Soil microorganism extraction device

Abstract

The utility model discloses a soil microorganism extraction device which comprises a container and a cover plate matched with an opening of the container, a motor is fixed on the top surface of the cover plate, an output shaft of the motor penetrates through the cover plate and is connected with a connecting rod and an impeller, the impeller is connected with a filter layer in the container through a shaft seat arranged on a supporting frame, and the connecting rod is connected with the connecting rod. The filtering layer comprises a supporting frame and a net body, the supporting frame is matched with and abuts against the inner wall of the container, a shaft base is arranged on the supporting frame, and the impeller is rotationally connected with the shaft base so that the cover plate, the connecting rod, the impeller and the supporting frame can be connected into a whole. According to the extraction device, a soil sample is mixed with an extraction solution, so that microorganisms are released from soil particles, and the microorganisms are separated from soil residues by using a filter layer, so that the soil microorganisms are rapidly extracted. The rapid extraction device for the soil microorganisms is high in efficiency, low in loss and easy to operate, the extraction speed and purity of the soil microorganisms can be remarkably improved, and meanwhile the biological activity and diversity of the soil microorganisms are kept.

Description

Technical Field

[0001] The utility model relates to the technical field of soil microorganism extraction, and particularly relates to an extraction device for soil microorganisms. Background Art

[0002] Soil microorganisms play a key role in the ecosystem and participate in many key physiological and biochemical processes including nitrogen cycling, carbon fixation, and organic matter decomposition. Therefore, understanding the composition, activities, and functions of soil microbial communities is crucial for assessing soil quality and health. Soil microorganism extraction technology is a method for extracting microorganisms from soil samples, which can help researchers analyze the microbial composition in soil, including bacteria, fungi, actinomycetes, etc. Traditional microbial extraction methods include physical methods (such as static settlement, oscillation, ultrasonic treatment) and chemical methods (surfactants or enzymes). These methods aim to break the soil structure and release the microbial cells attached to soil particles, but there are problems such as long extraction time, large volume of extraction devices, insufficient extraction, and reduction of microbial activity. Content of the Utility Model

[0003] In view of the above problems, the utility model provides an extraction device for soil microorganisms, which improves the extraction efficiency of soil microorganisms, reduces the loss of soil microbial activity, and solves the problems of long time consumption, large volume of extraction devices, insufficient extraction, and reduction of microbial activity in the traditional microbial extraction process.

[0004] To achieve the above object, the utility model provides the following technical solution: An extraction device for soil microorganisms, comprising a container and a cover plate adapted to the mouth of the container. A motor is fixed on the top surface of the cover plate. The output shaft of the motor passes through the cover plate, and the end of the output shaft is connected with a connecting rod. The other end of the connecting rod is connected with an impeller. A filter layer is also arranged in the container. The filter layer has a support frame, and the support frame is adapted to and abuts against the inner wall of the container. A shaft seat is arranged on the support frame, and the impeller is rotatably connected with the shaft seat so that the cover plate, the connecting rod, the impeller, and the support frame are connected as a whole.

[0005] Preferably, the filter layer further comprises a mesh body connected with the support frame, and the mesh body corresponds to the impeller.

[0006] Preferably, the mesh body comprises a first mesh body located on the support frame.

[0007] Preferably, the mesh body further comprises an auxiliary mesh body, and the auxiliary mesh body is composed of a plurality of filter meshes with a spacing between them. The first mesh body and the plurality of filter meshes are arranged in sequence from top to bottom, and the mesh sizes decrease successively.

[0008] Preferably, the connecting rod has multiple sections, and the sections are detachably connected.

[0009] Preferably, a sealing layer is provided at the bottom end of the cover plate.

[0010] Preferably, the output shaft of the motor is located at the central position of the cover plate.

[0011] Preferably, a vibration motor is provided at the bottom of the container, and a shock pad is provided around the outside of the vibration motor.

[0012] Preferably, the container has a sandwich layer, and a coolant can be added into the sandwich layer.

[0013] Preferably, a heat preservation box is further included, and the heat preservation box includes a box body adapted to the container and a box cover connected to the box body.

[0014] The beneficial effects of the present utility model are as follows: The structure of the present utility model is compact, which is convenient for operation and carrying. By driving the impeller to rotate through the motor, the soil sample can be effectively stirred during the sampling process, promoting the uniform distribution of soil microorganisms, not only improving the uniformity and representativeness of the sample, but also helping to separate the microorganisms from the soil; the built-in filter layer (multi-layer mesh design) can further refine the separation process, effectively filter impurities, separate the microorganisms from the soil residues, and improve the accuracy and efficiency of the sample; the detachable connecting rod and filter layer are convenient for cleaning and maintenance after leaching, ensuring the hygiene and repeated use of the leaching device; the coolant that can be added into the sandwich layer helps to reduce the temperature inside the sampler during leaching, protect the activity of the microorganism sample, and at the same time ensure the temperature stability of the sample during transportation; the vibration motor at the bottom helps to further mix the soil sample, improve the sampling efficiency, and reduce unnecessary vibration transmission through the shock pad; these beneficial effects comprehensively improve the efficiency, accuracy and convenience of soil microorganism leaching, and help scientific researchers and related workers to better conduct research and analysis on soil microorganisms. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following described drawings are only the preferred embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0016] Figure 1 It is a schematic diagram of the internal structure of the present utility model.

[0017] In the above figures: 1. Cover plate; 2. Sealing layer; 3. Motor; 4. Output shaft; 5. Connecting rod; 6. Impeller; 7. Shaft seat; 8. First mesh body; 9. Support frame; 10. Auxiliary mesh body; 11. Oscillating motor; 12. Shock pad; 13. Interlayer; 14. Heat preservation box; 15. Handle; 16. Electric switch. Detailed implementation manners

[0018] The present utility model will be specifically described below through exemplary implementation manners. However, it should be understood that without further description, the elements, structures and features in one implementation manner can also be beneficially combined into other implementation manners.

[0019] An extraction device for soil microorganisms, as shown in Figure 1 shown, includes:

[0020] A container, the shape of the container can be square or cylindrical. The container has a container opening at the top, and a cover plate 1 adapted to the container opening. In order to ensure the sealing between the cover plate 1 and the container opening, a sealing layer 2 is provided at the bottom end of the cover plate 1;

[0021] A motor 3 is fixed on the top surface of the cover plate 1. The output shaft 4 of the motor 3 passes through the cover plate 1. The output shaft 4 of the motor 3 is located at the center position of the cover plate 1. The motor speed is 500 rpm. One end of the output shaft 4 is connected with a connecting rod 5. The connecting rod 5 has multiple sections, and the sections are detachably connected to each other. The other end of the connecting rod 5 is connected with an impeller 6. By driving the impeller 6 to rotate through the motor 3, the soil sample can be effectively stirred during the sampling process, promoting the uniform distribution of soil microorganisms, not only improving the uniformity and representativeness of the sample, but also helping to separate the microorganisms from the soil;

[0022] It further includes a filter layer arranged in the container. The filter layer has a support frame 9. The support frame 9 is adapted to and abuts against the inner wall of the container. The filter layer can further refine the separation process, effectively filter impurities, separate microorganisms from soil residues, improve the precision and efficiency of the sample. A shaft seat 7 is arranged on the support frame 9, and the impeller 6 is rotatably connected to the shaft seat 7, so that the cover plate 1, the connecting rod 5, the impeller 6 and the support frame 9 are connected as a whole.

[0023] In this embodiment, the filter layer further includes a mesh body connected to the support frame 9. The mesh body corresponds to the impeller 6. The mesh body includes a first mesh body 8. The first mesh body 8 is located on the support frame 9, and the aperture of the first mesh body 8 is 250 μm.

[0024] Furthermore, the mesh body further includes an auxiliary mesh body 10. The auxiliary mesh body 10 is composed of multiple filter meshes. There is a spacing between the filter meshes. The first mesh body 8 and the multiple filter meshes are arranged in sequence from top to bottom, and the mesh sizes decrease gradually. The minimum aperture of the auxiliary mesh body 10 is 150 μm.

[0025] To accelerate the leaching speed, a vibration motor 11 is provided at the bottom of the container, and a shock pad 12 is arranged around the outside of the vibration motor 11. The vibration motor 11 at the bottom helps to further mix the soil sample, improve the sampling efficiency, and reduce unnecessary vibration transmission through the shock pad 12.

[0026] Furthermore, the container has a sandwich layer 13, and a coolant can be added into the sandwich layer 13. The coolant that can be added into the sandwich layer 13 helps to reduce the temperature inside the sampler during leaching, protect the activity of the microbial sample, and at the same time ensure the temperature stability of the sample during transportation.

[0027] To maintain the temperature of the leaching solution in the container, a heat preservation box 14 is also included. The heat preservation box 14 includes a box body adapted to the container and a box cover connected to the box body.

[0028] Furthermore, a handle 15 is arranged outside the heat preservation box 14, and an electric switch 16 is arranged at the upper end of the handle 15. The electric switch 16 is signal-connected to the motor 3 and the vibration motor 11.

[0029] As described above, it is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of changes or substitutions, which should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claimed rights.

Claims

1. An extraction device for soil microorganisms, characterized in that, It includes a container and a cover plate (1) adapted to the mouth of the container. A motor (3) is fixed on the top surface of the cover plate (1). The output shaft (4) of the motor (3) passes through the cover plate (1). One end of the output shaft (4) is connected to a connecting rod (5), and the other end of the connecting rod (5) is connected to an impeller (6). It also includes a filter layer arranged in the container. The filter layer has a support frame (9). The support frame (9) is adapted to and abuts against the inner wall of the container. A shaft seat (7) is arranged on the support frame (9), and the impeller (6) is rotatably connected to the shaft seat (7) so that the cover plate (1), the connecting rod (5), the impeller (6) and the support frame (9) are connected as a whole.

2. The extraction device for soil microorganisms according to claim 1, characterized in that: The filter layer further includes a mesh body connected to the support frame (9), and the mesh body corresponds to the impeller (6).

3. The extraction device for soil microorganisms according to claim 2, characterized in that: The mesh body includes a first mesh body (8), and the first mesh body (8) is located on the support frame (9).

4. An extraction device for soil microorganisms according to claim 3, characterized in that: The mesh body further includes an auxiliary mesh body (10). The auxiliary mesh body (10) is composed of a plurality of filter meshes with spaces between them. The first mesh body (8) and the plurality of filter meshes are arranged successively from top to bottom, and the mesh hole sizes decrease gradually.

5. The extraction device for soil microorganisms according to claim 1, characterized in that: The connecting rod (5) has multiple sections, and the sections are detachably connected to each other.

6. The extraction device for soil microorganisms according to claim 1, characterized in that: A sealing layer (2) is provided at the bottom end of the cover plate (1).

7. An extraction device for soil microorganisms according to claim 1, characterized in that: The output shaft (4) of the motor (3) is located at the central position of the cover plate (1).

8. An extraction device for soil microorganisms according to claim 1, characterized in that: An oscillating motor (11) is provided at the bottom of the container, and a shock pad (12) is arranged around the oscillating motor (11).

9. The extraction device for soil microorganisms according to claim 1, characterized in that: The container has a sandwich layer (13), and a coolant can be added to the sandwich layer (13).

10. An extraction device for soil microorganisms according to claim 4, characterized in that: It further includes a heat preservation box (14). The heat preservation box (14) includes a box body adapted to the container and a box cover connected to the box body.

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