Bacterial culture device for genetic engineering

Abstract

The invention belongs to the technical field of bacterial culture, and particularly relates to a bacterial culture device for genetic engineering, which comprises a box body, and a plurality of air inlets and air outlets are formed in the box body; the air inlet and the air outlet are both communicated with the interior of the ventilation shell; the limiting mechanism is arranged at the top of the partition plate; the illumination mechanism is arranged at the bottom of the partition plate and used for adjusting illumination for bacterial culture; the heating mechanism is used for adjusting the temperature of bacterial culture. The illumination conditions of the culture dishes can be adjusted through the lamp tubes of the illumination mechanisms, the illumination conditions of the multiple culture dishes can be independently adjusted conveniently, the culture dishes in the corresponding ventilation shells can be heated through the multiple heating mechanisms, the temperature conditions of the culture dishes in the different ventilation shells are different, and the illumination conditions of the culture dishes in the different ventilation shells are adjusted. And the plurality of culture dishes can be in different temperature conditions.

Description

Technical Field

[0001] The invention belongs to the technical field of bacterial culture, and in particular relates to a bacterial culture device for genetic engineering. Background Art

[0002] Genetic engineering is a biotechnology that splices and recombines genes from different sources to change the original genetic characteristics of organisms or obtain new varieties and produce new products. In genetic engineering, genetically modified bacteria are often cultured and proliferated through bacterial culture devices. The bacterial culture device is mainly composed of a box, a temperature control system, and a light control system. When in use, the culture dish containing bacteria is placed in the box, and the temperature and light inside the box are adjusted by the temperature control system and the light control system to make the bacteria in the culture dish in suitable culture conditions.

[0003] During use, existing bacterial culture devices for genetic engineering usually stack multiple culture dishes and place them in a constant temperature box. The temperature conditions of all culture dishes in the constant temperature box are the same, which makes it difficult to culture bacteria that require different temperature conditions at the same time. In addition, the light conditions of all culture dishes in the constant temperature box are the same, which makes it difficult to culture bacteria that require different light conditions at the same time. The applicability and convenience of bacterial culture are insufficient. Summary of the invention

[0004] The object of the present invention is to provide a bacterial culture device for genetic engineering, which can adjust the lighting conditions of the culture dishes through the lamp tube of the lighting mechanism, so as to facilitate the individual adjustment of the lighting conditions of multiple culture dishes, and can heat the culture dishes in the corresponding ventilation shells through multiple heating mechanisms, so that the temperature conditions of the culture dishes in different ventilation shells are different, so as to facilitate the multiple culture dishes to be placed in different temperature conditions.

[0005] The technical solution adopted by the present invention is as follows:

[0006] A bacterial culture device for genetic engineering, comprising:

[0007] A box body, wherein a plurality of air inlets and air outlets are provided inside the box body;

[0008] A ventilation shell, wherein the ventilation shell is provided with a plurality of partitions fixedly connected to the interior of the box body, wherein the interior of the ventilation shell is fixedly connected with a plurality of partitions in a vertical direction, and adjacent partitions are staggered, and the air inlet and the air outlet are both connected to the interior of the ventilation shell;

[0009] A limiting mechanism, wherein the limiting mechanism is arranged on the top of the partition;

[0010] An illumination mechanism, which is arranged at the bottom of the partition and is used to adjust the illumination of the bacterial culture. The illumination mechanism comprises a lifting plate slidably installed at the bottom of the partition in a vertical direction, and a plurality of lamp tubes are fixedly connected to the bottom of the lifting plate. The plurality of lamp tubes are concentrically arranged and their diameters increase from the inside to the outside.

[0011] A heating mechanism, which is arranged in the air inlet and is used to adjust the temperature of bacterial culture. The heating mechanism comprises a connecting shell fixedly connected to the air inlet, a fan is rotatably installed inside the connecting shell, and a heating wire is arranged on a side of the fan close to the ventilation shell, and the heating wire is fixedly connected to the connecting shell;

[0012] Among them, the culture dish containing bacteria is placed in the limiting mechanism for fixing, and the different lighting mechanisms drive the lamp tube to move up and down through the lifting plate to adjust the distance between the lamp tube and the culture dish, so as to adjust the lighting conditions of the corresponding culture dishes, and the different heating mechanisms adjust the temperature of the airflow passing through the ventilation shell by changing the heating temperature of the heating wire, so as to adjust the temperature conditions of the corresponding culture dishes.

[0013] As a preferred embodiment of the bacterial culture device for genetic engineering described in the present invention, an air inlet and an air outlet are respectively provided at both ends of the ventilation shell, the air inlet is connected to the air inlet, the air outlet is connected to the air outlet, and the partition is located between the air inlet and the air outlet.

[0014] As a preferred solution of the bacterial culture device for genetic engineering described in the present invention, a plurality of first sliding holes are opened inside the lifting plate, a plurality of first sliding columns are fixedly connected to the bottom of the partition, the first sliding columns and the first sliding holes slide in cooperation with each other in the vertical direction, a first screw is rotatably connected to the bottom of the partition, and the first screw is threadedly connected to the lifting plate.

[0015] As a preferred embodiment of the bacterial culture device for genetic engineering described in the present invention, the limiting mechanism includes a lifting ring slidably installed on the top of the partition along the vertical direction, a plurality of limiting clamps are circumferentially arranged on the lifting ring, the limiting clamps are slidably installed on the lifting ring along the radial direction, and a pressure plate is slidably installed on the top of the lifting ring along the vertical direction.

[0016] As a preferred solution of the bacterial culture device for genetic engineering described in the present invention, a plurality of second sliding holes are opened inside the lifting ring, a plurality of second sliding columns are fixedly connected to the top of the partition, the second sliding columns and the second sliding holes slide in cooperation with each other in the vertical direction, a second screw is rotatably connected to the top of the partition, and the second screw is threadedly connected to the lifting ring.

[0017] As a preferred solution of the bacterial culture device for genetic engineering described in the present invention, a sliding groove is radially opened on one side of the lifting ring close to the limiting clamp, the limiting clamp is slidably matched with the sliding groove, a plurality of first springs are connected between the limiting clamp and the sliding groove, and a roller is rotatably connected to the top of the limiting clamp.

[0018] As a preferred embodiment of the bacterial culture device for genetic engineering described in the present invention, a column is fixedly connected to the top of the lifting ring, the pressure plate and the column slide together in the vertical direction, and a plurality of second springs are connected between the top of the pressure plate and the column.

[0019] As a preferred embodiment of the bacterial culture device for genetic engineering described in the present invention, one end of the pressing plate away from the lifting ring is rotatably connected to a plurality of rollers, and the outer sides of the rollers extend below the pressing plate.

[0020] As a preferred solution of the bacterial culture device for genetic engineering described in the present invention, a first filter plate is arranged on the side of the fan away from the ventilation shell, and the first filter plate is fixedly connected to the connecting shell.

[0021] As a preferred solution of the bacterial culture device for genetic engineering described in the present invention, a second filter plate is arranged on the outer side of the gas outlet, and the second filter plate is fixedly connected to the outer wall of the box body.

[0022] The technical effects achieved by the present invention are:

[0023] The present invention adopts the design of an illumination mechanism, which can adjust the illumination conditions of the culture dish through the lamp tube. The lifting plate drives the lamp tube to move up and down along the partition plate, and then adjusts the distance between the lamp tube and the culture dish to adjust the illumination intensity. The illumination intensity is adjusted by adjusting the number of lamp tubes turned on. By turning on lamp tubes of different diameters to adapt to culture dishes of different diameters, it is convenient to adjust the illumination conditions of multiple culture dishes separately. Compared with the traditional method, it is less difficult to simultaneously culture bacteria that require different illumination conditions, and the applicability and convenience of bacterial culture are improved.

[0024] The present invention adopts the design of a ventilation shell and a heating mechanism. Multiple heating mechanisms heat the culture dishes in the corresponding ventilation shells, so that the temperature conditions of the culture dishes in different ventilation shells are different. After the fan starts working, it inhales external gas. The gas is heated by the electric heating wire and moves to the inside of the ventilation shell to heat the culture dishes, and is discharged to the outside through the air outlet. The temperature of the culture dishes is adjusted by adjusting the heating temperature of the electric heating wire, which makes it convenient to put multiple culture dishes in different temperature conditions. Compared with the traditional method, it is less difficult to culture bacteria that require different temperature conditions at the same time, and the convenience of bacterial culture is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention from an overall angle;

[0026] Figure 2 It is a schematic diagram of the structure of the present invention from another angle;

[0027] Figure 3 is a cross-sectional schematic diagram of an air inlet and an air outlet in the present invention;

[0028] Figure 4 It is a cross-sectional schematic diagram of the limiting mechanism and the illumination mechanism in the present invention;

[0029] Figure 5 is a cross-sectional schematic diagram of the ventilation housing in the present invention;

[0030] Figure 6 It is a schematic diagram of the structure of the limiting mechanism and the illumination mechanism in the present invention;

[0031] Figure 7 It is a structural schematic diagram of the illumination mechanism in the present invention;

[0032] Figure 8 It is a structural schematic diagram of the limiting mechanism in the present invention;

[0033] Fig. 9 It is a schematic diagram of the structure of the limit clamp and the pressure plate in the present invention;

[0034] Fig.10 It is a structural schematic diagram of a heating mechanism in the present invention at one angle;

[0035] Fig.11 It is a structural schematic diagram of the heating mechanism in the present invention from another angle.

[0036] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0037] 10. Box body; 11. Air inlet; 12. Air outlet; 13. Second filter plate; 20. Ventilation shell; 21. Partition plate; 211. First slide column; 212. Second slide column; 22. Air inlet; 23. Air outlet; 30. Limiting mechanism; 31. Lifting ring; 311. Second slide hole; 312. Slide groove; 313. Post; 32. Limiting clamp; 321. Roller; 33. Pressing plate; 331. Roller; 34. Second screw; 35. First spring; 36. Second spring; 40. Illuminating mechanism; 41. Lifting plate; 411. First slide hole; 42. Lamp tube; 43. First screw; 50. Heating mechanism; 51. Connecting shell; 52. Fan; 53. Heating wire; 54. First filter plate. DETAILED DESCRIPTION

[0038] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention, and does not strictly limit the scope of protection of the specific claims of the present invention.

[0039] Example 1

[0040] like Figures 1 to 10 As shown, it is the first embodiment of the present invention, which provides a bacterial culture device for genetic engineering, including a box body 10, wherein a plurality of air inlets 11 and air outlets 12 are provided inside the box body 10; a ventilation shell 20, wherein the ventilation shell 20 is provided with a plurality of partitions 21 which are fixedly connected to the inside of the box body 10, wherein the inside of the ventilation shell 20 is fixedly connected with a plurality of partitions 21 along the vertical direction, wherein adjacent partitions 21 are staggered, wherein the air inlets 11 and the air outlets 12 are both connected to the inside of the ventilation shell 20; a limiting mechanism 30, wherein the limiting mechanism 30 is provided at the top of the partition 21; and an illumination mechanism 40, wherein the illumination mechanism 40 is provided at the bottom of the partition 21. A part for adjusting the illumination for bacterial culture, the illumination mechanism 40 comprises a lifting plate 41 slidably mounted on the bottom of the partition 21 along a vertical direction, a plurality of lamp tubes 42 are fixedly connected to the bottom of the lifting plate 41, the plurality of lamp tubes 42 are concentrically arranged and the diameters increase sequentially from the inside to the outside; a heating mechanism 50, the heating mechanism 50 is arranged in the air inlet 11, and is used to adjust the temperature of bacterial culture, the heating mechanism 50 comprises a connecting shell 51 fixedly connected to the air inlet 11, a fan 52 is rotatably mounted inside the connecting shell 51, a heating wire 53 is arranged on the side of the fan 52 close to the ventilation shell 20, and the heating wire 53 is fixedly connected to the connecting shell 51.

[0041] It should be noted that the heating mechanism 50 works similarly to a hair dryer, which is a prior art. The thermistor used for constant temperature control changes its resistance value according to temperature changes, thereby controlling the working state of the heating wire 53. The heating temperature of the heating wire 53 is affected by adjusting the current to achieve adjustable temperature control, which will not be described in detail here.

[0042] When the present invention is in use, the culture dish containing bacteria is placed in the limiting mechanism 30, and the limiting mechanism 30 limits and fixes the culture dish. After the lamp tube 42 is working, it provides light for the culture dish. After the lamp tube 42 moves up and down along the bottom of the partition 21 with the lifting plate 41, the distance between the lamp tube 42 and the culture dish is adjusted to adjust the light intensity received by the culture dish. The light intensity is adjusted by adjusting the number of lamp tubes 42 turned on. By turning on lamp tubes 42 of different diameters to adapt to culture dishes of different diameters, it is convenient to adjust the light conditions of multiple culture dishes separately. Compared with the traditional method, it is difficult to simultaneously illuminate bacteria that require different light conditions. The situation of culturing at the same time improves the applicability and convenience of bacterial culture, and after the fan 52 works, the gas outside the device is sucked into the ventilation shell 20 through the air inlet 11, and discharged to the outside of the device through the air outlet 12, wherein the gas is heated when passing through the electric heating wire 53, and the heated gas passes through the ventilation shell 20 to heat the culture dish in the ventilation shell 20. By adjusting the heating temperature of the electric heating wire 53, the temperature of the culture dish is adjusted, so that multiple culture dishes are placed in different temperature conditions. Compared with the traditional method, it is less difficult to simultaneously culture bacteria that require different temperature conditions, and the convenience of bacterial culture is improved.

[0043] Example 2

[0044] Reference Figures 1 to 11 , which is the second embodiment of the present invention, and this embodiment is based on the previous embodiment.

[0045] like Figure 4 and Figure 5 As shown, an air inlet 22 and an air outlet 23 are respectively provided at both ends of the ventilation shell 20 . The air inlet 22 is connected to the air inlet 11 , and the air outlet 23 is connected to the air outlet 12 . The partition plate 21 is located between the air inlet 22 and the air outlet 23 .

[0046] It should be noted that an “S”-shaped gas passage is formed in the ventilation housing 20 between the air inlet 22 , the air outlet 23 and the plurality of partitions 21 .

[0047] According to the above structure, after the heating mechanism 50 heats the gas, the heated gas moves from the air inlet 11 through the air inlet 22 to the interior of the ventilation shell 20, moves upward along a number of partitions 21 to the air outlet 23 and is discharged through the air outlet 12. In this process, the heated gas heats the culture dish and provides temperature conditions for the bacteria in the culture dish.

[0048] like Figure 7As shown, a plurality of first sliding holes 411 are opened inside the lifting plate 41, a plurality of first sliding columns 211 are fixedly connected to the bottom of the partition 21, the first sliding columns 211 slide and cooperate with the first sliding holes 411 in the vertical direction, a first screw 43 is rotatably connected to the bottom of the partition 21, and the first screw 43 is threadedly connected to the lifting plate 41.

[0049] It should be noted that a first hexagonal countersunk hole is formed at the lower end of the first screw rod 43 to facilitate an operator to use a tool to rotate the first screw rod 43 .

[0050] According to the above structure, when it is necessary to adjust the distance between the lamp tube 42 and the culture dish, the first screw 43 is rotated. Since the first screw 43 is threadedly connected to the lifting plate 41, the first screw 43 drives the lifting plate 41 to move up and down along the bottom of the partition 21, and the lifting plate 41 drives the lamp tube 42 to move up and down to adjust the height position of the lamp tube 42, thereby adjusting the distance between the lamp tube 42 and the culture dish, which is convenient for adjusting the light intensity received by the culture dish, so as to adjust the light conditions of the bacteria in the culture dish.

[0051] like Figure 8 and Fig. 9 As shown, the limiting mechanism 30 includes a lifting ring 31 slidably installed on the top of the partition 21 along the vertical direction, a plurality of limiting clamps 32 are circumferentially arranged on the lifting ring 31, the limiting clamps 32 are slidably installed on the lifting ring 31 along the radial direction, and a pressure plate 33 is slidably installed on the top of the lifting ring 31 along the vertical direction.

[0052] It should be noted that, in the initial state, there is a gap between the lifting ring 31 and the top of the partition plate 21, so that the heated gas can heat the bottom of the culture dish when passing through the gap.

[0053] According to the above structure, the culture dish containing bacteria is inserted into the lifting ring 31 in the horizontal direction, the limiting clamp 32 clamps the culture dish in the radial direction and limits the culture dish in the horizontal direction, and the pressing plate 33 presses down the culture dish, so that the pressing plate 33 and the limiting clamp 32 limit the culture dish in the vertical direction, thereby realizing the limiting and fixing of the culture dish.

[0054] like Figure 8 and Fig. 9 As shown, a plurality of second sliding holes 311 are opened inside the lifting ring 31, a plurality of second sliding columns 212 are fixedly connected to the top of the partition 21, the second sliding columns 212 slide and cooperate with the second sliding holes 311 in the vertical direction, and a second screw 34 is rotatably connected to the top of the partition 21, and the second screw 34 is threadedly connected to the lifting ring 31.

[0055] It should be noted that a second hexagonal countersunk hole is formed at the upper end of the second screw rod 34 to facilitate an operator to use a tool to rotate the second screw rod 34 .

[0056] According to the above structure, when it is necessary to adjust the distance between the bottom of the culture dish and the partition 21, the second screw 34 is rotated. Since the second screw 34 is threadedly connected to the lifting ring 31, the second screw 34 drives the lifting ring 31 to move up and down along the top of the partition 21, and the lifting ring 31 drives the limit clamp 32 to move up and down to adjust the height position of the culture dish, thereby adjusting the distance between the bottom of the culture dish and the top of the partition 21, so that the heated gas can pass through the gap between the bottom of the culture dish and the partition 21, so as to heat the bottom of the culture dish, reduce the situation in which it is difficult to heat the bottom of the culture dish when multiple culture dishes are stacked together in the traditional way, and facilitate the adjustment of the temperature conditions of the bacteria in the culture dish.

[0057] like Fig. 9 As shown, a slide groove 312 is radially opened on one side of the lifting ring 31 close to the limiting clamp 32, the limiting clamp 32 is slidably matched with the slide groove 312, a plurality of first springs 35 are connected between the limiting clamp 32 and the slide groove 312, and a roller 321 is rotatably connected to the top of the limiting clamp 32.

[0058] According to the above structure, after the culture dish is placed in the limiting mechanism 30, the bottom of the culture dish contacts the limiting clamp 32, so that the limiting clamp 32 supports the bottom of the culture dish upward, and the first spring 35 pushes the limiting clamp 32 to move inward along the lifting ring 31 under the elastic action, so that the limiting clamp 32 drives the roller 321 close to the outer wall of the culture dish, so that a plurality of limiting clamps 32 limit the culture dish, wherein the limiting clamp 32 cooperates with the slide groove 312, so that the process of the limiting clamp 32 sliding radially along the lifting ring 31 is more stable.

[0059] like Fig. 9 As shown, a column 313 is fixedly connected to the top of the lifting ring 31 , the pressing plate 33 and the column 313 are slidably matched along the vertical direction, and a plurality of second springs 36 are connected between the top of the pressing plate 33 and the column 313 .

[0060] According to the above structure, after the culture dish is placed in the limiting mechanism 30, the second spring 36 pushes the pressure plate 33 downward under the elastic action, so that the pressure plate 33 and the limiting clamp 32 limit the culture dish in the vertical direction, which is convenient for fixing the culture dish. Among them, the pressure plate 33 cooperates with the column 313, so that the sliding process of the pressure plate 33 along the lifting ring 31 is more stable.

[0061] like Fig. 9 As shown, one end of the pressing plate 33 away from the lifting ring 31 is rotatably connected to a plurality of rollers 331 , and the outer sides of the rollers 331 extend to the bottom of the pressing plate 33 .

[0062] According to the above structure, during the process of inserting the culture dish into the limiting mechanism 30, the top of the culture dish contacts the outer side of the roller 331, so that the roller 331 and the top of the culture dish roll relative to each other, which is convenient for reducing the interference friction between the pressing plate 33 and the top of the culture dish when the culture dish moves relative to the pressing plate 33 during the process of inserting the culture dish into the limiting mechanism 30.

[0063] like Figure 2 and Fig.11 As shown, a first filter plate 54 is provided on a side of the fan 52 away from the ventilation housing 20 , and the first filter plate 54 is fixedly connected to the connecting housing 51 .

[0064] According to the above structure, when the fan 52 inhales the gas outside the device, the first filter plate 54 prevents dust and other impurities in the external gas from entering the interior of the device, thereby reducing the situation where dust and other impurities enter the ventilation shell 20 and contaminate the culture dish and the bacteria in the culture dish.

[0065] like Figure 2 and Figure 3 As shown, a second filter plate 13 is disposed outside the air outlet 12 , and the second filter plate 13 is fixedly connected to the outer wall of the box body 10 .

[0066] According to the above structure, the second filter plate 13 prevents dust and other impurities outside the device from entering the ventilation shell 20 through the air outlet 12, thereby reducing the contamination of the culture dish and bacteria in the culture dish in the ventilation shell 20 by dust and other impurities.

[0067] The working principle of the present invention is as follows: the limiting mechanism 30 limits and fixes the culture dish placed in the limiting mechanism 30, and adjusts the distance between the lamp tube 42 and the culture dish, and adjusts the number of the plurality of lamp tubes 42 that are turned on to adjust the light intensity received by the bacteria in the culture dish. By turning on the lamp tubes 42 of different diameters among the plurality of lamp tubes 42 to adapt to culture dishes of different diameters, it is convenient to adjust the lighting conditions of the plurality of culture dishes in the device separately, thereby improving the applicability and convenience of bacterial culture, and the plurality of ventilation shells 20 separate the culture dishes, so that the plurality of heating mechanisms 50 heat the culture dishes in the corresponding ventilation shells 20 after working, thereby facilitating the adjustment of the temperature conditions of the bacteria in different culture dishes, thereby improving the convenience of bacterial culture.

[0068] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A bacterial culture device for genetic engineering, characterized in that: include: A box body (10), wherein a plurality of air inlets (11) and air outlets (12) are provided inside the box body (10); A ventilation shell (20), wherein the ventilation shell (20) is provided with a plurality of partitions (21) which are all fixedly connected to the interior of the box body (10), the interior of the ventilation shell (20) is fixedly connected with a plurality of partitions (21) in a vertical direction, and adjacent partitions (21) are arranged alternately, and the air inlet (11) and the air outlet (12) are both connected to the interior of the ventilation shell (20); A limiting mechanism (30), wherein the limiting mechanism (30) is arranged on the top of the partition (21); An illumination mechanism (40), the illumination mechanism (40) being arranged at the bottom of the partition (21) and used for adjusting illumination for bacterial culture, the illumination mechanism (40) comprising a lifting plate (41) slidably mounted on the bottom of the partition (21) in a vertical direction, a plurality of lamp tubes (42) being fixedly connected to the bottom of the lifting plate (41), the plurality of lamp tubes (42) being concentrically arranged and having diameters increasing in sequence from the inside to the outside; A heating mechanism (50), the heating mechanism (50) being arranged in the air inlet (11) and used for adjusting the temperature of bacterial culture, the heating mechanism (50) comprising a connecting shell (51) fixedly connected to the air inlet (11), a fan (52) being rotatably mounted inside the connecting shell (51), a heating wire (53) being arranged on a side of the fan (52) close to the ventilation shell (20), the heating wire (53) being fixedly connected to the connecting shell (51); The culture dish containing bacteria is placed in the limiting mechanism (30) for fixation, and the different lighting mechanisms (40) drive the lamp tube (42) to move up and down through the lifting plate (41) to adjust the distance between the lamp tube (42) and the culture dish, so as to adjust the lighting conditions of the corresponding culture dishes, and the different heating mechanisms (50) adjust the temperature of the airflow passing through the ventilation shell (20) by changing the heating temperature of the electric heating wire (53), so as to adjust the temperature conditions of the corresponding culture dishes.

2. The bacterial culture device for genetic engineering according to claim 1, characterized in that: An air inlet (22) and an air outlet (23) are respectively provided at both ends of the ventilation shell (20); the air inlet (22) is connected to the air inlet (11); the air outlet (23) is connected to the air outlet (12); and the partition plate (21) is located between the air inlet (22) and the air outlet (23).

3. The bacterial culture device for genetic engineering according to claim 1, characterized in that: A plurality of first sliding holes (411) are provided inside the lifting plate (41); a plurality of first sliding columns (211) are fixedly connected to the bottom of the partition plate (21); the first sliding columns (211) and the first sliding holes (411) are slidably matched in a vertical direction; a first screw rod (43) is rotatably connected to the bottom of the partition plate (21); and the first screw rod (43) is threadedly connected to the lifting plate (41).

4. The bacterial culture device for genetic engineering according to claim 1, characterized in that: The limiting mechanism (30) comprises a lifting ring (31) slidably mounted on the top of the partition (21) in a vertical direction, a plurality of limiting clamps (32) are circumferentially arranged on the lifting ring (31), the limiting clamps (32) are slidably mounted on the lifting ring (31) in a radial direction, and a pressure plate (33) is slidably mounted on the top of the lifting ring (31) in a vertical direction.

5. The bacterial culture device for genetic engineering according to claim 4, characterized in that: A plurality of second sliding holes (311) are provided inside the lifting ring (31); a plurality of second sliding columns (212) are fixedly connected to the top of the partition (21); the second sliding columns (212) and the second sliding holes (311) are slidably matched in the vertical direction; a second screw rod (34) is rotatably connected to the top of the partition (21); and the second screw rod (34) is threadedly connected to the lifting ring (31).

6. The bacterial culture device for genetic engineering according to claim 4, characterized in that: A sliding groove (312) is radially provided on one side of the lifting ring (31) close to the limiting clamp (32); the limiting clamp (32) and the sliding groove (312) are slidably matched; a plurality of first springs (35) are connected between the limiting clamp (32) and the sliding groove (312); and a roller (321) is rotatably connected to the top of the limiting clamp (32).

7. The bacterial culture device for genetic engineering according to claim 4, characterized in that: The top of the lifting ring (31) is fixedly connected to a column (313), the pressure plate (33) and the column (313) are slidably matched in the vertical direction, and a plurality of second springs (36) are connected between the top of the pressure plate (33) and the column (313).

8. The bacterial culture device for genetic engineering according to claim 4, characterized in that: One end of the pressing plate (33) away from the lifting ring (31) is rotatably connected to a plurality of rollers (331), and the outer sides of the rollers (331) extend below the pressing plate (33).

9. The bacterial culture device for genetic engineering according to claim 1, characterized in that: A first filter plate (54) is provided on a side of the fan (52) away from the ventilation housing (20), and the first filter plate (54) is fixedly connected to the connecting housing (51).

10. The bacterial culture device for genetic engineering according to claim 1, characterized in that: A second filter plate (13) is arranged outside the air outlet (12), and the second filter plate (13) is fixedly connected to the outer wall of the box body (10).

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