Table type stirring equipment

By connecting the isolation sleeve at the lower end of the liquid storage container and adopting a bench-top stirring equipment with a magnetic drive system, the leakage and bacteria-infection problems of the mechanical stirring system in microbial culture are solved, and the sealing of the stirring liquid and the protection of the isolation sleeve are realized.

CN222821548UActive Publication Date: 2025-05-02ZHUHAI XIGE MEMBRANE BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420761801.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-05-02
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

The existing mechanical stirring system has the possibility of leakage and bacteria infection in microbial culture and other fields, mainly due to the dynamic sealing problem between the shaft and the reactor.

Method used

A bench-type stirring device is designed to seal by connecting an isolation sleeve at the lower end of the liquid storage container, and using a magnetic drive system, the drive member drives the stirring member to rotate without contacting the stirring member, thereby achieving sealing of the stirring liquid.

Benefits of technology

It effectively avoids leakage and bacterial infection of the stirring liquid, ensures the sealing of the stirring process, and extends the service life of the isolation sleeve.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses table type stirring equipment. The table type stirring equipment comprises a machine base, the liquid storage container is arranged above the machine base; the isolation sleeve is connected with the lower end of the liquid storage container, is provided with a first concave platform with an upward opening and is used for sealing the lower end of the liquid storage container; the driving piece is arranged on the machine base and located below the isolation sleeve, and a first magnetic piece is arranged at the output end; the lower end of the stirring part is rotationally arranged in the first concave table, the upper end is located in the liquid storage container, and a second magnetic part is arranged at the lower end. According to the arrangement, the isolation sleeve is connected to the lower end of the liquid storage container, the lower end of the liquid storage container is sealed, the second magnetic part is driven by the first magnetic part to rotate, the driving part drives the stirring part to stir stirring liquid in the liquid storage container under the condition that the driving part does not make contact with the stirring part, sealing in the stirring process is achieved, and meanwhile the driving part does not make contact with the isolation sleeve; and the condition of stirring liquid leakage caused by abrasion of the isolation sleeve is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of cell culture or biopharmaceuticals, in particular to a table-type stirring device. Background Art

[0002] In the field of biotechnology, existing small-scale and pilot-scale reactors use various stirring systems, such as gas stirring, mechanical stirring systems, etc. Among them, the mechanical stirring system is directly connected by a motor and a stirring shaft, and this connection method involves the dynamic sealing problem between the shaft and the reactor. Due to the temperature and pressure resistance of the sealing material, such reactors are prone to leakage and contamination, especially in microbial culture. Utility Model Content

[0003] The utility model provides a table-type stirring device, aiming to solve at least one of the technical problems existing in the prior art.

[0004] The technical solution of the utility model relates to a table-type stirring device, which is characterized by comprising:

[0005] Machine base;

[0006] A liquid storage container is arranged above the machine base;

[0007] An isolation sleeve connected to the lower end of the liquid storage container, the isolation sleeve is provided with a first concave platform opening upward, and the isolation sleeve is used to seal the lower end of the liquid storage container;

[0008] A driving member, arranged on the machine base and located below the isolation sleeve, wherein the output end of the driving member is provided with a first magnetic member;

[0009] The stirring member has its lower end rotatably disposed in the first concave platform and its upper end is located in the liquid storage container. A second magnetic member is disposed at the lower end of the stirring member, and the first magnetic member is used to drive the second magnetic member to rotate.

[0010] According to some embodiments of the utility model, it also includes a driving sleeve, which is connected to the output end of the driving member, and the driving sleeve is provided with a second recessed platform opening upward, the first magnetic member is arranged at the upper end of the driving sleeve and located on the side wall of the second recessed platform, and the first recessed platform is arranged in the second recessed platform.

[0011] According to some embodiments of the utility model, the stirring member includes a base and a plurality of paddles connected to the upper end of the base, the base is located in the first recess, the paddles are located in the liquid storage container, and the second magnetic member is disposed on the base.

[0012] According to some embodiments of the present invention, a plurality of second magnetic members are provided, and the plurality of second magnetic members are evenly distributed along the circumference of the base.

[0013] According to some embodiments of the present invention, the isolation sleeve and the liquid storage container are integrally formed by fusion welding.

[0014] According to some embodiments of the utility model, the liquid storage container is configured as a box body, the box body is provided with an upward opening, and the bottom of the box body is melt-welded and integrally formed with the isolation sleeve;

[0015] or

[0016] The liquid storage container is configured as a reaction bag, a feeding port is provided at the upper end of the reaction bag, and the bottom of the reaction bag is integrally formed with the isolation sleeve by melting and welding.

[0017] According to some embodiments of the present invention, a support plate is further included, wherein the support plate is connected to the base and is used to support the liquid storage container.

[0018] According to some embodiments of the utility model, the driving member is configured as a motor, and a bracket for supporting the motor is connected below the support plate.

[0019] According to some embodiments of the utility model, a weighing sensor is further included, wherein the weighing sensor is arranged on the machine base, and the support plate is arranged above the weighing sensor.

[0020] According to some embodiments of the utility model, handles are provided on both sides of the base.

[0021] The beneficial effects of the utility model are as follows.

[0022] 1. By connecting an isolating sleeve at the lower end of the liquid storage container, the lower end of the liquid storage container is sealed, the driving member is arranged on the machine base outside the liquid storage container, the lower end of the stirring member is rotatably arranged in the first concave platform, and the upper end is arranged in the liquid storage container, a first magnetic member is arranged at the output end of the driving member, and a second magnetic member is arranged at the lower end of the stirring member. The second magnetic member is driven to rotate by the first magnetic member, so that the driving member drives the stirring member to stir the stirring liquid in the liquid storage container without contacting the stirring member, thereby achieving sealing during the stirring process. At the same time, the driving member does not contact the isolating sleeve, ensuring that the isolating sleeve will not be worn to cause leakage of the stirring liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a table-type stirring device according to an embodiment of the utility model (the liquid storage container is a box body);

[0024] Figure 2 FIG. 1 is a schematic structural diagram of a table-type stirring device according to an embodiment of the present utility model (with a liquid storage container hidden);

[0025] Figure 3It is a partial cross-sectional view of a table-type stirring device according to an embodiment of the utility model;

[0026] Figure 4 It is a schematic structural diagram of a stirring member and an isolation sleeve of an embodiment of the utility model;

[0027] Figure 5 It is a schematic structural diagram of a reaction bag and an isolation sleeve according to an embodiment of the utility model.

[0028] Figure Number:

[0029] Machine base 100, handle 110, support plate 120, weighing sensor 130, bracket 140;

[0030] Box body 200, reaction bag 210;

[0031] Isolation sleeve 300, first concave platform 310;

[0032] Driving member 400, driving sleeve 410, second concave platform 411, first magnetic member 420;

[0033] A stirring member 500 , a base 510 , a paddle 520 , and a second magnetic member 530 . DETAILED DESCRIPTION

[0034] The following content will describe several embodiments of the present utility model, including embodiments corresponding to the drawings. It can be understood that the drawings are used to assist in understanding the technical features and technical solutions of the present utility model, and should not be understood as limiting the scope of protection of the present utility model.

[0035] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, scheme and effect of the utility model. It should be noted that the embodiments and features in the embodiments of this application can be combined with each other without conflict.

[0036] It should be noted that, unless otherwise clearly defined, when a feature is referred to as "fixed", "connected", "installed" or "set on" another feature, it can be directly "fixed", "connected", "installed" or "set on" another feature, or it can be indirectly "fixed", "connected", "installed" or "set on" another feature. The words "fixed", "connected", "installed" or "set on" should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meaning of the above words in this utility model in combination with the specific content of the technical solution.

[0037] It should be noted that the descriptions of the directions or positional relationships indicated by up, down, left, right, top, bottom, front, back, inside, and outside used in the present invention are based on the directions or positional relationships in the drawings or embodiments and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0038] It should be noted that the term "and / or" used in the present utility model includes any combination of one or more related listed items, "above", "below", "within", etc. are understood to include the number itself.

[0039] It should be noted that the description of first and second in the utility model is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0040] It should be noted that, unless otherwise clearly defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art. The terms used in this specification are only for describing specific embodiments, not for limiting the present invention.

[0041] Reference Figures 1 to 5 According to the utility model, a desktop stirring device includes: a machine base 100; a liquid storage container, which is arranged above the machine base 100; an isolation sleeve 300, which is connected to the lower end of the liquid storage container, and the isolation sleeve 300 is provided with a first concave platform 310 opened upward, and the isolation sleeve 300 is used to seal the lower end of the liquid storage container; a driving member 400, which is arranged on the machine base 100 and located below the isolation sleeve 300, and the output end of the driving member 400 is provided with a first magnetic member 420; a stirring member 500, the lower end of which is rotatably arranged in the first concave platform 310, and the upper end is located in the liquid storage container, and the lower end of the stirring member 500 is provided with a second magnetic member 530, and the first magnetic member 420 is used to drive the second magnetic member 530 to rotate.

[0042] In this embodiment, the first magnetic member 420 and the second magnetic member 530 may be made of high-performance rare earth magnets capable of generating a relatively strong magnetic field, such as magnets made of rubidium, iron, or boron.

[0043] The application of the above-mentioned desktop stirring device has at least the following beneficial effects: by connecting the isolation sleeve 300 to the lower end of the liquid storage container, the lower end of the liquid storage container is sealed, the driving member 400 is arranged on the base 100 outside the liquid storage container, the lower end of the stirring member 500 is rotatably arranged in the first recessed platform 310, and the upper end is arranged in the liquid storage container, a first magnetic member 420 is arranged at the output end of the driving member 400, and a second magnetic member 530 is arranged at the lower end of the stirring member 500. The second magnetic member 530 is driven to rotate by the first magnetic member 420, so that the driving member 400 drives the stirring member 500 to stir the stirring liquid in the liquid storage container without contacting the stirring member 500, thereby achieving sealing during the stirring process. At the same time, the driving member 400 does not contact the isolation sleeve 300, ensuring that the isolation sleeve 300 will not be worn to cause leakage of the stirring liquid.

[0044] According to some embodiments of the utility model, a driving sleeve 410 is further included, the driving sleeve 410 is connected to the output end of the driving member 400, the driving sleeve 410 is provided with a second concave platform 411 which is open upward, the first magnetic member 420 is provided at the upper end of the driving sleeve 410 and is located on the side wall of the second concave platform 411, the first concave platform 310 is provided in the second concave platform, a support plate 120 is provided on the machine base 100, and a bottom cover is provided in the middle of the support plate 120. In this embodiment, a convex ring is provided upward on the bottom cover, the convex ring is open downward and has a cavity, a concave portion is formed around the convex ring, the driving sleeve 410 is located in the convex ring, and the isolation sleeve 300 is located in the concave portion, as shown in FIG. Figures 1 to 4 As shown, in some other embodiments, the bottom cover may only be provided with a downward recess, and the isolation sleeve 300 is provided on the periphery of the recess. By adopting the method of this embodiment, a certain protective effect can be provided to the isolation sleeve 300. No matter which of the above embodiments is adopted, the first magnetic member 420 is located on the periphery of the second magnetic member 530, and the driving sleeve 410 is driven to rotate by the driving member 400, so that the first magnetic member 420 rotates, thereby driving the second magnetic member 530 to rotate, and finally driving the stirring member 500 to rotate and stir.

[0045] According to some embodiments of the utility model, the stirring member 500 includes a base 510 and a plurality of paddles 520 connected to the upper end of the base 510, the base 510 is located in the first recess 310, the paddles 520 are located in the liquid storage container, the second magnetic member 530 is provided on the base 510, and a plurality of second magnetic members 530 are provided, and the plurality of second magnetic members 530 are evenly distributed along the circumference of the base 510. Through the plurality of circumferentially evenly distributed second magnetic members 530, the force of the first magnetic member 420 on the base 510 is evenly distributed, and the force is evenly applied so that the entire stirring member 500 can rotate stably and is not prone to sudden speed increases or decreases.

[0046] According to some embodiments of the present invention, the isolation sleeve 300 and the liquid storage container are integrally formed by fusion welding, so that a sealed state is formed between the isolation sleeve 300 and the liquid storage container to ensure that the stirring liquid will not leak.

[0047] According to some embodiments of the present invention, Figure 1 As shown, the liquid storage container is configured as a box body 200, the box body 200 is provided with an upward opening, the bottom of the box body 200 and the isolation sleeve 300 are melt-welded into one body, and the reaction liquid to be stirred is poured into the box body 200 through the opening above the box body 200 for stirring.

[0048] According to some embodiments of the utility model, the liquid storage container can also be set as a reaction bag 210, and a feeding port is provided at the upper end of the reaction bag 210. The bottom of the reaction bag 210 and the isolation sleeve 300 are melt-welded into one piece. It can be understood that the reaction bag 210 in this embodiment is a bag body with a certain plasticity, and it itself is not provided with an opening. Only a feeding port is added at the upper end of the top or side to add materials or pour out the materials.

[0049] According to some embodiments of the present invention, the driving member 400 is configured as a motor, and a bracket 140 for supporting the motor is connected below the support plate 120 .

[0050] According to some embodiments of the present invention, a weighing sensor 130 is further included. The weighing sensor 130 is disposed on the machine base 100 , and the support plate 120 is disposed above the weighing sensor 130 . The weighing sensor 130 is used to weigh the stirring liquid in the liquid storage container.

[0051] According to some embodiments of the present invention, handles 110 are provided on both sides of the base 100, and the handles 110 can be used for quick and convenient carrying, so that the tabletop mixing device is easy to carry and transport.

[0052] It should be noted that in this specification, terms such as "one embodiment", "some embodiments", "basic embodiment", "extended embodiment" etc. may be used to describe several embodiments of the utility model. The specific features, structures, materials or characteristics in the several embodiments may be combined in accordance with the principles and purposes of the utility model.

[0053] Although some embodiments of the utility model have been shown and described in this specification, the utility model should not be limited to the above-mentioned embodiments. As long as the technical effects of the utility model are achieved by the same or equivalent means, any changes, modifications, equivalent substitutions and equivalent variations of these embodiments within the spirit and principles of the present disclosure and without departing from the principles and purpose of the present utility model should be included in the scope of protection of the present disclosure and should be deemed to belong to the scope of protection of the utility model.

Claims

1. A desktop stirring device, characterized in that: Also includes: Machine base; A liquid storage container is arranged above the machine base; An isolation sleeve connected to the lower end of the liquid storage container, the isolation sleeve is provided with a first concave platform opening upward, and the isolation sleeve is used to seal the lower end of the liquid storage container; A driving member, arranged on the machine base and located below the isolation sleeve, wherein the output end of the driving member is provided with a first magnetic member; The stirring member has its lower end rotatably disposed in the first concave platform and its upper end is located in the liquid storage container. A second magnetic member is disposed at the lower end of the stirring member, and the first magnetic member is used to drive the second magnetic member to rotate.

2. The table-top stirring device according to claim 1, characterized in that: It also includes a driving sleeve, which is connected to the output end of the driving member, and the driving sleeve is provided with a second recessed platform opening upward, the first magnetic member is arranged at the upper end of the driving sleeve and located on the side wall of the second recessed platform, and the first recessed platform is arranged in the second recessed platform.

3. The table-top stirring device according to claim 2, characterized in that: The stirring member includes a base and a plurality of blades connected to the upper end of the base, the base is located in the first concave platform, the blades are located in the liquid storage container, and the second magnetic member is arranged on the base.

4. The table-top stirring device according to claim 3, characterized in that: There are a plurality of the second magnetic members, and the plurality of the second magnetic members are evenly distributed along the circumference of the base.

5. The table-top stirring device according to claim 1, characterized in that: The isolation sleeve and the liquid storage container are integrally formed parts formed by fusion welding.

6. The table-top stirring device according to claim 5, characterized in that: The liquid storage container is configured as a box body, the box body is provided with an upward opening, and the bottom of the box body is melt-welded and integrated with the isolation sleeve; or The liquid storage container is configured as a reaction bag, a feeding port is provided at the upper end of the reaction bag, and the bottom of the reaction bag is integrally formed with the isolation sleeve by melting and welding.

7. The table-top stirring device according to claim 1, characterized in that: It also includes a support plate, which is connected to the machine base and is used to support the liquid storage container.

8. The table-top stirring device according to claim 7, characterized in that: The driving member is configured as a motor, and a bracket for supporting the motor is connected below the support plate.

9. The table-top stirring device according to claim 7, characterized in that: It also includes a weighing sensor, which is arranged on the machine base, and the support plate is arranged above the weighing sensor.

10. The table-top stirring device according to any one of claims 1 to 9, characterized in that: Handles are arranged on both sides of the machine base.