Low-temperature storage container

Abstract

The utility model relates to the technical field of low-temperature storage tanks, and discloses a low-temperature storage container which comprises a fixed barrel, a plurality of columns are fixedly connected to the inner wall of the bottom of the fixed barrel, cavities are formed in the columns, springs are arranged in the cavities, limiting plates are slidably connected in the springs, and the limiting plates are fixedly connected to the inner wall of the bottom of the fixed barrel. A supporting rod is fixedly connected to the top of the limiting plate, a placing plate is fixedly connected to the top of the supporting rod, connecting frames are fixedly connected to the left side and the right side of the exterior of the fixed barrel, clamping assemblies are fixedly connected to the interiors of the connecting frames, and an outer barrel is fixedly connected to the top of the placing plate; supporting assemblies are fixedly connected to the four corners of the interior of the outer cylinder. According to the device, the outer barrel is placed in the fixed barrel, so that the outer barrel can extrude the placing plate, the placing plate can drive the limiting plate to slide in the column body through the supporting rod, and then the buffering effect on the outer barrel can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of low-temperature storage tanks, in particular to a low-temperature storage container. Background Art

[0002] Cryogenic storage containers are equipment used to store cryogenic liquids or substances. They are commonly used in a variety of fields, including industry, scientific research, medical treatment, aerospace, and food industry. These containers are designed to maintain a low-temperature environment to ensure that the stored items remain at the required low temperature, usually between tens of degrees below zero and two hundred degrees below zero. Its main working principles include insulation design, liquid storage, cooling system, and safety measures.

[0003] After searching, a container for storing low-temperature media with announcement number CN205191195U is found, which includes an outer cylinder and an inner cylinder, wherein the outer cylinder and the inner cylinder form an interlayer, a vacuum pumping device is provided at the bottom of the interlayer, a liquid inlet pipeline is provided at the bottom of the inner cylinder, aluminum foil is wrapped around the outer wall of the inner cylinder, several brackets are provided at the bottom of the inner cylinder, a through hole is provided at the bottom of the outer cylinder, and the bracket extends through the through hole to the outside of the outer cylinder. It has a simple structure, reasonable design, and is easy to use.

[0004] The above patent mentioned that "a through hole is provided at the bottom of the outer cylinder, and the bracket extends to the outside of the outer cylinder through the through hole". However, in actual use, although the inner cylinder can be fixed, the outer cylinder cannot be fixed and buffered. If the outer cylinder cannot be fixed and buffered, then when carrying or moving the container, the stored items inside may be unstable, increasing the risk of accidental falls or tilting. In particular, for some items that are sensitive to temperature changes, such as biological samples, medicines or experimental materials, an unstable storage environment may lead to quality loss or damage. Therefore, in response to the above problems, a low-temperature storage container is now proposed. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a low-temperature storage container, which aims to improve the problem in the prior art that the outer cylinder cannot be fixed and buffered.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A low-temperature storage container, comprising a fixed barrel, a plurality of columns are fixedly connected to the inner wall of the bottom of the fixed barrel, a cavity is opened inside the column, a spring is arranged inside the cavity, a limit plate is slidably connected inside the spring, a support rod is fixedly connected to the top of the limit plate, a placement plate is fixedly connected to the top of the support rod, a connecting frame is fixedly connected to the left and right sides of the outside of the fixed barrel, a clamping assembly is fixedly connected to the inside of the connecting frame, an outer cylinder is fixedly connected to the top of the placement plate, the four inner corners of the outer cylinder are fixedly connected to the support assembly, and a heat insulation assembly is arranged inside the outer cylinder;

[0008] As a further description of the above technical solution:

[0009] The clamping assembly comprises a connecting shaft, the outside of the connecting shaft is rotatably connected with a clamping plate, the outside of the clamping plate is clamped with the outside of the outer cylinder, and the outside of the connecting shaft is fixedly connected to the inside of the connecting frame;

[0010] As a further description of the above technical solution:

[0011] The support assembly comprises a fixing rod, the outer portion of the fixing rod is fixedly connected to the inner cylinder, and the other end of the fixing rod is fixedly connected to the inner portion of the outer cylinder;

[0012] As a further description of the above technical solution:

[0013] The heat insulation component comprises a heat insulation layer, the material of the heat insulation layer is polyurethane foam, and the outer portion of the heat insulation layer is fixedly connected to the inner portion of the outer cylinder;

[0014] As a further description of the above technical solution:

[0015] A sealing ring is fixedly connected to the top of the inner cylinder, a connecting pipe is fixedly connected to the top of the outer cylinder, and a top cover is fixedly connected to the top of the connecting pipe;

[0016] As a further description of the above technical solution:

[0017] The left and right sides of the bottom of the top cover are fixedly connected with sliding rods, the left and right sides of the inside of the connecting tube are fixedly connected with fixing plates, and the outside of the sliding rod is slidably connected to the inside of the fixing plate;

[0018] As a further description of the above technical solution:

[0019] The bottom of the sliding rod is fixedly connected with a salvage bucket, the outside of the outer tube is fixedly connected with a fixing ring, the outside of the salvage bucket is slidably connected with a drawer, and the outside of the drawer is fixedly connected with a handle;

[0020] As a further description of the above technical solution:

[0021] One end of the spring is fixedly connected to the bottom of the limiting plate, and the other end of the spring is fixedly connected to the inside of the column.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, by placing the outer cylinder inside the fixed barrel, the outer cylinder can squeeze the placement plate, so that the placement plate can drive the limit plate to slide inside the column through the support rod, and then can play a buffering role on the outer cylinder.

[0024] 2. In the utility model, by pulling the top cover, the top cover can drive the sliding rod to slide inside the fixed plate, so that the sliding rod can drive the salvage bucket to be separated from the inner tube. When the salvage bucket is taken out, the staff can take out the drawer filled with liquid nitrogen by pulling the handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a low-temperature storage container proposed by the utility model;

[0026] Figure 2 This is a schematic structural diagram of a spring of a low-temperature storage container proposed by the utility model;

[0027] Figure 3 This is a structural schematic diagram of an inner cylinder of a low-temperature storage container proposed by the utility model;

[0028] Figure 4 The utility model is a structural schematic diagram of a salvage bucket of a low-temperature storage container.

[0029] Legend:

[0030] 1. Fixed barrel; 2. Column; 3. Cavity; 4. Spring; 5. Limit plate; 6. Support rod; 7. Placement plate; 8. Connecting frame; 9. Connecting shaft; 10. Clamping plate; 11. Outer cylinder; 12. Fixed rod; 13. Inner cylinder; 14. Sealing ring; 15. Connecting pipe; 16. Top cover; 17. Fixed plate; 18. Sliding rod; 19. Salvage barrel; 20. Drawer; 21. Handle; 22. Fixed ring; 23. Insulation layer. DETAILED DESCRIPTION

[0031] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0032] Reference Figure 1-Figure 3 , an embodiment of the utility model is provided: a low-temperature storage container, comprising a fixed barrel 1, a plurality of columns 2 are fixedly connected to the inner wall of the bottom of the fixed barrel 1, a cavity 3 is opened inside the column 2, and a spring 4 is arranged inside the cavity 3. Such a structure can provide buffering to reduce the impact and vibration of items when placing or taking out, one end of the spring 4 is fixedly connected to the bottom of the limit plate 5, and the other end of the spring 4 is fixedly connected to the inside of the column 2, the inner sliding connection of the spring 4 is connected to the limit plate 5, the top of the limit plate 5 is fixedly connected to the support rod 6, and the top of the support rod 6 is fixedly connected to the placement plate 7, the left and right sides of the outside of the fixed barrel 1 are fixedly connected to the connecting frame 8, and the inside of the connecting frame 8 is fixedly connected to a clamping assembly, which includes a connecting shaft 9, and the outside of the connecting shaft 9 is rotatably connected to a clamping plate 10 for fixing or locking an outer cylinder 11 to ensure its stability, the outside of the clamping plate 10 is clamped with the outside of the outer cylinder 11, and the outside of the connecting shaft 9 is fixedly connected to the inside of the connecting frame 8;

[0033] The top of the placement plate 7 is fixedly connected to the outer cylinder 11, and the four inner corners of the outer cylinder 11 are fixedly connected to the support assembly, which includes a fixing rod 12, and the outer cylinder 13 is fixedly connected to the outer end of the fixing rod 12. The other end of the fixing rod 12 is fixedly connected to the inner part of the outer cylinder 11 and connected to the outer cylinder 11 through the fixing rod 12. Such a design may be used to create a double-wall structure to provide additional thermal insulation protection. The inner part of the outer cylinder 11 is provided with a thermal insulation assembly, which includes a thermal insulation layer 23. The thermal insulation layer 23 is made of polyurethane foam, which is an effective thermal insulation material and is widely used in the field of thermal insulation due to its low thermal conductivity and good thermal insulation properties. The outer part of the thermal insulation layer 23 is fixedly connected to the inner part of the outer cylinder 11;

[0034] Reference Figure 3-Figure 4The top of the inner tube 13 is fixedly connected with a sealing ring 14. The function of the sealing ring 14 is to provide additional sealing at the joint between the inner tube 13 and the outer tube 11 or other components to prevent heat from entering the container through the joint and ensure the thermal insulation performance of the container. The top of the outer tube 11 is fixedly connected with a connecting pipe 15. The connecting pipe 15 provides a transition space for installing a top cover 16 and related sealing and connecting components. The top of the connecting pipe 15 is fixedly connected with a top cover 16. The top cover 16 is the main sealing cover of the container, which is used to close the container to prevent external pollution and heat intrusion. The bottom left and right sides of the top cover 16 are fixedly connected with sliding rods 18. The left and right sides of the inside of the connecting pipe 15 are fixedly connected with sliding rods 18. Both sides are fixedly connected with fixed plates 17, the outer part of the sliding rod 18 is slidably connected to the inner part of the fixed plate 17, the bottom of the sliding rod 18 is fixedly connected with a salvage bucket 19, the salvage bucket 19 is a tool for extracting items from a low-temperature storage container, especially when the items sink to the bottom of the container, the user can use the salvage bucket 19 to easily take out the items without having to reach directly into the container, the outer part of the outer tube 11 is fixedly connected with a fixing ring 22, the outer part of the salvage bucket 19 is slidably connected with a drawer 20, and a handle 21 is fixedly connected to the outside of the drawer 20. The handle 21 is designed to facilitate the user to hold and operate the drawer 20, and the handle 21 is fixedly connected to the outside of the drawer 20.

[0035] Working principle: When the outer cylinder 11 is fixed and buffered, the outer cylinder 11 is placed inside the fixed barrel 1, so that the outer cylinder 11 can squeeze the placement plate 7. Under the action of the placement plate 7, the placement plate 7 can drive the limit plate 5 to slide inside the column 2 through the support rod 6, and then the limit plate 5 can squeeze the spring 4, and then the outer cylinder 11 can play a buffering role. By rotating the clamping plate 10, under the action of the clamping plate 10, the clamping plate 10 can be rotated outside the connecting shaft 9. Under the action of the upper cover 16, the clamping plate 10 can be engaged with the clamping groove outside the outer cylinder 11, and then the outer cylinder 11 can be fixed. When the liquid nitrogen is taken out, by pulling the top cover 16, the top cover 16 can drive the sliding rod 18 to slide inside the fixing plate 17. Under the action of the sliding rod 18, the sliding rod 18 can drive the salvage bucket 19 to be separated from the inner cylinder 13. When the salvage bucket 19 is taken out, the staff can pull the handle 21 to take out the drawer 20 filled with liquid nitrogen.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low temperature storage container, comprising a fixed barrel (1), characterized in that: A plurality of columns (2) are fixedly connected to the inner wall of the bottom of the fixed barrel (1), a cavity (3) is provided inside the column (2), a spring (4) is arranged inside the cavity (3), a limit plate (5) is slidably connected inside the spring (4), a support rod (6) is fixedly connected to the top of the limit plate (5), a placement plate (7) is fixedly connected to the top of the support rod (6), a connecting frame (8) is fixedly connected to the left and right sides of the outside of the fixed barrel (1), a locking assembly is fixedly connected to the inside of the connecting frame (8), an outer cylinder (11) is fixedly connected to the top of the placement plate (7), the four corners of the inner part of the outer cylinder (11) are fixedly connected to the support assembly, and a heat insulation assembly is arranged inside the outer cylinder (11).

2. A low temperature storage container according to claim 1, characterized in that: The snap-fit ​​assembly comprises a connecting shaft (9), the outside of the connecting shaft (9) is rotatably connected to a snap-fit ​​plate (10), the outside of the snap-fit ​​plate (10) is snap-fitted with the outside of the outer cylinder (11), and the outside of the connecting shaft (9) is fixedly connected to the inside of the connecting frame (8).

3. A low temperature storage container according to claim 1, characterized in that: The support assembly comprises a fixing rod (12), the outside of the fixing rod (12) is fixedly connected to an inner cylinder (13), and the other end of the fixing rod (12) is fixedly connected to the inside of the outer cylinder (11).

4. A low temperature storage container according to claim 1, characterized in that: The heat insulation component comprises a heat insulation layer (23), the heat insulation layer (23) is made of polyurethane foam, and the outside of the heat insulation layer (23) is fixedly connected to the inside of the outer cylinder (11).

5. A low temperature storage container according to claim 3, characterized in that: A sealing ring (14) is fixedly connected to the top of the inner cylinder (13), a connecting pipe (15) is fixedly connected to the top of the outer cylinder (11), and a top cover (16) is fixedly connected to the top of the connecting pipe (15).

6. A low temperature storage container according to claim 5, characterized in that: The left and right sides of the bottom of the top cover (16) are fixedly connected with sliding rods (18), the left and right sides of the inside of the connecting tube (15) are fixedly connected with fixing plates (17), and the outside of the sliding rod (18) is slidably connected to the inside of the fixing plate (17).

7. A low temperature storage container according to claim 6, characterized in that: The bottom of the sliding rod (18) is fixedly connected to a salvage bucket (19), the outside of the outer tube (11) is fixedly connected to a fixing ring (22), the outside of the salvage bucket (19) is slidably connected to a drawer (20), and the outside of the drawer (20) is fixedly connected to a handle (21).

8. A low temperature storage container according to claim 1, characterized in that: One end of the spring (4) is fixedly connected to the bottom of the limiting plate (5), and the other end of the spring (4) is fixedly connected to the inside of the column (2).

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