Cell culture medium filling device

Abstract

The utility model discloses a cell culture medium filling device which comprises a base, a servo motor is arranged at the center position, close to the top end, in the base, the output end of the servo motor is connected with a rotating shaft through a coupler, and an eccentric rotating plate is fixedly installed at the top end of the rotating shaft. Four U-shaped telescopic rods are movably mounted on the outer surface of the eccentric rotating plate, and a clamping plate is fixedly mounted at one end of each U-shaped telescopic rod. A culture dish is placed in the center of the eccentric rotating plate, at the moment, the filling nozzle is aligned with the outer ring position of the surface of the culture dish, culture medium filling is conducted on the culture dish through the filling nozzle by means of the liquid storage barrel, and meanwhile the rotating shaft is driven by the servo motor to rotate slowly, so that the eccentric rotating plate is driven to rotate slowly. At the moment, the injection nozzle injects the culture medium along the outer ring of the culture dish, so that uniform injection of the culture medium is realized, and the condition that the culture medium is accumulated in the center of the surface of the culture dish is avoided.

Description

Technical Field

[0001] This utility model relates to the field of cell culture medium dispensing technology, specifically a cell culture medium dispensing device. Background Technology

[0002] Cell culture refers to the process of growing and multiplying cells in vitro under appropriate conditions, usually conducted in a laboratory. This technique is widely used in biomedical research, drug development, and bioengineering. An automated cell culture medium dispenser is a device used to automatically add culture medium periodically during cell culture, and it is widely used in cell culture experiments in biomedical research and other fields.

[0003] Existing cell culture medium is usually added manually, which is very inconvenient and tends to accumulate in the center of the culture dish, making it difficult for cells to absorb it. Therefore, it does not meet the current needs. To address this, we propose a cell culture medium adding device. Utility Model Content

[0004] The purpose of this invention is to provide a cell culture medium filling device to solve the problems mentioned in the background art, such as the inconvenience of manually filling cell culture medium and the tendency for the culture medium to accumulate in the center of the culture dish during filling, making it difficult for cells to absorb it.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cell culture medium dispensing device, comprising a base, a servo motor located at the center of the top of the base, the output end of the servo motor being connected to a rotating shaft via a coupling, an eccentric rotating plate being fixedly installed at the top of the rotating shaft, four U-shaped telescopic rods being movably installed on the outer surface of the eccentric rotating plate, a clamping plate being fixedly installed at one end of each U-shaped telescopic rod, and a culture dish being disposed between the four clamping plates.

[0006] Preferably, the outer surface of the eccentric rotating plate is provided with four spring grooves, and the other end of the U-shaped telescopic rod can be slidably inserted into the interior of the spring grooves. A compression spring is movably installed between the U-shaped telescopic rod and the interior of the spring grooves.

[0007] Preferably, a support frame is fixedly installed on the rear side of the top of the base, a lead screw is rotatably installed on the top of the support frame, a top plate is provided on the top of the lead screw, a lead screw motor is provided on the top of the top plate, and the output end of the lead screw motor is connected to the top of the lead screw through a coupling.

[0008] Preferably, a movable sleeve is movably mounted on the outer surface of the lead screw, a liquid storage tank is fixedly mounted on the top of the movable sleeve, a filling nozzle is movably mounted on the bottom of the liquid storage tank, the axis of the filling nozzle is on the same straight line as the axis of the rotating shaft, an adjusting valve is provided at the bottom of the inside of the liquid storage tank, and a feeding port is provided at the top of the liquid storage tank.

[0009] Preferably, the top of the base is provided with a rotating movable groove, and the bottom of the eccentric rotating plate is fixedly installed with four movable rods, the bottom ends of which are all slidably inserted into the interior of the rotating movable groove.

[0010] Preferably, two support columns are fixedly installed at the top of the support frame, and the bottom end of the top plate is fixedly connected to the top end of the support columns.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model, through the cooperation of a rotating shaft and an eccentric rotating plate, allows the device to be used by placing the culture dish at the center of the eccentric rotating plate. At this time, the dispensing nozzle will be aligned with the outer ring of the culture dish surface, and the culture medium will be dispensed into the culture dish through the dispensing nozzle via the storage tank. Simultaneously, the rotating shaft is driven by a servo motor to rotate slowly, thereby causing the eccentric rotating plate to rotate slowly. At this time, the dispensing nozzle will dispense the culture medium along the outer ring of the culture dish, thereby achieving uniform dispensing of the culture medium and avoiding the accumulation of culture medium in the center of the culture dish surface.

[0013] 2. This utility model, through the cooperation of a lead screw and a lead screw motor, allows the device to be used by driving the lead screw to rotate via the lead screw motor, thereby adjusting the position of the lead screw movable sleeve on the lead screw surface, and thus adjusting the height of the dispensing nozzle, making it convenient to dispense culture medium into petri dishes of different sizes;

[0014] 3. This utility model, through the cooperation of the U-shaped telescopic rod and the clamping plate, allows the device to be used by compressing the spring to drive the U-shaped telescopic rod to retract into the spring groove, thereby adjusting the distance between the four clamping plates, and thus enabling the device to install and clamp culture dishes of different sizes. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a cross-sectional side view of the entire utility model;

[0017] Figure 3 This is a cross-sectional front view of the entire utility model;

[0018] Figure 4 This utility model Figure 3A partial structural diagram of part A in the middle.

[0019] In the diagram: 1. Base; 2. Support frame; 3. Support column; 4. Top plate; 5. Lead screw; 6. Lead screw motor; 7. Lead screw movable sleeve; 8. Liquid storage tank; 9. Filling nozzle; 10. Rotating movable groove; 11. Movable rod; 12. Eccentric rotating plate; 13. Petri dish; 14. U-shaped telescopic rod; 15. Clamping plate; 16. Servo motor; 17. Rotating shaft; 18. Spring groove; 19. Compression spring. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Please see Figures 1 to 4 One embodiment of this utility model is a cell culture medium dispensing device, including a base 1. A servo motor 16 is provided at the center of the top of the base 1. The output end of the servo motor 16 is connected to a rotating shaft 17 through a coupling. An eccentric rotating plate 12 is fixedly installed at the top of the rotating shaft 17. Four U-shaped telescopic rods 14 are movably installed on the outer surface of the eccentric rotating plate 12. A clamping plate 15 is fixedly installed at one end of the U-shaped telescopic rod 14. A culture dish 13 is provided between the four clamping plates 15.

[0022] By cooperating with the rotating shaft 17 and the eccentric rotating plate 12, the device can be used by placing the culture dish 13 at the center of the eccentric rotating plate 12. At this time, the dispensing nozzle 9 will be aligned with the outer ring of the surface of the culture dish 13, and the culture medium will be dispensed into the culture dish 13 through the dispensing nozzle 9 via the storage tank 8. At the same time, the rotating shaft 17 is driven by the servo motor 16 to rotate slowly, thereby driving the eccentric rotating plate 12 to rotate slowly. At this time, the dispensing nozzle 9 will dispense the culture medium along the outer ring of the culture dish 13, thereby achieving uniform dispensing of the culture medium and avoiding the accumulation of culture medium in the center of the surface of the culture dish 13.

[0023] The outer surface of the eccentric rotating plate 12 is provided with four spring grooves 18. The other end of the U-shaped telescopic rod 14 can be slidably inserted into the inside of the spring groove 18. Compression springs 19 are movably installed between the U-shaped telescopic rod 14 and the inside of the spring groove 18.

[0024] By cooperating with the U-shaped telescopic rod 14 and the clamping plate 15, the device can be used to drive the U-shaped telescopic rod 14 to retract into the spring groove 18 through the compression spring 19, thereby adjusting the distance between the four clamping plates 15, so that the device can be used to install and clamp culture dishes 13 of different sizes.

[0025] A support frame 2 is fixedly installed on the rear side of the top of the base 1. A lead screw 5 is rotatably installed on the top of the support frame 2. A top plate 4 is provided on the top of the lead screw 5. A lead screw motor 6 is provided on the top of the top plate 4. The output end of the lead screw motor 6 is connected to the top of the lead screw 5 through a coupling.

[0026] By cooperating with the lead screw 5 and the lead screw motor 6, the device can be used to drive the lead screw 5 to rotate through the lead screw motor 6, thereby adjusting the position of the lead screw movable sleeve 7 on the surface of the lead screw 5, and thus adjusting the height position of the dispensing nozzle 9, so as to facilitate the dispensing of culture medium to culture dishes 13 of different sizes.

[0027] A screw sleeve 7 is movably mounted on the outer surface of the screw 5. A liquid storage tank 8 is fixedly mounted on the top of the screw sleeve 7. A filling nozzle 9 is movably mounted on the bottom of the liquid storage tank 8. The axis of the filling nozzle 9 is on the same straight line as the axis of the rotating shaft 17. A regulating valve is provided at the bottom of the liquid storage tank 8, and a feeding port is provided at the top of the liquid storage tank 8.

[0028] The top of the base 1 is provided with a rotating movable groove 10, and the bottom of the eccentric rotating plate 12 is fixedly installed with four movable rods 11, the bottom of which are all slidably inserted into the interior of the rotating movable groove 10.

[0029] Two support columns 3 are fixedly installed at the top of the support frame 2, and the bottom end of the top plate 4 is fixedly connected to the top end of the support columns 3.

[0030] When using this cell culture medium dispensing device, the culture dish 13 is first placed at the center of the eccentric rotating plate 12. At this time, the dispensing nozzle 9 will be aligned with the outer ring of the surface of the culture dish 13, and the culture medium will be dispensed into the culture dish 13 through the dispensing nozzle 9 via the storage tank 8. At the same time, the servo motor 16 drives the rotating shaft 17 to rotate slowly, thereby driving the eccentric rotating plate 12 to rotate slowly. At this time, the dispensing nozzle 9 will dispense the culture medium along the outer ring of the culture dish 13, thereby achieving uniform dispensing of the culture medium and avoiding the accumulation of culture medium in the center of the surface of the culture dish 13.

[0031] The lead screw 5 can be rotated by the lead screw motor 6, thereby adjusting the position of the lead screw movable sleeve 7 on the surface of the lead screw 5, and thus adjusting the height position of the dispensing nozzle 9, so as to facilitate the dispensing of culture medium to petri dishes 13 of different sizes;

[0032] The U-shaped telescopic rod 14 can be driven to retract into the spring groove 18 by the compression spring 19, thereby adjusting the distance between the four clamping plates 15, so that the device can be used to install and clamp culture dishes 13 of different sizes.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A cell culture media filling device comprising a base (1), characterised in that: The base (1) inside the top center position is provided with a servo motor (16), the output end of the servo motor (16) is connected with a rotating shaft (17) through a shaft coupling, the top end of the rotating shaft (17) is fixedly installed with an eccentric rotating plate (12), the outer surface of the eccentric rotating plate (12) is movably installed with four U-shaped telescopic rods (14), one end of the U-shaped telescopic rod (14) is fixedly installed with a clamping plate (15), and the culture dish (13) is arranged between the four clamping plates (15).

2. A cell culture media filling apparatus as claimed in claim 1, wherein: The outer surface of the eccentric rotating plate (12) is provided with four spring grooves (18), the other end of the U-shaped telescopic rod (14) is slidably clamped into the inside of the spring groove (18), and the U-shaped telescopic rod (14) and the spring groove (18) are movably installed with a compression spring (19) between them.

3. The cell media filling device of claim 1, wherein: The top end of the base (1) is fixedly installed with a support frame (2), the top end of the support frame (2) is rotatably installed with a lead screw (5), the top end of the lead screw (5) is provided with a top plate (4), the top end of the top plate (4) is provided with a lead screw motor (6), and the output end of the lead screw motor (6) is connected with the top end of the lead screw (5) through a shaft coupling.

4. A cell culture media filling apparatus as claimed in claim 3, wherein: The outer surface of the lead screw (5) is movably installed with a lead screw movable sleeve (7), the top end of the lead screw movable sleeve (7) is fixedly installed with a liquid storage barrel (8), the bottom end of the liquid storage barrel (8) is movably installed with a filling nozzle (9), the axis of the filling nozzle (9) is located on the same straight line as the axis of the rotating shaft (17), the bottom end of the liquid storage barrel (8) is provided with an adjusting valve, and the top end of the liquid storage barrel (8) is provided with a filling port.

5. The cell media filling device of claim 1, wherein: The top end of the base (1) is provided with a rotating movable groove (10), the bottom end of the eccentric rotating plate (12) is fixedly installed with four movable rods (11), and the bottom end of the movable rod (11) is slidably inserted into the inside of the rotating movable groove (10).

6. A cell media filling apparatus as claimed in claim 3, wherein: The top end of the support frame (2) is fixedly installed with two support columns (3), and the bottom end of the top plate (4) is fixedly connected with the top end of the support column (3).

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