incubator

Abstract

The application relates to the technical field of heat preservation equipment, in particular to a test tube heat preservation box. The test tube heat preservation box comprises a box body, a bearing part and a cold source bin, the top of the box body is provided with a box opening; the bearing part is arranged in the box body, the bearing part and the box body jointly form a refrigerant cavity; the cold source bin is connected with the box body and located in the refrigerant cavity, and the cold source bin is configured to store a cold source to exchange heat with liquid refrigerant in the refrigerant cavity. Compared with a refrigerator, the test tube heat preservation box has a simpler and more compact structure, is convenient to move and operate, can be directly transferred and placed in a laboratory area according to needs, and can complete precooling or low-temperature maintenance of test tubes in the heat preservation box, so that the test tubes do not need to be repeatedly transferred between the refrigerator and the laboratory area. In addition, the heat exchange area is completely immersed in the liquid refrigerant, and the heat exchange area with a convex structure wraps the bottom and the side wall of the test tube, so that the cold energy directly contacts the test tube, and the heat exchange effect is far superior to that of air cooling.

Description

Technical Field

[0001] This application relates to the field of thermal insulation equipment technology, and more particularly to a test tube thermal insulation box. Background Technology

[0002] In certain scenarios, blood samples and enzyme reaction reagents need to be stored and analyzed at low temperatures. Samples can be stored in refrigerators within the appropriate temperature range. However, if the samples and test tubes containing them are placed in a refrigerator during the preparation or analysis phase of laboratory chemical analysis, the limited number of refrigerators in the laboratory and their placement in specific areas make them inconvenient to move. This necessitates constantly transferring the test tubes between the refrigerator and the experimental area, which is inconvenient and cumbersome. Utility Model Content

[0003] To solve the above-mentioned technical problems, this application provides a test tube incubator, which includes: The box body has an opening at its top; A support unit is disposed inside the box, and the support unit and the box together form a refrigerant cavity. The support unit is provided with a plurality of test tube receiving slots. The test tube receiving slots include a support area that penetrates the support unit and a heat exchange area that protrudes from the lower surface of the support unit. The heat exchange area extends completely into the refrigerant cavity, and the refrigerant cavity is configured to be filled with liquid refrigerant. A cold source compartment is connected to the housing and located inside the refrigerant chamber. The cold source compartment is configured to store a cold source for heat exchange with the liquid refrigerant inside the refrigerant chamber.

[0004] Furthermore, the front side of the housing has an opening that communicates with the interior of the cold source compartment. A drawer is movably installed inside the cold source compartment. The drawer slides through the opening and is used to close the opening.

[0005] Furthermore, the upper and lower sides, left and right sides, and rear side of the cold source compartment are all refrigerant chambers.

[0006] Furthermore, the inner wall of the test tube receiving groove is provided with a flexible layer, which is a thermally conductive material.

[0007] Furthermore, the test tube incubator also includes a clamping mechanism, which includes a first clamping component and a second clamping component symmetrically distributed on both sides of the test tube receiving groove; The first clamping assembly includes a first clamping arm, a second clamping arm, and a first elastic element. The two ends of the first clamping arm are respectively connected to a first gear and a first clamping part. The two ends of the second clamping arm are respectively provided with a second gear and a second clamping part. The first gear meshes with the second gear. When the first gear rotates and causes the first clamping part and the second clamping part to move away from each other, the first elastic element generates a damping force that resists the rotation of the first gear. The second clamping assembly includes a third clamping arm, a fourth clamping arm, and a second elastic element. The two ends of the third clamping arm are respectively connected to a third gear and a third clamping part. The two ends of the fourth clamping arm are respectively provided with a fourth gear and a fourth clamping part. The third gear meshes with the fourth gear. When the third gear rotates and causes the third clamping part and the fourth clamping part to move away from each other, the second elastic element generates a damping force that resists the rotation of the third gear.

[0008] Furthermore, the first clamping arm has a first connecting arm connected to one end where the first gear is located, and the third clamping arm has a second connecting arm connected to one end where the third gear is located. The first elastic element is a spring connected to the first connecting arm, and the second elastic element is a spring connected to the second connecting arm.

[0009] Furthermore, the test tube incubator also includes a mounting bracket detachably mounted on the support portion. The mounting bracket includes an upper fixing plate and a lower fixing plate arranged in parallel. The upper fixing plate has an upper through hole facing the test tube receiving groove, and the lower fixing plate has a lower through hole facing the test tube receiving groove. The clamping mechanism is mounted on the mounting bracket and located between the upper fixing plate and the lower fixing plate.

[0010] Furthermore, the bracket is provided with a first rotating shaft, a second rotating shaft, a third rotating shaft, and a fourth rotating shaft, a first fixed column, and a second fixed column. The first gear is rotatably mounted on the first rotating shaft, the second gear is rotatably mounted on the second rotating shaft, the third gear is rotatably mounted on the third rotating shaft, and the fourth gear is rotatably mounted on the fourth rotating shaft. The two ends of the first elastic member are respectively connected to the first connecting arm and the first fixed column, and the two ends of the second elastic member are respectively connected to the second fixed column.

[0011] Furthermore, the supporting part is provided with a mounting groove, and the mounting bracket is detachably disposed in the mounting groove.

[0012] Furthermore, the test tube incubator includes a lid for opening or closing the incubator opening.

[0013] The technical solutions provided in this application have the following advantages compared with the prior art: The test tube insulated box provided in this application embodiment has a simpler and more compact structure than a refrigerator, making it easier to move and operate. It can be directly transferred and placed in the laboratory area as needed. The insulated box can be used to pre-cool or maintain low temperatures for test tubes, eliminating the need to repeatedly move the test tubes between the refrigerator and the laboratory area. Furthermore, the heat exchange zone is completely immersed in liquid refrigerant, and the protruding structure of the heat exchange zone wraps around the bottom and side walls of the test tubes, allowing the cold energy to directly contact the test tubes, achieving a heat exchange effect far superior to air cooling. The cold source chamber and the test tubes are isolated by liquid refrigerant, allowing the cold energy to be uniformly conducted through the medium, avoiding uneven supercooling or temperature shocks caused by direct contact between the test tubes and the cold source. Attached Figure Description

[0014] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0017] Figure 1 This is a schematic diagram of the structure of a test tube insulated box in one embodiment of this application; Figure 2 This is a schematic diagram of the test tube incubator in another embodiment of this application; Figure 3 for Figure 1 A top view of the test tube incubator shown; Figure 4 for Figure 3 AA section view in the middle; Figure 5 for Figure 3 BB section view in the middle; Figure 6 for Figure 4 CC section view in the middle; Figure 7 for Figure 6 A magnified view of the upper right corner area; Figure 8 A top view of the clamping mechanism provided in the embodiments of this application in its working state; Figure 9 A three-dimensional structural diagram of a portion of the clamping mechanism provided in the embodiments of this application; Figure 10 This is an exploded structural diagram of the mounting bracket provided in the embodiments of this application; Figure 11 A top view of the mounting bracket provided in an embodiment of this application; Figure 12 for Figure 11 DD section view in the middle; Figure 13 for Figure 12 EE section view; Figure 14 for Figure 13 A magnified view of the area within the circle marked by the middle dashed line.

[0018] Explanation of reference numerals in the attached figures: 100. Enclosure; 110. Enclosure opening; 120. Refrigerant chamber; 130. Opening; 200, Supporting section; 210, Test tube receiving groove; 211, Supporting area; 212, Heat exchange area; 220, Flexible layer; 230, Mounting groove; 300. Cold storage warehouse; 400. Drawer; 410. Handle; 500. Clamping mechanism; 510. First clamping assembly; 511. First clamping arm; 512. Second clamping arm; 513. First elastic element; 514. First gear; 515. First clamping part; 516. Second gear; 517. Second clamping part; 518. First connecting arm; 520. Second clamping assembly; 521. Third clamping arm; 522. Fourth clamping arm; 523. Second elastic element; 524. Third gear; 525. Third clamping part; 526. Fourth gear; 527. Fourth clamping part; 528. Second connecting arm; 600. Mounting bracket; 610. Upper fixing plate; 611. Upper through hole; 620. Lower fixing plate; 621. Lower through hole; 630. Boss; 631. First rotating shaft; 632. Second rotating shaft; 633. Third rotating shaft; 634. Fourth rotating shaft; 635. First fixing post; 636. Second fixing post; 700, Box lid; 800, test tube. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0020] The following disclosure provides numerous different embodiments or examples for implementing various structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed.

[0021] For ease of description, spatial relative terms may be used in the text to describe the relative position or movement of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "front," "back," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure undergoes a positional flip, orientation change, or change of motion, these directional indications will change accordingly. For instance, an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.

[0022] like Figure 1-14As shown, this application embodiment provides a test tube insulation box, which includes a box body 100, a support part 200, and a cold source chamber 300. The box body 100 has an opening 110 at its top. The support part 200 is disposed inside the box body 100 and located at the top. The support part 200 and the box body 100 together form a refrigerant cavity 120. The support part 200 is provided with a plurality of test tube receiving slots 210, each including a support area 211 penetrating the support part 200 and a heat exchange area 212 protruding from the lower surface of the support part 200. The heat exchange area 212 extends completely into the refrigerant cavity 120, which is configured to be filled with liquid refrigerant. The cold source chamber 300 is connected to the box body 100 and located inside the refrigerant cavity 120. The cold source chamber 300 is configured to store a cold source for heat exchange with the liquid refrigerant in the refrigerant cavity 120.

[0023] The housing 100 is a hollow structure with an upward-facing opening 110 at the top for inserting test tubes 800 into the test tube insulated box from top to bottom. The housing 100 can be made of materials with certain thermal insulation properties, such as foamed plastic, composite insulation boards, or a combination of a metal shell and an insulating core, to reduce the influence of the external ambient temperature on the internal refrigerant cavity 120 temperature. In this embodiment, the bottom and side walls of the housing 100 together form a top-open cavity. The support portion 200 is disposed within this cavity and positioned at a relatively high position, such that the support portion 200, the inner side walls, and the inner bottom wall of the housing 100 enclose the refrigerant cavity 120.

[0024] The support section 200 is a partition structure located inside the housing 100, specifically used to form the refrigerant cavity 120 and to support multiple test tubes 800. The test tube receiving groove 210 provided on the support section 200 is used to insert the test tubes 800, and can reliably support the test tubes 800 to keep them upright. The test tube receiving groove 210 is preferably integrally formed with the support section 200. The periphery of the support area 211 in the test tube receiving groove 210 can be directly formed from the body material of the support section 200. The heat exchange area 212 of the test tube receiving groove 210 is a columnar or cylindrical structure, which can be designed to fit the shape of the test tubes 800. The heat exchange zone 212 is directly exposed in the refrigerant chamber 120, allowing the lower half of the inserted test tube 800 and the bottom of the test tube 800 to quickly transfer heat to the liquid refrigerant in the refrigerant chamber 120 through the heat exchange zone 212. The liquid refrigerant in the refrigerant chamber 120 ensures that the sample temperature in the test tube 800 is stably maintained within a low temperature range. The material of the heat exchange zone 212 is preferably a high thermal conductivity material, such as aluminum, stainless steel, copper, etc.

[0025] The space formed between the support unit 200 and the housing 100 constitutes the refrigerant chamber 120. The refrigerant chamber 120 is pre-filled with liquid refrigerant, including but not limited to ethanol and its solutions, ethylene glycol and its solutions, salt-ice mixture refrigerant, or other cooling media that can remain liquid at low temperatures. The specific type can be flexibly selected according to usage requirements. After the refrigerant chamber 120 is filled with liquid refrigerant, the heat exchange zone 212 is immersed in the liquid refrigerant, enabling efficient cold energy transfer. It should be noted that using liquid refrigerant instead of solid ice effectively avoids differences in cooling rate of the test tube 800 caused by uneven local temperature distribution. Simultaneously, it ensures that the cold energy from the cold source chamber 300 is evenly transferred to each heat exchange zone 212 through the liquid refrigerant, achieving more stable temperature control.

[0026] The cold source chamber 300 is an independent compartment structure for placing cold sources (such as ice packs, dry ice blocks, cooling agent packs, refrigerants, etc.). The cold source chamber 300 and the refrigerant chamber 120 can directly exchange heat, allowing the low temperature of the cold source to continuously exchange heat with the liquid refrigerant in the refrigerant chamber 120 through the walls of the cold source chamber 300, thereby maintaining the temperature of the liquid refrigerant and further ensuring the temperature stability of the test tube 800. To avoid localized overcooling caused by direct contact between the test tube 800 and the cold source, in this embodiment, a certain distance is preferably maintained between the cold source chamber 300 and the heat exchange zone 212, allowing cold energy to be uniformly transferred through the liquid refrigerant, improving the overall temperature control uniformity of the system.

[0027] The test tube incubator provided in this application embodiment has a simpler and more compact structure than a refrigerator, making it easier to move and operate. It can be directly carried and transferred as needed and placed in the laboratory area. The test tube 800 can be pre-cooled or maintained at a low temperature using this incubator, so that the test tube 800 does not need to be repeatedly transferred between the refrigerator and the laboratory area.

[0028] Furthermore, the heat exchange zone 212 is completely immersed in liquid refrigerant, and its protruding structure surrounds the bottom and sidewalls of the test tube 800, allowing the cold energy to directly contact the test tube 800, achieving a heat exchange effect far superior to air conduction. The cold source chamber 300 is isolated from the test tube 800 by liquid refrigerant, ensuring uniform conduction of cold energy through the medium and preventing uneven overcooling or temperature shocks caused by direct contact between the test tube 800 and the cold source.

[0029] In some implementations, such as Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the front of the enclosure 100 has an opening 130 that communicates with the interior of the cold source chamber 300. A drawer 400 is movably installed inside the cold source chamber 300. The drawer 400 slides through the opening 130 and is used to close the opening 130. The opening 130 allows for controlled communication between the cold source chamber 300 and the external environment. The drawer 400 allows for quick replacement of the cold source, enabling the liquid refrigerant to maintain a low temperature for an extended period, suitable for long-term experimental operations.

[0030] In this embodiment, the drawer 400 can slide within the cold source compartment 300 in the front-to-back direction. When the drawer 400 is pushed into the cold source compartment 300, its front end surface fits against or abuts the periphery of the opening 130 to seal the opening 130, creating a closed environment within the cold source compartment 300 and preventing external air exchange from affecting the temperature control effect of the cold source on the space inside the cabinet 100. When the user needs to replace the cold source or maintain the cold source compartment 300, they can directly pull out the drawer 400 to quickly access the cold source.

[0031] To ensure a tight seal between drawer 400 and opening 130, in some alternative embodiments, an annular seal, such as a foam strip or silicone sealing ring, may be provided on the front face of drawer 400. This seal contacts the periphery of opening 130 when drawer 400 is fully pushed in, thereby reducing the loss of cold air from the cold storage compartment 300 and improving overall insulation performance. The sealing structure also reduces gap deformation caused by drawer 400 vibration or repeated sliding, improving structural durability.

[0032] Preferably, the bottom and / or sidewalls of drawer 400 can be equipped with a sliding rail structure, including but not limited to slide grooves, ball bearing slides, or wear-resistant guide rails, to ensure that drawer 400 slides smoothly and stably, avoiding jamming, while also improving load-bearing capacity to meet the needs of heavy cold sources. The specific sliding fit structure can be chosen from various related structures in the existing technology, and will not be elaborated here. Furthermore, considering the frequent replacement of the cold source and the potential generation of condensation, in some optional configurations, the bottom of drawer 400 can also be equipped with a water collection tray or drainage structure to collect and drain any water droplets that may be generated on the surface of the cold source, preventing condensation from remaining in the cold source compartment 300 and affecting the equipment's lifespan or hygiene.

[0033] Preferably, such as Figure 1-3 and Figure 4-5 As shown, a handle 410 or other auxiliary device may be provided on the front surface of the drawer 400 to facilitate the user to quickly pull out the drawer 400 by hand.

[0034] In some implementations, such as Figure 4-6As shown, the top, bottom, left, right, and rear sides of the cold source compartment 300 are all equipped with refrigerant chambers 120. By providing a complete enclosure of the cold source compartment 300 with refrigerant chambers 120, when the cold source is placed inside, the outer surface of the cold source compartment 300 can simultaneously and fully exchange heat with the liquid refrigerant in multiple directions. The cold source compartment 300 can cool the liquid refrigerant to the target temperature in a short time, while significantly improving the uniformity of the temperature field within the refrigerant chambers 120, avoiding localized high temperatures that could affect the cold storage capacity, and achieving higher temperature uniformity and higher cold transfer efficiency within the refrigerant chambers 120. To improve heat exchange capacity, the walls of the drawer 400 and the cold source compartment 300 are preferably made of high thermal conductivity materials, such as aluminum plates, stainless steel plates, or copper.

[0035] In some implementations, such as Figure 4-7 As shown, the inner wall of the test tube receiving groove 210 is provided with a flexible layer 220. The flexible layer 220 is a thermally conductive material, meaning it is made of a thermally conductive material with a certain degree of flexibility and resilience. The primary purpose of the flexible layer 220 is to prevent hard contact between the test tube 800 and the test tube receiving groove 210. When the test tube 800 directly contacts the hard material of the test tube receiving groove 210, localized impacts are likely to occur during the insertion and removal of the test tube 800, which may cause scratches or even breakage on the surface of the glass test tube 800, which is detrimental to the safe preservation of the sample. By laying the flexible layer 220 on the inner wall of the test tube receiving groove 210, the test tube 800 can come into contact with the flexible layer 220 when inserted or removed, significantly reducing the mechanical impact caused by hard contact and improving the safety of the test tube 800 placement process.

[0036] Specifically, the flexible layer 220 can be made of thermally conductive silicone, elastomer polyurethane, flexible rubber, or other thermally conductive materials with elastic cushioning capabilities, giving the test tube receiving groove 210 a certain cushioning and covering capacity. When the test tube 800 is inserted into the test tube receiving groove 210, the flexible layer 220 can deform to adapt to the outer diameter of the test tube 800, so that the test tube 800 forms a stable covering fit in the receiving groove, preventing the test tube 800 from shaking or tilting on the support part 200 due to excessive gaps, thereby improving the placement stability of the test tube 800.

[0037] Because the flexible layer 220 is made of a material with certain thermal conductivity, it ensures an effective heat conduction path between the outer wall of the test tube 800 and the heat exchange zone 212 below the support part 200 while avoiding hard contact between the test tube 800 and the tank wall. After the flexible layer 220 is attached to the outer wall of the test tube 800, it reduces the presence of air gaps, thereby reducing thermal resistance and enabling the sample inside the test tube 800 to exchange heat quickly and uniformly with the liquid refrigerant in the refrigerant chamber 120.

[0038] In addition, the thickness of the flexible layer 220 can be set according to different application requirements, such as 1mm to 3mm, so that it can provide sufficient buffering capacity without reducing the heat conduction efficiency due to excessive thickness.

[0039] In some embodiments, the flexible layer 220 has several grooves extending along the axial direction of the test tube 800. These grooves extend downwards from the upper opening 130 of the test tube receiving groove 210 to the bottom of the groove where the heat exchange zone 212 is located, forming a continuous exhaust channel. When the test tube 800 is inserted into the test tube receiving groove 210, a contact interface is formed between the outer wall of the test tube 800 and the flexible layer 220. Without an exhaust structure, gas can easily accumulate between the bottom of the test tube 800 and the bottom of the receiving groove, resulting in a closed air layer that affects the normal insertion of the test tube 800 and the heat transfer efficiency between it and the heat exchange zone 212. By providing longitudinally extending grooves, a venting path can be provided for the gas at the bottom during the insertion of the test tube 800, allowing the gas to be discharged upwards along the groove direction. This not only improves the heat conduction efficiency between the bottom of the test tube 800 and the heat exchange zone 212 but also avoids the problem of "bounce" or uneven insertion caused by air resistance during the insertion of the test tube 800, improving the user experience.

[0040] In some implementations, such as Figure 8-14 As shown, the test tube insulator also includes a clamping mechanism 500, which includes a first clamping assembly 510 and a second clamping assembly 520 symmetrically distributed on both sides of the test tube receiving groove 210. The first clamping assembly 510 includes a first clamping arm 511, a second clamping arm 512, and a first elastic member 513. The two ends of the first clamping arm 511 are respectively connected to a first gear 514 and a first clamping part 515. The two ends of the second clamping arm 512 are respectively provided with a second gear 516 and a second clamping part 517. The first gear 514 meshes with the second gear 516. When the first gear 514 rotates, the first clamping part 515 and the second clamping part 516 are engaged. When the first gear 514 moves away from the first gear 514, the first elastic element 513 generates a damping force that resists the rotation of the first gear 514. The second clamping assembly 520 includes a third clamping arm 521, a fourth clamping arm 522, and a second elastic element 523. The two ends of the third clamping arm 521 are respectively connected to the third gear 524 and the third clamping part 525. The two ends of the fourth clamping arm 522 are respectively provided with the fourth gear 526 and the fourth clamping part 527. The third gear 524 meshes with the fourth gear 526. When the third gear 524 rotates and the third clamping part 525 and the fourth clamping part 527 move away from each other, the second elastic element 523 generates a damping force that resists the rotation of the third gear 524.

[0041] The clamping mechanism 500 is used to firmly clamp the test tube 800 in the test tube receiving groove 210, thereby preventing the test tube 800 from shaking or falling off during insertion, handling or extraction, and improving operational safety and reliability.

[0042] The first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527 are distributed around the axis of the test tube receiving groove 210, and are used to directly contact the outer wall of the test tube 800 to form a clamping effect on the test tube 800. Figure 8 The four-point contact clamping is shown. The first gear 514 meshes with the second gear 516 to form a gear linkage structure, such that when the first gear 514 rotates, the first clamping part 515 and the second clamping part 517 simultaneously move away from or towards the test tube 800 in opposite directions; the third gear 524 meshes with the fourth gear 526 to form a gear linkage structure, such that when the third gear 524 rotates, the third clamping part 525 and the fourth clamping part 527 simultaneously move away from or towards the test tube 800 in opposite directions. When the first gear 514 rotates, causing the first clamping part 515 and the second clamping part 517 to move away from each other, the first elastic member 513 generates a damping force that resists the rotation of the first gear 514, so that the first clamping part 515 and the second clamping part 517 exert a certain clamping force on the test tube 800. Similarly, when the third gear 524 rotates, causing the third clamping part 525 and the fourth clamping part 527 to move away from each other, the second elastic member 523 generates a damping force that resists the rotation of the third gear 524, so that the third clamping part 525 and the fourth clamping part 527 exert a certain clamping force on the test tube 800, thereby preventing the test tube 800 from shaking.

[0043] Specifically, in its natural state, the space formed between the first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527 is insufficient to accommodate the test tube 800. That is, in its natural state, the four clamping parts will slightly approach each other, forming a gap smaller than the outer diameter of the test tube 800. Therefore, during insertion, the test tube 800 will inevitably interfere with the first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527. Since the bottom of the test tube 800 has a spherical or curved structure, the bottom of the test tube 800 will first enter the space formed between the first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527. As the test tube 800 continues to be inserted, its outer wall will contact and compress the space formed between the first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527. The test tube 800 is equipped with a first clamping part 515, a second clamping part 517, a third clamping part 525, and a fourth clamping part 527. During the insertion of the test tube 800, the outer wall of the test tube 800 pushes the first clamping part 515 and the second clamping part 517 apart, and also pushes the third clamping part 525 and the fourth clamping part 527 apart. This process overcomes the elastic restoring force (i.e., damping force) of the first elastic element 513 and the second elastic element 523. Therefore, after the test tube 800 is inserted, under the action of the first elastic element 513 and the second elastic element 523, the first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527 exert a certain clamping force on the test tube 800, achieving stable clamping of the test tube 800. When the test tube 800 is pulled out, the first clamping part 515, the second clamping part 517, the third clamping part 525 and the fourth clamping part 527 will be reset to their natural state under the action of the first elastic member 513 and the second elastic member 523.

[0044] Through the design of the clamping mechanism 500, the first clamping component 510 and the second clamping component 520 are symmetrically arranged on both sides of the test tube receiving groove 210. This not only provides guidance during the insertion of the test tube 800, but also stabilizes the test tube 800 during handling and transportation, preventing it from tilting, colliding, or falling off. Simultaneously, the gear linkage and elastic element design ensures smooth and controllable clamping action, providing a stable clamping force and improving the operating feel.

[0045] In some implementations, such as Figure 8 and 9 As shown, the first clamping arm 511 has a first gear 514 at one end connected to a first connecting arm 518, the third clamping arm 521 has a third gear 524 at one end connected to a second connecting arm 528, the first elastic member 513 is a spring connected to the first connecting arm 518, and the second elastic member 523 is a spring connected to the second connecting arm 528.

[0046] A lever structure is formed by the first clamping arm 511, the first gear 514 and the first connecting arm 518, and a lever is formed by the third clamping arm 521, the third gear 524 and the second connecting arm 528. This structure can effectively convert the forces of the first elastic element 513 and the second elastic element 523 into the rotation process of the first clamping assembly 510 and the second clamping assembly 520, as well as the clamping force of each clamping part on the test tube 800.

[0047] In some implementations, such as Figure 1-14 As shown, the test tube incubator also includes a mounting bracket 600 detachably mounted on the support portion 200. The mounting bracket 600 includes an upper fixing plate 610 and a lower fixing plate 620 arranged in parallel. The upper fixing plate 610 has an upper through hole 611 that is directly opposite to the test tube receiving groove 210, and the lower fixing plate 620 has a lower through hole 621 that is directly opposite to the test tube receiving groove 210. The clamping mechanism 500 is mounted on the mounting bracket 600 and located between the upper fixing plate 610 and the lower fixing plate 620.

[0048] When the test tube 800 is inserted into the test tube receiving groove 210, it enters the clamping area of ​​the clamping mechanism 500 through the upper through hole 611, then passes through the lower through hole 621, and then enters the test tube receiving groove 210. The clamping mechanism 500 forms a four-point clamping of the test tube 800 through the first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527. At the same time, it provides a stable clamping force through gear linkage and elastic elements, thereby preventing the test tube 800 from shaking or falling off during handling or operation.

[0049] Preferably, the mounting bracket 600 can be fixed to the support part 200 by screws, clips or sliding embedding, so that when the clamping mechanism 500 needs to be maintained or replaced, the mounting bracket 600 can be removed from the support part 200, making the clamping mechanism 500 easy to disassemble and maintain without disassembling the entire test tube insulated box body 100 or the support part 200.

[0050] Furthermore, the distance between the upper fixing plate 610 and the lower fixing plate 620 can be adjusted according to the height of the test tube 800 and the structure of the clamping mechanism 500 to accommodate test tubes 800 of different sizes, thereby ensuring that the clamping mechanism 500 can provide reliable clamping force for various test tube 800 sizes. The design of the mounting bracket 600 not only facilitates the installation and maintenance of the clamping mechanism 500 but also improves the modularity of the entire test tube insulation box, making production, assembly, and subsequent maintenance easier.

[0051] In some preferred embodiments, a mounting bracket 600 may integrate multiple clamping mechanisms 500. Specifically, in a test tube incubator, the test tube receiving slots 210 are arranged in several rows and columns, for example, as shown in... Figure 1-3The arrangement shown is 3×3, meaning each row includes 3 test tube receiving slots 210, for a total of three rows. In this embodiment, as... Figure 10-13 As shown, a common mounting bracket 600 can be used for the three test tube receiving slots 210 in each row. Each mounting bracket 600 integrates three clamping mechanisms 500, corresponding to the three test tube receiving slots 210 respectively, thus providing stable clamping for the test tube receiving slots 210 in each row. The entire test tube insulation box has three mounting brackets 600 on its supporting part 200, corresponding to the three rows of test tube receiving slots 210 respectively. Each mounting bracket 600 can be fixed to the supporting part 200 by screws, clips, or sliding embedding, and can be disassembled for maintenance or replacement of the clamping mechanisms 500 when needed. This design reduces the number of mounting brackets 600, lowering manufacturing costs, while ensuring that each test tube receiving slot 210 is equipped with an independent clamping mechanism 500, achieving four-point stable clamping of the test tubes 800, while providing reliable guidance and protection.

[0052] In some implementations, such as Figure 14 As shown, the bracket is provided with a first rotating shaft 631, a second rotating shaft 632, a third rotating shaft 633 and a fourth rotating shaft 634, a first fixed post 635 and a second fixed post 636. A first gear 514 is rotatably mounted on the first rotating shaft 631, a second gear 516 is rotatably mounted on the second rotating shaft 632, a third gear 524 is rotatably mounted on the third rotating shaft 633, and a fourth gear 526 is rotatably mounted on the fourth rotating shaft 634. The two ends of the first elastic member 513 are respectively connected to the first connecting arm 518 and the first fixed post 635, and the two ends of the second elastic member 523 are respectively connected to the second fixed post 636.

[0053] The first rotating shaft 631, the second rotating shaft 632, the third rotating shaft 633, and the fourth rotating shaft 634 are fixedly mounted on the mounting bracket 600. The gears rotate on their respective shafts without interfering with each other, ensuring the reliability and stability of the gear linkage structure. The first fixed post 635 and the second fixed post 636 serve as fixing points for the elastic element, providing a reverse pulling force. This allows the elastic element to generate a controllable damping force during the insertion or removal of the test tube 800, thereby ensuring the clamping mechanism 500 firmly clamps the test tube 800. Through this design, the clamping mechanism 500 can form a modular combination structure on the mounting bracket 600, facilitating repeated arrangement in different rows and columns of the test tube insulation box. Furthermore, the mounting bracket 600 can be disassembled for maintenance or replacement when necessary, thus achieving a modular, detachable, and highly reliable clamping solution.

[0054] Preferably, such as Figure 10-14As shown, the upper surface of the upper fixing plate 610 is provided with bosses 630 on both sides of the lower through hole 621. The first rotating shaft 631, the second rotating shaft 632, the third rotating shaft 633, the fourth rotating shaft 634, the first fixing post 635, and the second fixing post 636 are all provided on the bosses 630. That is, the provision of the bosses 630 makes a gap between the clamping mechanism 500 and the lower fixing plate 620, so as to avoid excessive interference or friction between the rotating parts in the clamping structure and the upper fixing plate 610 and the lower fixing plate 620. Furthermore, even if the dimensions of the first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527 are appropriately lengthened in the vertical direction, they will not interfere with the upper fixing plate 610 and the lower fixing plate 620. After the dimensions of the first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527 are lengthened, they can make better contact with the outer wall of the test tube 800, thereby improving the clamping effect. The first clamping part 515, the second clamping part 517, the third clamping part 525, and the fourth clamping part 527 are preferably vertically arranged cylindrical elastic bodies, which form a compression contact with the outer wall of the test tube 800 through the cylindrical surface.

[0055] In some implementations, such as Figure 1-5 As shown, a mounting groove 230 is provided on the support portion 200, and the mounting bracket 600 is detachably disposed within the mounting groove 230. The shape and size of the mounting groove 230 match the mounting bracket 600, allowing the mounting bracket 600 to be detachably embedded within the mounting groove 230. The mounting bracket 600 can be secured to the mounting groove 230 by sliding, snapping, or bolting, achieving a stable installation. Furthermore, when maintenance or replacement of the clamping mechanism 500 is required, the bracket can be easily removed from the mounting groove 230. By providing the mounting groove 230 on the support portion 200, the accurate and secure positioning of the mounting bracket 600 after insertion is ensured, while maintaining a small gap between the bracket and the support portion 200 to accommodate thermal expansion or contraction, avoiding stress concentration caused by direct fixation. Moreover, embedding the mounting bracket 600 within the support portion 200 reduces the overall height of the product. The mounting slot 230 and the bracket can also achieve a modular design, so that multiple clamping mechanisms 500 can be flexibly arranged on the support part 200 according to the arrangement order of the test tube receiving slot 210, thereby forming a unified, detachable and maintainable clamping module in the test tube insulation box.

[0056] In some implementations, such as Figure 2As shown, the test tube insulated box includes a lid 700, which is used to open or close the opening 110. The lid 700 can cooperate with the box body 100 through hinges, slide rails, or detachable buckles to realize the opening and closing operation of the opening 110. For example, the lid 700 can be opened or closed by rotating along the hinge. When the lid 700 is closed, it forms a sealed fit with the box body 100, which can prevent outside air from flowing into the box body 100, thereby maintaining a stable temperature above the support part 200 and reducing heat loss. A sealing strip can be provided on the inner side of the lid 700 as needed to further improve the sealing effect.

[0057] Preferably, the lid 700 may be equipped with a handle or opening / closing aid to facilitate quick opening or closing of the lid 110. In some embodiments, the lid 700 and the box body 100 can also be locked together to prevent accidental opening of the lid 700 during handling or transportation, ensuring the safety of the test tubes 800 inside the box. Furthermore, the lid 700 can be made of a transparent material, allowing observation of the test tubes 800 inside the box without opening the lid 700, thereby improving operational convenience and safety.

[0058] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “” used herein may also indicate the inclusion of the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated, unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0059] Although terms such as "first," "second," etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0060] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A test tube insulator, characterized in that, include: The box body (100) has an opening (110) formed on its top. A support part (200) is disposed inside the box (100). The support part (200) and the box (100) together form a refrigerant cavity (120). The support part (200) is provided with a plurality of test tube receiving slots (210). The test tube receiving slots (210) include a support area (211) penetrating the support part (200) and a heat exchange area (212) protruding from the lower surface of the support part (200). The heat exchange area (212) extends completely into the refrigerant cavity (120). The refrigerant cavity (120) is configured to be filled with liquid refrigerant. A cold source compartment (300) is connected to the housing (100) and located within the refrigerant chamber (120). The cold source compartment (300) is configured to store a cold source for heat exchange with the liquid refrigerant in the refrigerant chamber (120).

2. The test tube insulator according to claim 1, characterized in that, The front side of the housing (100) has an opening (130) that communicates with the interior of the cold source compartment (300). A drawer (400) is movably arranged inside the cold source compartment (300). The drawer (400) slides with the cold source compartment (300) through the opening (130) and is used to close the opening (130).

3. The test tube insulator according to claim 2, characterized in that, The cold source compartment (300) has refrigerant chambers (120) on its upper and lower sides, left and right sides, and rear side.

4. The test tube insulator as described in claim 1, characterized in that, The inner wall of the test tube receiving groove (210) is provided with a flexible layer (220), which is a thermally conductive material.

5. The test tube insulator as described in claim 1, characterized in that, It also includes a clamping mechanism (500), which includes a first clamping component (510) and a second clamping component (520) symmetrically distributed on both sides of the test tube receiving groove (210). The first clamping assembly (510) includes a first clamping arm (511), a second clamping arm (512), and a first elastic member (513). The first clamping arm (511) is connected to a first gear (514) and a first clamping part (515) at both ends. The second clamping arm (512) is provided with a second gear (516) and a second clamping part (517) at both ends. The first gear (514) meshes with the second gear (516). When the first gear (514) rotates and causes the first clamping part (515) and the second clamping part (517) to move away from each other, the first elastic member (513) generates a damping force that resists the rotation of the first gear (514). The second clamping assembly (520) includes a third clamping arm (521), a fourth clamping arm (522), and a second elastic member (523). The two ends of the third clamping arm (521) are respectively connected to a third gear (524) and a third clamping part (525). The two ends of the fourth clamping arm (522) are respectively provided with a fourth gear (526) and a fourth clamping part (527). The third gear (524) meshes with the fourth gear (526). When the third gear (524) rotates, causing the third clamping part (525) and the fourth clamping part (527) to move away from each other, the second elastic member (523) generates a damping force that hinders the rotation of the third gear (524).

6. The test tube insulator according to claim 5, characterized in that, The first clamping arm (511) is provided with a first connecting arm (518) at one end of the first gear (514), and the third clamping arm (521) is provided with a second connecting arm (528) at one end of the third gear (524). The first elastic element (513) is a spring connected to the first connecting arm (518), and the second elastic element (523) is a spring connected to the second connecting arm (528).

7. The test tube insulator according to claim 6, characterized in that, It also includes a mounting bracket (600) detachably mounted on the support portion (200). The mounting bracket (600) includes an upper fixing plate (610) and a lower fixing plate (620) arranged in parallel. The upper fixing plate (610) has an upper through hole (611) facing the test tube receiving groove (210). The lower fixing plate (620) has a lower through hole (621) facing the test tube receiving groove (210). The clamping mechanism (500) is mounted on the mounting bracket (600) and located between the upper fixing plate (610) and the lower fixing plate (620).

8. The test tube insulator according to claim 7, characterized in that, The mounting bracket (600) is provided with a first rotating shaft (631), a second rotating shaft (632), a third rotating shaft (633) and a fourth rotating shaft (634), a first fixed post (635) and a second fixed post (636). The first gear (514) is rotatably mounted on the first rotating shaft (631), the second gear (516) is rotatably mounted on the second rotating shaft (632), the third gear (524) is rotatably mounted on the third rotating shaft (633), and the fourth gear (526) is rotatably mounted on the fourth rotating shaft (634). The two ends of the first elastic member (513) are respectively connected to the first connecting arm (518) and the first fixed post (635), and the two ends of the second elastic member (523) are respectively connected to the second fixed post (636).

9. The test tube insulator according to claim 7, characterized in that, The support portion (200) is provided with a mounting groove (230), and the mounting bracket (600) is detachably disposed in the mounting groove (230).

10. The test tube incubator according to any one of claims 1-9, characterized in that, It also includes a lid (700) for opening or closing the opening (110).

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