CN215901045U - Solution suction filtration device - Google Patents
Solution suction filtration device Download PDFInfo
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- CN215901045U CN215901045U CN202122343199.6U CN202122343199U CN215901045U CN 215901045 U CN215901045 U CN 215901045U CN 202122343199 U CN202122343199 U CN 202122343199U CN 215901045 U CN215901045 U CN 215901045U
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- cup body
- lower cup
- opening
- suction filtration
- filter membrane
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Abstract
The utility model provides a solution suction filtration device, which comprises an upper cup body and a lower cup body, wherein the upper cup body is of a cylindrical structure with an upper opening and a lower opening, and an internal thread is arranged on the inner ring of the lower opening of the upper cup body; the lower cup body is of a funnel-shaped structure, and external threads are arranged on the outer ring of an upper opening of the lower cup body; the upper cup body and the lower cup body are detachably mounted through the internal thread and the external thread; the replaceable filter membrane is further arranged at the upper opening of the lower cup body, and an exhaust pipe communicated with the inner portion of the lower cup body is arranged on the side wall of the lower cup body. The utility model adopts the negative pressure suction filtration design, and the replaceable filter membrane can be reused after high-temperature sterilization and disinfection after use, thereby reducing the experiment cost; the vacuum filtration design is adopted, the upper cup body and the lower cup body are made of transparent materials, and the state of the replaceable filter membrane in the vacuum filtration process can be observed.
Description
Technical Field
The utility model relates to the field of sterile suction filtration of cell culture solution, in particular to a solution suction filtration device.
Background
The cell culture is often performed with a sterile filtration operation, and positive pressure filtration and negative pressure filtration are common sterilization methods. The existing sterilization filter is generally a positive pressure filter, but the positive pressure filter which can be repeatedly used can not directly observe the integrity of the filter membrane, and the filter membrane can only be observed by disassembling the filter after the use is finished, so that the filter membrane is damaged, and the filter can not be filtered again in time, thereby delaying the experimental time. The negative pressure suction filtration sterilization filter is generally an aseptic disposable filter produced by manufacturers, the filter membrane cannot be replaced for repeated use, and the cost is higher
Therefore, in order to overcome the defects of the prior art, a solution suction filtration device needs to be designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a solution suction filtration device.
In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a solution suction filtration device comprises an upper cup body and a lower cup body, wherein the upper cup body is of a cylindrical structure with an upper opening and a lower opening, and an internal thread is arranged on the inner ring of the lower opening of the upper cup body; the lower cup body is of a funnel-shaped structure, and external threads are arranged on the outer ring of an upper opening of the lower cup body; the upper cup body and the lower cup body are detachably mounted through the internal thread and the external thread; the replaceable filter membrane is further arranged at the upper opening of the lower cup body, and an exhaust pipe communicated with the inner portion of the lower cup body is arranged on the side wall of the lower cup body.
The preferable technical scheme is as follows: and a filter membrane supporting structure for supporting the filter membrane is arranged at the opening at the top of the lower cup body, and the filter membrane supporting structure comprises an upper concentric ring and a lower supporting net.
The preferable technical scheme is as follows: and a retainer ring corresponding to the upper opening of the lower cup body is arranged on the inner wall of the upper cup body.
The preferable technical scheme is as follows: and a sealing ring corresponding to the replaceable filter membrane is arranged at the bottom side of the retainer ring.
The preferable technical scheme is as follows: the upper cup body and the lower cup body are both made of transparent materials.
The preferable technical scheme is as follows: the upper opening of the lower cup body is a large-opening end, the lower opening of the lower cup body is a small-opening end, and the lower opening of the lower cup body is a blue-cap bottle connecting port.
Due to the application of the technical scheme, the utility model has the beneficial effects that:
1. the utility model adopts the negative pressure suction filtration design, and the replaceable filter membrane can be reused after high-temperature sterilization and disinfection after use, thereby reducing the experiment cost.
2. The utility model adopts the negative pressure suction filtration design, and the upper cup body and the lower cup body are both made of transparent materials, so that the state of the replaceable filter membrane in the suction filtration process can be observed.
Drawings
FIG. 1 is a schematic view of the present invention.
In the above drawings, 1, an upper cup body; 11. an internal thread; 12. a retainer ring; 2. a lower cup body; 21. an external thread; 22. an air exhaust pipe; 23. a blue cap bottle connecting port; 3. the filter membrane can be replaced; 4. and (5) sealing rings.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the products of the present invention are usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1, the solution suction filtration device proposed for the present invention comprises an upper cup body 1 and a lower cup body 2.
Wherein, the upper cup body 1 is a cylindrical structure with an upper opening and a lower opening, and an inner thread 11 is arranged on the inner ring of the lower opening of the upper cup body 1; lower cup 2 is for leaking hopper-shaped structure, and the upper shed outer lane of lower cup 2 is equipped with external screw thread 21, goes up cup 1 and lower cup 2 through internal thread 11 and external screw thread 21 demountable installation to wash suction filtration device inner wall and change removable filter membrane. The replaceable filter membrane 3 is arranged at the upper opening of the lower cup body 2, the inner wall of the upper cup body 1 is provided with a check ring 12 corresponding to the upper opening of the lower cup body 2, and the bottom side of the check ring 12 is provided with a sealing ring 4 corresponding to the replaceable filter membrane 3 to prevent the solution from leaking from the periphery of the replaceable filter membrane 3. Be equipped with the exhaust tube 22 of communicating the inside of cup 2 down on the lateral wall of cup 2 down, exhaust tube 22 and outside air exhaust equipment intercommunication to realize the suction filtration.
Furthermore, the opening at the top of the lower cup body 2 is provided with a filter membrane supporting structure for supporting the filter membrane, the filter membrane supporting structure comprises an upper concentric ring and a lower supporting net, the concentric ring is used for enabling the filter membrane to be uniformly pressed, and the supporting net is used for supporting the concentric ring.
In addition, go up cup 1 and lower cup 2 and make by transparent material to observe the state of the inside removable filter membrane of suction filtration device in the suction filtration process.
It should be noted that the upper opening of the lower cup body 2 is a large-opening end, the lower opening of the lower cup body 2 is a small-opening end, and the lower opening of the lower cup body 2 is a blue-cap bottle connecting port 23 for connecting with a blue-cap bottle.
Therefore, the utility model has the following advantages:
1. the utility model adopts the negative pressure suction filtration design, and the replaceable filter membrane can be reused after high-temperature sterilization and disinfection after use, thereby reducing the experiment cost.
2. The utility model adopts the negative pressure suction filtration design, and the upper cup body and the lower cup body are both made of transparent materials, so that the state of the replaceable filter membrane in the suction filtration process can be observed.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a solution suction filtration device, includes cup and lower cup, its characterized in that: the upper cup body is of a cylindrical structure with an upper opening and a lower opening, and an internal thread is arranged on the inner ring of the lower opening of the upper cup body; the lower cup body is of a funnel-shaped structure, and external threads are arranged on the outer ring of an upper opening of the lower cup body; the upper cup body and the lower cup body are detachably mounted through the internal thread and the external thread; the replaceable filter membrane is further arranged at the upper opening of the lower cup body, and an exhaust pipe communicated with the inner portion of the lower cup body is arranged on the side wall of the lower cup body.
2. The solution suction filtration device according to claim 1, wherein: and a filter membrane supporting structure for supporting the filter membrane is arranged at the opening at the top of the lower cup body, and the filter membrane supporting structure comprises an upper concentric ring and a lower supporting net.
3. The solution suction filtration device according to claim 1, wherein: and a retainer ring corresponding to the upper opening of the lower cup body is arranged on the inner wall of the upper cup body.
4. A solution suction filtration device according to claim 2, characterized in that: and a sealing ring corresponding to the replaceable filter membrane is arranged at the bottom side of the retainer ring.
5. The solution suction filtration device according to claim 1, wherein: the upper cup body and the lower cup body are both made of transparent materials.
6. The solution suction filtration device according to claim 1, wherein: the upper opening of the lower cup body is a large-opening end, the lower opening of the lower cup body is a small-opening end, and the lower opening of the lower cup body is a blue-cap bottle connecting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343199.6U CN215901045U (en) | 2021-09-27 | 2021-09-27 | Solution suction filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343199.6U CN215901045U (en) | 2021-09-27 | 2021-09-27 | Solution suction filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215901045U true CN215901045U (en) | 2022-02-25 |
Family
ID=80310887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122343199.6U Active CN215901045U (en) | 2021-09-27 | 2021-09-27 | Solution suction filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215901045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117942637A (en) * | 2024-03-27 | 2024-04-30 | 淮安驰铭智能化工程有限公司 | Full-automatic water quality filtering detector |
-
2021
- 2021-09-27 CN CN202122343199.6U patent/CN215901045U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117942637A (en) * | 2024-03-27 | 2024-04-30 | 淮安驰铭智能化工程有限公司 | Full-automatic water quality filtering detector |
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