A movable liquid nitrogen tank storage rack structure

Abstract

This utility model discloses a movable liquid nitrogen tank placement rack structure, mainly relating to the field of liquid nitrogen tanks. It includes a frame with a placement slot for holding the liquid nitrogen tank. Multiple support rods are slidably connected vertically to the side of the frame, and positioning posts are provided between the support rods and the frame. A support plate is threadedly connected to the bottom of the frame, and multiple limiting rods are provided between the support plate and the bottom of the frame. Multiple rollers are provided at the bottom of the support plate. The advantages of this utility model are: it solves the technical problems of existing liquid nitrogen tanks being inconvenient to move and posing a risk of frostbite during movement, enabling convenient movement of the liquid nitrogen tank, ensuring the stability of the liquid nitrogen tank during movement, and preventing liquid nitrogen leakage that could lead to frostbite.

Description

Technical Field

[0001] This utility model relates to the field of liquid nitrogen tanks, specifically a liquid nitrogen tank placement rack structure that is easy to move. Background Technology

[0002] Liquid nitrogen tanks are used for freezing biological samples. The tanks themselves are quite heavy, and when they need to be moved, the current methods usually rely on trolleys or small hoisting equipment. This makes moving the tanks very inconvenient, and the tanks are prone to tilting during the move, posing a risk of liquid nitrogen or frozen samples falling out. This poses a risk of frostbite to operators during the move, affecting the convenience and safety of moving the liquid nitrogen tanks. Utility Model Content

[0003] The purpose of this utility model is to provide a liquid nitrogen tank placement rack structure that is easy to move. It can solve the technical problems of existing liquid nitrogen tanks being inconvenient to move and the risk of frostbite during the movement process, realize convenient operation of liquid nitrogen tanks, ensure the stability of liquid nitrogen tanks during the movement process, and avoid the situation of liquid nitrogen leakage leading to frostbite.

[0004] To achieve the above objectives, this utility model employs the following technical solution:

[0005] A movable liquid nitrogen tank placement rack structure includes a frame body with a placement slot for placing liquid nitrogen tanks. Multiple support rods are slidably connected to the side of the frame body along the vertical direction. Positioning posts are provided between the support rods and the frame body. A support plate is threadedly connected to the bottom of the frame body. Multiple limiting rods are provided between the support plate and the bottom of the frame body. Multiple rollers are provided at the bottom of the support plate.

[0006] Furthermore, the bottom of the frame is provided with a fixing screw, the support plate is threadedly connected to the fixing screw, and the top of the support plate is provided with a guide ring for use with the frame.

[0007] Furthermore, the bottom of the frame is provided with an annular groove, and the guide ring is located in the annular groove.

[0008] Furthermore, the limiting rod passes through the support plate and is threadedly connected to it, and the bottom of the frame is provided with a slot for use with the limiting rod.

[0009] Furthermore, the top of the limiting rod is provided with a top block, which is movably inserted into the slot.

[0010] Furthermore, the side of the frame is provided with multiple fixing sleeves, the support rod is slidably connected in the fixing sleeves along the vertical direction, and the positioning post is arranged between the fixing sleeves and the support rod.

[0011] Furthermore, the support rod is provided with multiple positioning holes, and the positioning post passes through the fixing sleeve and is movably inserted into the positioning hole.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. The structure of this utility model has a placement slot for placing liquid nitrogen tanks at the top of the frame, and multiple support rods are slidably connected to the sides of the frame along the vertical direction. Positioning posts are provided between the support rods and the frame, and a support plate is provided at the bottom of the frame. Multiple rollers are provided at the bottom of the support plate. When the liquid nitrogen tank is placed normally, the multiple support rods on the sides of the frame slide downwards so that the bottom of the support rods contacts the ground, effectively supporting the liquid nitrogen tank and ensuring its stability. When the liquid nitrogen tank needs to be moved, the support plate is moved downwards so that the multiple rollers at the bottom of the support plate contact the ground. At this time, the liquid nitrogen tank is supported by multiple support rods and rollers simultaneously. Then, the support rods are slid upwards after the positioning posts are released, so that the liquid nitrogen tank is supported only by the multiple rollers at the bottom. At this time, the liquid nitrogen tank can be easily pushed to the designated position. The setting of multiple rollers at the bottom ensures the stability of the liquid nitrogen tank during the movement process, avoids liquid nitrogen leakage and freezing damage, and greatly improves the convenience and safety of moving the liquid nitrogen tank.

[0014] 2. The support plate is threaded to the bottom of the frame, and multiple limiting rods are provided between the support plate and the bottom of the frame. With this structure, when moving the support plate up and down, only the support plate needs to be rotated. Under the action of the threaded connection, the support plate rotates and moves up and down. After the support plate moves to the designated height, the multiple limiting rods restrict the support plate to prevent it from continuing to rotate, so that the support plate is firmly located at the designated height, effectively supporting the frame on which the liquid nitrogen tank is placed. This makes the vertical movement of the support plate more efficient and convenient, and further improves the convenience of moving the liquid nitrogen tank. Attached Figure Description

[0015] Appendix Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Appendix Figure 2 This is a front view of the present invention.

[0017] Appendix Figure 3 This is an appendix to this utility model. Figure 2 A cross-sectional view along the AA direction.

[0018] Appendix Figure 4 This is an appendix to this utility model. Figure 3 Cross-sectional view along the BB direction.

[0019] The labels shown in the attached diagram:

[0020] 1. Frame; 2. Liquid nitrogen tank; 3. Placement slot; 4. Support rod; 5. Positioning column; 6. Support plate; 7. Limiting rod; 8. Roller; 9. Fixing screw; 10. Guide ring; 11. Annular groove; 12. Slot; 13. Top block; 14. Fixing sleeve; 15. Positioning hole. Detailed Implementation

[0021] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.

[0022] Reference Figure 1 and Figure 2This utility model describes a movable liquid nitrogen tank placement rack structure. The main structure includes a frame 1, which is a flat plate structure used to support the liquid nitrogen tank 2. It is generally made of metal. The frame 1 has a placement groove 3 for placing the liquid nitrogen tank 2. The placement groove 3 is recessed downward from the top of the frame 1. The liquid nitrogen tank 2 is placed in the placement groove 3, which makes the liquid nitrogen tank 2 more stable on the frame 1. The liquid nitrogen tank 2 is not easy to tilt or shake relative to the frame 1, ensuring the stability of the liquid nitrogen tank 2 during placement and movement. Multiple support rods 4 are vertically slidably connected to the side of the frame 1. The support rods 4 are inclined so that when the support rods 4 slide downward relative to the frame 1 to contact the ground, the bottom of the multiple inclined support rods 4 contacts the ground. The resulting support area is larger, providing more stable support for the frame 1. A positioning post 5 is provided between the support rod 4 and the frame 1. The positioning post 5 is used to position the support rod 4 after vertical movement, ensuring a stable connection between the support rod 4 and the frame 1, guaranteeing stable support for the frame 1 containing the liquid nitrogen tank 2. A support plate 6 is threadedly connected to the bottom of the frame 1. By rotating the support plate 6, it can rotate and move up and down relative to the bottom of the frame 1. Multiple limiting rods 7 are provided between the support plate 6 and the bottom of the frame 1. After the support plate 6 moves up and down by rotation, the multiple limiting rods 7 restrict its rotation position, preventing the support plate 6 from continuing to rotate. This ensures that the support plate 6 remains at the height after movement. The threaded connection and limiting rods... The positioning rod 7 effectively restricts the height of the support plate 6, resulting in a simple structure and convenient operation. Adjusting the height of the support plate 6 is more convenient and stable. The bottom of the support plate 6 is equipped with multiple rollers 8, typically omnidirectional casters. When moving the liquid nitrogen tank 2, rotating the support plate 6 causes it to descend until the rollers 8 at the bottom of the support plate 6 contact the ground. This allows the frame 1 to be supported simultaneously by the bottom rollers 8 and the side support rods 4. At this point, the positioning rod 5 releases the restriction on the position of the support rods 4, and the support rods 4 are slid upwards, so that the bottom of the frame 1 is supported only by the rollers 8 at the bottom of the support plate 6. The frame 1 can then be manually pushed to allow the liquid nitrogen tank 2 to move. Tank 2 is easily pushed to the designated position, making the movement of liquid nitrogen tank 2 more convenient. The multiple rollers 8 at the bottom of the support plate 6 make the liquid nitrogen tank 2 more stable during movement, preventing tilting and shaking, avoiding frostbite caused by liquid nitrogen leakage, and ensuring the convenience and safety of moving liquid nitrogen tank 2. After the liquid nitrogen tank 2 is moved into place, the support rod 4 is slid downwards so that the bottom of the support rod 4 contacts the ground. The position of the support rod 4 is fixed by the positioning pin 5. Then the restriction of the limiting rod 7 is released, and the support plate 6 is rotated in the opposite direction. Under the action of the threaded connection, the support plate 6 rotates upwards, causing the bottom rollers 8 to separate from the ground. This structure ensures that the frame 1, after being moved into place, is supported only by the multiple support rods 4 on the side.This design prevents liquid nitrogen tank 2 from shifting during placement, ensuring its stability and significantly improving its ease of movement without compromising its operational stability.

[0023] Preferred, refer to Figure 3 The bottom of the frame 1 is fixed with a fixing screw 9 by welding or bolting. The support plate 6 is threadedly connected to the fixing screw 9. Specifically, a through threaded hole is provided in the middle of the support plate 6, and the fixing screw 9 is threaded into the threaded hole. The top of the support plate 6 is provided with a guide ring 10 for use with the frame 1. This structure allows the support plate 6 to be completely located at the bottom of the frame 1. The height relative to the frame 1 can be adjusted by the threaded engagement with the fixing screw 9. The side of the support plate 6 will not protrude outward, reducing the space occupied and saving the placement space of the liquid nitrogen tank 2. When the support plate 6 rotates and moves up and down, the setting of the guide ring 10 can improve the stability of the relative position of the support plate 6 and the frame 1, making the structure of the support plate 6 more stable after moving up and down, and improving the support effect on the frame 1.

[0024] Preferred, refer to Figure 4 The bottom of the frame 1 is provided with an annular groove 11, which is recessed inward from the bottom of the frame 1. The guide ring 10 is located in the annular groove 11 and can rotate and move up and down in the annular groove 11. This ensures that the guide ring 10 maintains a stable contact with the annular groove 11 when the support plate 6 rotates and moves up and down, preventing the support plate 6 from tilting or shaking relative to the frame 1, and further improving the stability of the support plate 6.

[0025] Preferably, the limiting rod 7 passes through the support plate 6 and is threadedly connected to it. The bottom of the frame 1 is provided with a slot 12 for use with the limiting rod 7. With this structure, after the support plate 6 rotates and moves up and down, the limiting rod 7 is screwed on, and under the action of the threaded connection, the limiting rod 7 rises into the slot 12. The cooperation between the limiting rod 7 and the slot 12 provides multiple connection support points for the rotated support plate 6, preventing it from continuing to rotate, and indirectly limiting the height of the support plate 6. The structure is simple and easy to operate. While limiting the rotation of the support plate 6, it can also add multiple support points between the support plate 6 and the bottom of the frame 1, further improving the stability of the support plate 6.

[0026] Preferably, the top of the limiting rod 7 is fixed with a top block 13 by welding or bolting. The top block 13 is movably inserted into the slot 12. The setting of the top block 13 can increase the contact area between the top of the limiting rod 7 and the slot 12, thereby making the support between the limiting rod 7 and the support plate 6 and the frame 1 more solid.

[0027] Preferably, the side of the frame 1 is fixed with multiple fixing sleeves 14 by welding or bolts. The support rod 4 is slidably connected to the fixing sleeve 14 in a vertical direction. The positioning post 5 is set between the fixing sleeve 14 and the support rod 4. This structure allows the support rod 4 to move up and down inside the fixing sleeve 14 when it slides up and down. The fixing sleeve 14 guides and limits the vertical sliding of the support rod 4, improving the stability of the structure of the support rod 4 moving up and down. After it moves into place, the positioning post 5 fixes the position of the support rod 4 and the fixing sleeve 14, so that the support rod 4 is firmly located in the designated position inside the fixing sleeve 14, further improving the stability of the support rod 4 relative to the frame 1 structure.

[0028] Preferably, the support rod 4 is provided with multiple through positioning holes 15. The positioning post 5 passes through the fixing sleeve 14 and is movably inserted into the positioning hole 15. Specifically, the fixing sleeve 14 is provided with through holes on its side wall. The positioning post 5 passes through the through holes and is movably inserted into the positioning hole 15. With this structure, the support rod 4 only needs to be moved up and down to align the positioning holes 15 at different heights with the through holes. Then, the positioning post 5 passes through the aligned through holes and is inserted into the positioning hole 15, which effectively fixes the relative position of the support rod 4 and the fixing sleeve 14. This simplifies the positioning operation steps and improves the convenience of fixing the position of the support rod 4.

[0029] Working Principle: This invention features a placement slot 3 at the top of the frame 1 for holding a liquid nitrogen tank 2. Multiple support rods 4 are vertically slidably connected to the sides of the frame 1. Positioning posts 5 are provided between the support rods 4 and the frame 1. A support plate 6 is located at the bottom of the frame 1, with multiple rollers 8 at its bottom. When the liquid nitrogen tank 2 is normally placed, the support rods 4 on the sides of the frame 1 slide downwards, bringing their bottoms into contact with the ground. This effectively supports the liquid nitrogen tank 2, ensuring its stability. When the liquid nitrogen tank 2 needs to be moved, the support plate 6 is moved downwards, bringing its bottom rollers 8 into contact with the ground. At this point, the liquid nitrogen tank 2 is simultaneously supported by the support rods 4 and rollers 8. Then, the positioning posts 5 are released, and the support rods 4 slide upwards, so that the liquid nitrogen tank 2 is supported only by the bottom rollers 8. The liquid nitrogen tank 2 can be easily pushed to the designated position. The multiple rollers 8 at the bottom ensure the stability of the liquid nitrogen tank 2 during movement, preventing liquid nitrogen leakage and frostbite, and greatly improving the convenience and safety of moving the liquid nitrogen tank 2. The support plate 6 is threaded to the bottom of the frame 1, and multiple limiting rods 7 are provided between the support plate 6 and the bottom of the frame 1. With this structure, when moving the support plate 6 up and down, only the support plate 6 needs to be rotated. Under the action of the threaded connection, the support plate 6 rotates and moves up and down. After the support plate 6 moves to the designated height, the multiple limiting rods 7 restrict the support plate 6 to prevent the support plate 6 from continuing to rotate, so that the support plate 6 is firmly located at the designated height, realizing effective support for the frame 1 on which the liquid nitrogen tank 2 is placed. This makes the vertical movement of the support plate 6 more efficient and convenient, further improving the convenience of moving the liquid nitrogen tank 2.

Claims

1. A liquid nitrogen tank placing rack structure facilitating movement, comprising a rack body (1), wherein a placing groove (3) for placing a liquid nitrogen tank (2) is arranged on the rack body (1), and characterized in that: The side of the frame (1) is slidably connected with multiple support rods (4) in the vertical direction. A positioning post (5) is provided between the support rod (4) and the frame (1). A support plate (6) is threadedly connected to the bottom of the frame (1). Multiple limiting rods (7) are provided between the support plate (6) and the bottom of the frame (1). Multiple rollers (8) are provided at the bottom of the support plate (6).

2. The portable liquid nitrogen tank holder structure according to claim 1, wherein: The bottom of the frame (1) is provided with a fixing screw (9), the support plate (6) is threadedly connected to the fixing screw (9), and the top of the support plate (6) is provided with a guide ring (10) for use with the frame (1).

3. The portable liquid nitrogen tank holder structure according to claim 2, wherein: The bottom of the frame (1) is provided with an annular groove (11), and the guide ring (10) is located in the annular groove (11).

4. The portable liquid nitrogen tank holder structure of claim 1, wherein: The limiting rod (7) passes through the support plate (6) and is threaded to it. The bottom of the frame (1) is provided with a slot (12) for use with the limiting rod (7).

5. The portable liquid nitrogen tank holder structure according to claim 4, wherein: The top of the limiting rod (7) is provided with a top block (13), which is movably inserted into the slot (12).

6. The liquid nitrogen tank placement rack structure according to claim 1, characterized in that: The frame (1) has multiple fixed sleeves (14) on its side. The support rod (4) is slidably connected in the fixed sleeve (14) along the vertical direction. The positioning column (5) is set between the fixed sleeve (14) and the support rod (4).

7. The liquid nitrogen tank placement rack structure according to claim 6, characterized in that: The support rod (4) is provided with multiple positioning holes (15), and the positioning post (5) passes through the fixing sleeve (14) and is movably inserted into the positioning hole (15).

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