阅读说明：本技术 一种高通量自动开闭式过滤吸头 (High-flux automatic opening and closing type filtering suction head ) 是由 余伟明 杨凯清 郑伟涛 解桂林 张璐 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种高通量自动开闭式过滤吸头,包括出液管、抽液管和浮动滤芯棉,出液管包括第一连接段、第二连接段和第三连接段,第一连接段、第二连接段和第三连接段自上而下依次布置且一体连接,且第一连接段为中空圆柱形结构,第二连接段和第三连接段均为中空圆锥形结构,第一连接段、第二连接段和第三连接段内部贯通,且第三连接段底部形成有排液口；浮动滤芯棉活动卡设于第二连接段和第三连接段连接处,且浮动滤芯棉与第二连接段和第三连接段连接处的尺寸适配,浮动滤芯棉顶端面上形成有限位槽,抽液管滑动连接在第一连接段内部。该过滤吸头结构简单,设计合理,操作方便,萃取周期短,萃取效率高,萃取成本低,具有良好的应用前景。(The invention discloses a high-flux automatic opening and closing type filtering suction head, which comprises a liquid outlet pipe, a liquid suction pipe and floating filter element cotton, wherein the liquid outlet pipe comprises a first connecting section, a second connecting section and a third connecting section, the first connecting section, the second connecting section and the third connecting section are sequentially arranged from top to bottom and are integrally connected, the first connecting section is of a hollow cylindrical structure, the second connecting section and the third connecting section are of hollow conical structures, the first connecting section, the second connecting section and the third connecting section are communicated internally, and a liquid discharge port is formed at the bottom of the third connecting section; the cotton activity card of filter core that floats is located second linkage segment and third linkage segment junction, and the cotton size adaptation of the cotton and second linkage segment of filter core and third linkage segment junction that floats forms the spacing groove on the cotton top face of filter core that floats, and liquid suction pipe sliding connection is inside at first linkage segment. The filtering suction head has the advantages of simple structure, reasonable design, convenient operation, short extraction period, high extraction efficiency, low extraction cost and good application prospect.)

1. The high-flux automatic opening and closing type filtering suction head is characterized by comprising a liquid outlet pipe (1), a liquid pumping pipe (2) and floating filter element cotton (3), wherein the liquid outlet pipe (1) comprises a first connecting section (11), a second connecting section (12) and a third connecting section (13), the first connecting section (11), the second connecting section (12) and the third connecting section (13) are sequentially arranged from top to bottom and are integrally connected, the first connecting section (11) is of a hollow cylindrical structure, the second connecting section (12) and the third connecting section (13) are of hollow conical structures, the first connecting section (11), the second connecting section (12) and the third connecting section (13) are communicated internally, and a liquid discharge port (4) is formed at the bottom of the third connecting section (13); the floating filter element cotton (3) is movably clamped at the joint of the second connecting section (12) and the third connecting section (13), the floating filter element cotton (3) is matched with the size of the joint of the second connecting section (12) and the third connecting section (13), a limiting groove (5) is formed in the top end face of the floating filter element cotton (3), and the liquid pumping pipe (2) is slidably connected inside the first connecting section (11).

2. High throughput, automatic opening and closing, filtering tip according to claim 1, characterized in that said extractor tube (2) comprises an extractor tube body (21) and a head (22), said head (22) being fixed to the bottom of said extractor tube body (21), and said extractor tube body (21) and said head (22) being slidably connected to the inner wall of said first connecting section (11).

3. A high throughput, automatic opening and closing, filter tip according to claim 2, wherein said pressure head (22) is one of rubber or silicone.

4. A high throughput, automatic opening and closing, filtering tip according to claim 2, characterized in that said body (21), said first connecting section (11), said second connecting section (12) and said third connecting section (13) are made of plastic material.

5. The high throughput, automatic opening and closing, filtering tip according to any of claims 1 to 4, characterized in that said floating filter element cotton (3) is made of PE.

Technical Field

The invention relates to the technical field of biotechnology and clinical sample treatment, in particular to a high-flux automatic opening and closing type filtering suction head.

Background

The membrane filtration method is to make the protein water solution pass through the Dow reverse osmosis membrane with certain interception relative molecular mass by applying positive pressure or centripetal force to achieve the purpose of extracting the protein water solution. Although the extraction of the protein aqueous solution can be realized to a certain extent by adopting a membrane filtration method, the disadvantages of high cost, complex purification steps, long time and the like exist.

Therefore, it is an urgent need to solve the problems of the art to provide a high-throughput automatic open-close type filtering suction head with simple structure, reasonable design, convenient operation, short extraction period, high extraction efficiency and low cost.

Disclosure of Invention

In view of the above, in order to solve the technical problems of high cost, complex purification steps, long time and the like of extracting the protein aqueous solution by adopting a filter membrane method in the prior art, the invention provides the high-flux automatic opening and closing type filter suction head which has the advantages of simple structure, reasonable design, convenience in operation, short extraction period, high extraction efficiency and low cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

a high-flux automatic opening and closing type filtering suction head comprises a liquid outlet pipe, a liquid suction pipe and floating filter element cotton, wherein the liquid outlet pipe comprises a first connecting section, a second connecting section and a third connecting section, the first connecting section, the second connecting section and the third connecting section are sequentially arranged from top to bottom and are integrally connected, the first connecting section is of a hollow cylindrical structure, the second connecting section and the third connecting section are of hollow conical structures, the first connecting section, the second connecting section and the third connecting section are communicated internally, and a liquid discharge port is formed at the bottom of the third connecting section; the floating filter element cotton is movably clamped at the joint of the second connecting section and the third connecting section, the floating filter element cotton is matched with the second connecting section and the third connecting section in size, a limiting groove is formed in the top end face of the floating filter element cotton, and the liquid pumping pipe is slidably connected inside the first connecting section.

Through the technical scheme, compared with the prior art, the invention discloses the high-flux automatic opening and closing type filtering suction head, the liquid suction pipe can be pushed downwards by utilizing the sliding connection structure of the liquid suction pipe and the first connection section, so that the liquid in the liquid outlet pipe can rapidly flow onto the floating filter core cotton through the second connection section under the action of pressure, the floating filter core cotton seals the connection position of the second connection section and the third connection section, the liquid can only be discharged downwards through the floating filter core cotton, dirt, impurities and the like in the liquid are remained in the limiting groove, so that the floating filter core cotton is used for filtering and extracting the liquid, after the extraction is finished, the liquid suction pipe is pulled upwards, so that the floating filter core cotton can move upwards to the bottom of the liquid suction pipe under the action of suction force, at the moment, the width of the floating filter core cotton is smaller than the width of the connection position of the first connection section and the second connection section, the extracted protein aqueous solution can flow downwards in a gap formed by the connection of the floating filter element cotton and the first connecting section and the second connecting section and is discharged through the liquid discharge port, so that the rapid extraction of the protein aqueous solution is realized. The high-flux self-opening-closing type filtering suction head disclosed by the invention has the advantages of simple structure, reasonable design, convenience in operation, short extraction period, high extraction efficiency, low extraction cost and good application prospect.

Further, the liquid suction pipe includes drawing liquid body and pressure head, the pressure head is fixed in drawing liquid body bottom, just draw liquid body with the equal sliding connection of pressure head in on the first linkage segment inner wall.

The beneficial effects that adopt above-mentioned technical scheme to produce are for this filtering suction head simple structure, reasonable in design can effectively realize beating liquid and the drawing liquid operation to liquid in the drain pipe, and the extraction cycle to protein aqueous solution is short.

Further, the pressure head adopts one of rubber material or silica gel material.

The beneficial effect who adopts above-mentioned technical scheme to produce is for this filtering suction head simple structure, low in manufacturing cost.

Further, the liquid extraction pipe body. The first connecting section, the second connecting section and the third connecting section are all made of plastic materials.

Optionally, the access tube body. The first connecting section, the second connecting section and the third connecting section are all made of PVC materials.

The filter suction head has the advantages of simple structure, easy production and processing and low cost.

Furthermore, the floating filter element cotton is made of PE materials.

The beneficial effect that adopts above-mentioned technical scheme to produce is, can fully realize filtering the extraction to protein aqueous solution fully, and extraction efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a high-throughput automatic open-close type filter tip in a liquid pumping state according to the present invention;

FIG. 2 is a schematic structural diagram of a high-throughput automatic open-close type filtering suction head in a liquid-extracting state according to the present invention.

Wherein: 1-liquid outlet pipe, 11-first connecting section, 12-second connecting section, 13-third connecting section, 2-liquid extracting pipe, 21-liquid extracting pipe body, 22-pressure head, 3-floating filter element cotton, 4-liquid outlet and 5-limiting groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention discloses a high-flux automatic opening and closing type filtering suction head, which comprises a liquid outlet pipe 1, a liquid pumping pipe 2 and floating filter element cotton 3, wherein the liquid outlet pipe 1 comprises a first connecting section 11, a second connecting section 12 and a third connecting section 13, the first connecting section 11, the second connecting section 12 and the third connecting section 13 are sequentially arranged from top to bottom and are integrally connected, the first connecting section 11 is of a hollow cylindrical structure, the second connecting section 12 and the third connecting section 13 are of hollow conical structures, the first connecting section 11, the second connecting section 12 and the third connecting section 13 are internally communicated, and a liquid discharge port 4 is formed at the bottom of the third connecting section 13; the cotton 3 activity card of unsteady filter core is located second linkage segment 12 and 13 junctions of third linkage segment, and the cotton 3 size adaptation of the cotton 3 and second linkage segment 12 and 13 junctions of third linkage segment of unsteady filter core, is formed with spacing groove 5 on the cotton 3 top end face of unsteady filter core, and 2 sliding connection of liquid suction pipe are inside 11 first linkage segments.

According to an alternative embodiment of the present invention, the liquid pumping tube 2 comprises a liquid pumping tube body 21 and a pressure head 22, the pressure head 22 is fixed at the bottom of the liquid pumping tube body 21, and both the liquid pumping tube body 21 and the pressure head 22 are slidably connected to the inner wall of the first connecting section 11, so that the filtering suction head has a simple structure and a reasonable design, can effectively realize liquid pumping and liquid pumping operations on liquid in the liquid pumping tube, and has a short extraction period on protein aqueous solution.

According to an alternative embodiment of the invention, the head 22 is made of rubber, so that the filter head is simple and inexpensive to manufacture.

According to an alternative embodiment of the present invention, the liquid suction pipe body 21, the first connection section 11, the second connection section 12 and the third connection section 13 are made of PVC, so that the filtering suction head has a simple structure, is easy to produce and process, and has a low cost.

According to an optional embodiment of the invention, the floating filter element cotton 3 is made of PE material, so that the sufficient filtration and extraction of the protein water solution can be fully realized, and the extraction efficiency is high.

The invention relates to a high-flux automatic opening and closing type filtering suction head, which can push a liquid suction pipe downwards by utilizing a sliding connection structure of the liquid suction pipe and a first connection section, so that liquid in a liquid outlet pipe can flow onto floating filter core cotton quickly through the second connection section under the action of pressure, the floating filter core cotton seals the connection part of the second connection section and a third connection section, the liquid can only be discharged downwards through the floating filter core cotton, dirt, impurities and the like in the liquid are remained in a limiting groove, so that the liquid is filtered and extracted by the floating filter core cotton, after extraction is finished, the liquid suction pipe is pulled upwards, so that the floating filter core cotton can move upwards to the bottom of the liquid suction pipe under the action of suction force, at the moment, because the width of the floating filter core cotton is smaller than that of the connection part of the first connection section and the second connection section, protein aqueous solution after extraction can flow downwards in a gap formed by the connection part of the floating filter core cotton and the first connection section and the second connection section, and is discharged through a liquid outlet, so that the rapid extraction of the protein water solution is realized. The filtering suction head is simple in structure, reasonable in design, convenient to operate, short in extraction period, high in extraction efficiency, low in extraction cost and good in application prospect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.