Microorganism cultivation sampling device
By setting up partitions and sampling holes in microbial petri dishes and designing a microbial culture sampling device, the problem of excessive environmental contact during sampling of microbial petri dishes in the prior art is solved, and the accuracy of experimental results is improved.
Patent Information
- Application Number
- CN202420591588.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-26
AI Technical Summary
When sampling the existing microbial petri dish, the lid of the dish is completely opened, resulting in excessive contact between the microbial living environment and the external environment, affecting the experimental results.
A microbial cultivation sampling device is designed. By setting a partition inside the culture dish, the cavity is divided into a culture cavity and a sampling cavity. A sampling hole is opened on the surface of the dish cover. The sampling dropper can be inserted into the sampling hole for sampling, and sealed through a dust-proof cover to avoid contact with the external environment.
It effectively reduces the impact of the external environment on the microbial living environment and improves the accuracy of experimental results.
Smart Images

Figure CN222631431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of microbial cultivation, in particular to a microbial cultivation sampling device. Background Art
[0002] Microorganisms include: bacteria, viruses, fungi, and some small protozoa, microscopic algae, etc. They are small in size and closely related to humans. They are widely involved in many fields such as food, medicine, industry and agriculture, environmental protection, sports, etc. The cultivation of microorganisms has extremely high requirements on the environment. Temperature, humidity and cultivation time are closely related to the survival of microorganisms. When cultivating microorganisms, it is necessary to always pay attention to the state of the culture dish and adjust the cultivation environment in time. If necessary, it is necessary to sample and observe the microorganisms in the culture dish. Most existing culture dishes are simple glassware, consisting of a dish box and a dish cover. When sampling, the dish cover needs to be completely opened. The microorganisms in the dish box are in contact with the external environment too much, which is easy to change the living environment of the microorganisms and affect the experimental results. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a microorganism cultivation sampling device.
[0004] The microorganism cultivation sampling device provided by the utility model comprises: a cultivation dish body, a dish cover, a card cover, a dust cover and a sampling dropper. The cultivation dish body is a shallow circular box body structure. The dish cover is covered at the opening of the cultivation dish body. A partition is arranged inside the cultivation dish body. The partition divides the cavity of the cultivation dish body into a cultivation cavity and a sampling cavity. A sampling hole is arranged on the surface of the dish cover. The sampling dropper can be inserted into the sampling hole to sample the microorganism culture solution in the cultivation cavity. After the sampling dropper is pulled out of the sampling hole, the dust cover can be embedded in the sampling hole to seal it. A sampling port is arranged on the side of the dish cover. The sampling port is closed by covering with the card cover. The card cover can be opened to sample the nutrient solution in the sampling cavity.
[0005] Preferably, a positioning shaft cylinder is arranged at the center of the bottom plate inside the culture dish body, and the positioning shaft cylinder is integrally connected with the culture dish body.
[0006] Preferably, two groups of partitions are arranged inside the culture dish body, one end of the two groups of partitions is connected to the side of the positioning shaft cylinder at an acute angle, the other end of the partition is connected to the side wall of the culture dish body, the partition is connected to the bottom plate of the culture dish body, and a pipe groove is provided on the surface of the partition.
[0007] Preferably, a positioning shaft is integrally connected to the center of the inner surface of the bottom plate of the dish cover, and the positioning shaft structure is adapted to the inner diameter of the positioning shaft cylinder.
[0008] Preferably, a sampling port is provided on the side of the culture dish body, and sliding slots are provided on two symmetrical sides of the sampling port, and the bottom of the sliding slot is a closed structure.
[0009] Preferably, two groups of sealing blocks are symmetrically arranged on the inner surface of the dish cover bottom plate, the sealing blocks are integrally connected to the dish cover, the sealing block structure is adapted to the pipe groove structure, and the position distribution of the two groups of sealing blocks corresponds to the position of the pipe grooves on the two groups of partitions.
[0010] Preferably, the sampling port and the sampling hole are both located between two groups of sealing blocks.
[0011] Preferably, two symmetrical side surfaces of the card cover are respectively integrally connected with card strips, and when the card cover is embedded in the sampling port and connected with the dish cover, the card strips are embedded in the sliding card slots.
[0012] Compared with the related art, the microbial cultivation sampling device provided by the utility model has the following beneficial effects:
[0013] The utility model provides a partition inside the culture dish body, and the internal cavity of the culture dish body is divided into a culture cavity and a sampling cavity by the partition. At the same time, a sampling hole is opened on the surface of the dish cover, and a sampling dropper can be inserted into the sampling hole to enter the internal cavity of the culture dish body. Rotating the dish cover can drive the sampling dropper to switch and move between the culture cavity and the sampling cavity, take out the nutrient solution containing microorganisms in the culture cavity and drip it into the sampling cavity, and then open the sampling port on the side of the sampling cavity to complete the sampling. During the whole sampling process, the culture cavity does not contact with the external environment, which effectively reduces the influence of the external environment on the living environment of the microorganisms and improves the accuracy of the experimental results. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A schematic structural diagram of a preferred embodiment of the microorganism cultivation sampling device provided by the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of a dish cover partially cut away in the utility model;
[0016] Figure 3 It is a structural schematic diagram of the culture dish body in the utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the dish cover in the utility model;
[0018] Figure 5 for Figure 4 A magnified image of
[0019] Figure 6 This is a schematic diagram of the structure of the bottom of the dish cover in the utility model;
[0020] Figure 7 It is a structural schematic diagram of the card cover in the utility model.
[0021] Numbers in the figure:
[0022] 1. Cultivation dish body; 11. Partition plate; 12. Cultivation chamber; 13. Sampling chamber; 14. Tube slot; 15.
[0023] Positioning shaft cylinder; 2. Dish cover; 21. Sampling port; 22. Sampling hole; 23. Sliding slot; 24. Positioning shaft rod; 25. Sealing block; 3. Card cover; 31. Card strip; 4. Dust cover; 5. Sampling dropper. DETAILED DESCRIPTION
[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. "Multiple" in this specification refers to two or more.
[0026] In the description of this specification, the description with reference to the terms "embodiment", "one embodiment" and "one implementation" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or implementation are included in at least one embodiment or implementation of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or implementation. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or implementations in a suitable manner.
[0027] Combination Figure 1-7 As shown, the embodiment of the utility model provides a microorganism cultivation sampling device, including: a cultivation dish body 1, a dish cover 2, a card cover 3, a dust cover 4 and a sampling dropper 5. The cultivation dish body 1 is a shallow circular box structure. The opening of the cultivation dish body 1 is covered with the dish cover 2. A partition 11 is arranged inside the cultivation dish body 1. The partition 11 divides the cavity of the cultivation dish body 1 into a cultivation cavity 12 and a sampling cavity 13. A sampling hole 22 is opened on the surface of the dish cover 2. The sampling dropper 5 can be inserted into the sampling hole 22 to sample the microbial culture solution in the cultivation cavity 12. After the sampling dropper 5 is pulled out of the sampling hole 22, it can be embedded in the sampling hole 22 by the dust cover 4 to seal it. A sampling port 21 is opened on the side of the dish cover 2. The sampling port 21 is closed by the card cover 3. The card cover 3 can be opened to sample the nutrient solution in the sampling cavity 13.
[0028] The cultivation chamber 12 in the cultivation dish body 1 is used as a place for cultivating microorganisms. The microorganism culture liquid is poured into the cultivation chamber 12 to provide sufficient nutrients for the survival of the microorganisms. After the sampling dropper 5 is inserted into the sampling hole 22, the sampling dropper 5 can be driven to move inside the cultivation dish body 1 by rotating the dish cover 2. The sampling dropper 5 is moved to the cultivation chamber 12 to sample the nutrient solution in the cultivation chamber 12, and then the dish cover 2 is rotated to rotate the sampling dropper 5 to the sampling chamber 13, and the liquid obtained by the sampling dropper 5 is dripped into the sampling chamber 13. So far, the dish cover 2 is not opened during the whole process, and the cultivation chamber 12 is not in contact with the external environment, which effectively avoids the influence of the external environment on the remaining nutrient solution in the cultivation chamber 12. The liquid dripped into the sampling chamber 13 can be taken out from the outside of the cultivation dish body 1 by opening the card cover 3 to complete the sampling.
[0029] A positioning shaft cylinder 15 is provided at the center of the bottom plate inside the culture dish body 1, and the positioning shaft cylinder 15 is integrally connected to the culture dish body 1. Two groups of partitions 11 are provided inside the culture dish body 1, and one end of the two groups of partitions 11 is integrally connected to the side of the positioning shaft cylinder 15 at an acute angle, and the other end of the partition 11 is integrally connected to the side wall of the culture dish body 1, and the partition 11 is integrally connected to the bottom plate of the culture dish body 1. A pipe groove 14 is provided on the surface of the partition 11, and the partition 11 and the culture dish body 1 are sealed. The top edge of the side wall of the culture dish body 1 between the acute angles of the two groups of partitions 11 is lower than the top edge of the side wall of the culture dish body 1 between the obtuse angles of the two groups of partitions 11. After the dish cover 2 is closed on the culture dish body 1, the culture chamber 12 and the sampling chamber 13 can be connected through the pipe groove 14.
[0030] A positioning shaft rod 24 is integrally connected to the center of the inner surface of the bottom plate of the dish cover 2. The structure of the positioning shaft rod 24 is adapted to the inner diameter of the positioning shaft cylinder 15. When the dish cover 2 is closed on the culture dish body 1, the positioning shaft rod 24 is embedded in the positioning shaft cylinder 15. The dish cover 2 can rotate with the culture dish body 1, and the inner surface of the bottom plate of the dish cover 2 is in contact with the top edge of the culture dish body 1. A sampling port 21 is provided on the side of the culture dish body 1. Sliding slots 23 are respectively provided on two symmetrical sides of the sampling port 21, and the bottom of the sliding slot 23 is a closed structure.
[0031] Two groups of sealing blocks 25 are symmetrically arranged on the inner surface of the bottom plate of the dish cover 2. The sealing blocks 25 are integrally connected to the dish cover 2. The structure of the sealing blocks 25 is adapted to the structure of the tube slot 14. The position distribution of the two groups of sealing blocks 25 corresponds to the position of the tube slot 14 on the two groups of partitions 11. The sampling port 21 and the sampling hole 22 are both located between the two groups of sealing blocks 25. When the dish cover 2 is closed on the culture dish body 1 and the sampling port 21 corresponds to the position of the sampling cavity 13, the sealing blocks 25 are respectively embedded in the corresponding tube slot 14 to seal it. At this time, the sampling hole 22 is located above the sampling cavity 13, and the card cover 3 seals the sampling cavity 13. The symmetrical sides of the card cover 3 are respectively integrally connected with card strips 31. When the card cover 3 is embedded in the sampling port 21 and connected with the dish cover 2, the card strip 31 is embedded in the sliding card slot 23.
[0032] Although the disclosure is as above, the protection scope of the disclosure is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the utility model.
Claims
1. A microbial cultivation sampling device, comprising: A culture dish body (1), a dish cover (2), a card cover (3), a dust cover (4) and a sampling dropper (5), characterized in that: the culture dish body (1) is a shallow circular box structure, the opening of the culture dish body (1) is covered with a dish cover (2), a partition (11) is arranged inside the culture dish body (1), the partition (11) divides the cavity of the culture dish body (1) into a culture cavity (12) and a sampling cavity (13), and a sampling hole (13) is opened on the surface of the dish cover (2) 22), a sampling dropper (5) can be inserted into the sampling hole (22) to sample the microorganism culture solution in the cultivation chamber (12); after the sampling dropper (5) is pulled out of the sampling hole (22), the sampling hole (22) can be sealed by inserting the dust cover (4); a sampling port (21) is opened on the side of the dish cover (2); the sampling port (21) is closed by a card cover (3); the card cover (3) can be opened to sample the nutrient solution in the sampling chamber (13).
2. The microorganism cultivation sampling device according to claim 1, characterized in that: A positioning shaft cylinder (15) is arranged at the center of the bottom plate inside the culture dish body (1), and the positioning shaft cylinder (15) is integrally connected to the culture dish body (1).
3. The microorganism cultivation sampling device according to claim 1, characterized in that: Two groups of partitions (11) are arranged inside the culture dish body (1), one end of the two groups of partitions (11) is integrally connected to the side of the positioning shaft cylinder (15) at an acute angle, the other end of the partition (11) is integrally connected to the side wall of the culture dish body (1), the partition (11) is integrally connected to the bottom plate of the culture dish body (1), and a pipe passing groove (14) is provided on the surface of the partition (11).
4. The microorganism cultivation sampling device according to claim 1, characterized in that: A positioning shaft rod (24) is integrally connected to the center of the inner surface of the bottom plate of the dish cover (2), and the structure of the positioning shaft rod (24) is adapted to the inner diameter of the positioning shaft cylinder (15).
5. The microorganism cultivation sampling device according to claim 1, characterized in that: The culture dish body (1) is provided with a sampling port (21) on the side thereof, and sliding slots (23) are respectively provided on two symmetrical side surfaces of the sampling port (21), and the bottom of the sliding slots (23) is a closed structure.
6. The microorganism cultivation sampling device according to claim 1, characterized in that: Two groups of sealing blocks (25) are symmetrically arranged on the inner surface of the bottom plate of the dish cover (2); the sealing blocks (25) are integrally connected to the dish cover (2); the structure of the sealing blocks (25) is compatible with the structure of the pipe groove (14); and the position distribution of the two groups of sealing blocks (25) corresponds to the position of the pipe groove (14) on the two groups of partitions (11).
7. The microorganism cultivation sampling device according to claim 1, characterized in that: The sampling port (21) and the sampling hole (22) are both located between the two groups of sealing blocks (25).
8. The microorganism cultivation sampling device according to claim 1, characterized in that: The two symmetrical side surfaces of the card cover (3) are respectively integrally connected with card strips (31); when the card cover (3) is embedded in the sampling port (21) and connected with the dish cover (2), the card strip (31) is embedded in the sliding card slot (23).