A portable rack for storing samples in ultra-low temperature liquid nitrogen tanks

Abstract

A portable rack for storing samples in ultra-low temperature liquid nitrogen tanks, comprising a placing basket and a pressing plate; the placing basket is opened upward; the pressing plate is slidably arranged in the placing basket, and a pull rope is arranged on the pressing plate. The utility model relates to the field of low temperature storage, and solves the problem that the operation of storing and accessing samples in traditional liquid nitrogen tanks is relatively complicated and time-consuming.

Description

Technical Field

[0001] The utility model relates to the field of low-temperature preservation, and in particular to a portable carrying rack used for preserving samples in an ultra-low temperature liquid nitrogen tank. Background Art

[0002] In biological sciences, medical research and clinical applications, sample preservation and management are crucial. Especially in scenarios where biological samples need to be preserved and maintained stably for a long time, ultra-low temperature preservation technology is particularly important. Liquid nitrogen tanks, as a commonly used ultra-low temperature preservation equipment, can provide an environment close to absolute zero, providing ideal conditions for long-term preservation of samples. Traditional liquid nitrogen tank sample preservation methods have some inherent limitations, and sample storage and access operations are usually complicated and time-consuming, which not only increases the workload of experimenters, but may also have a potential impact on the quality of the samples. Utility Model Content

[0003] The utility model aims to provide a portable carrying rack for storing samples in an ultra-low temperature liquid nitrogen tank, which solves the problem that the operation is relatively complicated and time-consuming when storing and retrieving samples in a traditional liquid nitrogen tank.

[0004] The embodiments of the present invention are implemented by the following technical solutions:

[0005] A portable rack for storing samples in an ultra-low temperature liquid nitrogen tank, comprising:

[0006] A placing basket, wherein the opening of the placing basket is upward;

[0007] A pressing plate is slidably arranged in the placing basket and is provided with a draw rope.

[0008] The shape of the placing basket is a cylinder or a cuboid; the side wall and the bottom of the placing basket are fences.

[0009] A hanging rod is arranged on one side of the opening of the placing basket.

[0010] A plurality of guide grooves are arranged on the inner side wall of the placing basket.

[0011] A plurality of guide blocks are arranged on the side edge of the pressing plate; and the plurality of guide blocks are respectively slidably arranged in the plurality of guide grooves.

[0012] A support plate is provided on one side of the hanging rod, and a buckle is provided on the other side for fixing the pull rope; a limiting hole is provided on the support plate; and the limiting hole is located above the placement basket.

[0013] The pull rope passes through the limiting hole and the buckle in sequence.

[0014] The material of the placing basket is low temperature resistant and corrosion resistant material.

[0015] The pressing plate is made of low-temperature resistant metal material.

[0016] The pull rope is made of low-temperature resistant material.

[0017] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0018] The utility model is a portable rack for storing samples in an ultra-low temperature liquid nitrogen tank. When storing samples, the pull rope can be pulled first to fix it at the buckle, and then the sample is placed in the placement basket, and then the pull rope is removed from the buckle, and the sample is pressed by the gravity of the pressure plate, and finally placed in the liquid nitrogen tank for storage; when taking out the sample, the pull rope can be pulled to fix it at the buckle, and then the sample is taken out of the placement basket. The utility model is relatively simple and quick for the storage and retrieval operation of the sample, and the pressure plate slides along the guide groove, which improves the stability of the sample constraint. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of embodiment 1 of the utility model;

[0020] Figure 2 It is a structural schematic diagram of embodiment 2 of the present utility model.

[0021] In the figure, 101 is a placing basket, 102 is a guide groove, 103 is a hanging rod, 104 is a buckle, 105 is a supporting plate, 201 is a pressure plate, 202 is a guide block, 203 is a pull rope, and 204 is a limiting ball. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example 1

[0025] like Figure 1As shown, a portable rack for storing samples in an ultra-low temperature liquid nitrogen tank comprises a placing basket 101, four guide grooves 102, a hanging rod 103, a pressing plate 201 and a pulling rope 203; the placing basket 101 is a rectangular parallelepiped with an opening facing upward; the side walls and the bottom of the placing basket 101 are fences to facilitate liquid nitrogen to enter the placing basket 101 and prevent the sample from leaking out; the four guide grooves 102 are vertically arranged on the inner side walls of the placing basket 101 and at the four corners thereof; one end of the hanging rod 103 is n-shaped, and the other end thereof is vertically arranged on one side of the opening of the placing basket 101, which is used to place the sample in the placing basket 101. It is hung in the liquid nitrogen tank; the pressing plate 201 is rectangular and can be slid in the placing basket 101, and the four corners thereof are respectively provided with guide blocks 202; the guide blocks 202 are respectively slidably arranged in the guide grooves 102, so that the pressing plate 201 can move up and down along the guide grooves 102; a pull rope 203 is connected to the center of the top surface of the pressing plate 201; a support plate 105 is horizontally arranged on the side of the hanging rod 103 facing the placing basket 101; a limiting hole is arranged on the support plate 105, and it is located above the placing basket 101; a buckle 104 is arranged on the top of the hanging rod 103 for fixing the pull rope 203;

[0026] Specifically, the material of the placing basket 101 is stainless steel; the material of the pressing plate 201 is a low-temperature resistant metal material; the material of the pull rope 203 is a low-temperature resistant material;

[0027] More specifically, the pull rope 203 passes through the limiting hole and the buckle 104 in sequence;

[0028] More specifically, a limiting ball 204 is provided on one end of the pull rope 203 away from the pressure plate 201 to prevent one end of the pull rope 203 from falling into the placement basket 101 .

[0029] Example 2

[0030] like Figure 2 As shown, the placement basket 101 is a cylinder; four guide grooves 102 are respectively vertically arranged on the inner wall of the placement basket 101 and are arranged equidistantly; the pressure plate 201 is circular and can be slid in the placement basket 101, and four guide blocks 202 are equidistantly arranged around it; the guide blocks 202 are respectively slidably arranged in the guide grooves 102, so that the pressure plate 201 can move up and down along the guide grooves 102.

[0031] The other parts of this embodiment are the same as those of the above-mentioned embodiment 1, and thus will not be described in detail.

[0032] The working principle of this embodiment is:

[0033] The utility model discloses a portable carrying rack for storing samples in an ultra-low temperature liquid nitrogen tank. When storing the samples, the pull rope 203 can be pulled first to fix it at the buckle 104, and then the sample is placed in the placing basket 101. Then the pull rope 203 is removed from the buckle 104, and the sample is pressed by the gravity of the pressing plate 201, and finally placed in the liquid nitrogen tank for storage. When taking out the sample, the pull rope 203 can be pulled to fix it at the buckle 104, and then the sample is taken out from the placing basket 101.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable rack for storing samples in ultra-low temperature liquid nitrogen tanks, characterized in that: include: A placing basket, the opening of which is upward; a hanging rod is provided on one side of the opening of the placing basket; A pressure plate is slidably arranged in the placement basket and is provided with a pull rope; a support plate is provided on one side of the hanging rod and a buckle is provided on the other side for fixing the pull rope; a limiting hole is provided on the support plate; and the limiting hole is located above the placement basket.

2. A portable rack for storing samples in an ultra-low temperature liquid nitrogen tank according to claim 1, characterized in that: The shape of the placing basket is a cylinder or a cuboid; the side wall and the bottom of the placing basket are fences.

3. A portable rack for storing samples in an ultra-low temperature liquid nitrogen tank according to claim 2, characterized in that: A plurality of guide grooves are arranged on the inner side wall of the placing basket.

4. A portable rack for storing samples in an ultra-low temperature liquid nitrogen tank according to claim 3, characterized in that: A plurality of guide blocks are arranged on the side edge of the pressing plate; and the plurality of guide blocks are respectively slidably arranged in the plurality of guide grooves.

5. A portable rack for storing samples in an ultra-low temperature liquid nitrogen tank according to claim 4, characterized in that: The pull rope passes through the limiting hole and the buckle in sequence.

6. A portable rack for storing samples in an ultra-low temperature liquid nitrogen tank according to claim 1, characterized in that: The material of the placing basket is low temperature resistant and corrosion resistant material.

7. A portable rack for storing samples in an ultra-low temperature liquid nitrogen tank according to claim 1, characterized in that: The pressing plate is made of low-temperature resistant metal material.

8. A portable rack for storing samples in an ultra-low temperature liquid nitrogen tank according to claim 1, characterized in that: The pull rope is made of low-temperature resistant material.

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