Layered test tube rack with adjustable intervals

Abstract

The utility model relates to the technical field of test tube racks, in particular to an interval-adjustable layered test tube rack which comprises a test tube rack body, two groups of clamping grooves are symmetrically and fixedly connected to the left end and the right end of the inner wall of the test tube rack body, a lower test tube inserting disc and an upper bearing disc are arranged in the clamping grooves, and the upper test tube inserting disc is rotationally connected to the front end of the lower test tube inserting disc through a damping rotating shaft; through the use of the upper test tube inserting disc and the connecting columns, the connecting columns are loosened to slide outwards under the elastic action of the springs to be fixed with the test tube rack body, the connection stability is high, the disassembly and the assembly are convenient, and when the upper test tube inserting disc and the lower bearing disc are in a closed mode, conventional test tubes are stored, and when the upper test tube inserting disc and the lower bearing disc are in a horizontal unfolding mode, the test tubes are stored. When the device is adjusted to be in an inclined mode, the device is used for layered liquid extraction or precipitation observation, the device is suitable for various mode use scenes, functionality is improved, overall storage and adjustment are convenient, and the applicability and the space utilization rate are improved.

Description

A layered test tube rack with adjustable spacing Technical Field

[0001] This utility model relates to the field of test tube rack technology, and in particular to a layered test tube rack with adjustable spacing. Background Technology

[0002] Test tube racks are one of the most basic and indispensable tools in the laboratory. They are used to neatly and orderly store test tubes to facilitate the collection, testing, observation and storage of samples in the test tubes. Their design directly serves the convenience, safety and efficiency of experimental operations.

[0003] Existing tiered test tube racks have a relatively simple structure with fixed layer heights, making them unsuitable for test tubes of different heights. The spacing is difficult to adjust, and disassembly and assembly are cumbersome, time-consuming, and labor-intensive. They are only used for vertically placing test tubes and lack adaptable designs for tilting, low-temperature, or shaking experiments. Their functions are limited, small test tube racks have limited space and are difficult to expand, while large test tube racks take up a lot of space and are inconvenient to store.

[0004] Therefore, to address the problems of existing layered test tube racks having difficulty adjusting the spacing height, limited functionality, limited space, and difficulty in expansion, a layered test tube rack with adjustable spacing can be designed. Summary of the Invention

[0005] To overcome the problems of existing tiered test tube racks, such as difficulty in adjusting the spacing height, limited functionality, space constraints, and difficulty in expansion.

[0006] The technical solution of this utility model is as follows: a layered test tube rack with adjustable intervals, including a test tube rack body; it also includes an upper test tube insert plate and a connecting column. Two sets of slots are symmetrically fixedly connected to the left and right ends of the inner wall of the test tube rack body. The slots are provided with a lower test tube insert plate and an upper support tray. The front end of the lower test tube insert plate is rotatably connected to the upper test tube insert plate through a damping shaft. The front end of the upper support tray is rotatably connected to the lower support tray through a damping shaft. Adjustment slots are symmetrically opened at the left and right ends of the lower test tube insert plate and the upper support tray. A spring is fixedly connected inside the adjustment slot. The end of the spring away from the adjustment slot is fixedly connected to the connecting column. A placement rack is slidably connected to the left end of the test tube rack body.

[0007] Preferably, the test tubes are grouped according to their size specifications, and the upper test tube insert and lower support tray are opened or closed according to the number of test tubes in each group. According to the height of the test tubes, the lower test tube insert and upper support tray of each group are slid into the test tube rack body along the slots to divide the interior of the test tube rack body. The test tubes are inserted into the lower test tube insert, and the upper support tray is supported. The connecting column is loosened so that it slides outward under the elastic force of the spring and is fixed to the test tube rack body. The rack can be pulled out to place cooling devices such as ice packs.

[0008] Preferably, each set of slots has seven slots evenly spaced, and the left and right ends of the lower test tube insert plate and the upper support tray are slidably connected to the slots, with the lower test tube insert plate and the upper test tube insert plate being compatible with each other, and the upper support tray and the lower support tray being compatible with each other.

[0009] Preferably, the upper ends of both the lower and upper test tube inserts are provided with four sets of insertion holes at equal intervals, with six insertion holes in each set at equal intervals, and each insertion hole is fixedly connected with an elastic silicone ring.

[0010] Preferably, the upper and lower support trays are provided with support grooves at their opposite ends, and the diameter of the support grooves is smaller than the diameter of the elastic silicone ring.

[0011] Preferably, two sets of connecting slots are symmetrically provided on both the left and right ends of the inner wall of the test tube rack body, and on the front side of the slot, with seven connecting slots evenly distributed in each set.

[0012] Preferably, the connecting column is slidably connected inside the connecting groove and the adjusting groove, and the front end of the connecting column is fixedly connected to a push pin.

[0013] Preferably, a water collection trough is provided at the lower end of the inner wall of the test tube rack body, and a drain pipe is fixedly connected to the lower end of the test tube rack body. The drain pipe is connected to the water collection trough, and a door is hinged to the right side of the front end of the test tube rack body.

[0014] The beneficial effects of this utility model are:

[0015] This adjustable, tiered test tube rack uses upper test tube trays and connecting posts to group test tubes according to their size. The upper trays and lower support trays are opened or closed according to the number of tubes in each group. The lower trays and upper support trays slide into the rack body along slots according to the height of the test tubes, dividing the internal space and allowing for flexible adjustment of storage space. Test tubes are inserted into the lower trays, supported by the upper support trays, ensuring stable placement and easy retrieval. Loosening the connecting posts allows them to slide outwards under spring pressure, securing them to the rack body. This provides high connection stability and easy disassembly and installation. When the upper trays and lower support trays are closed, they are used for regular test tube storage. In the horizontally expanded mode, the storage area is increased. When adjusted to a tilted mode, they are used for layered liquid extraction or precipitation observation. Suitable for various usage scenarios, this rack enhances functionality, offers convenient storage and adjustment, and improves applicability and space utilization. Attached Figure Description

[0016] Figure 1 shows a schematic diagram of the overall three-dimensional structure of this utility model;

[0017] Figure 2 shows a schematic diagram of the overall three-dimensional structure of this utility model.

[0018] Figure 3 shows a three-dimensional cross-sectional view of the present invention.

[0019] Figure 4 shows a schematic diagram of the test tube insert structure of this utility model;

[0020] Figure 5 shows a schematic diagram of the connecting column structure of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1. Test tube rack body; 2. Slot; 3. Lower test tube insertion tray; 4. Upper support tray; 5. Upper test tube insertion tray; 6. Lower support tray; 7. Adjustment groove; 8. Spring; 9. Connecting column; 10. Placement rack; 11. Insertion hole; 12. Elastic silicone ring; 13. Support groove; 14. Connecting groove; 15. Push column; 16. Water collection groove; 17. Drain pipe; 18. Box door. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please refer to Figures 1-5. This utility model provides an embodiment: an adjustable-spaced layered test tube rack, including a test tube rack body 1; it also includes an upper test tube insert plate 5 and a connecting post 9. Two sets of slots 2 are symmetrically fixedly connected to the left and right ends of the inner wall of the test tube rack body 1. The slots 2 are provided with a lower test tube insert plate 3 and an upper support tray 4. The front end of the lower test tube insert plate 3 is rotatably connected to the upper test tube insert plate 5 through a damping shaft. The front end of the upper support tray 4 is rotatably connected to the lower support tray 6 through a damping shaft. Adjustment grooves 7 are symmetrically opened at the left and right ends of the lower test tube insert plate 3 and the upper support tray 4. A spring 8 is fixedly connected inside the adjustment groove 7. The end of the spring 8 away from the adjustment groove 7 is fixedly connected to the connecting post 9. A placement rack 10 is slidably connected to the left end of the test tube rack body 1. In use, the test tubes are grouped according to their size specifications, and the upper test tube insert plate is opened or closed according to the number of test tubes in each group. 5 and lower support tray 6, according to the height of the test tubes, slide each set of lower test tube insert trays 3 and upper support trays 4 into the test tube rack body 1 along the slot 2, dividing the interior of the test tube rack body 1, flexibly adjusting the storage space, inserting the test tubes into the lower test tube insert trays 3, and the upper support trays 4 for support, ensuring that the test tubes are placed stably and are easy to pick up, loosen the connecting column 9 so that it slides outward under the elastic force of the spring 8 to complete the fixation with the test tube rack body 1, with high connection stability, easy disassembly and installation, pull out the placement rack 10, can place ice packs and other cooling devices to ensure the reagent storage needs in the test tubes, when the upper test tube insert tray 5 and lower support tray 6 are in closed mode, it is used for regular test tube storage, when in horizontal unfolded mode, it increases the placement range, when it is adjusted to tilt mode, it is used for layered liquid extraction or precipitation observation, applicable to multiple modes of use scenarios, improving functionality, the overall storage and adjustment is convenient, improving applicability and space utilization.

[0024] Please refer to Figures 2, 3, and 4. In this embodiment, each set of slots 2 has seven slots evenly spaced. The left and right ends of the lower test tube tray 3 and the upper support tray 4 are slidably connected to the slots 2. The lower test tube tray 3 and the upper test tube tray 5 are compatible, and the upper support tray 4 and the lower support tray 6 are compatible. The lower test tube tray 3 and the upper support tray 4 slide into the test tube rack body 1 along the slots 2, dividing the interior of the test tube rack body 1. The lower test tube tray 3 and the upper test tube tray 5 can be stacked in a closed manner, and the upper support tray 4 and the lower support tray 6 can be stacked in a closed manner. Four sets of insertion holes 11 are evenly spaced at the top end, with six insertion holes 11 in each set. Each insertion hole 11 is fixedly connected to an elastic silicone ring 12. When a test tube is inserted into the elastic silicone ring 12 in the lower test tube tray 3 and the upper test tube tray 5, the elastic silicone ring 12 fits the test tube to prevent slippage. Supporting grooves 13 are correspondingly opened at the opposite ends of the upper support tray 4 and the lower support tray 6. The diameter of the supporting groove 13 is smaller than the diameter of the elastic silicone ring 12. The upper support tray 4 and the lower support tray 6 support the test tube, and the supporting groove 13 prevents slippage and ensures that the test tube is placed stably.

[0025] Please refer to Figures 2, 3, and 5. In this embodiment, two sets of connecting slots 14 are symmetrically provided at both ends of the inner wall of the test tube rack body 1, in front of the slot 2. Each set of connecting slots 14 has seven slots evenly spaced. The connecting slots 14 facilitate positioning and improve the stability of the connection. The connecting post 9 is slidably connected inside the connecting slot 14 and the adjusting slot 7. The front end of each connecting post 9 is fixedly connected to a lever 15. Pushing the lever 15 inward causes the connecting post 9 to move towards the adjusting slot 7 and compress the spring 8. Loosen the connecting column 9 so that it slides outward and embeds into the connecting groove 14 under the elastic force of the spring 8, and is fixed to the test tube rack body 1. A water collection trough 16 is provided at the lower end of the inner wall of the test tube rack body 1. A drain pipe 17 is fixedly connected to the lower end of the test tube rack body 1. The drain pipe 17 is connected to the water collection trough 16. A door 18 is hinged to the right side of the front end of the test tube rack body 1. When the test tube liquid drops or leaks, the liquid collects in the water collection trough 16 and is discharged from the drain pipe 17, improving cleaning efficiency.

[0026] During operation, the test tubes are grouped according to their size specifications. The upper test tube tray 5 and lower support tray 6 are opened or closed according to the number of test tubes in each group. The lower test tube tray 3 and upper support tray 4 of each group are slid into the test tube rack body 1 along the slot 2 according to the height of the test tubes, thus dividing the interior of the test tube rack body 1. The test tubes are inserted into the elastic silicone ring 12 in the lower test tube tray 3, and supported by the support groove 13 of the upper support tray 4. The pusher 15 is pushed inward to move the connecting column 9 to the adjustment groove 7 and squeeze the spring 8. The connecting column 9 is released and slids outward into the connecting groove 14 under the elastic force of the spring 8, thus fixing it to the test tube rack body 1. The placement rack 10 can be pulled out to place cooling devices such as ice packs.

[0027] Through the above steps, the upper test tube tray 5 and the lower support tray 6 can be unfolded or closed, suitable for various usage scenarios, improving functionality, and the overall storage and adjustment are convenient, improving applicability and space utilization. The connecting column 9 makes the lower test tube tray 3 and the upper support tray 4 fixed to the test tube rack body 1, with high connection stability and convenient disassembly and installation, thus solving the problems of existing layered test tube racks having difficulty in adjusting the interval height, single function, limited space, and difficulty in expansion.

Claims

1. A layered test tube rack with adjustable spacing, comprising a test tube rack body (1); characterized in that: It also includes an upper test tube insert plate (5) and a connecting column (9). Two sets of slots (2) are symmetrically fixedly connected to the left and right ends of the inner wall of the test tube rack body (1). The slots (2) are equipped with a lower test tube insert plate (3) and an upper support tray (4). The front end of the lower test tube insert plate (3) is rotatably connected to the upper test tube insert plate (5) through a damping shaft. The front end of the upper support tray (4) is rotatably connected to the lower support tray (6) through a damping shaft. Adjustment slots (7) are symmetrically opened at the left and right ends of the lower test tube insert plate (3) and the upper support tray (4). A spring (8) is fixedly connected inside the adjustment slot (7). The end of the spring (8) away from the adjustment slot (7) is fixedly connected to the connecting column (9). A placement rack (10) is slidably connected to the left end of the test tube rack body (1).

2. The layered test tube rack with adjustable intervals according to claim 1, characterized in that: Each set of slots (2) has seven slots evenly spaced. The left and right ends of the lower test tube insert (3) and the upper support tray (4) are slidably connected to the slots (2). The lower test tube insert (3) and the upper test tube insert (5) are matched, and the upper support tray (4) and the lower support tray (6) are matched.

3. The layered test tube rack with adjustable intervals according to claim 1, characterized in that: The upper ends of the lower test tube tray (3) and the upper test tube tray (5) are provided with four sets of insertion holes (11) at equal intervals. Each set of insertion holes (11) has six holes at equal intervals. Each insertion hole (11) is fixedly connected with an elastic silicone ring (12).

4. The layered test tube rack with adjustable intervals according to claim 3, characterized in that: The upper support tray (4) and the lower support tray (6) are provided with support grooves (13) at their opposite ends. The diameter of the support grooves (13) is smaller than the diameter of the elastic silicone ring (12).

5. The layered test tube rack with adjustable intervals according to claim 1, characterized in that: Two sets of connecting slots (14) are symmetrically provided on the left and right ends of the inner wall of the test tube rack body (1) and in front of the slot (2). Each set of connecting slots (14) has seven slots at equal intervals.

6. The layered test tube rack with adjustable intervals according to claim 5, characterized in that: The connecting column (9) is slidably connected inside the connecting groove (14) and the adjusting groove (7), and the front end of the connecting column (9) is fixedly connected to the push pin (15).

7. The layered test tube rack with adjustable intervals according to claim 1, characterized in that: A water collection trough (16) is provided at the lower end of the inner wall of the test tube rack body (1). A drain pipe (17) is fixedly connected to the lower end of the test tube rack body (1). The drain pipe (17) is connected to the water collection trough (16). A box door (18) is hinged to the right side of the front end of the test tube rack body (1).

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