A filter paper roll upright seed germination fixing device
By designing a filter paper roll fixing device that combines a support plate and a rotating plate with a permanent magnet block, the problem of inconvenient filter paper roll fixing was solved. This enabled flexible fixing and portable disassembly of filter paper rolls of different lengths, improving the efficiency and practicality of seed germination experiments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XINJIANG ACADEMY OF AGRI & RECLAMATION SCI
- Filing Date
- 2025-08-11
- Publication Date
- 2026-07-03
AI Technical Summary
The lack of a dedicated device for fixing filter paper rolls in the current technology results in a large space occupation and inconvenience in management for seed germination experiments. Furthermore, the filter paper rolls are prone to tipping over, affecting seed germination and data recording.
A filter paper roll vertical fixing device was designed, which includes a support plate, a rotating plate and a permanent magnet block. The device can flexibly fix filter paper rolls of different lengths through springs and adjusting rods, and uses permanent magnet blocks for initial fixation by adsorption. The length can be adjusted by adjusting rods and bolts, which facilitates disassembly and storage.
This invention enables portable fixing of multiple filter paper rolls of different lengths, improving the versatility and practicality of the device, reducing space occupation, facilitating experimental management, and increasing work efficiency.
Smart Images

Figure CN224439643U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to seed germination technology, specifically to a filter paper roll upright seed germination fixing device. Background Technology
[0002] In the identification and evaluation of germplasm resources, the assessment of seed germination ability is a crucial step. Different plant seeds exhibit varying characteristics, with some seeds developing relatively long root systems after germination. In actual seed germination experiments, the limited space in common germination dishes severely restricts normal root growth, thus affecting the accurate observation and evaluation of seed germination. Furthermore, when using sand culture, soil culture, or vermiculite culture, the seeds are buried within the culture medium, preventing researchers from directly and visually observing the germination state, such as when germination begins and the specific time when the radicle breaks through the seed coat. This poses significant inconvenience to research and hinders the timely recording and analysis of relevant seed germination data.
[0003] In scientific research experiments, to solve the above problems, the filter paper roll-up method is generally used. The specific procedure involves placing the seeds on filter paper, then rolling up the filter paper for germination cultivation. Once the seeds have germinated to a certain extent, the filter paper roll needs to be unrolled to record the number of germinating seeds and the root length in detail. After recording, the filter paper roll is rolled up again and placed upright for further observation or cultivation.
[0004] However, there is currently no device specifically designed for holding filter paper rolls on the market. In practice, researchers have to find alternatives themselves. For example, initially, they tried placing filter paper rolls in mineral water bottles, but this method had obvious drawbacks. Each bottle could only hold one filter paper roll, and when conducting experiments on a large number of seeds simultaneously, many bottles were needed, which not only took up a lot of space but was also very inconvenient to manage. Later, they used large square basins to hold the filter paper rolls. Although this solved the space problem to some extent, the filter paper rolls could not be effectively fixed in the basin and were prone to tipping over. Once the filter paper rolls tipped over, it would not only affect the normal germination of the seeds but also cause the seeds inside the filter paper rolls to scatter, bringing unnecessary trouble to the experiment and increasing its complexity and uncertainty. Therefore, developing a device specifically for fixing filter paper rolls is of great practical significance. Utility Model Content
[0005] The purpose of this invention is to provide a filter paper roll upright seed germination fixing device to solve the above-mentioned shortcomings in the prior art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a filter paper roll upright seed germination fixing device, comprising:
[0007] A support plate is provided, with multiple first support springs fixedly connected to its top. A sliding column is threadedly connected to the top of the support plate. A rotating plate is slidably connected to the outer surface of the sliding column. An upper mounting plate is rotatably connected to the outer surface of the rotating plate. Second support springs are fixedly connected to the bottom of both the upper mounting plate and the rotating plate. Placement holes are provided on the top of both the upper mounting plate and the rotating plate.
[0008] Furthermore, mounting rings are fixedly connected to the opposite sides of the first and second support fixing springs, and permanent magnet blocks are fixedly connected to the mounting rings.
[0009] Furthermore, two first mounting blocks are fixedly connected to the outer surface of the support plate. An adjusting rod is threadedly connected to the top of the first mounting block. Multiple adjusting holes are opened on the outer surface of the adjusting rod. Two second mounting blocks are fixedly connected to the outer surface of the upper mounting plate. A sliding hole is opened on the second mounting block to slide in connection with the adjusting rod. An adjusting bolt that slides in connection with the adjusting hole is threadedly connected to one side of the second mounting block.
[0010] Furthermore, two fixing blocks are fixedly connected to the outer surface of the support plate. The fixing blocks have threaded holes, and fixing bolts that are slidably connected to the sliding holes are threaded into the threaded holes.
[0011] Furthermore, both the first and second support springs are made of stainless steel.
[0012] Furthermore, the upper mounting plate consists of two mounting semicircles, with a connecting ring fixedly connected to the inner surface of each mounting semicircle, and a connecting groove slidably connected to the connecting ring on the outer surface of the rotating plate. The two mounting semicircles are welded together for fixation.
[0013] Compared with the prior art, the filter paper roll upright seed germination fixing device provided by this utility model has the following beneficial effects:
[0014] (1) By rotating the rotating disk and the upper mounting disk, the second support fixing spring is aligned with the first support fixing spring, and the permanent magnet blocks attract each other to complete the initial fixation. Then, with the help of the adjusting rod, adjusting hole and adjusting bolt, the fixing length can be flexibly adjusted according to the length of the filter paper roll. Moving the rotating disk upward stretches the spring to increase the fixing length, and pressing it downward compresses the spring to shorten the fixing length, meeting the fixing requirements of filter paper rolls of different lengths. After adjustment, the device is placed in the culture pot, and the filter paper roll is placed in through the placement hole to complete the fixation. This design allows for portable fixing of multiple filter paper rolls of different lengths without the need for specially customized fixing devices for different length filter paper rolls, greatly improving the versatility and practicality of the device, and providing convenience for seed germination experiments.
[0015] (2) This fixing device is ingeniously designed for disassembly and storage, greatly facilitating users. When the device is no longer in use, first release the adjusting bolt, remove the adjusting rod, then lift the rotating disk and the upper mounting plate upwards to separate the permanent magnet block. Rotate the rotating disk to misalign the second support fixing spring with the first support fixing spring, then move the rotating disk downwards to compress the spring to its maximum position. Then, use the fixing bolt to insert into the sliding hole of the second mounting block and thread it into the threaded hole of the fixing block to fix the upper mounting plate and the support plate. Finally, remove the sliding column and tie it to the adjusting rod. This series of operations enables portable disassembly of the device, and it occupies little space after storage, making it convenient to carry and store. Whether it is a transfer between laboratories or long-term storage, it can be easily handled, saving users time and energy and improving work efficiency. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.
[0017] Figure 1 This is a three-dimensional view of the assembled structure of this utility model;
[0018] Figure 2 This is a three-dimensional view of the structure during the assembly process of this utility model;
[0019] Figure 3 This is a three-dimensional view of the device after it has been stored.
[0020] Figure 4 This is a disassembled perspective view of the rotating disk and the upper mounting disk of this utility model.
[0021] Explanation of reference numerals in the attached figures:
[0022] 1. Support plate; 2. First support fixing spring; 3. Sliding column; 4. Rotating plate; 5. Upper mounting plate; 6. Second support fixing spring; 7. Placement hole; 8. Mounting ring; 9. Permanent magnet block; 11. First mounting block; 12. Adjusting rod; 13. Adjusting hole; 14. Second mounting block; 15. Sliding hole; 16. Adjusting bolt; 21. Fixing block; 22. Threaded hole; 23. Fixing bolt; 31. Mounting half ring; 32. Connecting ring; 33. Connecting groove. Detailed Implementation
[0023] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0024] Example 1:
[0025] Please see Figures 1 to 4 As shown, a filter paper roll upright seed germination fixing device includes a support plate 1. Multiple first support fixing springs 2 are fixedly connected to the top of the support plate 1. A sliding column 3 is threadedly connected to the top of the support plate 1. A rotating plate 4 is slidably connected to the outer surface of the sliding column 3. An upper mounting plate 5 is rotatably connected to the outer surface of the rotating plate 4. Second support fixing springs 6 are fixedly connected to the bottom of both the upper mounting plate 5 and the rotating plate 4. Placement holes 7 are opened on the top of both the upper mounting plate 5 and the rotating plate 4.
[0026] The first support fixing spring 2 and the second support fixing spring 6 are both fixedly connected to the opposite side of the mounting ring 8, and a permanent magnet block 9 is fixedly connected to the mounting ring 8.
[0027] Two first mounting blocks 11 are fixedly connected to the outer surface of the support plate 1. An adjusting rod 12 is threadedly connected to the top of the first mounting block 11. Multiple adjusting holes 13 are opened on the outer surface of the adjusting rod 12. Two second mounting blocks 14 are fixedly connected to the outer surface of the upper mounting plate 5. A sliding hole 15 is opened on the second mounting block 14 to slide in connection with the adjusting rod 12. An adjusting bolt 16 is threadedly connected to one side of the second mounting block 14 to slide in connection with the adjusting hole 13.
[0028] The first support fixing spring 2 and the second support fixing spring 6 are made of stainless steel.
[0029] The upper mounting plate 5 consists of two mounting semicircles 31. A connecting ring 32 is fixedly connected to the inner surface of the mounting semicircle 31. A connecting groove 33 that slides with the connecting ring 32 is opened on the outer surface of the rotating plate 4. The two mounting semicircles 31 are welded and fixed together.
[0030] When the filter paper roll needs to be upright, the sliding post 3 is threaded onto the support plate 1, and then the rotating plate 4 is inserted into the sliding post 3. Rotating the rotating plate 4 and the upper mounting plate 5 causes the second support spring 6 to rotate, aligning it with the first support spring 2. The two springs are then fixed by the mutual attraction of the permanent magnets 9 on them. The adjusting rod 12 is then passed through the sliding hole 15 on the second mounting block 14 and threaded onto the first mounting block 11. Finally, depending on the length of the filter paper roll, the rotating plate 4 is moved upwards, at which point the first and second support springs 2 and 6 are aligned. The fixed spring 6 is stretched, increasing the fixed length. Alternatively, by pressing down on the rotating disk 4, the rotating disk 4 compresses the first support fixed spring 2 and the second support fixed spring 6, shortening the fixed length. The length of the fixed filter paper roll is adjusted according to the required length. After adjustment to the required length, the adjusting bolt 16 on the second mounting block 14 is rotated into the adjusting hole 13 on the adjusting rod 12 to fix the second mounting block 14 and the upper mounting disk 5. After adjustment, the whole assembly is placed into the culture basin. Then, the filter paper roll to be fixed is placed into the spring through the placement hole 7, thereby realizing portable fixing of multiple filter papers of different lengths, greatly improving the portability and applicability of fixing filter paper rolls.
[0031] Example 2
[0032] Based on Example 1, please refer to Figure 2 and Figure 3 As shown, two fixing blocks 21 are fixedly connected to the outer surface of the support plate 1. The fixing blocks 21 have threaded holes 22, and the threaded holes 22 are threaded with fixing bolts 23 that are slidably connected to the sliding holes.
[0033] When the fixing device is no longer in use, the fixing adjustment is released by adjusting bolt 16, and then adjusting rod 12 is rotated off the first mounting block 11. Then, the rotating disk 4 and the upper mounting disk 5 are lifted upwards to separate the permanent magnet block 9 on the second support fixing spring 6 and the first support fixing spring 2. Then, the rotating disk 4 is rotated to displace the second support fixing spring 6 on the rotating disk 4 and the upper mounting disk 5 from the first support fixing spring 2 on the support disk 1. Then, the rotating disk 4 is moved downwards to compress the second support fixing spring 6 on the rotating disk 4 and the upper mounting disk 5 onto the support disk 1. The upper mounting plate 5 is compressed, and at the same time, the first support fixing spring 2 on the support plate 1 is also compressed to its maximum position. Then, the fixing bolt 23 is inserted into the sliding hole 15 on the second mounting block 14, and the fixing bolt 23 is threadedly fixed to the threaded hole 22 on the fixing block 21, so that the upper mounting plate 5 and the support plate 1 are fixed. Then, the sliding column 3 is removed and tied together with the adjusting rod 12, thereby realizing the portable disassembly and storage of the fixing device, while reducing the space occupied after storage, making it convenient for users to carry and disassemble, and convenient for users to use.
[0034] Working principle: In use, when the filter paper roll needs to be uprighted, the sliding post 3 is threadedly fixed to the support plate 1, and then the rotating plate 4 is inserted into the sliding post 3. Rotating the rotating plate 4 and the upper mounting plate 5 causes the second support spring 6 to rotate, aligning it with the first support spring 2. The permanent magnets 9 on the first and second support springs 2 then attract each other for fixation. The adjusting rod 12 is then passed through the sliding hole 15 on the second mounting block 14 and threadedly fixed to the first mounting block 11. Finally, depending on the length of the filter paper roll, the rotating plate 4 is moved upwards, at which point the first support spring 2 and... The second support spring 6 is stretched, increasing the fixed length. Alternatively, by pressing down on the rotating disk 4, the rotating disk 4 compresses the first support spring 2 and the second support spring 6, shortening the fixed length. The length of the filter paper roll can be adjusted according to the required length. After adjustment to the required length, the adjusting bolt 16 on the second mounting block 14 is rotated into the adjusting hole 13 on the adjusting rod 12 to fix the second mounting block 14 and the upper mounting disk 5. After adjustment, the whole assembly is placed into the culture basin. Then, the filter paper roll to be fixed is placed into the spring through the placement hole 7, thereby realizing portable fixing of multiple filter papers of different lengths, greatly improving the portability and applicability of fixing filter paper rolls.
[0035] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A filter paper roll upright type seed germination fixing device, characterized in that, include: A support plate (1) is provided, with a plurality of first support fixing springs (2) fixedly connected to the top of the support plate (1). A sliding column (3) is threadedly connected to the top of the support plate (1). A rotating plate (4) is slidably connected to the outer surface of the sliding column (3). An upper mounting plate (5) is rotatably connected to the outer surface of the rotating plate (4). A second support fixing spring (6) is fixedly connected to the bottom of both the upper mounting plate (5) and the rotating plate (4). Placement holes (7) are provided on the top of both the upper mounting plate (5) and the rotating plate (4).
2. A vertical seed germination fixture according to claim 1, wherein, The first support fixing spring (2) and the second support fixing spring (6) are both fixedly connected to the opposite side of the mounting ring (8), and a permanent magnet block (9) is fixedly connected to the mounting ring (8).
3. The vertical seed germination fixture of claim 1, wherein: Two first mounting blocks (11) are fixedly connected to the outer surface of the support plate (1). An adjusting rod (12) is threadedly connected to the top of the first mounting block (11). Multiple adjusting holes (13) are opened on the outer surface of the adjusting rod (12). Two second mounting blocks (14) are fixedly connected to the outer surface of the upper mounting plate (5). A sliding hole (15) is opened on the second mounting block (14) and is slidably connected to the adjusting rod (12). An adjusting bolt (16) is threadedly connected to one side of the second mounting block (14) and is slidably connected to the adjusting hole (13).
4. The vertical seed germination fixture of claim 1, wherein: Two fixing blocks (21) are fixedly connected to the outer surface of the support plate (1). The fixing blocks (21) are provided with threaded holes (22). The threaded holes (22) are threaded with fixing bolts (23) that are slidably connected to the sliding holes (15).
5. The vertical seed germination fixture of claim 1, wherein: The first support fixing spring (2) and the second support fixing spring (6) are made of stainless steel.
6. The filter paper roll upright type seed germination fixing device according to claim 1, wherein The upper mounting plate (5) consists of two mounting half rings (31). A connecting ring (32) is fixedly connected to the inner surface of the mounting half ring (31). A connecting groove (33) that slides with the connecting ring (32) is opened on the outer surface of the rotating plate (4). The two mounting half rings (31) are welded and fixed together.