Liquid nitrogen tank convenient for storing and taking samples

Abstract

The utility model discloses a liquid nitrogen container convenient for storing and taking samples, which relates to the technical field of liquid nitrogen containers and comprises a container body and a container cover, a lifting component is arranged between the container body and the container cover, a rotating seat for placing a sample box is arranged at the lower end of the container body, a sampling port is arranged at the upper end of the container cover, and a sealing cover is arranged on one side of the sampling port. A sample storing and taking assembly is arranged on the other side of the sampling opening. Through mutual cooperation of the lifting assembly and the rotating seat arranged between the tank body and the tank cover, the sampling opening formed in the tank cover, the sealing cover and the sample storing and taking assembly, the problems that a cryopreservation box containing samples needs to be manually placed in the liquid nitrogen tank, efficiency is low, and the sample storing and taking effect is poor are solved. And in the storing and taking-out process, workers have the frostbite risk.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid nitrogen tank technical field, specifically a kind of liquid nitrogen tank of sample convenient to store. BACKGROUND

[0002] Liquid nitrogen tank is a kind of biological storage container, usually used to save active biological materials, such as livestock semen, active vaccine etc. Gas phase liquid nitrogen tank is a kind of equipment that realizes its value through the physical properties of liquid nitrogen. Liquid nitrogen is a kind of colorless and odorless substance with extremely low temperature, and its temperature is-196 ℃. The production of gas phase liquid nitrogen tank is to utilize the physical properties of liquid nitrogen. In the field of biological medicine, cell samples need to be cryopreserved. However, the current hospitals or research institutions etc. generally place the cryopreservation box containing samples into the liquid nitrogen tank manually, which not only has low efficiency, but also has the risk of frostbite to the staff during storage and taking out.

[0003] Therefore, the present application provides a kind of liquid nitrogen tank of sample convenient to store, which can eliminate the drawbacks of the existing device. SUMMARY

[0004] The utility model aims at providing a kind of liquid nitrogen tank of sample convenient to store to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of liquid nitrogen tank of sample convenient to store, including tank body and tank cover, lifting assembly is equipped between the tank body and tank cover, the rotating seat for placing sample box is equipped at the tank body lower end, the sampling port is equipped at the tank cover upper end, the sealing cover is equipped at the sampling port side, sample storage and access assembly is equipped at the other side of the sampling port.

[0007] On the basis of the above technical scheme, the utility model further provides the following optional technical scheme:

[0008] In an alternative scheme: the first mounting seat is equipped at the side of the tank body, and the installation groove is equipped at the bottom end of the tank body.

[0009] In an alternative scheme: the tank cover includes cover body and sealing ring, the cover body is arranged above the tank body, the sealing ring is fixed at the lower end of the cover body, the second mounting seat is arranged at the side of the cover body, the position of the second mounting seat corresponds to the first mounting seat, and the boss is arranged in the sampling port.

[0010] In an alternative scheme: the lifting assembly includes first telescopic rod, the fixed end of the first telescopic rod is fixed at the lower end of the second mounting seat, and the output end of the first telescopic rod is fixedly connected with the first mounting seat.

[0011] In an alternative: the rotating seat comprises a base plate, which is arranged in the tank body, and a connecting shaft arranged at the lower end of the base plate, which is rotationally connected with the tank body, and a motor arranged at the lower end of the connecting shaft, which is installed in a mounting groove.

[0012] In an alternative: the sealing cover comprises a cover plate arranged at the sampling port, a sealing rubber block arranged at one side of the cover plate, a connecting seat arranged at one end of the cover plate, and a hinge connection between one end of the connecting seat and the cover body, and a driving assembly arranged at one side of the connecting seat.

[0013] In an alternative: the driving assembly comprises a second telescopic rod, a first hinge seat arranged at the output end of the second telescopic rod, and a second hinge seat arranged at the fixed end of the second telescopic rod, and the first hinge seat is fixed on the connecting seat, and the second hinge seat is fixed on the cover body.

[0014] In an alternative: the sample access assembly comprises a sliding rail fixed on the cover body, a sliding column slidingly arranged on the sliding rail, a rotating shaft arranged at the upper end of the sliding column, a connecting plate arranged at the upper end of the rotating shaft, a hydraulic cylinder arranged at one end of the connecting plate, a movable rod arranged at the output end of the hydraulic cylinder, a suction disc arranged at the lower end of the movable rod, and a suction pump arranged on the connecting plate, and a connecting pipe arranged between the suction disc and the suction pump.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] The lifting assembly, the rotating seat, the sampling port, the sealing cover and the sample access assembly arranged on the tank cover are cooperated with each other, so that the problem that the frozen sample box with samples is manually placed into the liquid nitrogen tank, which is low in efficiency and causes the risk of frostbite to the workers during the storage and taking out process is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Fig. 1 is a structural schematic view of one side of the present application.

[0018] Figure 2 Fig. 2 is a structural schematic view of the other side of the present application.

[0019] Figure 3 Fig. 3 is a structural schematic view of the rotating seat in the present application.

[0020] 100, tank body; 101, first mounting seat; 102, mounting groove; 200, tank cover; 201, cover body; 202, sealing ring; 203, second mounting seat; 204, sampling port; 205, boss; 300, lifting assembly; 301, first telescopic rod; 400, rotating seat; 401, base plate; 402, connecting shaft; 403, motor; 500, sealing cover; 501, cover plate; 502, sealing rubber block; 503, connecting seat; 504, first hinged seat; 505, second telescopic rod; 506, second hinged seat; 600, sample access assembly; 601, sliding rail; 602, sliding column; 603, rotating shaft; 604, connecting plate; 605, hydraulic cylinder; 606, movable rod; 607, suction cup; 608, air suction pump; 609, connecting pipe; 700, sample box. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples.

[0022] In one embodiment, as shown in Figures 1-3 A liquid nitrogen tank facilitating sample access, comprising a tank body 100 and a tank cover 200, a lifting assembly 300 is arranged between the tank body 100 and the tank cover 200, a rotating seat 400 for placing a sample box 700 is arranged at the lower end of the tank body 100, a sampling port 204 is arranged at the upper end of the tank cover 200, a sealing cover 500 is arranged at one side of the sampling port 204, and a sample access assembly 600 is arranged at the other side of the sampling port 204, when sample access is needed, the sealing cover 500 is opened, the sample box 700 is taken out from the rotating seat 400 through the sample access assembly 600 from the sampling port 204, and then the sample is taken out or stored in the sample box 700.

[0023] In one embodiment, as shown in Figure 2 and Figure 3 A liquid nitrogen tank facilitating sample access, comprising a tank body 100 and a tank cover 200, a lifting assembly 300 is arranged between the tank body 100 and the tank cover 200, a rotating seat 400 for placing a sample box 700 is arranged at the lower end of the tank body 100, a sampling port 204 is arranged at the upper end of the tank cover 200, a sealing cover 500 is arranged at one side of the sampling port 204, and a sample access assembly 600 is arranged at the other side of the sampling port 204, when sample access is needed, the sealing cover 500 is opened, the sample box 700 is taken out from the rotating seat 400 through the sample access assembly 600 from the sampling port 204, and then the sample is taken out or stored in the sample box 700.

[0024] In one embodiment, as shown in Figure 1 and Figure 2As shown, the tank cover 200 includes a cover body 201 and a sealing ring 202, the cover body 201 is arranged above the tank body 100, the sealing ring 202 is fixed at the lower end of the cover body 201, the cover body 201 is provided with a second mounting seat 203 on one side, the second mounting seat 203 is located corresponding to the first mounting seat 101, a boss 205 is arranged in the sampling port 204, the sealing property of the tank cover 200 is ensured by the close fit between the sealing ring 202 and the tank body 100, and the boss 205 limits the sealing cover 500.

[0025] In one embodiment, as shown in Figure 3 The lifting assembly 300 includes a first telescopic rod 301, the fixed end of the first telescopic rod 301 is fixed at the lower end of the second mounting seat 203, and the output end of the first telescopic rod 301 is fixedly connected with the first mounting seat 101, in use, the opening and closing of the tank cover 200 is controlled by controlling the extension and contraction of the first telescopic rod 301.

[0026] In one embodiment, as shown in Figure 3 The rotating seat 400 includes a base plate 401, the base plate 401 is arranged in the tank body 100, the base plate 401 is provided with a connecting shaft 402 at the lower end, the connecting shaft 402 is rotatably connected with the tank body 100, the connecting shaft 402 is provided with a motor 403 at the lower end, and the motor 403 is installed in the mounting groove 102, in use, the base plate 401 is driven to rotate by the motor 403 driving the connecting shaft 402 to rotate.

[0027] In one embodiment, as shown in Figure 2 The sealing cover 500 includes a cover plate 501, the cover plate 501 is arranged at the sampling port 204, the cover plate 501 is provided with a sealing rubber block 502 on one side, the cover plate 501 is provided with a connecting seat 503 at one end, the connecting seat 503 is hingedly connected with the cover body 201 at one end, and the connecting seat 503 is provided with a driving assembly on one side, in use, the opening and closing of the sealing cover 500 is controlled by driving the cover plate 501 to rotate through the driving assembly.

[0028] In one embodiment, as shown in Figure 2 The driving assembly includes a second telescopic rod 505, the output end of the second telescopic rod 505 is provided with a first hinged seat 504, the fixed end of the second telescopic rod 505 is provided with a second hinged seat 506, the first hinged seat 504 is fixed on the connecting seat 503, and the second hinged seat 506 is fixed on the cover body 201, in use, the opening and closing of the sealing cover 500 is controlled by driving the cover plate 501 to rotate through controlling the extension and contraction of the second telescopic rod 505.

[0029] In one embodiment, as shown in Figure 2As shown, the sample access assembly 600 comprises a slide rail 601 fixed on the cover 201, a slide column 602 is arranged on the slide rail 601 in sliding mode, a rotating shaft 603 is arranged at the upper end of the slide column 602, a connecting plate 604 is arranged at the upper end of the rotating shaft 603, a hydraulic cylinder 605 is arranged at one end of the connecting plate 604, a movable rod 606 is arranged at the output end of the hydraulic cylinder 605, a suction cup 607 is arranged at the lower end of the movable rod 606, a suction pump 608 is further arranged on the connecting plate 604, a connecting pipe 609 is arranged between the suction cup 607 and the suction pump 608, during use, the movable rod 606 is driven to move downward by the hydraulic cylinder 605, so that the suction cup 607 contacts the sample box 700, then the air between the suction cup 607 and the sample box 700 is extracted by the suction pump 608, so that the suction cup 607 is adsorbed on the sample box 700, then the movable rod 606 is driven to move upward by the hydraulic cylinder 605, so that the sample box 700 is taken out from the sampling port 204.

[0030] The above embodiment discloses a liquid nitrogen tank convenient for accessing samples, during use, when it is necessary to access samples, the sealing cover 500 is opened by controlling the contraction of the second telescopic rod 505 to drive the cover plate 501 to rotate, then the connecting shaft 402 is driven to rotate by the motor 403, so that the base plate 401 is rotated together, the specified sample box 700 is rotated to the sampling port 204, then the movable rod 606 is driven to move downward by the hydraulic cylinder 605, so that the suction cup 607 contacts the sample box 700, then the air between the suction cup 607 and the sample box 700 is extracted by the suction pump 608, so that the suction cup 607 is adsorbed on the sample box 700, then the movable rod 606 is driven to move upward by the hydraulic cylinder 605, so that the sample box 700 is taken out from the sampling port 204, after the access of the sample is completed, the sample box 700 is put back, and then the sealing cover 500 is closed.

[0031] The above only describes specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which shall be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A liquid nitrogen tank for facilitating access to a sample comprising a tank body (100) and a tank lid (200), characterized in that, The lifting assembly (300) is arranged between the tank body (100) and the tank cover (200), the lower end of the tank body (100) is provided with a rotating seat (400) for placing a sample box (700), the upper end of the tank cover (200) is provided with a sampling port (204), one side of the sampling port (204) is provided with a sealing cover (500), and the other side of the sampling port (204) is provided with a sample storage and taking assembly (600).

2. A liquid nitrogen tank for easy access to samples as defined in claim 1, wherein, The tank body (100) is provided with a first mounting seat (101) on one side, and the bottom end of the tank body (100) is provided with a mounting groove (102).

3. The liquid nitrogen tank for easy access to samples of claim 1, wherein, The tank cover (200) comprises a cover body (201) and a sealing ring (202), the cover body (201) is arranged above the tank body (100), the sealing ring (202) is fixed to the lower end of the cover body (201), one side of the cover body (201) is provided with a second mounting seat (203), the second mounting seat (203) is located corresponding to the first mounting seat (101), and the sampling port (204) is provided with a boss (205) therein.

4. The liquid nitrogen tank for easy access to samples of claim 1, wherein, The lifting assembly (300) comprises a first telescopic rod (301), the fixed end of the first telescopic rod (301) is fixed to the lower end of the second mounting seat (203), and the output end of the first telescopic rod (301) is fixedly connected with the first mounting seat (101).

5. The liquid nitrogen tank for easy access to samples of claim 1, wherein, The rotating seat (400) comprises a base plate (401), the base plate (401) is arranged in the tank body (100), the lower end of the base plate (401) is provided with a connecting shaft (402), the connecting shaft (402) is rotationally connected with the tank body (100), and the lower end of the connecting shaft (402) is provided with a motor (403), the motor (403) is installed in the mounting groove (102).

6. The liquid nitrogen tank for easy access to samples of claim 1, wherein, The sealing cover (500) comprises a cover plate (501), the cover plate (501) is arranged at the sampling port (204), one side of the cover plate (501) is provided with a sealing rubber block (502), one end of the cover plate (501) is provided with a connecting seat (503), one end of the connecting seat (503) is hingedly connected with the cover body (201), and one side of the connecting seat (503) is provided with a driving assembly.

7. A liquid nitrogen tank for easy access to samples as defined in claim 6, wherein, The driving assembly comprises a second telescopic rod (505), the output end of the second telescopic rod (505) is provided with a first hinged seat (504), the fixed end of the second telescopic rod (505) is provided with a second hinged seat (506), the first hinged seat (504) is fixed on the connecting seat (503), and the second hinged seat (506) is fixed on the cover body (201).

8. The liquid nitrogen tank for easy access to samples of claim 1, wherein, The sample access assembly (600) comprises a slide rail (601) fixed on the cover (201), a slide column (602) is arranged on the slide rail (601) in a sliding mode, a rotating shaft (603) is arranged at the upper end of the slide column (602), a connecting plate (604) is arranged at the upper end of the rotating shaft (603), a hydraulic cylinder (605) is arranged at one end of the connecting plate (604), a movable rod (606) is arranged at the output end of the hydraulic cylinder (605), a suction disc (607) is arranged at the lower end of the movable rod (606), and a suction pump (608) is further arranged on the connecting plate (604); a connecting pipe (609) is arranged between the suction disc (607) and the suction pump (608).

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