Microbial flora screening device

Abstract

The invention discloses a microbial flora screening device, and particularly relates to the field of microbial culture.The microbial flora screening device comprises an external placement disc, the top end of the external placement disc is fixedly connected with a corresponding clamping frame, the top end of the corresponding clamping frame is fixedly connected with two sets of fixing columns, the interior of the corresponding clamping frame is fixedly connected with a spring, and one end of the spring is fixedly connected with a clamping clamping block; when the piston positioning push block drives the inclined pushing spring to make contact with the bottom end of the interior of the hollow piston pipe, the inclined pushing spring is in a compressed state under the pressure of the inner wall of the hollow piston pipe, the medicament is converted into mist through the assembly mist spraying performance of the mist spraying connector, and the mist spraying connector located at the upper corresponding through-flow hole sprays upwards; the spraying position sprays towards a farther position due to spraying inertia, and the spraying connectors located at the lower corresponding through-flow holes spray downwards, so that the microbial colonies located under the spraying position provide nutritional agents, survival agents are comprehensively provided for the microbial colonies, and a good survival environment is provided for the microbial colonies.

Description

Technical Field

[0001] This invention relates to the field of microbial culture technology, and more specifically, to a microbial community screening device. Background Technology

[0002] When microorganisms are cultured, they need to be placed in a culture medium, which is a mixture of nutrients prepared artificially in a certain proportion to provide for the growth, reproduction and synthesis of metabolic products of microorganisms. The raw materials of the culture medium can be divided into carbon source, nitrogen source, inorganic salt, growth factors and water. Depending on the type of microorganism and the purpose of the experiment, there are different types and preparation methods of culture medium.

[0003] According to Chinese Patent No. CN217052203U, a turntable is fixedly connected to the outer wall of a rotating rod. The outer wall of the turntable has a groove. A linkage component is fixedly connected to the end of the rotating shaft. The rotating shaft synchronously drives a light rod through the linkage component. This solves the problem that existing microbial community continuous screening devices often cannot quantitatively add and stir drugs, resulting in poor microbial culture effect in the culture box.

[0004] However, when implementing the above scheme, the quantitatively added agent is spread by traditional spraying during the cultivation of microorganisms. The position of the agent in the culture tray is often fixed, and the agent cannot be completely covered in the culture tray, resulting in poor agent utilization efficiency. Therefore, we propose a microbial community screening device. Summary of the Invention

[0005] To overcome the aforementioned deficiencies of the prior art, embodiments of the present invention provide a microbial community screening device. When the inclined pushing spring, driven by the piston positioning push block, contacts the bottom of the hollow piston tube, the inclined pushing spring is compressed by the pressure of the inner wall of the hollow piston tube. The agent is converted into a spray through the component of the spray connector. The spray connector located at the upper corresponding flow hole sprays upward, and the spray position sprays further due to the spray inertia. The spray connector located at the lower corresponding flow hole sprays downward, thus solving the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a microbial community screening device, comprising an external placement tray, a corresponding bracket fixedly connected to the top of the external placement tray, two sets of fixing posts fixedly connected to the top of the corresponding bracket, a spring fixedly connected inside the corresponding bracket, a clamping block fixedly connected to one end of the spring, and a ring-shaped culture box attached to one end of the clamping block. The two sets of fixing posts are configured to be in a limited position with the push handle. A limiting slide rail is fixedly connected to the top of the external placement tray, and a rubber positioning block is slidably connected inside the limiting slide rail. The rubber positioning block is attached to the outer surface of the ring-shaped culture box. The researcher manually places the ring-shaped culture box containing the cultured microorganisms. The annular culture box is held in the clamping of two sets of clamping blocks. The clamping blocks slide along the inner cavity of the corresponding clamping frame via springs. Two sets of fixed columns limit the push handle and limit the clamping range of the clamping blocks on the annular culture box. The annular culture box can move up and down under the clamping of the clamping blocks. At the same time, when the annular culture box moves, the left and right springs on both sides buffer the left and right sway of the annular culture box. The rubber positioning block is compressed inside the limiting slide rail frame by the compression of the annular culture box, ensuring the stability of the annular culture box around its perimeter. This improves the stability of the annular culture box when it moves and avoids damage to the microbial community due to shaking and impact during movement. A hollow piston tube is fixedly connected to the top of the annular culture box. A built-in sliding groove is fixedly connected to one end of the hollow piston tube. A sliding fitting column is fixedly connected inside the built-in sliding groove. A threaded rotating rod is slidably connected inside the sliding fitting column. The threaded rotating rod is slidably connected inside the hollow piston tube. A piston positioning push block is fixedly connected to one end of the threaded rotating rod that passes through the hollow piston tube. When the threaded rotating rod slides inside the sliding fitting column through the transmission of the built-in threaded gear, the built-in sliding groove and the sliding fitting column wrap around the threaded rotating rod, making the sliding of the threaded rotating rod relatively stable. An inclined push spring is fixedly connected to one end of the piston positioning push block away from the threaded rotating rod. A positioning groove is opened on the outer surface of the inclined push spring. Two sets of inclined bidirectional hinge rods are hinged to one end of the inclined push spring through the positioning groove. A spring rope is fixedly connected between the two sets of inclined bidirectional hinge rods. A friction rod is fixedly connected to one end of the spring rope. Telescopic rods are fixedly connected to the upper and lower ends of the friction rod. The two ends of the friction rod are hinged to the outer surface of the inclined bidirectional hinge rod through two sets of telescopic rods.

[0007] In a preferred embodiment, the friction rod is positioned in a cleaned state relative to the inner wall of the annular culture box, and the hollow piston tube has multiple sets of corresponding flow holes inside. The same number of hinged positioning blocks are hinged inside the multiple sets of corresponding flow holes, and one end of each hinged positioning block is fixedly connected to a spray nozzle.

[0008] In a preferred embodiment, the outer surface of the threaded rod is rotatably connected to a hinged long rod, the top end of the hinged long rod is rotatably connected to an internal threaded gear, the outer surface of the internal threaded gear is meshed with a meshing push block, one end of the meshing push block is hinged to a hinged rotating block, and the interior of the internal threaded gear is threadedly connected to the outer surface of the threaded rod.

[0009] In a preferred embodiment, one end of the hinged long bar is fixedly connected to a positioning slide rail, the engagement push block is slidably connected inside the positioning slide rail, the top end of the engagement push block is hinged to a hinged rotating block, and the top end of the hinged rotating block is hinged to a third hinge block.

[0010] In a preferred embodiment, two limiting rods are fixedly connected to the top of the hinged long rod. The third hinge block is set in a limited state by the two limiting rods. The third hinge block is hinged to the outer surface of the hinged long rod. A motor is fixedly connected to the connection between the fixed hinge block and the second hinge block. The motor acts as a drive, causing the second hinge block to deflect. The second hinge block drives the third hinge block to deflect through the first hinge block. The connection between the third hinge block and the hinged long rod is subjected to a rolling friction force, causing the hinged long rod to deflect along the surface of the threaded rod.

[0011] In a preferred embodiment, one end of the third hinge block is hinged to a first hinge block, one end of the first hinge block is hinged to a second hinge block, and one end of the second hinge block is hinged to a fixed hinge block. One end of the fixed hinge block is fixedly fitted with an external threaded ring. When the hinge bar deflects, the hinge bar drives the meshing push block that slides out from the positioning slide rail to push the built-in threaded gear. When the built-in threaded gear returns to its original position along the first hinge block as the hinge bar rotates, the meshing push block retracts into the interior of the positioning slide rail. As the first hinge block rotates, the meshing push block and the hinge bar move in a cyclic reciprocating motion, and the built-in threaded gear is pushed and fixed for a certain distance.

[0012] In a preferred embodiment, the outer surface of the externally threaded ring is threadedly connected to an internally threaded sleeve. A sliding frame is fixedly connected to the outer surface of the internally threaded sleeve. The sliding frame is rotatably connected to the interior of the external mounting plate. A positioning handle is fixedly connected to one end of the sliding frame. When the researcher places the external mounting plate at the microscope observation position, holds the upper and lower ends of the external mounting plate with one hand and grasps the positioning handle with the other hand to rotate clockwise, the positioning handle rotates along the clamping of the external mounting plate. The sliding frame drives the internally threaded sleeve to rotate. The internally threaded sleeve guides the movement of the externally threaded ring through the internal threads. Since the surface of the externally threaded ring has multiple sets of sliding grooves, the externally threaded ring is limited by multiple sets of angled positioning frames.

[0013] In a preferred embodiment, a hollow fitting block is fixedly connected to the outer surface of the built-in threaded sleeve, a rubber slot is fixedly connected to the top of the annular culture box, a cover lever is inserted into the inside of the rubber slot, and there are four sets of clamping blocks. Each pair of clamping blocks is set to clamp the upper and lower ends of the annular culture box respectively. When a new annular culture box is placed under the clamping of the four sets of clamping blocks, stability is achieved.

[0014] In a preferred embodiment, the piston positioning push block is sealed to the interior of the annular culture box. The piston positioning push block is slidably pushed up and down by the threaded rod and the built-in threaded gear, thereby achieving a seal between the piston positioning push block and the annular culture box and preventing the medicine from flowing out.

[0015] In a preferred embodiment, the externally threaded ring is configured to slide up and down via the threaded guide of the built-in threaded sleeve. The inclined push spring is configured to be compressed in contact with the inner wall of the hollow piston tube. There are multiple sets of spray connectors. The spray connector at the upper end of the corresponding flow hole is deflected upward about the horizontal plane, and the spray connector at the lower end of the corresponding flow hole is deflected downward about the horizontal plane. When the piston positioning push block moves upward along the inner wall of the annular culture box, since the piston positioning push block is made of rubber, the piston positioning push block squeezes the nutrient agent inside the annular culture box upward. The piston positioning push block then delivers the agent outward from the corresponding flow hole, and the agent is converted into a spray through the component spray performance of the spray connector.

[0016] The technical effects and advantages of this invention are as follows: 1. The inclined push spring, through two sets of inclined bidirectional hinged rods, drives the friction rod to clean and scrape the inner wall of the annular culture box, thereby preventing the accumulation of residual material on the inner wall of the box and fully agitating the agent. When the piston positioning push block drives the inclined push spring to contact the bottom of the hollow piston tube, the inclined push spring is compressed by the pressure of the inner wall of the hollow piston tube. The agent is converted into a spray through the spray connector component. The spray connector located at the upper corresponding flow hole sprays upward, and the spray position sprays further due to the spray inertia. The spray connector located at the lower corresponding flow hole sprays downward, so that the microbial colony located directly below is provided with nutrients and agents, thereby providing a better living environment for the microbial colony. 2. The annular culture box can move up and down under the clamping of the locking block. At the same time, when the annular culture box moves, the springs on the left and right sides buffer the left and right sway of the annular culture box. The rubber positioning block is compressed inside the limiting slide rail frame by the compression of the annular culture box, which ensures the stability of the annular culture box around its perimeter. This improves the stability of the annular culture box when it moves and avoids damage to the microbial community due to shaking and impact during movement. 3. The built-in threaded gear is limited by the hinged long rod, causing the built-in threaded gear to only rotate. The built-in threaded gear and the threaded rotating rod are guided by the thread, causing the threaded rotating rod to move along the built-in threaded gear into the hollow piston tube. The threaded rotating rod is fixed according to the pushing distance of each segment, so the piston positioning push block is attached to the inside of the annular culture box and moves upward. The medicine inside the annular culture box is released from the corresponding flow hole, thereby achieving the release of a fixed amount of nutrient medicine at fixed time intervals, which is relatively simple for the cultivation and screening of microbial communities. 4. The built-in threaded sleeve guides the movement of the external threaded ring through the built-in thread. Because the surface of the external threaded ring has multiple sets of sliding grooves, the external threaded ring is limited by multiple sets of angled positioning frames and can only slide up and down. This causes the built-in threaded sleeve to rotate and give the external threaded ring an upward or downward force along the surface of the angled positioning frame. The external threaded ring supports the annular culture box, causing the annular culture box to be pushed upward and adjusted in position along the clamping of two sets of locking blocks. This makes it convenient for researchers to adjust the observation height of the cultured microorganisms according to their observation needs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the external mounting plate of the present invention.

[0018] Figure 2 This is a schematic diagram of the structure of the ring-shaped culture box of the present invention.

[0019] Figure 3 For the present invention Figure 2 Enlarged view of the structure of part A.

[0020] Figure 4 This is a schematic diagram of the hollow bonding block in this invention.

[0021] Figure 5 For the present invention Figure 4 Enlarged view of the structure of part B.

[0022] Figure 6 This is a schematic diagram of the structure of the first hinge block of the present invention.

[0023] Figure 7 This is a schematic diagram of the threaded rotor of the present invention.

[0024] Figure 8 For the present invention Figure 7 Enlarged view of the C-section structure.

[0025] Figure 9 This is a schematic diagram of the hollow piston tube in this invention.

[0026] The attached diagram is labeled as follows: 1. External mounting plate; 2. Angled positioning frame; 3. Rubber positioning block; 4. Limiting slide rail frame; 5. Cover lever; 6. Rubber slot; 7. Spray connector; 8. Positioning handle; 9. Sliding rotating frame; 10. Circular culture box; 11. Hollow piston tube; 12. Corresponding bracket; 13. Fixing column; 14. Push handle; 15. Spring; 16. Clamping block; 17. Internal threaded sleeve; 18. Inserting external threaded ring; 19. Threaded rotating rod; 20. Internal sliding slot; 21. 1. Sliding engagement column; 22. Built-in threaded gear; 23. Hinge rod; 24. Fixed hinge block; 25. Engaging push block; 26. Hinge rotating block; 27. First hinge block; 28. Second hinge block; 29. ​​Positioning slide rail; 30. Third hinge block; 31. Hollow fitting block; 32. Piston positioning push block; 33. Inclined push spring; 34. Positioning rotating groove; 35. Inclined bidirectional hinge rod; 36. Spring rope; 37. Friction rod; 38. Corresponding flow hole; 39. Hinge positioning block. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Refer to the instruction manual appendix Figures 1-3A microbial community screening device according to an embodiment of the present invention includes an external placement tray 1. A corresponding bracket 12 is fixedly connected to the top of the external placement tray 1. Two sets of fixing posts 13 are fixedly connected to the top of the corresponding bracket 12. A spring 15 is fixedly connected inside the corresponding bracket 12. A clamping block 16 is fixedly connected to one end of the spring 15. One end of the clamping block 16 is attached to an annular culture box 10. The two sets of fixing posts 13 are positioned in a limiting state with a push handle 14. A limiting slide rail 4 is fixedly connected to the top of the external placement tray 1. A rubber positioning block 3 is slidably connected inside the limiting slide rail 4 and is attached to the outer surface of the annular culture box 10. The researcher manually places the annular culture box 10 containing cultured microorganisms onto the two sets of clamping blocks 16. In the clamping of 6, the locking clamping block 16 slides along the inner cavity of the corresponding clamping frame 12 via the spring 15. The two sets of fixed columns 13 limit the push handle 14 and limit the clamping range of the locking clamping block 16 on the annular culture box 10. The annular culture box 10 can move up and down under the clamping of the locking clamping block 16. At the same time, when the annular culture box 10 moves, the left and right springs 15 on both sides buffer the left and right sway of the annular culture box 10. The rubber positioning block 3 is compressed inside the limiting slide rail frame 4 by the compression of the annular culture box 10, which ensures the stability of the annular culture box 10 around its perimeter, thereby improving the stability of the annular culture box 10 when it moves and avoiding damage to the microbial community due to shaking and impact during movement.

[0029] Furthermore, a hollow piston tube 11 is fixedly connected to the top of the annular culture box 10. One end of the hollow piston tube 11 is fixedly connected to an internal sliding groove 20. A sliding engagement column 21 is fixedly connected inside the internal sliding groove 20. A threaded rotating rod 19 is slidably connected inside the sliding engagement column 21. The threaded rotating rod 19 is slidably connected inside the hollow piston tube 11. A piston positioning push block 32 is fixedly connected to one end of the threaded rotating rod 19 that passes through the hollow piston tube 11. When the threaded rotating rod 19 is transmitted through the internal threaded gear 22... When the guide slides inside the sliding engagement column 21, the built-in sliding groove 20 and the sliding engagement column 21 enclose the threaded rotating rod 19, making the sliding of the threaded rotating rod 19 relatively stable. An inclined push spring 33 is fixedly connected to the end of the piston positioning push block 32 away from the threaded rotating rod 19. A positioning groove 34 is provided on the outer surface of the inclined push spring 33. Two sets of inclined bidirectional hinge rods 35 are hinged to one end of the inclined push spring 33 through the positioning groove 34. A fixed connection is made between the two sets of inclined bidirectional hinge rods 35. A spring rope 36 is attached to one end of a friction rod 37. Telescopic rods are fixedly connected to the upper and lower ends of the friction rod 37. The two ends of the friction rod 37 are hinged to the outer surface of an inclined bidirectional hinge rod 35 via two sets of telescopic rods. When the threaded rotating rod 19 rotates along the interior of the annular culture box 10, it drives the inclined pushing spring 33 to rotate via the piston positioning push block 32. The inclined pushing spring 33, through the two sets of inclined bidirectional hinge rods 35, drives the friction rod 37 to clean the inner wall of the annular culture box 10. The scraping process prevents residue from accumulating on the inner wall of the chamber while simultaneously stirring the medicine. As the piston positioning pusher 32 drives the inclined pusher spring 33 to contact the bottom of the hollow piston tube 11, the inclined pusher spring 33 is compressed by the pressure of the inner wall of the hollow piston tube 11. Meanwhile, the inclined bidirectional hinge rod 35 is compressed by the inclined pusher spring 33, causing the spring rope 36 to be compressed. This allows the piston positioning pusher 32 to fully squeeze out all the medicine in the hollow piston tube 11, ensuring that the medicine is fully utilized.

[0030] Refer to the instruction manual appendix Figures 8-9The friction rod 37 is set in a clean state relative to the inner wall of the annular culture box 10. The hollow piston tube 11 has multiple sets of corresponding flow holes 38 inside. The same number of hinge positioning blocks 39 are hinged inside the multiple sets of corresponding flow holes 38. One end of the hinge positioning block 39 is fixedly connected to a spray nozzle 7. The outer surface of the threaded rotating rod 19 is rotatably connected to a hinged long rod 23. The top end of the hinged long rod 23 is rotatably connected to an internal threaded gear 22. The outer surface of the internal threaded gear 22 is meshed with a meshing push block 25. One end of the meshing push block 25 is hinged to a hinged rotating block 26. The inside of the internal threaded gear 22 is connected to the outer surface of the threaded rotating rod 19 by a thread. One end of the hinged long rod 23 is fixedly connected to a positioning slide rail 29. The meshing push block 25 is slidably connected inside the positioning slide rail 29. The top end of the meshing push block 25 is hinged to a hinged rotating block 26. The top end of the hinged rotating block 26 is hinged to a third hinge block 30. Furthermore, two limiting rods are fixedly connected to the top of the hinged long rod 23. The third hinge block 30 is set in a limited state by the two limiting rods. The third hinge block 30 is hinged to the outer surface of the hinged long rod 23. A motor is fixedly connected to the connection between the fixed hinge block 24 and the second hinge block 28. The motor drives the second hinge block 28 to deflect. The second hinge block 28 drives the third hinge block 30 to deflect through the first hinge block 27. The connection between the third hinge block 30 and the hinged long rod 23 is subjected to a rolling friction force, causing the hinged long rod 23 to deflect along the surface of the threaded rotating rod 19. The third hinge block 30 deflects under the restriction of the two limiting rods. The third hinge block 30 and the first hinge block 27 drive the hinged rotating block 26 to push, causing the hinged rotating block 26 to slide outward from the positioning slide rail 29 with the meshing push block 25. The meshing push block 25 contacts the teeth of the built-in threaded gear 22.

[0031] Refer to the instruction manual appendix Figures 6-8One end of the third hinge block 30 is hinged to the first hinge block 27, one end of the first hinge block 27 is hinged to the second hinge block 28, and one end of the second hinge block 28 is hinged to the fixed hinge block 24. One end of the fixed hinge block 24 is fixedly fitted with an external threaded ring 18. When the hinge rod 23 deflects, it drives the meshing push block 25, which slides out from the positioning slide rail 29, to push the internal threaded gear 22. As the hinge rotating block 26 rotates along the first hinge block 27 and returns to its original position, the meshing push block 25 retracts into the positioning slide rail 29. With the rotation of the first hinge block 27, the meshing push block 25 and the hinge rod 23 interact... In a cyclical motion, the built-in threaded gear 22 is pushed a fixed distance, and the built-in threaded gear 22 is limited by the hinged long rod 23, causing the built-in threaded gear 22 to only rotate. The built-in threaded gear 22 and the threaded rotating rod 19 are guided by the thread, causing the threaded rotating rod 19 to move along the built-in threaded gear 22 into the hollow piston tube 11. The threaded rotating rod 19 is fixed according to each pushing distance, and the piston positioning push block 32 moves upward against the inside of the annular culture box 10. The medicine inside the annular culture box 10 is released from the corresponding flow hole 38, thereby achieving the release of a fixed amount of nutrient medicine at fixed times, which is relatively simple for the cultivation and screening of microbial communities.

[0032] Refer to the instruction manual appendix Figures 4-5 An external threaded ring 18 is threadedly connected to an internal threaded sleeve 17 on its outer surface. A sliding rotating frame 9 is fixedly connected to the outer surface of the internal threaded sleeve 17. The sliding rotating frame 9 is rotatably connected to the inside of the external mounting plate 1. A positioning handle 8 is fixedly connected to one end of the sliding rotating frame 9. When the researcher places the external mounting plate 1 at the microscope observation position, and holds the upper and lower ends of the external mounting plate 1 with one hand while grasping the positioning handle 8 with the other hand and rotating it clockwise, the positioning handle 8 rotates along the clamping of the external mounting plate 1. This causes the sliding rotating frame 9 to rotate, driving the internal threaded sleeve 17 to rotate. The insertion of the external threaded ring 18 is guided by the built-in thread. Since the surface of the external threaded ring 18 has multiple sets of sliding grooves, the external threaded ring 18 is limited by multiple sets of angled positioning frames 2 and can only slide up and down. This causes the built-in threaded sleeve 17 to rotate and give the external threaded ring 18 an upward or downward force along the surface of the angled positioning frame 2. The external threaded ring 18 supports the annular culture box 10, causing the annular culture box 10 to be pushed upward and adjusted in position along the clamping of two sets of locking blocks 16. This makes it easier for researchers to adjust the observation height of the cultured microorganisms according to their observation needs. Furthermore, a hollow fitting block 31 is fixedly connected to the outer surface of the built-in threaded sleeve 17, and a rubber slot 6 is fixedly connected to the top of the annular culture box 10. A cover lever 5 is inserted into the inside of the rubber slot 6. There are four sets of clamping blocks 16. Each pair of clamping blocks 16 is set to clamp the upper and lower ends of the annular culture box 10 respectively. When a new annular culture box 10 is placed under the clamping of the four sets of clamping blocks 16, stability is achieved. The piston positioning push block 32 is set to be sealed with the inside of the annular culture box 10. The piston positioning push block 32 is set to slide up and down through the threaded push between the threaded rotating rod 19 and the built-in threaded gear 22, so as to achieve the sealing between the piston positioning push block 32 and the annular culture box 10 and prevent the medicine from flowing out.

[0033] Refer to the instruction manual appendix Figures 1-5 The external threaded ring 18 is set in a sliding state through the threaded guide of the internal threaded sleeve 17. The inclined push spring 33 is set in a compressed state in contact with the inner wall of the hollow piston tube 11. There are multiple sets of spray connectors 7. The spray connector 7 at the upper corresponding flow hole 38 is deflected upward about the horizontal plane, and the spray connector 7 at the lower corresponding flow hole 38 is deflected downward about the horizontal plane. When the piston positioning push block 32 moves upward along the inner wall of the annular culture box 10, since the piston positioning push block 32 is made of rubber, the piston positioning push block 32 will... When the nutrient solution inside the culture box 10 is squeezed upwards, the piston positioning push block 32 delivers the solution outwards from the corresponding flow hole 38. The solution is converted into a spray through the component spray performance of the spray connector 7. The spray connector 7 located at the upper corresponding flow hole 38 sprays upwards, and the spray position sprays further due to the spray inertia. The spray connector 7 located at the lower corresponding flow hole 38 sprays downwards, so that the microbial colonies located directly below are provided with nutrient solution. This achieves comprehensive provision of survival solution to the microbial colonies and provides a better living environment for the microbial colonies.

[0034] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change. Secondly: The accompanying drawings of the embodiments disclosed in this invention only involve the structures involved in the embodiments disclosed in this invention. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this invention can be combined with each other. In conclusion, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A microbial community screening device, comprising an external placement tray (1), characterized in that: The top of the external placement tray (1) is fixedly connected to a corresponding card holder (12), the top of the corresponding card holder (12) is fixedly connected to two sets of fixed posts (13), the inside of the corresponding card holder (12) is fixedly connected to a spring (15), one end of the spring (15) is fixedly connected to a clamping block (16), one end of the clamping block (16) is attached to an annular culture box (10), the two sets of fixed posts (13) are set in a limited position with the push handle (14), the top of the external placement tray (1) is fixedly connected to a limiting slide rail (4), the inside of the limiting slide rail (4) is slidably connected to a rubber positioning block (3), the rubber positioning block (3) is attached to the outer surface of the annular culture box (10); The top of the annular culture box (10) is fixedly connected to a hollow piston tube (11), one end of the hollow piston tube (11) is fixedly connected to a built-in sliding groove (20), the inside of the built-in sliding groove (20) is fixedly connected to a sliding fitting column (21), the inside of the sliding fitting column (21) is slidably connected to a threaded rotating rod (19), the threaded rotating rod (19) is slidably connected inside the hollow piston tube (11), and one end of the threaded rotating rod (19) passing through the hollow piston tube (11) is fixedly connected to a piston positioning push block (32). The piston positioning push block (32) is fixedly connected to an inclined push spring (33) at one end away from the threaded rotating rod (19). The outer surface of the inclined push spring (33) is provided with a positioning groove (34). One end of the inclined push spring (33) is hinged to two sets of inclined bidirectional hinge rods (35) through the positioning groove (34). A spring rope (36) is fixedly connected between the two sets of inclined bidirectional hinge rods (35). One end of the spring rope (36) is fixedly connected to a friction rod (37). The upper and lower ends of the friction rod (37) are fixedly connected to telescopic rods. The two ends of the friction rod (37) are hinged to the outer surface of the inclined bidirectional hinge rod (35) through two sets of telescopic rods.

2. The microbial community screening device according to claim 1, characterized in that: The friction rod (37) is set in a clean state relative to the inner wall of the annular culture box (10). The hollow piston tube (11) has multiple sets of corresponding flow holes (38) inside. The internal parts of the multiple sets of corresponding flow holes (38) are hinged with the same number of hinge positioning blocks (39). One end of the hinge positioning block (39) is fixedly connected to a spray connector (7).

3. The microbial community screening device according to claim 2, characterized in that: The outer surface of the threaded rotating rod (19) is rotatably connected to a hinged long rod (23), and the top end of the hinged long rod (23) is rotatably connected to an internal threaded gear (22). The outer surface of the internal threaded gear (22) is meshed with a meshing push block (25), and one end of the meshing push block (25) is hinged to a hinged rotating block (26). The interior of the internal threaded gear (22) is threadedly connected to the outer surface of the threaded rotating rod (19).

4. The microbial community screening device according to claim 3, characterized in that: One end of the hinged long bar (23) is fixedly connected to a positioning slide rail (29), the meshing push block (25) is slidably connected inside the positioning slide rail (29), the top end of the meshing push block (25) is hinged to a hinged rotating block (26), and the top end of the hinged rotating block (26) is hinged to a third hinge block (30).

5. The microbial community screening device according to claim 4, characterized in that: Two limiting rods are fixedly connected to the top of the hinged long rod (23). The third hinge block (30) is set in a limited state by the two limiting rods. The third hinge block (30) is hinged to the outer surface of the hinged long rod (23).

6. The microbial community screening device according to claim 5, characterized in that: The third hinge block (30) is hinged to a first hinge block (27) at one end, the first hinge block (27) is hinged to a second hinge block (28) at one end, the second hinge block (28) is hinged to a fixed hinge block (24) at one end, and an external threaded ring (18) is fixedly installed on one end of the fixed hinge block (24).

7. The microbial community screening device according to claim 6, characterized in that: The outer surface of the external threaded ring (18) is connected to the built-in threaded sleeve (17) by a thread. The outer surface of the built-in threaded sleeve (17) is fixedly connected to the sliding frame (9). The sliding frame (9) is rotatably connected to the inside of the external mounting plate (1). One end of the sliding frame (9) is fixedly connected to the positioning handle (8).

8. The microbial community screening device according to claim 7, characterized in that: The outer surface of the built-in threaded sleeve (17) is fixedly connected to a hollow bonding block (31), the top of the annular culture box (10) is fixedly connected to a rubber slot (6), a cover lever (5) is inserted into the inside of the rubber slot (6), and there are four sets of clamping blocks (16). Each two sets of clamping blocks (16) are respectively set to clamp the upper and lower ends of the annular culture box (10).

9. The microbial community screening device according to claim 8, characterized in that: The piston positioning push block (32) is sealed to the inside of the annular culture box (10). The piston positioning push block (32) is pushed up and down by the threaded rod (19) and the built-in threaded gear (22).

10. A microbial community screening device according to claim 9, characterized in that: The external threaded ring (18) is set in a sliding state by the threaded guide of the built-in threaded sleeve (17). The inclined push spring (33) is set in a compressed state in contact with the inner wall of the hollow piston tube (11). There are multiple sets of spray connectors (7). The spray connector (7) located at the upper end of the corresponding flow hole (38) is deflected upward about the horizontal plane, and the spray connector (7) located at the lower end of the corresponding flow hole (38) is deflected downward about the horizontal plane.

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