Liquid supplementing measuring tank matched with cell culture bag

Abstract

The utility model discloses a fluid infusion measuring tank matched with a cell culture bag, which belongs to the technical field of experimental equipment and comprises a measuring tank body and a culture bag connector, an extension tube is arranged in the middle of the top of the measuring tank body, a first connecting tube is arranged on the side of the extension tube, an air tube is connected onto the first connecting tube, and a second connecting tube is connected onto the air tube. An inflation air bag is arranged at the end of the air pipe, a connecting pipe opening is formed in the top of the extension pipe, a tank cap is arranged on the connecting pipe opening, a guide bottom plate is arranged on the inner wall, close to the bottom, of the measuring tank body, and a control valve pipe is arranged at the bottom of the middle of the guide bottom plate; an adjusting rod is arranged between a valve switch of the control valve pipe and the measuring tank body, and a second connecting pipe is arranged between the bottom of the control valve pipe and the culture bag connector piece. Through cooperative use of the inflatable air bag, the control valve tube and other components, the supplementing speed of the nutrition materials can be conveniently controlled, and supplementing and adding work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental equipment, in particular to a liquid replenishing measuring tank matched with a cell culture bag. Background Art

[0002] Nowadays, cell culture bags have been widely used in the field of cell biology, especially in clinical research on cell therapy, which can meet the needs of mass expansion and culture of cells in a sterile environment. In the process of culturing cells, the operator needs to add nutrients such as cell activation factors and culture medium to the cell culture system at multiple different time points, so that the target cells can be rapidly expanded under specific growth conditions. In order to ensure the normal addition of nutrients, a measuring tank will be used to facilitate the addition work. After searching, the patent number CN 214937357 N discloses a liquid replenishment measuring tank for matching cell culture bags, including a measuring tank body, a volume scale mark on the side of the tank body of the measuring tank body, and a culture bag interface on the side of the measuring tank body, which has the advantages of meeting the precise liquid replenishment of different volumes and facilitating the liquid replenishment operation.

[0003] However, the existing cell culture bag refilling tank has the following problems during use: since the nutrients only rely on the inclined surface and gravity to move, the nutrients move slowly during the addition process, and the amount of nutrients added is difficult to control, which easily leads to inaccurate addition, thus affecting the addition of nutrients. Therefore, it is necessary to design a corresponding technical solution to solve the existing technical problems. Utility Model Content

[0004] The utility model aims to provide a liquid replenishing volume tank for matching with a cell culture bag, which solves the technical problems that the nutrients move slowly during the adding process because the nutrients only rely on the inclined surface and gravity to move, and the added amount of the nutrients is difficult to control, and the added amount is prone to inaccurate, which affects the addition of nutrients, thereby meeting the actual use needs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a measuring tank body and a culture bag interface, an extension tube is arranged in the middle of the top of the measuring tank body, a connecting tube 1 is arranged on the side of the extension tube, an air pipe is connected to the connecting tube 1, an inflatable airbag is arranged on the end of the air pipe, a connecting pipe port is arranged on the top of the extension tube, a tank cap is arranged on the connecting pipe port, a guide bottom plate is arranged on the inner wall of the measuring tank body near the bottom, a control valve tube is arranged at the middle bottom of the guide bottom plate, an adjusting rod is arranged between the valve switch of the control valve tube and the measuring tank body, and a connecting tube 2 is arranged between the bottom of the control valve tube and the culture bag interface.

[0006] As a preferred embodiment of the utility model, the top of the measuring tank body is an arc-shaped arched structure, the interior of the measuring tank body is filled with nutrients, scale lines are arranged on the outer edge of the measuring tank body, an anti-slip pad is arranged on the bottom of the measuring tank body, and the culture bag interface is composed of an interface tube, a joint and an interface cover.

[0007] As a preferred embodiment of the utility model, the extension tube and the measuring tank body are integrated structures, the connecting tube 1 is threadedly connected to the air pipe, a support plate is provided on the top of the measuring tank body, the top of the support plate is a circular arc concave structure, and part of the air pipe is located on the top of the support plate.

[0008] As a preferred embodiment of the utility model, the tank cap is threadedly connected to the connecting pipe mouth, the tank cap is larger than the extension pipe, the guide base plate is a trumpet-shaped structure as a whole, and the smaller end of the guide base plate is connected to the control valve pipe.

[0009] As a preferred embodiment of the utility model, one end portion of the regulating rod is located outside the measuring tank body, the second connecting pipe is overall inclined, and the second connecting pipe is connected to the culture bag interface and the control valve pipe.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] Through the coordinated use of components such as the inflatable airbag and the control valve tube, the speed of adding nutrients can be conveniently controlled. When additional addition is required, the cell culture bag is connected to the culture bag interface, and then the experimenter can manually press the inflatable airbag to fill the gas vector tank body inside the inflatable airbag, thereby pushing the internal nutrients to move, avoiding the nutrients from moving too slowly, and being able to control the filling amount of the nutrients. When the appropriate filling amount is reached, the adjustment lever is turned to close the control valve tube, thereby closing the filling of the nutrients, which is convenient to use and solves the problem of affecting the addition of nutrients. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall schematic diagram of the utility model;

[0013] Figure 2 This is a structural diagram of the inflatable airbag described in the utility model;

[0014] Figure 3 This is a structural diagram of the control valve tube of the utility model.

[0015] In the figure: culture bag interface part-1, anti-slip mat-2, adjustment rod-3, measuring tank body-4, scale line-5, tank cap-6, connecting pipe 1-7, air pipe-8, inflatable air bag-9, support plate-10, extension pipe-11, connecting pipe mouth-12, connecting pipe 2-13, control valve pipe-14, nutrients-15, guide bottom plate-16. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution: a liquid replenishing measuring tank for matching with a cell culture bag, comprising: a measuring tank body 4 and a culture bag interface 1, an extension tube 11 is arranged in the middle of the top of the measuring tank body 4, a connecting tube 7 is arranged on the side of the extension tube 11, an air pipe 8 is connected to the connecting tube 7, an inflatable air bag 9 is arranged on the end of the air pipe 8, a connecting pipe port 12 is arranged on the top of the extension tube 11, a tank cap 6 is arranged on the connecting pipe port 12, a guide bottom plate 16 is arranged on the inner wall of the measuring tank body 4 near the bottom, a control valve tube 14 is arranged at the middle bottom of the guide bottom plate 16, an adjusting rod 3 is arranged between the valve switch of the control valve tube 14 and the measuring tank body 4, and a connecting tube 2 13 is arranged between the bottom of the control valve tube 14 and the culture bag interface 1.

[0018] Further improved, the top of the measuring tank body 4 is an arc-shaped arched structure, the interior of the measuring tank body 4 is filled with nutrients 15, scale lines 5 are arranged on the outer edge of the measuring tank body 4, and an anti-slip pad 2 is arranged on the bottom of the measuring tank body 4. The culture bag interface 1 is composed of an interface tube, a joint and an interface cover.

[0019] For further improvement, the extension tube 11 and the measuring tank body 4 are integrated, the connecting tube 7 and the air pipe 8 are threadedly connected, and a support plate 10 is provided on the top of the measuring tank body 4. The top of the support plate 10 is a circular arc concave structure, and part of the air pipe 8 is located on the top of the support plate 10.

[0020] As a further improvement, the tank cap 6 is threadedly connected to the connecting pipe mouth 12 , the tank cap 6 is larger than the extension pipe 11 , the guide bottom plate 16 is a trumpet-shaped structure as a whole, and the smaller end of the guide bottom plate 16 is connected to the control valve pipe 14 .

[0021] As a further improvement, one end of the regulating rod 3 is partially located outside the measuring tank body 4 , and the second connecting pipe 13 is an overall inclined structure, and the second connecting pipe 13 is connected to the culture bag interface 1 and the control valve pipe 14 .

[0022] During use: When supplementation is needed, the utility model connects the cell culture bag to the culture bag interface 1, and then the experimenter can manually press the inflatable airbag 9 to fill the gas vector tank body 4 inside the inflatable airbag 9, thereby pushing the internal nutrients to move, avoiding the nutrients from moving too slowly, and controlling the filling amount of the nutrients. When the appropriate filling amount is reached, the adjusting rod 3 is turned to close the control valve tube 14 to close the filling of the nutrients.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A liquid replenishing tank for a cell culture bag, characterized in that: The invention comprises a measuring tank body (4) and a culture bag interface (1); an extension tube (11) is arranged in the middle of the top of the measuring tank body (4); a connecting tube 1 (7) is arranged on the side of the extension tube (11); an air pipe (8) is connected to the connecting tube 1 (7); an inflatable air bag (9) is arranged at the end of the air pipe (8); a connecting tube port (12) is arranged on the top of the extension tube (11); a tank cap (6) is arranged on the connecting tube port (12); a guide bottom plate (16) is arranged on the inner wall of the measuring tank body (4) near the bottom; a control valve tube (14) is arranged at the middle bottom of the guide bottom plate (16); an adjusting rod (3) is arranged between the valve switch of the control valve tube (14) and the measuring tank body (4); and a connecting tube 2 (13) is arranged between the bottom of the control valve tube (14) and the culture bag interface (1).

2. A liquid replenishing tank for cell culture bag according to claim 1, characterized in that: The top of the measuring tank body (4) is in the form of an arc-shaped arched structure, the interior of the measuring tank body (4) is filled with nutrients (15), scale lines (5) are arranged on the outer edge of the measuring tank body (4), an anti-slip pad (2) is arranged on the bottom of the measuring tank body (4), and the culture bag interface (1) is composed of an interface tube, a joint and an interface cover.

3. The liquid replenishing tank for cell culture bag according to claim 1, characterized in that: The extension tube (11) and the measuring tank body (4) are an integrated structure, the connecting tube 1 (7) and the air pipe (8) are threadedly connected, a support plate (10) is provided on the top of the measuring tank body (4), the top of the support plate (10) is a circular arc concave structure, and part of the air pipe (8) is located on the top of the support plate (10).

4. The liquid replenishing tank for cell culture bag according to claim 1, characterized in that: The tank cap (6) is threadedly connected to the connecting pipe opening (12); the tank cap (6) is larger than the extension pipe (11); the guide bottom plate (16) is a trumpet-shaped structure as a whole; and the smaller end of the guide bottom plate (16) is connected to the control valve pipe (14).

5. The liquid replenishing tank for cell culture bag according to claim 1, characterized in that: One end portion of the regulating rod (3) is located outside the measuring tank body (4), and the second connecting pipe (13) is an inclined structure as a whole. The second connecting pipe (13) is connected to the culture bag interface (1) and the control valve pipe (14).

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