Cell culture device convenient for fixing culture dish

Abstract

The utility model discloses a cell culture device convenient for fixing a culture dish, which belongs to the technical field of cell culture and comprises an incubator main body, a separating and guiding device and a drainage device are mounted in the incubator main body, and the upper end of the separating and guiding device is connected with the lower end of a fixing device; the multiple fixing devices are arranged, each fixing device comprises a pressing assembly and a locking assembly, the lower end of each pressing assembly is connected with the upper end of the corresponding separating and guiding device, and each locking assembly is connected with the left side of the corresponding pressing assembly. According to the mode, the culture dish is fixed on the partition plate main body through the pressing assembly and the locking assembly, so that the culture dish is prevented from sliding or toppling and scattering due to accidents in the culture process; the partition plate body can be pulled out or pushed in through the sliding assembly, a culture dish is convenient to place and take, condensate water can slide to the water collecting tank to be discharged through the arrangement of the partition plate body and the top flow guide plate, and the situation that a culture medium is polluted due to the fact that the condensate water drops to the culture dish is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cell culture, and particularly relates to a cell culture device convenient for fixing a culture dish. Background Technique

[0002] Cell culture technology is an important and commonly used technology in cell biology research methods. Through cell culture, a large number of cells can be obtained, and the signal transduction, synthesis metabolism, growth and proliferation of cells can be studied thereby. The current culture method is to place the culture dish in a cell culture incubator for culture.

[0003] For example, Chinese Patent Application CN109401964A, a culture incubator for stem cell culture, belongs to the technical field of culture incubators, and includes a box body and a cavity arranged in the box body. A water tank is arranged at the bottom of the box body. A slope is arranged above the side wall of the water tank, so that the opening of the water tank gradually becomes smaller from top to bottom. A layer of shock-proof pad is arranged on the bottom surface of the water tank. A water tray is arranged in the water tank. A protection plate slidably connected to the bottom surface of the box body is arranged above the water tray. A plurality of uniformly distributed through holes are arranged on the protection plate. At least two layers of partition plates are arranged in the box body and divide the cavity into several culture spaces. A plurality of pairs of limiting mechanisms are arranged on the inner side wall of the box body. The two sides of the partition plate are movably connected to the limiting mechanisms. A storage rack is arranged on the partition plate. The storage rack includes at least two layers of support plates stacked up and down.

[0004] However, this culture incubator for stem cell culture cannot effectively fix the culture dish, which may cause the sliding of the culture dish or the spilling of the culture medium, and it is not convenient to take or place the culture dish. When condensed water condenses on the top, it may drip onto the culture dish and contaminate the culture medium.

[0005] Based on this, the utility model designs a cell culture device convenient for fixing a culture dish to solve the above problems. Content of the Utility Model

[0006] A cell culture device convenient for fixing a culture dish is provided for the above-mentioned shortcomings of the prior art.

[0007] To achieve the above purposes, the utility model is realized through the following technical solutions:

[0008] A cell culture device convenient for fixing a culture dish includes a main body of the culture incubator,

[0009] A partition diversion device and a drainage device are installed inside the main body of the culture incubator. The upper end of the partition diversion device is connected to the lower end of the fixing device;

[0010] A plurality of the fixing devices are provided. The fixing device includes a pressing component and a locking component. The lower end of the pressing component is connected to the upper end of the partition and diversion device, and the locking component is connected to the left side of the pressing component.

[0011] Furthermore, the partition and diversion device includes a partition board, a sliding component, and a top diversion board. The rear end of the partition board is connected to the inner wall of the incubator body. The left and right sides of the partition board are connected to the inner walls of the rear ends of the sliding components. The left and right sides of the sliding components are connected to the left and right inner walls of the incubator body. The upper end of the top diversion board is connected to the inner top of the incubator body.

[0012] Furthermore, there are two groups of the partition boards. The two groups of partition boards are horizontally and parallelly arranged inside the incubator body. Each group of partition boards includes a partition board body, a connecting plate, a slider, ventilation holes, and drainage holes. The left and right sides of the partition board body are fixedly connected to the inner sides of two connecting plates. The inner ends of two sliders are fixedly connected to the outer sides of the rear ends of the connecting plates. A plurality of ventilation holes are evenly formed in the partition board body. The bottom of the partition board body gradually thickens from front to back. An inclined groove is formed at the rear end of the partition board body. A plurality of drainage holes are formed at the inclined groove at the rear end of the partition board body. The connecting plates and the outer sides of the sliders are connected to the sliding components. The lower end of the partition board body is connected to the sliding components. The upper end of the partition board body is connected to the fixing device. The rear end of the partition board body is in contact connection with the inner wall of the incubator body.

[0013] Furthermore, there are four groups of the sliding components. Two groups of sliding components are correspondingly arranged on the left and right sides of a group of partition boards. The sliding component includes a guiding plate and a supporting plate. The outer side of the guiding plate is fixedly connected to the inner wall of the incubator body. A sliding groove for the slider to slide is formed inside the guiding plate. The lower end of the front side of the guiding plate is fixedly connected to the upper end of the supporting plate. The outer side of the supporting plate is fixedly connected to the inner wall of the incubator body. The upper end of the supporting plate is slidably connected to the lower end of the partition board body. The connecting plate is slidably connected to the inner side of the guiding plate and the upper side of the supporting plate. The outer side of the slider is slidably connected to the sliding groove of the guiding plate.

[0014] Furthermore, the upper end of the top diversion board is fixedly connected to the inner top of the incubator body. The bottom of the top diversion board gradually thickens from front to back.

[0015] Further, the pressing assembly includes a fixed outer shell, a tray, an inclined block, a first spring, an auxiliary block, and a second spring. The lower end of the fixed outer shell is fixedly connected to the upper end of the partition plate body. The outer side of the tray is slidably connected to the inner side wall of the fixed outer shell. The left end of the tray is fixedly connected to the right end of the inclined block. One end of the first spring is fixedly connected to the lower end of the tray, and the other end of the first spring is fixedly connected to the inner bottom of the fixed outer shell. A through groove is formed in the right inner wall of the fixed outer shell. The right end of the second spring is fixedly connected to the inner wall of the through groove of the fixed outer shell. The left end of the second spring is fixedly connected to the right end of the auxiliary block. The left end of the auxiliary block is in sliding fit with the right end of the tray. The outer side of the auxiliary block is in contact connection with the inner wall of the through groove of the fixed outer shell. The left ends of the fixed outer shell and the tray are connected to the locking assembly.

[0016] Further, the locking assembly includes a sliding inclined block, a pressing block, a gasket, a fixed frame, a sliding rod, a third spring, and a pull ring. The right side of the sliding inclined block is slidably connected to the left side of the inclined block. The upper end of the sliding inclined block is fixedly connected to the lower end of the pressing block. The right end of the pressing block is fixedly connected to the left end of the gasket. The upper end of the pressing block and the lower end of the fixed frame are slidably connected through a sliding seat and a sliding groove. The left end of the pressing block is fixedly connected to the right end of the sliding rod. The sliding rod passes through the left end of the fixed outer shell and is slidably connected to the fixed outer shell. The left end of the sliding rod is fixedly connected to the right end of the pull ring. The third spring is sleeved outside the sliding rod. One end of the third spring is fixedly connected to the inner wall of the left end of the fixed outer shell, and the other end of the third spring is fixedly connected to the left end of the pressing block.

[0017] Further, the drainage device includes a water collecting tank, a drain pipe, and a one-way valve. The water collecting tank is opened at the inner bottom of the rear end of the incubator body. The bottom of the water collecting tank gradually deepens from left to right. The left end of the drain pipe is fixedly connected to the outer wall of the right end of the incubator body. The left end of the drain pipe is communicated with the right end of the water collecting tank. The one-way valve is fixedly connected to the outside of the drain pipe.

[0018] The beneficial effects of the present utility model compared with the prior art are as follows:

[0019] The present utility model fixes the culture dish on the partition plate body through the pressing assembly and the locking assembly, preventing the culture dish from sliding or toppling and spilling during the culture process due to accidents.

[0020] The present utility model enables the partition plate body to be pulled out or pushed in through the sliding assembly, facilitating the placement and taking of the culture dish. Through the setting of the partition plate body and the top diversion plate, the condensed water can slide down along the inner wall of the incubator body to the water collecting tank for drainage, avoiding the condensed water dropping onto the culture dish and causing pollution to the culture medium. Description of the Drawings

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 Stereogram of a cell culture device for facilitating the fixation of a culture dish according to the present invention Figure 1 ;

[0023] Figure 2 Front view of a cell culture device for facilitating the fixation of a culture dish according to the present invention;

[0024] Figure 3 Top view of a cell culture device for facilitating the fixation of a culture dish according to the present invention;

[0025] Figure 4 Stereogram of a cell culture device for facilitating the fixation of a culture dish according to the present invention Figure 2 ;

[0026] Figure 5 For along Figure 2 Cross-sectional view in the A-A direction;

[0027] Figure 6 For along Figure 3 Cross-sectional view in the B-B direction;

[0028] Figure 7 Stereogram of the fixing device according to the present invention;

[0029] Figure 8 Right view of the fixing device according to the present invention;

[0030] Figure 9 For along Figure 8 Cross-sectional view in the C-C direction.

[0031] The reference numerals in the figures respectively represent:

[0032] 1. Incubator main body 2. Partition and diversion device 21. Partition board 211. Partition board main body 212. Connecting plate 213. Slide block 214. Ventilation hole 215. Drainage hole 22. Sliding component 221. Guide plate 222. Support plate 23. Top diversion plate 3. Fixing device 31. Pressing component 311. Fixing outer shell 312. Tray 313. Inclined block 314. First spring 315. Auxiliary block 316. Second spring 32. Locking component 321. Sliding inclined block 322. Pressing block 323. Gasket 324. Fixing frame 325. Slide bar 326. Third spring 327. Pull ring 4. Drainage device 41. Water collecting tank 42. Drain pipe 43. Check valve. Detailed implementation manners

[0033] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0034] The "left", "right", "front", "rear", "upper" and "lower" mentioned in the following description are oriented in the perspective direction of the front view.

[0035] Embodiment 1

[0036] In some embodiments, please refer to the accompanying specification Figures 1-9 , a cell culture device for facilitating the fixation of culture dishes, including an incubator main body 1, a partition and diversion device 2 and a drainage device 4 are installed inside the incubator main body 1, and the upper end of the partition and diversion device 2 is connected to the lower end of the fixing device 3;

[0037] A plurality of the fixing devices 3 are provided. The fixing device 3 includes a pressing component 31 and a locking component 32. The lower end of the pressing component 31 is connected to the upper end of the partition and diversion device 2, and the locking component 32 is connected to the left side of the pressing component 31.

[0038] The partition and diversion device 2 includes a partition board 21, a sliding component 22 and a top diversion board 23. The rear end of the partition board 21 is connected to the inner wall of the incubator main body 1, the left and right sides of the partition board 21 are connected to the inner walls of the rear ends of the sliding component 22, the left and right sides of the sliding component 22 are connected to the left and right inner walls of the incubator main body 1, and the upper end of the top diversion board 23 is connected to the inner top of the incubator main body 1.

[0039] There are two sets of the partition plates 21, and the two sets of partition plates 21 are horizontally and parallelly arranged inside the incubator main body 1. Each set of partition plates 21 includes a partition plate main body 211, a connecting plate 212, a slider 213, ventilation holes 214 and drainage holes 215. The left and right sides of the partition plate main body 211 are fixedly connected to the inner sides of the two connecting plates 212. The inner ends of the two sliders 213 are fixedly connected to the outer sides of the rear ends of the connecting plates 212. A plurality of ventilation holes 214 are evenly formed in the partition plate main body 211. The bottom of the partition plate main body 211 gradually thickens from front to back. An inclined groove is formed at the rear end of the partition plate main body 211. A plurality of drainage holes 215 are formed at the inclined groove at the rear end of the partition plate main body 211. The outer sides of the connecting plate 212 and the slider 213 are connected to the sliding assembly 22. The lower end of the partition plate main body 211 is connected to the sliding assembly 22. The upper end of the partition plate main body 211 is connected to the fixing device 3. The rear end of the partition plate main body 211 is in contact connection with the inner wall of the incubator main body 1.

[0040] There are four sets of the sliding assemblies 22, and two sets of sliding assemblies 22 are correspondingly arranged on the left and right sides of a set of partition plates 21. The sliding assembly 22 includes a guide plate 221 and a support plate 222. The outer side of the guide plate 221 is fixedly connected to the inner wall of the incubator main body 1. A sliding groove for the slider 213 to slide is formed on the inner side of the guide plate 221. The lower end of the front side of the guide plate 221 is fixedly connected to the upper end of the support plate 222. The outer side of the support plate 222 is fixedly connected to the inner wall of the incubator main body 1. The upper end of the support plate 222 is slidably connected to the lower end of the partition plate main body 211. The connecting plate 212 is slidably connected to the inner side of the guide plate 221 and the upper side of the support plate 222. The outer side of the slider 213 is slidably connected to the sliding groove of the guide plate 221.

[0041] The upper end of the top flow guide plate 23 is fixedly connected to the inner top of the incubator main body 1. The bottom of the top flow guide plate 23 gradually thickens from front to back.

[0042] When the cell culture device facilitating the fixation of petri dishes is in normal use, the partition plate body 211 is pulled outwards. The partition plate body 211 drives the connecting plate 212 to move forward. The connecting plate 212 drives the slider 213 to slide along the chute of the guide plate 221. After the petri dishes are fixed in sequence through the pressing assembly 31 and the locking assembly 32, the partition plate body 211 is pushed. The partition plate body 211 drives the connecting plate 212 to move backward. The connecting plate 212 drives the slider 213 to slide along the chute of the guide plate 221. The air in the incubator body 1 can flow through the air holes 214, making the environment at each position inside the incubator body 1 the same. When condensed water condenses at the bottom of the partition plate body 211, the condensed water flows along the partition plate body 211 to the rear end of the partition plate body 211, and slides down along the inner wall of the rear end of the incubator body 1 into the drainage device 4 through the drainage hole 215 at the rear end of the partition plate body 211. The condensed water condensing at the bottom of the top guide plate 23 flows along the top guide plate 23 to the rear end of the top guide plate 23, and slides down along the rear end of the incubator body 1 into the drainage device 4.

[0043] The pressing assembly 31 includes a fixed outer shell 311, a tray 312, an inclined block 313, a first spring 314, an auxiliary block 315 and a second spring 316. The lower end of the fixed outer shell 311 is fixedly connected to the upper end of the partition plate body 211. The outer side of the tray 312 is slidably connected to the inner side wall of the fixed outer shell 311. The left end of the tray 312 is fixedly connected to the right end of the inclined block 313. One end of the first spring 314 is fixedly connected to the lower end of the tray 312, and the other end of the first spring 314 is fixedly connected to the inner bottom of the fixed outer shell 311. A through groove is formed in the right inner wall of the fixed outer shell 311. The right end of the second spring 316 is fixedly connected to the inner wall of the through groove of the fixed outer shell 311. The left end of the second spring 316 is fixedly connected to the right end of the auxiliary block 315. The left end of the auxiliary block 315 is in sliding fit with the right end of the tray 312. The outer side of the auxiliary block 315 is in contact connection with the inner wall of the through groove of the fixed outer shell 311. The left ends of the fixed outer shell 311 and the tray 312 are connected to the locking assembly 32.

[0044] The locking assembly 32 includes a sliding inclined block 321, a pressing block 322, a gasket 323, a fixing bracket 324, a sliding rod 325, a third spring 326 and a pull ring 327. The right side of the sliding inclined block 321 is slidably connected to the left side of the inclined block 313. The upper end of the sliding inclined block 321 is fixedly connected to the lower end of the pressing block 322. The right end of the pressing block 322 is fixedly connected to the left end of the gasket 323. The upper end of the pressing block 322 and the lower end of the fixing bracket 324 are slidably connected through a sliding seat and a sliding groove. The left end of the pressing block 322 is fixedly connected to the right end of the sliding rod 325. The sliding rod 325 passes through the left end of the fixing housing 311 and is slidably connected to the fixing housing 311. The left end of the sliding rod 325 is fixedly connected to the right end of the pull ring 327. The third spring 326 is sleeved outside the sliding rod 325. One end of the third spring 326 is fixedly connected to the inner wall of the left end of the fixing housing 311, and the other end of the third spring 326 is fixedly connected to the left end of the pressing block 322.

[0045] When the cell culture device for facilitating the fixation of a petri dish is in normal use, the petri dish is placed on the tray 312, and the petri dish is pressed downward. The petri dish drives the tray 312 to compress the first spring 314 downward along the fixing housing 311. The tray 312 drives the inclined block 313 to move downward. The third spring 326 pushes the pressing block 322 to move rightward. The pressing block 322 drives the sliding inclined block 321 to move rightward along the inclined block 313. The pressing block 322 drives the gasket 323 to press the petri dish to fix the petri dish. When it is necessary to take out the petri dish, the pull ring 327 is pulled leftward. The pull ring 327 drives the sliding rod 325 to move leftward. The sliding rod 325 drives the pressing block 322 to compress the third spring 326. The first spring 314 pushes the tray 312 to raise the petri dish. At the same time, the pressing block 322 moves leftward to disengage the petri dish. The second spring 316 always pushes the auxiliary block 315 to squeeze the tray 312 to prevent the tray 312 from moving upward too fast when being pushed by the first spring 314. The gasket 323 prevents the petri dish from being damaged by force during the placement and removal process.

[0046] The drainage device 4 includes a water collecting tank 41, a drain pipe 42 and a one-way valve 43. The water collecting tank 41 is opened at the inner bottom of the rear end of the incubator main body 1. The bottom of the water collecting tank 41 gradually becomes deeper from left to right. The left end of the drain pipe 42 is fixedly connected to the outer wall of the right end of the incubator main body 1. The left end of the drain pipe 42 is communicated with the right end of the water collecting tank 41. The one-way valve 43 is fixedly connected to the outside of the drain pipe 42.

[0047] When the cell culture device for facilitating the fixation of a petri dish is in normal use, the condensed water condensed on the partition plate main body 211 and the top flow guide plate 23 slides down along the inner wall of the incubator main body 1 into the water collecting tank 41. The one-way valve 43 is opened, and the condensed water in the water collecting tank 41 is discharged through the drain pipe 42.

[0048] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cell culture device facilitating the fixation of a culture dish, comprising a main body of an incubator (1), characterized in that: Inside the incubator main body (1), a partition and diversion device (2) and a drainage device (4) are installed, and the upper end of the partition and diversion device (2) is connected to the lower end of the fixing device (3); A plurality of fixing devices (3) are provided. The fixing device (3) includes a pressing component (31) and a locking component (32). The lower end of the pressing component (31) is connected to the upper end of the partition and diversion device (2), and the locking component (32) is connected to the left side of the pressing component (31).

2. The cell culture device facilitating the fixation of a culture dish according to claim 1, wherein The partition and diversion device (2) includes a partition plate (21), a sliding component (22), and a top diversion plate (23). The rear end of the partition plate (21) is connected to the inner wall of the incubator main body (1). The left and right sides of the partition plate (21) are connected to the inner walls of the rear ends of the sliding component (22). The left and right sides of the sliding component (22) are connected to the left and right inner walls of the incubator main body (1). The upper end of the top diversion plate (23) is connected to the inner top of the incubator main body (1).

3. The cell culture device facilitating the fixation of a culture dish according to claim 2, characterized in that, Two groups of partition plates (21) are provided. The two groups of partition plates (21) are horizontally and parallelly arranged inside the incubator main body (1). Each group of partition plates (21) includes a partition plate main body (211), a connecting plate (212), a slider (213), ventilation holes (214), and drainage holes (215). The left and right sides of the partition plate main body (211) are fixedly connected to the inner sides of two connecting plates (212). The inner ends of two sliders (213) are fixedly connected to the outer sides of the rear ends of the connecting plates (212). A plurality of ventilation holes (214) are evenly formed in the partition plate main body (211). The bottom of the partition plate main body (211) gradually thickens from front to back. An inclined groove is formed at the rear end of the partition plate main body (211). A plurality of drainage holes (215) are formed at the inclined groove at the rear end of the partition plate main body (211). The outer sides of the connecting plate (212) and the slider (213) are connected to the sliding component (22). The lower end of the partition plate main body (211) is connected to the sliding component (22). The upper end of the partition plate main body (211) is connected to the fixing device (3). The rear end of the partition plate main body (211) is in contact connection with the inner wall of the incubator main body (1).

4. The cell culture device facilitating the fixation of a culture dish according to claim 3, wherein, Four groups of sliding components (22) are provided. Two groups of sliding components (22) are correspondingly arranged on the left and right sides of a group of partition plates (21). The sliding component (22) includes a guiding plate (221) and a supporting plate (222). The outer side of the guiding plate (221) is fixedly connected to the inner wall of the incubator main body (1). A sliding groove for the slider (213) to slide is formed on the inner side of the guiding plate (221). The lower end of the front side of the guiding plate (221) is fixedly connected to the upper end of the supporting plate (222). The outer side of the supporting plate (222) is fixedly connected to the inner wall of the incubator main body (1). The upper end of the supporting plate (222) is slidably connected to the lower end of the partition plate main body (211). The connecting plate (212) is slidably connected to the inner side of the guiding plate (221) and the upper side of the supporting plate (222). The outer side of the slider (213) is slidably connected to the sliding groove of the guiding plate (221).

5. The cell culture device facilitating the fixation of a culture dish according to claim 4, wherein The upper end of the top deflector (23) is fixedly connected to the inner top of the incubator main body (1), and the bottom of the top deflector (23) gradually thickens from front to back.

6. The cell culture device facilitating the fixation of a culture dish according to claim 5, wherein The pressing assembly (31) includes a fixed housing (311), a tray (312), an inclined block (313), a first spring (314), an auxiliary block (315) and a second spring (316). The lower end of the fixed housing (311) is fixedly connected to the upper end of the partition main body (211). The outer side of the tray (312) is slidably connected to the inner side wall of the fixed housing (311). The left end of the tray (312) is fixedly connected to the right end of the inclined block (313). One end of the first spring (314) is fixedly connected to the lower end of the tray (312), and the other end of the first spring (314) is fixedly connected to the inner bottom of the fixed housing (311). A through groove is provided on the right inner wall of the fixed housing (311). The right end of the second spring (316) is fixedly connected to the inner wall of the through groove of the fixed housing (311), and the left end of the second spring (316) is fixedly connected to the right end of the auxiliary block (315). The left end of the auxiliary block (315) is in sliding contact with the right end of the tray (312), and the outer side of the auxiliary block (315) is in contact with the inner wall of the through groove of the fixed housing (311). The left ends of the fixed housing (311) and the tray (312) are connected to the locking assembly (32).

7. The cell culture device facilitating the fixation of a culture dish according to claim 6, wherein, The locking assembly (32) includes a sliding inclined block (321), a pressing block (322), a gasket (323), a fixing frame (324), a sliding rod (325), a third spring (326) and a pull ring (327). The right side of the sliding inclined block (321) is slidably connected to the left side of the inclined block (313). The upper end of the sliding inclined block (321) is fixedly connected to the lower end of the pressing block (322). The right end of the pressing block (322) is fixedly connected to the left end of the gasket (323). The upper end of the pressing block (322) and the lower end of the fixing frame (324) are slidably connected through a sliding seat and a sliding groove. The left end of the pressing block (322) is fixedly connected to the right end of the sliding rod (325). The sliding rod (325) passes through the left end of the fixed housing (311) and is slidably connected to the fixed housing (311). The left end of the sliding rod (325) is fixedly connected to the right end of the pull ring (327). The third spring (326) is sleeved outside the sliding rod (325). One end of the third spring (326) is fixedly connected to the inner wall of the left end of the fixed housing (311), and the other end of the third spring (326) is fixedly connected to the left end of the pressing block (322).

8. The cell culture device facilitating the fixation of a culture dish according to claim 7, characterized in that, The drainage device (4) includes a water collecting tank (41), a drain pipe (42) and a one-way valve (43). The water collecting tank (41) is provided at the inner bottom of the rear end of the incubator main body (1). The bottom of the water collecting tank (41) gradually deepens from left to right. The left end of the drain pipe (42) is fixedly connected to the outer wall of the right end of the incubator main body (1). The left end of the drain pipe (42) is communicated with the right end of the water collecting tank (41). The one-way valve (43) is fixedly connected to the outside of the drain pipe (42).

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