Stem cell storage device with adjustable space

Abstract

The utility model discloses a space-adjustable stem cell storage device, and relates to the technical field of stem cell storage devices. The test tube box comprises a heat preservation box, a box cover, a refrigeration assembly, a limiting plate and a supporting plate, the box cover is arranged at the upper end of the heat preservation box, a base for placing the refrigeration assembly is arranged at the bottom end in the heat preservation box, and the limiting plate and the supporting plate for placing test tubes are arranged in the heat preservation box. Through the adjustable limiting plate and the tray, the size of the space for placing the test tube can be adjusted according to the length of the test tube, and in consideration of the stability of the test tube during placement, the rubber abutting ring is arranged in the middle of the limiting plate to increase the friction force of the contact surface of the limiting plate and the test tube; a limiting support is designed at the upper end of the supporting plate, and a plurality of elastic abutting pieces at the upper end of the limiting support abut against the bottoms of the test tubes, so that the test tubes are fixed, and the stability when the test tubes are placed is improved.

Description

Technical Field

[0001] This utility model belongs to the field of stem cell storage devices, specifically, it relates to a space-adjustable stem cell storage device. Background Technology

[0002] Stem cells are a type of cell that originates from embryos, fetuses, or adults and has the ability to self-renew, proliferate, and differentiate without limitation under certain conditions. They can produce daughter cells with the same phenotype and genotype as themselves, as well as specialized cells that make up the body's tissues and organs, and can also differentiate into progenitor cells.

[0003] After stem cells are extracted, they are usually placed in test tubes. If the test tubes are placed directly at room temperature, it will affect the activity of the stem cells. Therefore, the test tubes need to be placed in a storage device. There are many different storage devices on the market, but they lack the ability to adjust the internal space of the device, cannot be adjusted according to the length of the test tube, and the placement of the test tube is not stable enough. In view of this, this utility model is proposed. Utility Model Content

[0004] The technical problem to be solved by this invention is to overcome the shortcomings of the prior art and provide a space-adjustable stem cell storage device.

[0005] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0006] An adjustable stem cell storage device includes an insulated box, a lid, a refrigeration component, a limiting plate, and a tray. The insulated box has a lid at its upper end and a base for placing the refrigeration component at its lower interior. The insulated box has a limiting plate and a tray for placing test tubes inside. One side of the limiting plate and the tray is fixed with a first guide block adapted to a first guide rail. The first guide rail is fixed to one side of the interior of the insulated box. The other side of the limiting plate and the tray extends into the interior of the drive seat and is fixed to the outside of the threaded sleeve. Two threaded sleeves are respectively installed on the outside of the two ends of a double-ended reciprocating screw. One end of the double-ended reciprocating screw is rotatably connected to the top of the drive seat through a bearing, and the other end of the double-ended reciprocating screw is fixed to the output shaft of a small motor inside the drive seat.

[0007] The upper end of the limiting plate is provided with reserved holes for placing test tubes at equal intervals. Each reserved hole is provided with a rubber contact ring inside. Each test tube is provided with a test tube plug at the upper end. The upper end of the tray is fixed with limiting supports for placing the bottom of the test tubes at equal intervals.

[0008] Optionally, a clearance groove is provided on one side of the drive seat for longitudinal movement of the limiting plate and the support plate. A second guide rail for two second guide blocks is fixed inside the drive seat. The two second guide blocks are respectively fixed to the other side of two threaded sleeves by screws. A dustproof bellows plate is provided inside the clearance groove.

[0009] Optionally, each of the limiting holders has multiple elastic abutments arranged in a ring at its upper end, and each elastic abutment is covered with a rubber sleeve that contacts the outer wall of the test tube.

[0010] Optionally, the bottom of the insulated box is provided with an embedding groove for fixing the base plate. A dustproof net is fixed in the middle of the base plate, and the embedding groove is connected to the interior of the base. A semiconductor cooling chip is fixed inside the base. The cooling chip of the semiconductor cooling chip is attached to the cold conductive plate through thermal grease, and the cold conductive plate is fixed to the upper surface of the base.

[0011] Optionally, the heating surface of the thermoelectric cooler is attached to the heat dissipation fins with thermal grease, and multiple heat dissipation fans are provided at the lower end of the heat dissipation fins. The housings of the heat dissipation fans are fixed to the base with screws. One end of the thermoelectric cooler passes through the base and the insulation box with a wire and is connected to a controller on one side of the insulation box.

[0012] Optionally, the lid is movably connected to a pressure plate for abutting the test tube stopper, and the lid has a cavity for longitudinal movement of the pressure plate. A return spring abuts between the cavity and the pressure plate, and a handle is hinged to the upper end of the lid.

[0013] Optionally, both sides of the box cover and the insulated box are fixed with mating strips for the snap-fit ​​of the i-shaped strips. Each side has a fixing hole through the middle of the two mating strips for the pin head of the spring pin to pass through, and the spring pin is installed at the upper end of the i-shaped strip.

[0014] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time:

[0015] This invention utilizes an adjustable limiting plate and tray to allow the device to adjust the space for placing test tubes according to their length. Specifically, a small motor drives a double-ended reciprocating screw, which in turn rotates two threaded sleeves. During rotation, the first and second guide rails, in conjunction with the first and second guide blocks, guide the limiting plate and tray, causing them to move closer or further apart along the outside of the double-ended reciprocating screw. This allows the distance between the limiting plate and the tray to be adjusted according to the test tube's length. To ensure stability during test tube placement, a rubber abutment ring is incorporated in the middle of the limiting plate to increase friction between the limiting plate and the test tube. A limiting support is designed at the upper end of the tray, with multiple elastic abutment elements at its upper end contacting the bottom of the test tube to secure it and improve stability. Further considering test tube stability, a pressure plate and a return spring are used to abut the test tube plug at the top of the test tube, ensuring a tight seal between the plug and the test tube.

[0016] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0017] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings:

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the combined component structure of the limiting support, rubber sleeve, and elastic abutment in this utility model;

[0020] Figure 3 for Figure 1 A schematic diagram of the structure of part A in the diagram;

[0021] Figure 4 for Figure 1 A schematic diagram of the structure of part B in the diagram;

[0022] Figure 5 for Figure 1 A schematic diagram of the structure of part C in the diagram;

[0023] Figure 6 for Figure 1 A schematic diagram of the structure of part D in the diagram.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Insulated box; 2. Box lid; 3. Base; 4. Limiting plate; 5. Support plate; 6. First guide rail; 7. First guide block; 8. Drive seat; 9. Threaded sleeve; 10. Double-ended reciprocating screw; 11. Small motor; 12. Rubber contact ring; 13. Test tube stopper; 14. Limiting support; 15. Second guide block; 16. Second guide rail; 17. Dustproof bellows plate; 18. Elastic contact element; 19. Rubber sleeve; 20. Base plate; 21. Dustproof net; 22. Semiconductor cooling chip; 23. Cooling plate; 24. Heat dissipation fins; 25. Cooling fan; 26. Controller; 27. Pressure plate; 28. Return spring; 29. ​​Handle; 30. C-shaped strip; 31. Connecting strip; 32. Spring pin.

[0026] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings.

[0028] Please see Figures 1 to 6 This utility model provides a technical solution: a space-adjustable stem cell storage device, including an insulated box 1, a box cover 2, a refrigeration component, a limiting plate 4, and a tray 5. The upper end of the insulated box 1 is provided with a box cover 2. The bottom of the insulated box 1 is provided with a base 3 for placing the refrigeration component. The insulated box 1 is provided with a limiting plate 4 and a tray 5 for placing test tubes. One side of the limiting plate 4 and the tray 5 is fixed with a first guide block 7 adapted to a first guide rail 6. The first guide rail 6 is fixed to one side of the insulated box 1. The other side of the limiting plate 4 and the tray 5 extends into the interior of the drive seat 8 and is fixed to the outside of the threaded sleeve 9. The two threaded sleeves 9 are respectively installed on the outside of the two ends of the double-ended reciprocating screw 10. One end of the double-ended reciprocating screw 10 is rotatably connected to the top of the drive seat 8 through a bearing. The other end of the double-ended reciprocating screw 10 is fixed to the output shaft of the small motor 11 inside the drive seat 8.

[0029] The upper end of the limiting plate 4 has pre-drilled holes for placing test tubes at equal intervals. Each pre-drilled hole is equipped with a rubber contact ring 12. Each test tube has a test tube plug 13 at its upper end. The upper end of the tray 5 is fixed with limiting supports 14 for placing the bottom of the test tubes at equal intervals. Considering that the internal space of the existing device lacks the ability to be adjusted according to the length of the test tubes, and the placement of the test tubes is not stable enough, this utility model uses an adjustable limiting plate 4 and a tray to allow the device to adjust the space for placing test tubes according to the length of the test tubes. That is, the small motor 11 drives the double-headed reciprocating screw 10 to drive the two threaded sleeves 9 to rotate. During the rotation of the threaded sleeves 9, the first guide rail 6 and the second guide rail 16 cooperate with the first guide block 7 and the second guide block 15 to guide the rotation. This allows the limiting plate 4 and the support plate 5 to move closer or further apart along the outside of the double-headed reciprocating screw 10, thus enabling the distance between the limiting plate 4 and the support plate 5 to be adjusted according to the length of the test tube. Considering the stability of the test tube during placement, a rubber abutment ring 12 is set in the middle of the limiting plate 4 to increase the friction between the limiting plate 4 and the contact surface of the test tube. A limiting support 14 is designed at the upper end of the support plate 5, and multiple elastic abutment members 18 at the upper end of the limiting support 14 abut against the bottom of the test tube, thereby fixing the test tube and improving the stability of the test tube during placement. To further consider the stability of the test tube, the pressure plate 27, in conjunction with the return spring 28, abuts against the test tube plug 13 at the upper end of the test tube, further ensuring the sealing between the test tube plug 13 and the test tube.

[0030] The drive seat 8 has a clearance groove on one side for the longitudinal movement of the limiting plate 4 and the support plate 5. The drive seat 8 has a second guide rail 16 for two second guide blocks 15 fixed inside. The two second guide blocks 15 are fixed to the other side of the two threaded sleeves 9 by screws. The clearance groove has a dustproof bellows plate 17 inside. The second guide blocks 15, together with the second guide rails, guide the threaded sleeves 9.

[0031] Each limiting support 14 has multiple elastic abutment members 18 arranged in a ring at its upper end. Each elastic abutment member 18 is covered with a rubber sleeve 19 that contacts the outer wall of the test tube. The rubber sleeve 19 protects the contact surface between each elastic abutment member 18 and the test tube, preventing the elastic abutment member from rigidly contacting the surface of the test tube. The rubber sleeve 19 protects the test tube.

[0032] The bottom of the incubator 1 has an embedded groove for fixing the base plate 20. A dustproof net 21 is fixed in the middle of the base plate 20, and the embedded groove is connected to the inside of the base 3. A semiconductor cooling chip 22 is fixed inside the base 3. The cooling chip of the semiconductor cooling chip 22 is attached to the cooling plate 23 through thermal grease, and the cooling plate 23 is fixed to the upper surface of the base 3. By setting the dustproof net 21, external dust is prevented from entering the embedded groove. The semiconductor cooling chip 22 and the cooling plate 23 together provide cooling for the inside of the incubator 1, ensuring that the stem cells inside the test tube will not be affected by excessive temperature.

[0033] In this design, the heating surface of the thermoelectric cooler 22 is attached to the heat sink fins 24 with thermal grease. Multiple cooling fans 25 are provided at the lower end of the heat sink fins 24, and the housings of the cooling fans 25 are fixed to the base 3 with screws. One end of the thermoelectric cooler 22 is connected to the base 3 and the insulation box 1 through a wire and connected to the controller 26 on one side of the insulation box 1. The controller 26 facilitates the user to control the cooling temperature of the thermoelectric cooler 22. In the future, the controller 26 can be a controller with temperature control function. Since the controller 26 adjusts the thermoelectric cooler 22, this technology is not described in detail in this article.

[0034] The lid 2 has a pressure plate 27 inside that abuts against the test tube stopper 13. The lid 2 has a cavity inside that allows the pressure plate 27 to move longitudinally. A return spring 28 abuts against the cavity and the pressure plate 27. A handle 29 is hinged to the upper end of the lid 2. The pressure plate 27 and the return spring 28 play an auxiliary role in fixing the test tube and the test tube stopper 13, thereby ensuring the airtightness between the test tube and the test tube stopper 13.

[0035] Both sides of the lid 2 and the insulated box 1 are fixed with connecting strips 31 for the snap-fit ​​of the inverted strips 30. Each side has a fixing hole through the middle of the two connecting strips 31 for the pin head of the spring pin 32 to pass through. The spring pin 32 is installed on the upper end of the inverted strip 30. The spring pin, the inverted strip 30 and the connecting strips 31 work together to fix the insulated box 1 and the lid 2. When the lid 2 needs to be opened, the pulling end of the spring pin is pulled, and then the inverted strip 30 snapped on the outside of the two connecting strips 31 can be pulled out, which is very convenient.

[0036] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.

Claims

1. A space-adjustable stem cell storage device, comprising an insulated box (1), a box lid (2), a cooling assembly, a limiting plate (4), and a tray (5), characterized in that, The upper end of the heat preservation box (1) is provided with a box cover (2). The bottom of the heat preservation box (1) is provided with a base (3) for placing the refrigeration components. The inside of the heat preservation box (1) is provided with a limiting plate (4) and a tray (5) for placing test tubes. One side of the limiting plate (4) and the tray (5) is fixed with a first guide block (7) that is adapted to the first guide rail (6). The first guide rail (6) is fixed inside the heat preservation box (1). The other side of the limiting plate (4) and the tray (5) both penetrate into the inside of the drive seat (8) and are fixed to the outside of the threaded sleeve (9). The two threaded sleeves (9) are respectively installed on the outside of the two ends of the double-headed reciprocating screw (10). One end of the double-headed reciprocating screw (10) is rotatably connected to the top of the drive seat (8) through a bearing. The other end of the double-headed reciprocating screw (10) is fixed to the output shaft of the small motor (11) inside the drive seat (8). The upper end of the limiting plate (4) is provided with reserved holes for placing test tubes at equal intervals. Each reserved hole is provided with a rubber contact ring (12). Each test tube is provided with a test tube plug (13) at the upper end. The upper end of the tray (5) is fixed with a limiting tray (14) for placing the bottom of the test tube at equal intervals.

2. The space-adjustable stem cell storage device according to claim 1, characterized in that, The drive seat (8) has a clearance groove on one side for longitudinal movement of the limiting plate (4) and the support plate (5). The drive seat (8) has a second guide rail (16) for two second guide blocks (15) fixed inside. The two second guide blocks (15) are fixed to the other side of two threaded sleeves (9) by screws. The clearance groove has a dustproof bellows plate (17) inside.

3. The space-adjustable stem cell storage device according to claim 1, characterized in that, Each of the limiting holders (14) has a plurality of elastic abutments (18) arranged in a ring at its upper end, and each elastic abutment (18) is covered with a rubber sleeve (19) that contacts the outer wall of the test tube.

4. The space-adjustable stem cell storage device according to claim 1, characterized in that, The bottom of the heat preservation box (1) is provided with an embedding groove for fixing the base plate (20). A dustproof net (21) is fixed in the middle of the base plate (20), and the embedding groove is connected to the interior of the base (3). A semiconductor cooling chip (22) is fixed inside the base (3). The cooling chip of the semiconductor cooling chip (22) is attached to the cold conductive plate (23) through thermal grease, and the cold conductive plate (23) is fixed on the upper surface of the base (3).

5. The space-adjustable stem cell storage device according to claim 4, characterized in that, The heating surface of the semiconductor cooling chip (22) is attached to the heat dissipation fins (24) by thermally conductive silicone grease. Multiple heat dissipation fans (25) are provided at the lower end of the heat dissipation fins (24), and the housing of the heat dissipation fans (25) is fixed to the base (3) by screws. One end of the semiconductor cooling chip (22) passes through the base (3) and the heat preservation box (1) through a wire and is connected to the controller (26) on one side of the heat preservation box (1).

6. The space-adjustable stem cell storage device according to claim 1, characterized in that, The inside of the box cover (2) is movably connected to a pressure plate (27) for abutting the test tube stopper (13). The inside of the box cover (2) is provided with a cavity for longitudinal movement of the pressure plate (27). A return spring (28) abuts between the cavity and the pressure plate (27). A handle (29) is hinged to the upper end of the box cover (2).

7. The space-adjustable stem cell storage device according to claim 1, characterized in that, Both sides of the box cover (2) and the insulated box (1) are fixed with connecting strips (31) for the snap-fit ​​of the shaped strip (30). The middle of each of the two connecting strips (31) is provided with a fixing hole for the pin head of the spring pin (32) to pass through, and the spring pin (32) is installed at the upper end of the shaped strip (30).

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