A stacked drawer style sample storage device

This stacked drawer-type sample storage device, which uses a lifting arm mechanism to drive the storage disk assembly to move horizontally and vertically, solves the problems of large footprint, high energy consumption, and low access efficiency of traditional storage devices, thereby improving space utilization and reducing energy consumption.

CN224534606UActive Publication Date: 2026-07-21SHANGHAI ORIGINCELL BIOLOGICAL CRYO EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI ORIGINCELL BIOLOGICAL CRYO EQUIP CO LTD
Filing Date
2025-08-14
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Traditional sample storage devices require the storage rack to be completely removed before operation, resulting in large footprint, easy loss of low temperature, high energy consumption, and low storage and retrieval efficiency.

Method used

A stackable drawer-type sample storage device is designed, which employs a storage compartment, a storage tray assembly, and a lifting arm mechanism. The lifting arm mechanism drives the storage tray assembly to move horizontally and vertically, enabling operation without completely removing the storage compartment.

Benefits of technology

It saves space, reduces low-temperature loss, lowers energy consumption, improves sample storage efficiency, is easy to operate, and is suitable for stacked storage scenarios.

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Abstract

The utility model discloses a kind of stacking drawer type sample storage devices, including storage cabin, storage disk assembly, and lifting arm mechanism;At least one layer of storage disk assembly is provided in storage cabin, lifting arm mechanism is arranged in the side of storage cabin, lifting arm mechanism can drive storage disk assembly horizontal motion, and lifting arm mechanism can drive storage disk assembly to lift.This utility model has the beneficial effect that storage disk assembly is connected by multiple groups of storage frame and connecting piece, and each group of storage frame is composed of multiple storage plates, can be pulled to storage disk assembly by lifting arm mechanism, realize the change of horizontal state and vertical state, without completely extracting storage cabin can be operated;Effectively save floor space, improve space utilization;When applied to storage refrigerator, it can reduce the low-temperature dissipation caused by refrigerator door opening, reduce energy consumption;Convenient operation can store or take out sample in any position, any depth of storage frame, improve sample access efficiency, operation is more convenient.
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Description

Technical Field

[0001] This utility model relates to the field of sample storage technology, and in particular to a stacked drawer-type sample storage device. Background Technology

[0002] In the field of biological samples, traditional storage devices require the storage rack to be completely removed before sample extraction can be performed. This can easily expose the sample to room temperature, which is not conducive to sample storage. Furthermore, the low temperature can easily dissipate when the door is opened, resulting in high energy consumption. In addition, removing the entire storage rack takes up a large amount of space and has low storage efficiency when extracting samples.

[0003] To this end, the inventor has designed a stackable drawer-type sample storage device. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problems existing in the above or prior art, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a stackable drawer-type sample storage device, which allows storage or retrieval operations at any position and depth within the storage rack without having to pull out the storage box door. This solves the problem of large space occupation caused by the traditional storage device requiring the storage rack to be completely pulled out for operation. When applied to a refrigerator, it can confine the storage rack inside the refrigerator door, solving the problem of low temperature loss and high energy consumption when the refrigerator door is opened, thereby reducing energy consumption, improving sample storage and retrieval efficiency, and making operation more convenient.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a stacked drawer-type sample storage device, which includes a storage compartment, a storage disk assembly, and a lifting arm mechanism; at least one layer of storage disk assembly is provided in the storage compartment, the lifting arm mechanism is provided on the side of the storage compartment, the lifting arm mechanism can drive the storage disk assembly to move horizontally, and the lifting arm mechanism can drive the storage disk assembly to move up and down.

[0008] As a preferred embodiment of the stacked drawer-type sample storage device of this utility model, the storage tray assembly includes multiple sets of storage racks, adjacent storage racks are connected by connectors, and the multiple sets of storage racks can be oriented by the connectors.

[0009] As a preferred embodiment of the stacked drawer-type sample storage device of this utility model, multiple sets of storage racks can support the sample plate rack vertically and / or horizontally.

[0010] In a preferred embodiment of the stacked drawer-type sample storage device of this utility model, a set of storage racks includes multiple storage plates, which are connected by support rods, and the storage plates support and store the sample racks.

[0011] As a preferred embodiment of the stacked drawer-type sample storage device of this utility model, the connecting member includes a support rod and a connecting rod; the support rod can support a single set of storage racks, and two adjacent sets of support rods are connected by a connecting rod, and a connecting groove is provided on the connecting rod, and a support rod is provided in the connecting groove.

[0012] As a preferred embodiment of the stacked drawer-type sample storage device of this utility model, it further includes a guide support component, which can guide and support the storage disk component.

[0013] As a preferred embodiment of the stacked drawer-type sample storage device of this utility model, the guide support assembly includes a horizontal guide support channel and a vertical guide support member; the horizontal guide support channel is opened on both sides of the storage compartment and can guide and support the storage disk assembly; the vertical guide support member is set on the side of the horizontal guide support channel, and multiple sets of horizontal guide support channels are connected to the vertical guide support member, which can guide the storage disk assembly vertically.

[0014] In a preferred embodiment of the stacked drawer-type sample storage device of this utility model, the lifting arm mechanism includes a lifting component and a driving component; the lifting component is provided with a driving component, which can lift and lower on the lifting component and drive the storage disk component.

[0015] In a preferred embodiment of the stacked drawer-type sample storage device of this utility model, the driving component includes a driving member, a sliding member, and a hooking part; the driving member is provided with a sliding member, the sliding member is provided with a hooking part, the hooking part can hook the storage disk assembly, and the sliding member can perform telescopic movement on the driving member.

[0016] In a preferred embodiment of the stacked drawer-type sample storage device of this utility model, the hooking part includes a hooking rod with a claw on the hooking rod; the claw can drive the storage disk assembly to move.

[0017] As a preferred embodiment of the stacked drawer-type sample storage device of this utility model, the storage tray assembly includes multiple sets of storage racks, which are connected by connectors. The lifting arm mechanism includes a hooking part, and a hooking engagement part is provided on the storage rack near the lifting arm mechanism. The hooking part drives the storage tray assembly through the hooking engagement part.

[0018] In a preferred embodiment of the stacked drawer-type sample storage device of this utility model, the hook-and-loop fitting includes an insertion groove and a holding groove; the upper and lower ends of the insertion groove are provided with holding grooves, the insertion groove is for the hook-and-loop part to be inserted, and the holding groove is for the hook-and-loop part to be hooked.

[0019] In a preferred embodiment of the stacked drawer-type sample storage device of this utility model, the supporting groove and the insertion groove are connected, and the diameter of the supporting groove is smaller than the diameter of the insertion groove.

[0020] The beneficial effects of this utility model are: 1. The storage disk assembly is composed of multiple sets of storage racks and connectors, and each set of storage racks consists of multiple storage plates. The storage disk assembly can be pulled out by the lifting arm mechanism to realize the change between horizontal and vertical states, and can be operated without completely removing the storage compartment. 2. Effectively saves floor space and improves space utilization; 3. When used in refrigerators, it can reduce the loss of low temperatures caused by opening the refrigerator door, thus reducing energy consumption; 4. Easy to operate, it can store or retrieve samples at any position and depth in the storage rack, improving sample storage and retrieval efficiency and making operation more convenient; 5. The structural design is adapted to stacked storage scenarios, which facilitates the orderly management and retrieval of samples. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 A schematic diagram of the lifting arm mechanism in the hooking state of a stacked drawer-type sample storage device.

[0022] Figure 2 A three-dimensional schematic diagram of a stacked drawer-type sample storage device.

[0023] Figure 3 A three-dimensional schematic diagram of the storage disk assembly of a stacked drawer-type sample storage device.

[0024] Figure 4A three-dimensional schematic diagram of the lifting and lowering of a partial storage disk assembly in a stacked drawer-type sample storage device.

[0025] Figure 5 Diagram showing the lifting arm mechanism driving the storage disk assembly to rise and fall in a stacked drawer-type sample storage device.

[0026] Figure 6 An enlarged view of the drive components for a stacked drawer-type sample storage device.

[0027] Reference numerals: Storage compartment, 1; Storage tray assembly, 2; Lifting arm mechanism, 3; Storage rack, 21; Connector, 22; Storage plate, 211; Support rod, 212; Linkage rod, 221; Guide support assembly, 4; Horizontal guide support channel, 41; Vertical guide support, 42; Lifting assembly, 31; Drive assembly, 32; Drive component, 321; Sliding component, 322; Hook part, 323; Hook mating part, 23; Insertion slot, 231; Supporting slot, 232; Detailed Implementation

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0029] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments. Example 1

[0031] Reference Figures 1-2 This is the first embodiment of the present invention. This embodiment provides a stackable drawer-type sample storage device, which includes a storage compartment 1, a storage tray assembly 2, and a lifting arm mechanism 3. At least one set of storage tray assemblies 2 are provided in the storage compartment 1. By providing a lifting arm mechanism 3 on the side of the storage compartment 1, the lifting arm mechanism 3 can hook the storage tray assembly 2 and drive the storage compartment 1 from a horizontal state to a vertical state.

[0032] Specifically, it includes a storage compartment 1, a storage disk assembly 2, and a lifting arm mechanism 3; at least one layer of storage disk assembly 2 is provided inside the storage compartment 1, and the lifting arm mechanism 3 is located on the side of the storage compartment 1. The lifting arm mechanism 3 can drive the storage disk assembly 2 to move horizontally, and the lifting arm mechanism 3 can drive the storage disk assembly 2 to move up and down.

[0033] In summary, this utility model uses the lifting arm mechanism 3 to hook the storage tray assembly 2 and drive the storage compartment 1 from a horizontal state to a vertical state, enabling operation without removing the entire storage tray assembly 2 from the storage compartment 1. This effectively saves space, improves space utilization, reduces low-temperature loss caused by opening the refrigerator door, and lowers energy consumption. It also improves sample storage and retrieval efficiency and makes operation more convenient. The structural design is suitable for stacked storage scenarios, facilitating the orderly management and retrieval of samples. Example 2

[0034] Reference Figures 1-6 This is the second embodiment of the present invention. In the previous embodiment, the stacked drawer-type sample storage device includes a storage compartment 1, a storage tray assembly 2, and a lifting arm mechanism 3. At least one set of storage tray assemblies 2 are provided in the storage compartment 1. By providing a lifting arm mechanism 3 on the side of the storage compartment 1, the lifting arm mechanism 3 can hook the storage tray assembly 2 and drive the storage compartment 1 from a horizontal state to a vertical state.

[0035] Specifically, it includes a storage compartment 1, a storage disk assembly 2, and a lifting arm mechanism 3; at least one layer of storage disk assembly 2 is provided inside the storage compartment 1, and the lifting arm mechanism 3 is located on the side of the storage compartment 1. The lifting arm mechanism 3 can drive the storage disk assembly 2 to move horizontally, and the lifting arm mechanism 3 can drive the storage disk assembly 2 to move up and down.

[0036] Furthermore, the storage disk assembly 2 includes multiple sets of storage racks 21, with adjacent storage racks 21 connected by connectors 22, and the multiple sets of storage racks 21 can be oriented by the connectors 22.

[0037] Preferably, the two storage racks 21 are connected side by side by connectors 22, which can be used to change direction, from horizontal to vertical or vice versa.

[0038] Furthermore, multiple storage racks 21 can support the sample plate rack vertically and / or horizontally.

[0039] Furthermore, a set of storage racks 21 includes multiple storage boards 211, which are connected by support rods 212. The storage boards 211 support and store the sample racks.

[0040] Preferably, a set of storage racks 21 can support multiple storage boards 211 by one or two support rods 212.

[0041] Preferably, the connecting rod 221 has a connecting groove 222, and a support rod 212 is provided in the connecting groove 222. Through the support rod 212 and the connecting groove 222, smooth movement can be ensured, and multiple sets of storage plates 211 can be supported by the support rod 212. The connecting rod 221 and the support rod 212 in the connecting groove 222 work together to ensure that the connecting rod 221 can rotate smoothly in the direction of transfer. The support rod 212 can rotate in the connecting groove 222, and the connecting rod 221 and the support rod 212 are rotatably connected to avoid the inability to switch between horizontal and vertical movements.

[0042] Furthermore, the connector 22 includes a support rod 212 and a connecting rod 221; the support rod 212 can support a single storage rack 21, and two adjacent support rods 212 are connected by the connecting rod 221.

[0043] Preferably, multiple sets of connecting rods 221 can be connected to the support rods 212 on each set of storage racks 21. When one set of storage racks 21 moves horizontally, it can drive the next set of storage racks 21. When rotating, a set of storage racks 21 can change direction through connecting rods 221 to achieve horizontal to vertical movement or vertical to horizontal movement.

[0044] Furthermore, it also includes a guide support component 4, which can provide guide support for the storage disk component 2.

[0045] Furthermore, the guide support assembly 4 includes a horizontal guide support channel 41 and a vertical guide support member 42. The horizontal guide support channel 41 is opened on both sides of the storage compartment 1 and can guide and support the storage disk assembly 2. The vertical guide support member 42 is set on the side of the horizontal guide support channel 41, and multiple sets of horizontal guide support channels 41 are connected to the vertical guide support member 42. The vertical guide support member 42 can guide the storage disk assembly 2 vertically.

[0046] It should be noted that multiple sets of horizontal guide support channels 41 are connected to vertical guide support members 42, which facilitates the conversion from horizontal to vertical. The attached figure does not show the state in which the horizontal guide support channels 41 and vertical guide support members 42 are connected. In fact, they are all connected, which facilitates the lifting arm mechanism 3 to pull and guide the storage disk assembly 2.

[0047] Preferably, the horizontal guide support channel 41 is located inside the storage compartment 1 and on both sides of the storage disk assembly 2. The horizontal guide support channel 41 can support the support rod 212, which can slide within the horizontal guide support channel 41 to achieve horizontal movement. The horizontal guide support channel 41 also communicates with the vertical guide support member 42, allowing the support rod 212 to enter the interior of the vertical guide support member 42. The vertical guide support member 42 can guide and limit the support rod 212 to prevent displacement of the storage rack 21.

[0048] Preferably, the connecting rod 221 is rotatably mounted on the support rod 212, thereby enabling the direction to be adjusted when turning, changing from a horizontal state to a vertical state, or vice versa.

[0049] Preferably, the guide support 42 can be provided with two sets of limiting cavities symmetrically arranged, and the two support rods 212 in each set of storage racks 21 can be raised and lowered in the two sets of limiting cavities respectively.

[0050] Furthermore, the lifting arm mechanism 3 includes a lifting component 31 and a drive component 32; the lifting component 31 is provided with the drive component 32, which can lift and lower on the lifting component 31, and can drive the storage disk component 2.

[0051] Preferably, the lifting arm mechanism 3 can drive the storage tray assembly 2 to move horizontally and then vertically, thereby facilitating sample storage without opening the entire box door; the operation is convenient, and samples at any position and depth within the storage rack can be stored or retrieved, improving sample storage and retrieval efficiency and making the operation more convenient. Furthermore, the drive assembly 32 includes a drive member 321, a slider 322, and a hooking part 323; the drive member 321 is provided with a slider 322, the slider 322 is provided with a hooking part 323, the hooking part 323 can hook the storage disk assembly 2, and the slider 322 can perform telescopic movement on the drive member 321.

[0052] Preferably, the drive member 321 can drive the sliding member 322 to extend and retract, thereby causing the hooking part 323 to hook the storage rack 21. After hooking the storage rack 21, it moves horizontally and then moves up and down through the lifting assembly 31, driving multiple sets of storage racks 21 to move up and down.

[0053] Furthermore, the hooking part 323 includes a hooking rod 3231, and a claw 3232 is provided on the hooking rod 3231; the claw 3232 can drive the storage disk assembly 2 to move.

[0054] Preferably, by making the diameter of the chuck 3232 larger than the diameter of the hook rod 3231, the chuck 3232 is used to hook the mating part 23, thereby facilitating hooking.

[0055] Furthermore, the storage disk assembly 2 includes multiple sets of storage racks 21, which are connected by connectors 22. The lifting arm mechanism 3 includes a hooking part 323. A hooking engagement part 23 is provided on the storage rack 21 near the lifting arm mechanism 3. The hooking part 323 drives the storage disk assembly 2 through the hooking engagement part 23.

[0056] Furthermore, the hook-fitting component 23 includes an insertion groove 231 and a retaining groove 232; the upper and lower ends of the insertion groove 231 are provided with retaining grooves 232, the insertion groove 231 allows the hooking part 323 to be inserted, and the retaining groove 232 allows the hooking part 323 to hook.

[0057] Preferably, the hook rod 3231 and the claw 3232 enter the insertion groove 231, and as needed, enter the support groove 232 above or below the insertion groove 231. Since the diameter of the support groove 232 is smaller than the diameter of the insertion groove 231, the claw 3232 can hook in the support groove 232, which facilitates horizontal movement and lifting movement.

[0058] Furthermore, the supporting groove 232 is connected to the insertion groove 231, and the diameter of the supporting groove 232 is smaller than the diameter of the insertion groove 231.

[0059] It should be noted that the lifting arm mechanism 3 can be set on one side or both sides, depending on the actual usage scenario.

[0060] In summary, this utility model consists of a storage tray assembly 2 made up of multiple storage racks 21 and connectors 22, with each storage rack 21 composed of multiple storage plates 211. The storage tray assembly 2 can be pulled out via a lifting arm mechanism 3 to switch between horizontal and vertical states without having to completely remove the storage compartment. This effectively saves floor space and improves space utilization. When applied to a refrigerator, it reduces the loss of low temperatures caused by opening the refrigerator door, thus reducing energy consumption. It is easy to operate, allowing for the storage or retrieval of samples at any position and depth within the storage rack, improving sample storage and retrieval efficiency and making operation more convenient. The structural design is adapted to stacked storage scenarios, facilitating the orderly management and retrieval of samples.

[0061] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0062] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0063] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0064] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A stackable drawer-type sample storage device, characterized in that: It includes a storage compartment (1), a storage disk assembly (2), and a lifting arm mechanism (3); at least one layer of storage disk assembly (2) is provided in the storage compartment (1), and the lifting arm mechanism (3) is provided on the side of the storage compartment (1). The lifting arm mechanism (3) can drive the storage disk assembly (2) to move horizontally, and the lifting arm mechanism (3) can drive the storage disk assembly (2) to move up and down.

2. The stacked drawer-type sample storage device as described in claim 1, characterized in that: The storage disk assembly (2) includes multiple sets of storage racks (21), and the storage racks (21) are connected to each other by connectors (22). The multiple sets of storage racks (21) can be oriented by connectors (22).

3. The stacked drawer-type sample storage device as described in claim 2, characterized in that: Multiple sets of the storage racks (21) can support the sample plate rack vertically and / or horizontally.

4. The stacked drawer-type sample storage device as described in claim 3, characterized in that: A set of the storage racks (21) includes multiple storage boards (211), which are connected by support rods (212) to support and store the sample racks.

5. The stacked drawer-type sample storage device as described in claim 2, characterized in that: The connector (22) includes a support rod (212) and a connecting rod (221); the support rod (212) can support a single storage rack (21), and two adjacent sets of support rods (212) are connected by the connecting rod (221). The connecting rod (221) has a connecting groove (222), and the support rod (212) is provided in the connecting groove (222).

6. The stacked drawer-type sample storage device as described in claim 1, characterized in that: It also includes a guide support component (4), which can guide and support the storage disk component (2).

7. The stacked drawer-type sample storage device as described in claim 6, characterized in that: The guide support assembly (4) includes a horizontal guide support channel (41) and a vertical guide support member (42); the horizontal guide support channel (41) is opened on both sides of the storage compartment (1), and the horizontal guide support channel (41) can guide and support the storage disk assembly (2); the vertical guide support member (42) is set on the side of the horizontal guide support channel (41), and multiple sets of horizontal guide support channels (41) are connected to the vertical guide support member (42), and the vertical guide support member (42) can guide the storage disk assembly (2) vertically.

8. The stacked drawer-type sample storage device as described in any one of claims 1 to 7, characterized in that: The lifting arm mechanism (3) includes a lifting component (31) and a drive component (32); the lifting component (31) is provided with a drive component (32), the drive component (32) can lift and lower on the lifting component (31), and the drive component (32) can drive the storage disk component (2).

9. The stacked drawer-type sample storage device as described in claim 8, characterized in that: The drive assembly (32) includes a drive member (321), a slider (322), and a hook part (323); the drive member (321) is provided with a slider (322), the slider (322) is provided with a hook part (323), the hook part (323) can hook the storage disk assembly (2), and the slider (322) can perform telescopic movement on the drive member (321).

10. The stacked drawer-type sample storage device as described in claim 9, characterized in that: The hooking part (323) includes a hooking rod (3231), and a claw (3232) is provided on the hooking rod (3231); the claw (3232) can drive the storage disk assembly (2) to move.

11. The stacked drawer-type sample storage device as described in any one of claims 1 to 7, characterized in that: The storage disk assembly (2) includes multiple sets of storage racks (21), which are connected by connectors (22). The lifting arm mechanism (3) includes a hook part (323). A hook engagement part (23) is provided on the storage rack (21) near the lifting arm mechanism (3). The hook part (323) drives the storage disk assembly (2) through the hook engagement part (23).

12. The stacked drawer-type sample storage device as described in claim 11, characterized in that: The hooking fitting (23) includes an insertion groove (231) and a holding groove (232); the upper and lower ends of the insertion groove (231) are provided with holding grooves (232), the insertion groove (231) is for the hooking part (323) to be inserted, and the holding groove (232) is for the hooking part (323) to hook.

13. The stacked drawer-type sample storage device as described in claim 12, characterized in that: The abutment groove (232) is connected to the insertion groove (231), and the diameter of the abutment groove (232) is smaller than the diameter of the insertion groove (231).