Bacterial culture device for inspection

Abstract

The invention discloses a bacterial culture device for inspection, and relates to the technical field of bacterial culture.The bacterial culture device comprises a bottom plate and a culture dish, the lower side of the bottom plate is fixedly connected with a supporting box, the upper side of the bottom plate is provided with a treatment unit, the treatment unit comprises first sliding grooves, and the first sliding grooves are formed in the upper sides of the left end and the right end of the bottom plate; the inner side of the first sliding groove is slidably connected with a sliding plate, the upper side of the sliding plate is fixedly connected with two moving plates, and the upper side of each moving plate is provided with a uniform assembly. According to the bacterial culture device for inspection, by arranging the bottom plate, the first sliding block, the movable plate, the supporting plate, the culture platform, the lifting plate and the motor, when bacteria are cultured in the culture dish, the culture dish is conveniently controlled to move in the left-right direction and the up-down direction and shake along with the culture dish, and meanwhile, flora in the culture dish is promoted to be evenly distributed in cooperation with the inclination action of the culture platform; and an accurate sample is provided for subsequent colony counting and inspection analysis.

Description

Technical Field

[0001] This invention relates to the field of bacterial culture technology, specifically to a bacterial culture device for testing. Background Technology

[0002] Bacterial culture is a commonly used technique in microbiology, medicine, and scientific research, used to isolate, amplify, or identify bacteria. Bacterial culture testing is a key technique in clinical microbiological diagnosis, providing etiological evidence for infectious diseases by isolating, culturing, and identifying pathogens.

[0003] A search revealed a Chinese patent with application number "CN201910904682.1", which describes a contamination-resistant bacterial culture device for a laboratory. The device includes a dish body and a cover on top of the dish body. A base is located below the dish body, and a connecting shell is installed between the dish body and the base. The connecting shell and the dish body are an integral structure. A mesh screen and a positioning screen are respectively installed on the upper and lower surfaces of the base. By rotating the positioning screen at the bottom of the base from the through groove, the bacterial culture medium inside the connecting shell can be quickly discharged through the mesh screen and through groove. The small cap above the connecting column can be opened, and the culture medium can be reinjected into the dish body using an external dropper or syringe.

[0004] The aforementioned patent uses petri dishes for bacterial culture. Since the petri dishes are in a static state, non-motile bacteria settle to the bottom of the dish due to gravity, resulting in a low bacterial count in the supernatant. Furthermore, due to differences in oxygen distribution, aerobic bacteria multiply rapidly on the surface of the liquid, while anaerobic bacteria accumulate at the bottom, causing uneven distribution of the bacterial community. This leads to some areas of dense overlap and some areas of sparse colony counting, resulting in statistical errors and ultimately affecting the accuracy of quantitative analysis. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a bacterial culture device for testing, which solves the problem of uneven bacterial distribution in culture dishes.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A bacterial culture device for testing includes a base plate and a culture dish. A support box is fixedly connected to the lower side of the base plate, and a processing unit is provided on the upper side of the base plate. The processing unit includes a chute, which is opened on the upper side of the left and right ends of the base plate. A slide plate is slidably connected to the inner side of the chute, and a movable plate is fixedly connected to the upper side of the slide plate. There are two movable plates, and a homogenizing component is provided on the upper side of the movable plate. The homogenizing component dynamically adjusts the state of the culture dish to make the internal bacterial community evenly distributed.

[0007] Preferably, the uniform component includes a stop rod disposed on the outside of the movable plate. The upper end of the stop rod passes through the upper side of the movable plate and is fixedly connected to a support plate. Two fixing blocks are fixedly connected to the upper side of the support plate. A culture platform is rotatably connected between the two fixing blocks. The culture dish is disposed on the upper side of the culture platform. Two top blocks are fixedly connected to the upper side of the culture platform. An electric push rod is fixedly connected to the outer side of each of the two top blocks. A clamping block is fixedly connected to the outer end of each electric push rod.

[0008] Preferably, a spring is fixedly connected between the support plate and the movable plate, an arc-shaped block is fixedly connected to the lower end of the abutment rod, an inclined block is fixedly connected to the upper side of the base plate, the arc-shaped block abuts against the inclined block, an installation block one is fixedly connected to the lower side of the cultivation platform, an inclined plate two is rotatably connected to the outer side of the installation block one, a side plate is fixedly connected to the outer side of the movable plate, an installation block two is fixedly connected to the upper side of the side plate, and the installation block two is rotatably connected to the inclined plate two.

[0009] Preferably, each of the two movable plates is fixedly connected to a side block one near the center of the base plate. An inclined plate one is rotatably connected to the outer side of the side block one, and a side block two is rotatably connected to the outer side of the inclined plate one. A lifting block is fixedly connected to the lower side of the side block two, and a lifting plate is fixedly connected to the lower side of the lifting block. The lower side of the lifting plate passes through the lower side of the base plate, and a control plate is rotatably connected to the outer side of the lifting plate. A base block is fixedly connected to the lower side of the base plate, and a rotating shaft is rotatably connected to the rear side of the base block. A rotating plate is fixedly connected to the rear end of the rotating shaft, and the rotating plate is rotatably connected to the control plate. A motor for driving the rotating shaft is fixedly connected to the front side of the base block.

[0010] Preferably, the upper side of the culture platform is provided with a ventilation component, which includes two sliding grooves. Both sliding grooves are opened on the upper side of the culture platform. Sliding blocks are slidably connected to the inner side of each sliding groove and to the left and right sides of the culture dish. A vertical plate is fixedly connected to the upper side of each sliding block. A top plate is fixedly connected to the upper side of each vertical plate. There are two top plates. A cover plate is fixedly connected to the outer side of each top plate.

[0011] Preferably, a connecting frame is fixedly connected to the outer side of both sides of the slider two, a control rod is rotatably connected to the lower side of the culture platform, a turntable is fixedly connected to the lower end of the control rod, two rotating blocks are fixedly connected to the outer side of the turntable, and inclined plates are rotatably connected to the lower side of the two rotating blocks, and the inclined plates are rotatably connected to the connecting frame.

[0012] Preferably, a gear is fixedly connected to the outer side of the control rod, a guide plate is fixedly connected to the lower side of the culture platform, a guide block is slidably connected to the outer side of the guide plate, a connecting block is fixedly connected to the lower side of the guide block, a toothed plate that meshes with the gear is fixedly connected to the upper side of the connecting block, a front block is fixedly connected to the front side of the guide block, an inclined plate four is rotatably connected to the outer side of the front block, a fixing block two is fixedly connected to the upper side of the support plate, and the inclined plate four is rotatably connected to the fixing block two.

[0013] This invention provides a bacterial culture device for testing. Compared with the prior art, it has the following advantages: (1) The bacterial culture device for testing is equipped with a base plate, a slider, a moving plate, a support plate, a culture platform, a lifting plate and a motor. This allows the culture dish to be moved and shaken in the left and right and up and down directions when culturing bacteria. At the same time, the tilting action of the culture platform promotes the uniform distribution of bacteria in the culture dish, providing accurate samples for subsequent colony counting and testing analysis.

[0014] (2) The bacterial culture device for testing, through the linkage of cover plate, upright plate, connecting frame, control rod, turntable, inclined plate, gear and toothed plate, when the culture platform swings, can synchronously control the two cover plates above the culture dish to open and close repeatedly, so that the outside air enters the culture dish periodically, balances the oxygen concentration of the liquid surface and bottom, and avoids the local enrichment of bacteria due to uneven oxygen distribution. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a partial three-dimensional structural diagram of the present invention; Figure 3 This is a three-dimensional structural diagram of part of the present invention from another perspective; Figure 4 for Figure 3 Enlarged view of point A in the middle; Figure 5 This is a partial three-dimensional structural diagram of the uniform component in this invention; Figure 6 This is a three-dimensional structural diagram of the ventilation component in this invention; Figure 7 This is a three-dimensional structural view of the ventilation component in this invention from another perspective; Figure 8 for Figure 7 Enlarged view of point B in the middle.

[0016] In the diagram: 1. Base plate; 2. Support box; 3. Petri dish; 4. Processing unit; 41. Slide 1; 42. Slide plate; 43. Moving plate; 44. Uniformity assembly; 45. Ventilation assembly; 46. Base block; 47. Motor; 441. Side block 1; 442. Inclined plate 1; 443. Side block 2; 444. Lifting block; 445. Lifting plate; 446. Control panel; 447. Rotating plate; 448. Rotating shaft; 449. Support rod; 4410. Support plate; 4411. Fixed block 1; 4412. Culture platform; 4413. Top block; 4414. Electric push rod; 4415. Clamping block ; 4416, Spring; 4417, Inclined Block; 4418, Mounting Block 1; 4419, Inclined Plate 2; 4420, Mounting Block 2; 4421, Side Plate; 451, Slide 2; 452, Slider 2; 453, Connecting Frame; 454, Vertical Plate; 455, Top Plate; 456, Cover Plate; 457, Control Rod; 458, Turntable; 459, Gear; 4510, Rotating Block; 4511, Inclined Plate 3; 4512, Gear Plate; 4513, Guide Plate; 4514, Guide Block; 4515, Connecting Block; 4516, Front Block; 4517, Inclined Plate 4; 4518, Fixing Block 2. Detailed Implementation

[0017] 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.

[0018] The present invention provides the following technical solutions.

[0019] Example 1 Please see Figures 1-5 A bacterial culture device for testing includes a base plate 1 and a culture dish 3. A support box 2 is fixedly connected to the lower side of the base plate 1, and a processing unit 4 is provided on the upper side of the base plate 1. The processing unit 4 includes a chute 41, which is opened on the upper side of the left and right ends of the base plate 1. A slide plate 42 is slidably connected to the inner side of the chute 41. A movable plate 43 is fixedly connected to the upper side of the slide plate 42. There are two movable plates 43. A uniform distribution component 44 is provided on the upper side of the movable plate 43. The uniform distribution component 44 dynamically adjusts the state of the culture dish 3 to make the internal bacterial community evenly distributed. The culture dish 3 contains a culture medium and a bacterial community sample.

[0020] The uniform component 44 includes a push rod 449, which is disposed on the outside of the movable plate 43. The upper end of the push rod 449 passes through the upper side of the movable plate 43 and is fixedly connected to a support plate 4410. Two fixing blocks 4411 are fixedly connected to the upper side of the support plate 4410. A culture platform 4412 is rotatably connected between the two fixing blocks 4411. A culture dish 3 is disposed on the upper side of the culture platform 4412. Two top blocks 4413 are fixedly connected to the upper side of the culture platform 4412. Electric push rods 4414 are fixedly connected to the outer side of the top block 4413. Clamping blocks 4415 are fixedly connected to the outer ends of the electric push rods 4414. Springs 4416 are fixedly connected between the support plate 4410 and the moving plate 43. An arc-shaped block is fixedly connected to the lower end of the abutment rod 449. An inclined block 4417 is fixedly connected to the upper side of the bottom plate 1, with the arc-shaped block abutting against the inclined block 4417. Mounting block 4418 is fixedly connected to the lower side of the cultivation platform 4412, and the outer side of mounting block 4418 is rotatably connected to... There is a second inclined plate 4419. A side plate 4421 is fixedly connected to the outer side of the movable plate 43. A second mounting block 4420 is fixedly connected to the upper side of the side plate 4421. The second mounting block 4420 is rotatably connected to the second inclined plate 4419. A first side block 441 is fixedly connected to the side of each movable plate 43 near the middle of the base plate 1. A first inclined plate 442 is rotatably connected to the outer side of the first side block 441. A second side block 443 is rotatably connected to the outer side of the first inclined plate 442. A lifting device is fixedly connected to the lower side of the second side block 443. A lifting plate 445 is fixedly connected to the lower side of the lifting block 444. The lower side of the lifting plate 445 passes through the lower side of the base plate 1. A control plate 446 is rotatably connected to the outer side of the lifting plate 445. A base block 46 is fixedly connected to the lower side of the base plate 1. A rotating shaft 448 is rotatably connected to the rear side of the base block 46. A rotating plate 447 is fixedly connected to the rear end of the rotating shaft 448. The rotating plate 447 is rotatably connected to the control plate 446. A motor 47 that drives the rotating shaft 448 to rotate is fixedly connected to the front side of the base block 46.

[0021] When culturing bacteria, the culture dish 3 is first placed on the upper side of the culture platform 4412. Then, the electric push rod 4414 is controlled to move the clamping blocks 4415. The clamping blocks 4415 on both sides limit the culture dish 3. Then, the motor 47 is started, which drives the rotating shaft 448 to rotate. The rotating shaft 448 drives the rotating plate 447 to rotate. The rotating plate 447 drives the control plate 446 to rotate. The control plate 446 drives the lifting plate 445 to move up and down repeatedly. The lifting plate 445 drives the lifting block 444 to move up and down. The lifting block 444 drives the inclined plate 442 to rotate. The inclined plate 442 drives the moving plate 43 to move left and right. The moving plate 43 drives the culture platform 4412 to rotate. The petri dish 3 on platform 2 moves left and right repeatedly, while the moving plate 43 drives the abutment rod 449 to move left and right. Under the action of the inclined block 4417, the abutment rod 449 moves up and down repeatedly. The abutment rod 449 drives the support plate 4410 to move up and down repeatedly. The support plate 4410 drives the petri dish 3 on the culture platform 4412 to move up and down repeatedly. While the culture platform 4412 moves up and down, it is pulled and supported by the inclined plate 4419, causing the culture platform 4412 to swing around the fixed block 4411 repeatedly, thereby causing the petri dish 3 to swing synchronously, reducing bacterial sedimentation, making the bacterial community more evenly distributed in the culture medium, and providing accurate samples for subsequent colony counting.

[0022] Example 2 Based on Example 1, such as Figures 6-8 As shown, a bacterial culture device for testing includes a base plate 1 and a culture dish 3. A support box 2 is fixedly connected to the lower side of the base plate 1, and a processing unit 4 is provided on the upper side of the base plate 1. The processing unit 4 includes a chute 41, which is opened on the upper side of the left and right ends of the base plate 1. A slide plate 42 is slidably connected to the inner side of the chute 41. A movable plate 43 is fixedly connected to the upper side of the slide plate 42. There are two movable plates 43. A uniform distribution component 44 is provided on the upper side of the movable plate 43.

[0023] A ventilation component 45 is provided on the upper side of the culture platform 4412. The ventilation component 45 includes two slides 451, both of which are located on the upper side of the culture platform 4412. Sliding blocks 452 are slidably connected to the inner side of the slides 451 and on the left and right sides of the culture dish 3. A vertical plate 454 is fixedly connected to the upper side of the sliding blocks 452. A top plate 455 is fixedly connected to the upper side of the vertical plate 454. There are two top plates 455. A cover plate 456 is fixedly connected to the outer side of each of the two top plates 455. A connecting frame 453 is fixedly connected to the outer side of each sliding block 452. A control rod 457 is rotatably connected to the lower side of the culture platform 4412. A turntable 458 is fixedly connected to the lower end of the control rod 457. Two rotating blocks are fixedly connected to the outer side of the turntable 458. 4510, both rotating blocks 4510 are rotatably connected to inclined plates 3 4511 on their lower sides. Inclined plates 3 4511 are rotatably connected to connecting frame 453. Gear 459 is fixedly connected to the outer side of control rod 457. Guide plate 4513 is fixedly connected to the lower side of culture platform 4412. Guide block 4514 is slidably connected to the outer side of guide plate 4513. Connecting block 4515 is fixedly connected to the lower side of guide block 4514. Tooth plate 4512, which meshes with gear 459, is fixedly connected to the upper side of connecting block 4515. Front block 4516 is fixedly connected to the front side of guide block 4514. Inclined plate 4517 is rotatably connected to the outer side of front block 4516. Fixing block 2 4518 is fixedly connected to the upper side of support plate 4410. Inclined plate 4517 and fixing block 2 4518 are rotatably connected.

[0024] When the cultivation platform 4412 swings, under the action of the inclined plate 4517, the guide block 4514 moves back and forth. The guide block 4514 drives the connecting block 4515 to move. The connecting block 4515 drives the toothed plate 4512 to move back and forth. The toothed plate 4512 drives the gear 459 to rotate repeatedly in both directions. The gear 459 drives the control rod 457 to rotate. The control rod 457 drives the turntable 458 to rotate. The turntable 458 drives the rotating block 4510 to rotate. The rotating block 4510 drives the inclined plate 4511 to rotate. The inclined plate 4511 drives the connecting frame 4... The 53 moves left and right, and the two inclined plates 4511 on both sides are symmetrically distributed in parallel. This causes the connecting frames 453 on both sides to move synchronously in opposite directions. The connecting frames 453 drive the slider 452 to move, the slider 452 drives the vertical plate 454 to move, the vertical plate 454 drives the top plate 455 to move, and the top plate 455 drives the cover plate 456 to move. This causes the cover plates 456 on both sides to open and close alternately. By periodically ventilating, the oxygen content in the culture dish 3 is regulated, the difference in oxygen concentration between the liquid surface and the bottom is balanced, and the uneven distribution of oxygen is avoided, which may lead to local enrichment of bacteria.

[0025] The tilt angle of the culture platform 4412 is within ±5°. Combined with the electric push rod 4414 and the clamping block 4415, the culture dish is rigidly fixed to ensure that the culture medium will not spill out due to slight tilting. In addition, the cooperation of the spring 4416 and the inclined block 4417 can buffer vibration and further maintain stability. When the culture platform 4412 tilts slightly, the cover plate 456 opens and closes repeatedly. Due to the small tilt angle, the internal liquid will not splash out. When the culture platform 4412 rotates and tilts towards the middle of the base plate 1, the cover plate 456 closes. When the culture platform 4412 rotates and tilts away from the middle of the base plate 1, the cover plate 456 opens. The closing of the cover plate 456 is controlled by the movement direction of the toothed plate 4512.

[0026] Working principle: In use, the petri dish 3 is placed on the upper side of the culture platform 4412. Then, the electric push rod 4414 is controlled to move the clamping block 4415, which limits the movement of the petri dish 3. Then, the motor 47 is started, which drives the rotating shaft 448 to rotate. The rotating shaft 448 drives the rotating plate 447 to rotate. The rotating plate 447 drives the lifting plate 445 to move up and down repeatedly. The lifting plate 445 drives the lifting block 444 to move up and down repeatedly. The lifting block 444 drives the inclined plate 1 442 to rotate. The inclined plate 1 442 controls the moving plate 43 to move left and right repeatedly. The moving plate 43 drives the petri dish 3 on the culture platform 4412 to move left and right repeatedly. At the same time, the moving plate 43 drives the stop rod 449 to move. Under the action of the inclined block 4417, the petri dish 3 on the culture platform 4412 is controlled to move up and down repeatedly. At the same time, the inclined plate 2 4419... Using this method, the culture dish 3 on the culture platform 4412 is oscillated to ensure even distribution of bacteria in the culture dish 3. When the culture platform 4412 oscillates, the guide block 4514 moves back and forth under the action of the inclined plate 4517. The guide block 4514 drives the connecting block 4515 to move, the connecting block 4515 drives the toothed plate 4512 to move, the toothed plate 4512 drives the gear 459 to rotate, the gear 459 drives the control rod 457 to rotate, the control rod 457 drives the turntable 458 to rotate, the turntable 458 drives the rotating block 4510 to rotate, the rotating block 4510 drives the inclined plate 4511 to rotate, and the inclined plate 4511 drives the connecting frame 453 to move. Under the action of the slider 452, the vertical plate 454 and the top plate 455, the cover plates 456 on the left and right sides are repeatedly opened and closed to allow outside air to periodically enter the culture dish 3 and balance the oxygen concentration between the liquid surface and the bottom.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bacterial culture apparatus for testing, comprising a base plate (1) and a culture dish (3), characterized in that: A support box (2) is fixedly connected to the lower side of the base plate (1), and a processing unit (4) is provided on the upper side of the base plate (1). The processing unit (4) includes a chute (41), which is opened on the upper side of the left and right ends of the base plate (1). A sliding plate (42) is slidably connected to the inner side of the chute (41). A moving plate (43) is fixedly connected to the upper side of the sliding plate (42). There are two moving plates (43). A uniform component (44) is provided on the upper side of the moving plate (43). The uniform component (44) dynamically adjusts the state of the culture dish (3) to make the internal bacterial community evenly distributed. The uniform component (44) includes a push rod (449), which is disposed on the outside of the moving plate (43). The upper end of the push rod (449) passes through the upper side of the moving plate (43) and is fixedly connected to a support plate (4410). Two fixing blocks (4411) are fixedly connected to the upper side of the support plate (4410). A culture platform (4412) is rotatably connected between the two fixing blocks (4411). The culture dish (3) is disposed on the upper side of the culture platform (4412). Two top blocks (4413) are fixedly connected to the upper side of the culture platform (4412). Electric push rods (4414) are fixedly connected to the outer sides of the two top blocks (4413). A clamping block (4415) is fixedly connected to the outer end of the electric push rod (4414). A spring (4416) is fixedly connected between the support plate (4410) and the moving plate (43). An arc-shaped block is fixedly connected to the lower end of the abutment rod (449). An inclined block (4417) is fixedly connected to the upper side of the base plate (1). The arc-shaped block abuts against the inclined block (4417). An installation block one (4418) is fixedly connected to the lower side of the cultivation platform (4412). An inclined plate two (4419) is rotatably connected to the outer side of the installation block one (4418). A side plate (4421) is fixedly connected to the outer side of the moving plate (43). An installation block two (4420) is fixedly connected to the upper side of the side plate (4421). The installation block two (4420) is rotatably connected to the inclined plate two (4419). Both movable plates (43) are fixedly connected to a side block (441) on one side near the middle of the base plate (1). An inclined plate (442) is rotatably connected to the outer side of the side block (441). A side block (443) is rotatably connected to the outer side of the inclined plate (442). A lifting block (444) is fixedly connected to the lower side of the side block (443). A lifting plate (445) is fixedly connected to the lower side of the lifting block (444). The lower side of the lifting plate (445) passes through the base plate. (1) On the lower side, a control plate (446) is rotatably connected to the outer side of the lifting plate (445), a base block (46) is fixedly connected to the lower side of the base plate (1), a rotating shaft (448) is rotatably connected to the rear side of the base block (46), a rotating plate (447) is fixedly connected to the rear end of the rotating shaft (448), the rotating plate (447) is rotatably connected to the control plate (446), and a motor (47) for driving the rotating shaft (448) to rotate is fixedly connected to the front side of the base block (46).

2. The bacterial culture device for testing according to claim 1, characterized in that: The upper side of the culture platform (4412) is provided with a ventilation component (45). The ventilation component (45) includes two slides (451). Both slides (451) are opened on the upper side of the culture platform (4412). Sliding blocks (452) are slidably connected to the inner side of the slides (451) and to the left and right sides of the culture dish (3). A vertical plate (454) is fixedly connected to the upper side of the sliding blocks (452). A top plate (455) is fixedly connected to the upper side of the vertical plate (454). There are two top plates (455). A cover plate (456) is fixedly connected to the outer side of both top plates (455).

3. The bacterial culture device for testing according to claim 2, characterized in that: A connecting frame (453) is fixedly connected to the outer side of the two sliders (452) on both sides. A control rod (457) is rotatably connected to the lower side of the culture platform (4412). A turntable (458) is fixedly connected to the lower end of the control rod (457). Two rotating blocks (4510) are fixedly connected to the outer side of the turntable (458). An inclined plate (4511) is rotatably connected to the lower side of the two rotating blocks (4510). The inclined plate (4511) is rotatably connected to the connecting frame (453).

4. The bacterial culture device for testing according to claim 3, characterized in that: A gear (459) is fixedly connected to the outside of the control lever (457). A guide plate (4513) is fixedly connected to the lower side of the culture platform (4412). A guide block (4514) is slidably connected to the outside of the guide plate (4513). A connecting block (4515) is fixedly connected to the lower side of the guide block (4514). A toothed plate (4512) that meshes with the gear (459) is fixedly connected to the upper side of the connecting block (4515). A front block (4516) is fixedly connected to the front side of the guide block (4514). An inclined plate four (4517) is rotatably connected to the outside of the front block (4516). A fixing block two (4518) is fixedly connected to the upper side of the support plate (4410). The inclined plate four (4517) and the fixing block two (4518) are rotatably connected.

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