) is rotatably mounted on the bottom of the component placement frame (4).

4. A portable liquid nitrogen tank according to claim 1, characterized in that: A first liquid discharge pipe (11) is provided on an outer wall of one side at the lower end of the outer tank body (7), one end of the first liquid discharge pipe (11) extends into the interior of the inner tank body (14), a liquid discharge valve (12) is installed at the other end of the first liquid discharge pipe (11), and a second liquid discharge pipe (13) is installed at one end of the liquid discharge valve (12) away from the first liquid discharge pipe (11).

5. A portable liquid nitrogen tank according to claim 1, characterized in that: A second handle (10) is installed at the center position of the top of the tank cover (8), and arc-shaped plates (19) are installed on both side outer walls of the top of the outer tank body (7).

6. A portable liquid nitrogen tank according to claim 5, characterized in that: A first handle (9) is provided on the outer wall of the arc-shaped plate (19), and positioning pins (20) are installed at the corner positions of the outer wall of the arc-shaped plate (19), one end of the positioning pin (20) passes through the arc-shaped plate (19) and is threadedly connected to the outer wall of the outer tank body (7).

Images