CN215311953U

CN215311953U - Magnetic stirrer for cell culture

Info

Publication number: CN215311953U
Application number: CN202120847954.1U
Authority: CN
Inventors: 张松涛; 李清木
Original assignee: Zhuhai Chuntian Machinery Technology Co ltd
Current assignee: Zhuhai Chuntian Machinery Technology Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-28
Anticipated expiration: 2031-04-23

Abstract

The utility model aims to provide a cell culture magnetic stirrer which is simple and convenient to operate and can greatly improve the working efficiency. The liquid mixing machine comprises a cabinet, a liquid mixing bag and a driving machine table, wherein the liquid mixing bag is arranged in the cabinet, the driving machine table is arranged below the cabinet, a stirring assembly is arranged on the liquid mixing bag and comprises an isolation sleeve, an inner magnet and a stirring paddle, the isolation sleeve is arranged on the liquid mixing bag, the inner magnet is rotatably matched in the isolation sleeve, the stirring paddle is positioned in the liquid mixing bag and connected with the inner magnet, the driving machine table comprises a caster base, a motor and an outer magnet, the motor is arranged on the caster base, the outer magnet is in transmission connection with the motor, and the outer magnet is matched in the isolation sleeve and is arranged opposite to the inner magnet. The utility model is applied to the technical field of stirrers.

Description

Magnetic stirrer for cell culture

Technical Field

The utility model is applied to the technical field of stirrers, and particularly relates to a magnetic stirrer for cell culture.

Background

At present, before plant or animal cells for scientific experiments are cultured, a cell culture solution is prepared and the cells are cultured using the cell culture solution. And the in-process of preparing the culture solution, need utilize agitated vessel to carry out the stirring to the culture solution, traditional agitated vessel includes the cabinet body, motor and stirring rake, and the motor setting is on the cabinet body, and the stirring rake is connected with motor drive, pours various nutrient solution that are used for cell culture into the cabinet internally earlier during the preparation, then drives the motor again and drives the stirring rake and carry out the stirring to the solution. But after having used agitated vessel at every turn, all need in time to agitated vessel sanitization, avoid causing the influence to preparing other cell culture liquids, the required stirring dynamics of every kind of cell culture liquid is all different moreover, consequently still need frequent dismouting change motor on the equipment, and is more loaded down with trivial details, leads to work efficiency low. If a magnetic stirrer for cell culture which is simple and convenient to operate and can greatly improve the working efficiency can be designed, the problems can be well solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide the cell culture magnetic stirrer which is simple and convenient to operate and can greatly improve the working efficiency.

The technical scheme adopted by the utility model is as follows: the liquid mixing machine comprises a cabinet, a liquid mixing bag and a driving machine table, wherein the liquid mixing bag is arranged in the cabinet, the driving machine table is arranged below the cabinet, a stirring assembly is arranged on the liquid mixing bag and comprises an isolation sleeve, an inner magnet and a stirring paddle, the isolation sleeve is arranged on the liquid mixing bag, the inner magnet is rotatably matched in the isolation sleeve, the stirring paddle is positioned in the liquid mixing bag and connected with the inner magnet, the driving machine table comprises a caster base, a motor and an outer magnet, the motor is arranged on the caster base, the outer magnet is in transmission connection with the motor, and the outer magnet is matched in the isolation sleeve and is arranged opposite to the inner magnet.

According to the scheme, the liquid preparation bag is placed in the cabinet, then various cell nutrient solutions are input into the liquid preparation bag, the truckle base is pushed after infusion is completed until the driving machine table moves to the position below the cabinet, the outer magnet is matched in the isolation sleeve, finally the motor is driven to drive the outer magnet to rotate, the outer magnet can drive the inner magnet to rotate according to the principle of magnetic coupling transmission, and the inner magnet drives the stirring paddle to rotate until the solution in the liquid preparation bag is uniformly stirred. And after the stirring is uniformly finished, stopping driving the motor, evacuating, collecting the culture solution in the solution preparation bag, recovering the solution preparation bag, uniformly cleaning the solution preparation bag, placing another solution preparation bag in the cabinet and inputting nutrient solution when other culture solutions are prepared, and pulling out the driving machine to replace the driving machine with another driving machine to finish the replacement operation. Compared with the traditional stirring equipment, the culture solution preparation device disclosed by the utility model does not need to be cleaned every time after preparation of the culture solution, only needs to replace the solution preparation bag, then recovers the used solution preparation bag for uniform cleaning, does not need to disassemble and assemble a motor when replacing a power source, only needs to replace different driving machine tables through simple push-pull operation, is simple, convenient and quick to operate, greatly improves the working efficiency, and has strong practicability.

Furthermore, an inner cavity and a contour groove are arranged on the isolating sleeve, the inner cavity is located above the contour groove, the inner magnet is in running fit with the inner cavity, and the outer magnet is in locating fit with the contour groove.

Further, the motor passes through elevating system and sets up on the truckle frame, elevating system includes cylinder and elevating platform, the cylinder is vertical to be set up on the truckle frame, the elevating platform with the cylinder transmission is connected, the motor sets up on the elevating platform. Therefore, after the driving machine table is pushed to the lower part of the cabinet, the cylinder is firstly driven to drive the outer magnet to ascend until the outer magnet is positioned and matched in the profiling groove, and then the motor is driven to drive the stirring paddle to rotate.

Further, the rack includes frame, the cabinet body and the first truckle of a plurality of, the cabinet body sets up in the frame, it sets up to join in marriage the liquid bag the cabinet is internal, a plurality of first truckle is all rotated and is set up the bottom of frame. Therefore, the first casters are rotatably arranged at the bottom of the rack, so that the cabinet can be conveniently moved, and the cabinet is more flexible.

Furthermore, the caster base comprises a base, a push-pull handle and a plurality of second casters, the base is located below the rack, the plurality of second casters are rotatably arranged at the bottom of the base, and the push-pull handle is arranged on the side of the base. Therefore, the plurality of second caster wheels are rotatably arranged at the bottom of the base, and the push-pull handle is arranged at the side part of the base, so that an operator can move the caster wheel base through the push-pull handle conveniently, and the caster wheel base is more flexible.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view of the stirring assembly;

fig. 4 is a cross-sectional view of the cabinet.

Detailed Description

As shown in fig. 1 to 4, in this embodiment, the present invention includes a cabinet, a liquid preparation bag 1, and a driving machine, where the liquid preparation bag 1 is disposed in the cabinet, the driving machine is disposed below the cabinet, a stirring assembly is disposed on the liquid preparation bag 1, the stirring assembly includes an isolation sleeve 2, an inner magnet 3, and a stirring paddle 4, the isolation sleeve 2 is disposed on the liquid preparation bag 1, the inner magnet 3 is rotatably fitted in the isolation sleeve 2, the stirring paddle 4 is located in the liquid preparation bag 1 and connected to the inner magnet 3, the driving machine includes a caster base, a motor 5, and an outer magnet 6, the motor 5 is disposed on the caster base, the outer magnet 6 is in transmission connection with the motor 5, and the outer magnet 6 is fitted in the isolation sleeve 2 and disposed opposite to the inner magnet 3.

In this embodiment, an inner cavity 7 and a contour groove 8 are arranged on the isolation sleeve 2, the inner cavity 7 is located above the contour groove 8, the inner magnet 3 is rotatably fitted in the inner cavity 7, and the outer magnet 6 is positioned and fitted in the contour groove 8.

In this embodiment, motor 5 is in through elevating system setting on the truckle frame, elevating system includes cylinder 9 and elevating platform 10, the vertical setting of cylinder 9 is in on the truckle frame, elevating platform 10 with the transmission of cylinder 9 is connected, motor 5 sets up on the elevating platform 10.

In this embodiment, the rack includes frame 11, cabinet body 12 and the first truckle 13 of a plurality of, the cabinet body 12 sets up on the frame 11, join in marriage the liquid bag 1 and set up in the cabinet body 12, a plurality of first truckle 13 all rotates the setting and is in the bottom of frame 11.

In this embodiment, the caster base includes a base 14, a push-pull handle 15 and a plurality of second casters 16, the base 14 is located below the rack 11, the plurality of second casters 16 are all rotatably disposed at the bottom of the base 14, and the push-pull handle 15 is disposed at a side portion of the base 14.

In the present embodiment, the working principle of the present invention is as follows:

the liquid preparation bag 1 is placed in the cabinet body 12, then various cell nutrient solutions are input into the liquid preparation bag 1, the caster base is pushed through the push-pull handle 15 after infusion is completed until the driving machine table moves to the position below the rack 11, the cylinder 9 is driven to drive the outer magnet 6 to ascend until the outer magnet 6 is positioned and matched in the contour groove 8 of the isolation sleeve 2, finally the motor 5 is driven to drive the outer magnet 6 to rotate, the outer magnet 6 can drive the inner magnet 3 to rotate according to the principle of magnetic coupling transmission, and the inner magnet 3 drives the stirring paddle 4 to rotate until the solution in the liquid preparation bag 1 is uniformly stirred.

After the stirring is completed, the motor 5 is stopped to be driven, the culture solution in the solution preparation bag 1 is pumped out and collected, the solution preparation bag 1 is recovered, the subsequent solution preparation bags are cleaned in a unified mode, when other culture solutions are prepared, another solution preparation bag is placed in the cabinet body 12, nutrient solution is input, the air cylinder 9 is driven to drive the outer magnet 6 to descend and reset, and then the driving machine table is pulled out to be replaced by another driving machine table, so that the replacement operation can be completed.

Compared with the traditional stirring equipment, the culture solution preparation device disclosed by the utility model does not need to be cleaned every time after preparation of the culture solution, only needs to replace the solution preparation bag, then recovers the used solution preparation bag for uniform cleaning, does not need to disassemble and assemble a motor when replacing a power source, only needs to replace different driving machine tables through simple push-pull operation, is simple, convenient and quick to operate, greatly improves the working efficiency, and has strong practicability.

Claims

1. Cell culture magnetic stirrers, its characterized in that: it comprises a cabinet, a liquid distribution bag (1) and a driving machine table, wherein the liquid distribution bag (1) is arranged in the cabinet, the driving machine table is arranged below the machine cabinet, the liquid distribution bag (1) is provided with a stirring component, the stirring component comprises an isolation sleeve (2), an inner magnet (3) and a stirring paddle (4), the isolation sleeve (2) is arranged on the liquid preparation bag (1), the inner magnet (3) is rotationally matched in the isolation sleeve (2), the stirring paddle (4) is positioned in the liquid preparation bag (1) and is connected with the inner magnet (3), the driving machine table comprises a caster base, a motor (5) and an external magnet (6), the motor (5) is arranged on the caster base, the outer magnet (6) is in transmission connection with the motor (5), the outer magnet (6) is fitted in the spacer sleeve (2) and arranged opposite the inner magnet (3).

2. The cell culture magnetic stirrer of claim 1, characterized in that: an inner cavity (7) and a profile groove (8) are formed in the isolation sleeve (2), the inner cavity (7) is located above the profile groove (8), the inner magnet (3) is in running fit with the inner cavity (7), and the outer magnet (6) is in locating fit with the profile groove (8).

3. The cell culture magnetic stirrer of claim 1, characterized in that: motor (5) are in through elevating system setting on the truckle frame, elevating system includes cylinder (9) and elevating platform (10), cylinder (9) vertical setting is in on the truckle frame, elevating platform (10) with cylinder (9) transmission is connected, motor (5) set up on elevating platform (10).

4. The cell culture magnetic stirrer of claim 1, characterized in that: the cabinet comprises a frame (11), a cabinet body (12) and a plurality of first casters (13), wherein the cabinet body (12) is arranged on the frame (11), the liquid distribution bag (1) is arranged in the cabinet body (12), and the first casters (13) are all rotatably arranged at the bottom of the frame (11).

5. The cell culture magnetic stirrer of claim 4, characterized in that: the caster base comprises a base (14), a push-pull handle (15) and a plurality of second casters (16), the base (14) is located below the rack (11), the second casters (16) are rotatably arranged at the bottom of the base (14), and the push-pull handle (15) is arranged on the side of the base (14).