Ultralow-temperature freezing storage box

Abstract

The utility model relates to the technical field of refrigeration, in particular to an ultralow-temperature freezing storage box. Comprising a box body, a partition plate is arranged in the box body and divides the box body into a refrigeration cavity and a storage cavity, refrigeration equipment is arranged in the refrigeration cavity, a plurality of heat dissipation holes are formed in the side wall of the box body, and guide rails fixedly connected with the box body and the partition plate are arranged at the two ends in the storage cavity; a bearing disc is arranged between the two guide rails, sliding strips in sliding connection with the guide rails are fixedly connected to the two sides of the bearing disc, and elastic limiting mechanisms in limiting fit with the sliding strips are arranged at the tops of the two guide rails. The ultralow-temperature freezing storage box is compact in structure, even in temperature distribution and convenient and fast to operate, the refrigerating efficiency is improved by optimizing the cavity layout and the design of the bearing mechanism, meanwhile, the refrigerating capacity loss risk is reduced, and the controllability and stability of the storage unit are enhanced.

Description

Technical Field

[0001] This utility model relates to the field of refrigeration technology, and in particular to an ultra-low temperature cryogenic storage box. Background Technology

[0002] With the rapid development of biomedicine, scientific research, and cold chain storage technologies, the demand for ultra-low temperature cryogenic storage equipment in sample preservation and reagent storage is increasing. Traditional ultra-low temperature cryogenic storage boxes typically employ a single-cavity structure, with the refrigeration equipment directly connected to the storage space. The lack of optimized design in the cold air circulation path leads to insufficient temperature uniformity, and vibrations generated during equipment operation can affect the stability of stored items. Furthermore, existing equipment often uses pull-out trays, which are difficult to remove when storing or retrieving items and lack limiting mechanisms, making them prone to shifting or slipping during use. Utility Model Content

[0003] This invention provides an ultra-low temperature cryogenic storage box with a compact structure, uniform temperature distribution, and convenient operation. By optimizing the cavity layout and the design of the supporting mechanism, it improves refrigeration efficiency, reduces the risk of cold loss, and enhances the controllability and stability of the storage unit.

[0004] The technical solution adopted by this utility model is as follows: an ultra-low temperature cryogenic storage box, including a box body, wherein a partition is provided inside the box body to divide the box body into a refrigeration chamber and a storage chamber. The refrigeration chamber is provided with refrigeration equipment and a number of heat dissipation holes are provided on the side wall of the box body. Both ends of the storage chamber are provided with guide rails that are fixedly connected to the box body and the partition. A support plate is provided between the two guide rails and sliding strips that are slidably connected to the guide rails are fixedly connected to both sides of the support plate. An elastic limiting mechanism that cooperates with the limiting of the sliding strips is provided at the top of the two guide rails.

[0005] As a further improvement of this utility model, four rectangular support legs are fixedly connected to the bottom of the box.

[0006] As a further improvement of this utility model, the partition plate is provided with a number of connecting slots that connect the cooling chamber and the storage chamber.

[0007] As a further improvement of this utility model, the front side of the storage cavity is provided with two double-opening cabinet doors that are rotatably connected to the cabinet body, and each of the two double-opening cabinet doors is fixedly connected with a handle on the front side.

[0008] As a further improvement of this utility model, both of the aforementioned double-leaf doors are rotatably connected to the box body via a pivot.

[0009] As a further improvement of this utility model, the elastic limiting mechanism includes a limiting post that passes through the guide rail and the sliding strip. A fixing plate is fixedly connected to the top of the limiting post. The fixing plate is connected to the guide rail by a spring sleeved on the outside of the limiting post. A pull ring is fixedly connected to the top of the fixing plate.

[0010] As a further improvement of this utility model, the guide rail is provided with a through hole for the limiting post to pass through, and the sliding bar is provided with a limiting hole for the limiting post to pass through.

[0011] The beneficial effects of this utility model are as follows: This utility model divides the cabinet into an independent refrigeration chamber and a storage chamber by means of a partition. Combined with the connecting slots on the partition, a directional cold air circulation path is formed, which not only avoids the vibration of the refrigeration equipment being directly transmitted to the storage chamber, but also improves the temperature uniformity in the storage chamber through the controllable flow direction of the cold air. In addition, the heat dissipation holes on the side wall of the cabinet efficiently remove residual heat, which significantly improves the refrigeration efficiency and temperature stability of the equipment.

[0012] The combination design of the guide rail and sliding bar in this utility model, along with the elastic limiting mechanism, ensures that the limiting post driven by the spring and the limiting hole of the sliding bar are precisely matched, thus preventing the bearing plate from slipping out accidentally and buffering the changes in the fitting gap caused by material shrinkage in low-temperature environments. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of an ultra-low temperature cryogenic storage box according to this utility model;

[0014] Figure 2 This is a schematic diagram of the double-door opening state of an ultra-low temperature freezer storage box according to this utility model;

[0015] Figure 3 This utility model relates to an ultra-low temperature cryogenic storage box. Figure 2 Another perspective illustration;

[0016] Figure 4 This is a partial structural cross-sectional view of an ultra-low temperature cryogenic storage box according to this utility model;

[0017] Figure 5 This utility model relates to an ultra-low temperature cryogenic storage box. Figure 4 Schematic diagram of the structure of section A.

[0018] As shown in the figure: 1. Cabinet; 101. Refrigeration chamber; 102. Storage chamber; 2. Partition; 3. Guide rail; 4. Support plate; 5. Sliding strip; 6. Elastic limiting mechanism; 601. Limiting post; 602. Fixing plate; 603. Spring; 604. Pull ring; 7. Support leg post; 8. Double-leaf door; 9. Handle; 10. Rotating shaft. Detailed Implementation

[0019] The directional terms such as up, down, left, right, front, back, front, back, top, and bottom mentioned or possibly mentioned in this specification are defined relative to their structure and are relative concepts. Therefore, they may vary depending on their location and usage; thus, these or other directional terms should not be interpreted as restrictive terms.

[0020] The singular forms “a,” “the,” and “the” used in this specification are intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes one or more of the associated listed items, any or all possible combinations thereof.

[0021] To make the technical problems to be solved, the technical solutions, and the beneficial effects of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0022] This utility model provides the following: Figure 1-5 The ultra-low temperature cryogenic storage box shown includes a box body 1. The box body 1 is divided into a refrigeration chamber 101 and a storage chamber 102 by a partition 2. The refrigeration chamber 101 is equipped with refrigeration equipment and has several heat dissipation holes on the side wall of the box body 1. The storage chamber 102 is provided with guide rails 3 at both ends, which are fixedly connected to the box body 1 and the partition 2. A support plate 4 is provided between the two guide rails 3, and sliding strips 5 that are slidably connected to the guide rails 3 are fixedly connected to both sides of the support plate 4. An elastic limiting mechanism 6 that cooperates with the sliding strips 5 is provided at the top of the two guide rails 3.

[0023] like Figure 3 As shown, in this utility model, the bottom of the box 1 is fixedly connected with four rectangular support legs 7, which improves the overall stability of the box 1. The partition 2 is provided with several connecting slots that connect the cooling chamber 101 and the storage chamber 102, so that the cold air can flow directionally into the storage chamber 102 through the connecting slots, which improves the cooling efficiency and temperature uniformity.

[0024] like Figure 2 and Figure 3 As shown, in this utility model, the front side of the storage cavity 102 is provided with two double-opening cabinet doors 8 that are rotatably connected to the cabinet body 1. Each of the two double-opening cabinet doors 8 has a handle 9 fixedly connected to its front side. Both double-opening cabinet doors 8 are rotatably connected to the cabinet body 1 through a pivot 10, which makes it convenient for staff to open the double-opening cabinet doors 8 to store and retrieve items in the storage cavity 102.

[0025] like Figure 5As shown, the elastic limiting mechanism 6 of this utility model includes a limiting post 601 that passes through the guide rail 3 and the sliding bar 5. A fixing plate 602 is fixedly connected to the top of the limiting post 601. The fixing plate 602 and the guide rail 3 are connected by a spring 603 sleeved on the outside of the limiting post 601. A pull ring 604 is fixedly connected to the top of the fixing plate 602. The guide rail 3 is provided with a through hole for the limiting post 601 to pass through, and the sliding bar 5 is provided with a limiting hole for the limiting post 601 to pass through.

[0026] When the position of the bearing plate 4 needs to be adjusted, the operator can pull the pull ring 604 upwards. The pull ring 604 will move the fixing plate 602 and the limiting post 601 upwards together. At this time, the spring 603 is in a stretched state, and the limiting post 601 disengages from the limiting hole on the sliding bar 5, releasing the limiting effect on the sliding bar 5. Then, the operator can push the bearing plate 4 to slide along the guide rail 3. After adjusting to the appropriate position, the pull ring 604 is released. Under the elastic force of the spring 603, the limiting post 601 is re-engaged into the limiting hole on the sliding bar 5, thus fixing the position of the bearing plate 4. The operation is convenient, stable and reliable.

[0027] Working principle: In specific implementation, the partition 2 divides the housing 1 into a refrigeration chamber 101 and a storage chamber 102. The cold air generated by the refrigeration equipment circulates in the refrigeration chamber 101 and flows directionally into the storage chamber 102 through the connecting slots on the partition 2, thus refrigerating and preserving the items in the storage chamber 102. Due to the optimized design of the cold air circulation path, the vibration of the refrigeration equipment is prevented from being directly transmitted to the storage chamber 102, and the temperature uniformity in the storage chamber 102 is improved. The hot air in the refrigeration chamber 101 is efficiently discharged through the heat dissipation holes on the side wall of the housing 1, thereby improving the refrigeration efficiency and temperature stability of the equipment.

[0028] The combination of guide rail 3 and sliding bar 5 inside storage cavity 102, along with the use of elastic limiting mechanism 6, allows the carrier plate 4 to slide smoothly on guide rail 3, facilitating the storage and retrieval of items by staff. At the same time, the spring 603 in elastic limiting mechanism 6 can drive the limiting post 601 to precisely engage with the limiting hole on sliding bar 5, limiting and fixing the carrier plate 4, preventing the carrier plate 4 from slipping due to changes in the fit clearance caused by material shrinkage in low-temperature environments, thus improving the controllability and stability of the storage unit.

[0029] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An ultra-low temperature cryogenic storage box, comprising a box body (1), characterized in that: The box (1) is provided with a partition (2) to divide the box (1) into a cooling chamber (101) and a storage chamber (102). The cooling chamber (101) is provided with a cooling device and has several heat dissipation holes on the side wall of the box (1). The storage chamber (102) has guide rails (3) fixedly connected to the box (1) and the partition (2) at both ends. A bearing plate (4) is provided between the two guide rails (3) and a sliding strip (5) is fixedly connected to both sides of the bearing plate (4) and is slidably connected to the guide rails (3). The top of the two guide rails (3) is provided with an elastic limiting mechanism (6) that cooperates with the sliding strip (5) for limiting.

2. The ultra-low temperature cryogenic storage box according to claim 1, characterized in that: The bottom of the box (1) is fixedly connected to four rectangular support legs (7).

3. The ultra-low temperature cryogenic storage box according to claim 1, characterized in that: The partition (2) is provided with a number of connecting slots that connect the cooling chamber (101) and the storage chamber (102).

4. The ultra-low temperature cryogenic storage box according to claim 1, characterized in that: The storage cavity (102) is provided with two double-opening cabinet doors (8) that are rotatably connected to the cabinet body (1), and each of the two double-opening cabinet doors (8) is fixedly connected with a handle (9) on the front side.

5. The ultra-low temperature cryogenic storage box according to claim 4, characterized in that: Both of the aforementioned double-leaf doors (8) are rotatably connected to the box body (1) via a pivot (10).

6. The ultra-low temperature cryogenic storage box according to claim 1, characterized in that: The elastic limiting mechanism (6) includes a limiting post (601) that passes through the guide rail (3) and the sliding bar (5). A fixing plate (602) is fixedly connected to the top of the limiting post (601). The fixing plate (602) is connected to the guide rail (3) by a spring (603) sleeved on the outside of the limiting post (601). A pull ring (604) is fixedly connected to the top of the fixing plate (602).

7. The ultra-low temperature cryogenic storage box according to claim 6, characterized in that: The guide rail (3) is provided with a through hole for the limiting post (601) to pass through, and the sliding bar (5) is provided with a limiting hole for the limiting post (601) to pass through.

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