CN117022919A - Double-pipeline liquid taking device, liquid taking system and liquid taking method - Google Patents

Double-pipeline liquid taking device, liquid taking system and liquid taking method Download PDF

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Publication number
CN117022919A
CN117022919A CN202310865948.2A CN202310865948A CN117022919A CN 117022919 A CN117022919 A CN 117022919A CN 202310865948 A CN202310865948 A CN 202310865948A CN 117022919 A CN117022919 A CN 117022919A
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CN
China
Prior art keywords
liquid
valve core
cavity
switch valve
liquid taking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310865948.2A
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Chinese (zh)
Inventor
任大江
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Guangzhou Shimei Technology Co ltd
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Guangzhou Shimei Technology Co ltd
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Filing date
Publication date
Application filed by Guangzhou Shimei Technology Co ltd filed Critical Guangzhou Shimei Technology Co ltd
Priority to CN202310865948.2A priority Critical patent/CN117022919A/en
Publication of CN117022919A publication Critical patent/CN117022919A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38—Details of the container body

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

The application provides a double-pipeline liquid taking device which comprises a liquid taking body, a switch valve core and a flow guiding part, wherein a sealing sleeve is sleeved at the lower part of the liquid taking body, one side of the liquid taking body is provided with a liquid outlet, a first cavity is arranged in a penetrating manner, and the liquid outlet is communicated with the middle part of the first cavity; the guide part is connected with the lower part of the body and forms a plurality of guide areas with the sealing sleeve, a second cavity is arranged in the guide part, a connecting hole for communicating the guide area with the second cavity is arranged at the upper part of the guide part, and a check valve is arranged at the middle part of the second cavity; the valve core is internally provided with an air inlet channel and is provided with a radial air outlet hole in a penetrating way at the bottom, a first sealing structure and a liquid outlet channel are arranged in the middle of the valve core, the top of the valve core is arranged in an opening cavity at the upper part of the body through an elastic reset structure, the liquid outlet channel is blocked by the first sealing structure, the air outlet hole is closed by a check valve, and when the valve core is pressed to axially displace, the liquid outlet channel is conducted, and the air outlet hole is closed and released. According to the application, the valve core can be pressed by the external inflation structure to realize the synchronous operation of inflation and liquid taking.

Description

Double-pipeline liquid taking device, liquid taking system and liquid taking method
Technical Field
The application belongs to the technical field of inflatable liquid taking, and particularly relates to a double-pipeline liquid taking device, a liquid taking system and a liquid taking method.
Background
The inflation liquid taking technical scheme in the prior art can realize the operation of replacing the liquid in the bottle by injecting gas. The liquid taking device generally comprises a liquid taking device of a single-pipeline channel and a liquid taking device of a double-pipeline channel, wherein liquid taking and air charging channels of the liquid taking device of the single-pipeline channel are shared, liquid taking operation can be carried out after air charging is carried out, the requirement on air inlet pressure is relatively high, and the risk of wasting gas or bursting bottles possibly exists; liquid taking and inflating channels are separated in the liquid taking device with the double pipeline channels, but the structure of the liquid taking device with the existing double pipeline channels is relatively complex, and the communication of the internal channels is required to be manually switched and adjusted in advance during use, so that the use experience of consumers is affected to a certain extent.
Disclosure of Invention
In order to solve the above problems in the prior art, the present application provides a dual-pipeline liquid-taking device, a liquid-taking system and a liquid-taking method, which are used for solving the above technical defects.
According to a first aspect of the present application, a dual-circuit liquid taking device is provided, comprising a liquid taking body, a switch valve core, a sealing sleeve and a flow guiding part,
the sealing sleeve is sleeved at the lower part of the liquid taking body and is used for being in sealing fit with the bottle mouth of the liquid taking bottle body to be taken, an open cavity is formed in the upper part of the liquid taking body, a liquid outlet is formed in one side of the liquid taking body, a first cavity for accommodating the switch valve core is arranged in the liquid taking body in a penetrating manner, and the liquid outlet is communicated with the middle part of the first cavity;
the flow guiding part is connected with the lower part of the liquid taking body and is inserted into the sealing sleeve, axial flow guiding sheets are arranged on the circumferential surface of the flow guiding part at intervals in an array manner so as to form a plurality of flow guiding areas on the circumferential surfaces of the sealing sleeve and the flow guiding part, a second cavity is arranged in the flow guiding part, a connecting hole for communicating the flow guiding area with the second cavity is formed in the upper part of the flow guiding part, and a check valve is arranged in the middle of the second cavity in a sealing manner;
the lower part of switch case passes first cavity and the inside check valve cooperation of water conservancy diversion portion, and the inside of switch case is provided with inlet channel and radially runs through the venthole that has intercommunication inlet channel in the lower part of switch case, and the middle part circumference surface of switch case is provided with first seal structure and drain channel, and the top of switch case passes through the elastic reset structure and sets up in the open cavity to make first seal structure block drain channel and venthole by the check valve seal, when the switch case is pressed and takes place axial displacement, the liquid outlet switches on with drain channel and the venthole switches on with the lower part of second cavity. The double-pipeline liquid taking device can realize inflation by pressing the switch valve core through the external inflation structure, and simultaneously opens the liquid outlet channel, so that the synchronous action of inflation and liquid taking can be realized through one operation.
In some specific embodiments, the top center of the switch valve core is provided with an air charging hole, the air charging hole is communicated with the air inlet channel, and the elastic reset structure is a spring arranged between the top of the switch valve core and the bottom of the opening cavity. By means of the arrangement, reset sealing after inflation of the switch valve core is finished can be achieved.
In some specific embodiments, the liquid outlet channel is a first area between a recess formed in the circumferential surface of the middle part of the switch valve core and the middle part of the first cavity, and a second area between an axial protrusion formed in the circumferential surface of the lower part of the switch valve core and the upper part of the second cavity, the first area is communicated with the liquid outlet, the first sealing structure blocks the communication between the first area and the second area, and the first area and the second area are communicated when the switch valve core is pressed to axially displace. By means of the arrangement, the liquid outlet channel can be conducted when the switch valve core is pressed and displaced.
In some specific embodiments, a second sealing structure is disposed between the surface of the switch spool disposed over the first region and the first cavity. By means of the arrangement, liquid can be prevented from escaping from between the upper part of the switch valve core and the first cavity during liquid taking.
In some specific embodiments, the axial guide vane is provided with a tooth-shaped structure. By virtue of this arrangement, the sealing sleeve is prevented from sliding in use.
In some specific embodiments, the check valve is internally hollow and provided with an upper cavity and a lower cavity, the upper cavity is in sliding sealing fit with the bottom of the switch valve core, and the lower cavity has an inner diameter dimension larger than that of the upper cavity. By means of the sliding type check valve, the air outlet hole can be exposed to air when the switch valve core is pressed down, the switch valve core is closed when rebounding, and the sealing is reliable and no pressure loss exists.
In some specific embodiments, the device further comprises a beam plug-in unit, the beam plug-in unit is connected with the tail end of the flow guiding part in a sealing fit manner, and a beam hole is arranged inside the beam plug-in unit in a penetrating manner. By means of the beam plug-in, wine can be prevented from flowing backwards into the guide part when the bottle body stands still.
In some specific embodiments, the filter assembly further comprises a filter assembly, wherein the filter assembly comprises an annular filter screen and a hollow conduit, one end of the annular filter screen is in sealing fit with the bottom of the sealing sleeve, and the other end of the annular filter screen is fixed to the head of the hollow conduit when the tail end of the hollow conduit is in sealing connection with the tail end of the flow guiding part. By means of the arrangement of the filtering component, impurities can be filtered in the liquid taking process, and the liquid outlet quality is improved.
According to a second aspect of the present application, a liquid taking system is provided, which comprises the dual-pipeline liquid taking device as described above, and further comprises an inflation assembly and an air source, wherein the inflation assembly is connected with the air source, and the inflation assembly presses the switch valve core to perform inflation liquid taking. The liquid taking system can be connected with an air source through an inflation assembly and is matched with a double-pipeline liquid taking device to realize the synchronous operation of inflation liquid taking.
In some specific embodiments, the inflation assembly is an inflation terminal fixed on the vertical surface, and an inflation part for being in press fit with the inflation hole of the switch valve core is obliquely arranged on the inflation terminal. By means of the device, the operation of pressing, inflating and liquid taking of the single-hand bottle can be achieved.
According to a third aspect of the present application, there is provided an inflatable liquid extraction method, using a dual-circuit liquid extraction device as described above, comprising:
s1: inserting the double-pipeline liquid taking device into a liquid bottle body to be taken, and tilting the liquid bottle body to be taken, and pressing the switch valve core by utilizing the cooperation of an external inflation component and the switch valve core to open an air inlet channel and a liquid outlet channel so as to perform inflation liquid taking synchronous operation;
s2: after the liquid is taken out, the external inflation component is removed, the bottle body is arranged right, the valve core of the pressing switch is pressed to discharge redundant compressed gas in the bottle body to be taken out, and meanwhile, the stored liquid reserved at the liquid outlet is blown out.
In some embodiments, the method further comprises the step of dispensing: the joint that sets up through the liquid outlet is connected with the sub-packaging bag body, utilizes S1 to carry out the filling of sub-packaging bag body, presses the switch case and fills unnecessary compressed gas into the sub-packaging bag body after the filling is accomplished, removes the joint and is connected with the sub-packaging bag body. By means of the operation, better effect of storing liquid in the bag can be achieved, and the effects of external force resistance and bag body shaping are improved.
Compared with the prior art, the application has the beneficial effects that:
the double-pipeline liquid taking device can realize that the air inlet channel and the liquid outlet channel are simultaneously conducted when the inflation assembly is matched to be pressed down through the resettable switch valve core, so that the inflation and the liquid outlet actions are synchronously completed. The sliding check valve can be used for exposing the air outlet hole when the switch valve core is pressed down, closing the air outlet hole when the switch valve core is reset and rebounded, and the sealing is reliable and has no pressure loss. By means of the toothed flow guiding part structure, flow guiding area may be formed between the flow guiding part and the sealing sleeve to facilitate the liquid to be taken into the cavity, and the toothed axial flow guiding sheet may prevent the sealing sleeve from sliding and shifting during use. The beam plug-in unit or the filter assembly can be selected according to different application scenes to be abutted against the guide part so as to meet the corresponding application scenes. The double-pipeline liquid taking device can be adapted to different forms of inflatable terminals (such as fixed type or handheld type inflatable terminals), or an inflatable structure is integrated on a liquid taking body so as to meet different use scene requirements. In addition, after the inflation liquid taking operation is finished, compressed gas in the bottle can be discharged through pressing the valve core of the switch, and liquid stored in the liquid outlet can be discharged, so that liquid stored in the pipeline is prevented; when the split charging is applied, the split charging connector is connected with the split charging bag body for filling, and the valve core of the push switch can be utilized to enable redundant gas in the bottle to enter the split charging bag body, so that the redundant gas can be conveniently extruded out properly when the split charging bag body is packaged, and the internal environment of the package is more stable and suitable for storage.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the application. Many of the intended advantages of other embodiments and embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.
FIG. 1 is a schematic view of a dual line access device according to a first embodiment of the present application;
FIG. 2 is a cross-sectional view of a dual line access device according to a first specific embodiment of the present application;
FIG. 3 is a schematic view of a dual line access device according to a second embodiment of the present application;
FIG. 4 is a cross-sectional view of a dual line access device according to a second specific embodiment of the present application;
FIG. 5 is a schematic diagram of a liquid extraction system according to one embodiment of the application;
FIG. 6 is a schematic cross-sectional view of a fluid extraction system according to one particular embodiment of the application;
FIG. 7 is a flow chart of a method of tapping according to one embodiment of the present application;
FIG. 8 is a schematic illustration of a package according to an embodiment of the present application;
meaning of each number in the figure: the liquid taking device comprises a liquid taking body, a liquid outlet 11, a 2-switch valve core, a 21-air inlet, a 22-spring, a 23-first sealing ring, a 24-second sealing ring, a 3-sealing sleeve, a 4-flow guiding part, a 41-non-return valve, a 5-beam plug-in unit, a 6-filtering component, a 61-annular filter screen, a 62-hollow conduit, a 63-positioning sheet, a 7-liquid bottle to be taken, an 8-inflation terminal, a 9-split charging connector and a 10-split charging bag body.
Detailed Description
In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the application may be practiced. For this, directional terms, such as "top", "bottom", "left", "right", "upper", "lower", and the like, are used with reference to the orientation of the described figures. Because components of embodiments can be positioned in a number of different orientations, the directional terminology is used for purposes of illustration and is in no way limiting. It is to be understood that other embodiments may be utilized or logical changes may be made without departing from the scope of the present application. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present application is defined by the appended claims.
The application provides a liquid taking device, wherein fig. 1 shows a schematic structural diagram of a double-pipeline liquid taking device of a first embodiment of the application, and the double-pipeline liquid taking device comprises a liquid taking body 1, a switch valve core 2, a sealing sleeve 3, a flow guiding part 4 and a beam plug-in unit 5, wherein an open cavity is arranged at the upper part of the liquid taking body 1, a liquid outlet 11 is arranged at one side of the liquid taking body, and a first cavity is arranged in the liquid taking body in a penetrating way; the switch valve core 2 is arranged in a first cavity in the liquid taking body 1 in an axial displacement manner through a reset structure, an air inlet 21 matched with an external inflation component is formed in the upper part of the switch valve core 2, an air inlet channel is formed in the switch valve core 2, and when the switch valve core 2 is pressed to axially displace, the inside of the switch valve core 2 is communicated with a liquid outlet channel formed in the first cavity and the air inlet channel is also in a conducting state; the sealing sleeve 3 is sleeved at the bottom of the liquid taking body 1, annular sealing bulges are arranged on the sealing sleeve at intervals and are used for being inserted into a bottle mouth to be taken and matched with the bottle mouth to be taken in a sealing way; the flow guide part 4 is inserted into the sealing sleeve 3 and is connected with the bottom of the liquid taking body 1, and axial flow guide sheets are arranged on the circumferential surface of the flow guide part 4 at intervals, so that a plurality of flow guide areas are formed on the circumferential surfaces of the sealing sleeve and the flow guide part when the flow guide part is matched with the sealing sleeve 3; the beam plug-in unit 5 is connected with the bottom of the diversion part 4 and is used for preventing the liquid in the bottle from flowing backwards to the diversion part 4 when the bottle body to be taken is kept still. This double-circuit liquid extraction device can realize through the cooperation of pressing the inflation of outside inflation subassembly that aerifys the synchronous action of play liquid, and the structural principle of this double-circuit liquid extraction device is described in detail to the cross-sectional view of the double-circuit liquid extraction device of following structure diagram 2:
in a specific embodiment, the first cavity of the liquid taking body 1 is communicated with the opening cavity, the upper portion of the first cavity is smaller than the inner diameter of the lower portion, the upper portion and the lower portion are connected in a transitional manner through a conical surface, the liquid outlet 11 penetrates through the upper portion cavity of the first cavity, the head portion of the switch valve core 2 is provided with an upper cover structure matched with the opening cavity, the reset structure is a spring 22 arranged at the bottom of the upper cover structure and the opening cavity, the middle portion of the switch valve core 2 is matched with the upper portion of the first cavity, the middle portion of the switch valve core 2 is provided with an annular concave structure, the upper end and the lower end of the annular concave structure are respectively provided with a first sealing structure 23 and a second sealing structure 24, under the action of the spring 22, the switch valve core 2 is pushed upwards to enable the second sealing structure 24 to be connected with the conical surface of the upper portion and the lower portion of the first cavity in a sealing manner so as to block the conduction of the lower portion of the first cavity and the annular concave structure and the liquid outlet (namely, the liquid outlet channel is blocked), and when the switch valve core 2 is pushed downwards, the first cavity and the annular concave structure and the liquid outlet is conducted (namely the liquid outlet channel is conducted).
In a specific embodiment, an air inlet 21 is arranged in the middle of the upper cover structure of the switch valve core 2, the air inlet 21 is communicated with an internal air inlet channel of the switch valve core 2, an external air charging structure can realize air charging action through cooperation with the air inlet, and a sealing element is arranged in the air inlet to ensure sealing in the air charging process. The bottom of the internal air inlet channel of the switch valve core 2 radially penetrates through a radial air outlet hole communicated with the air inlet channel at the lower part of the switch valve core 2.
In a specific embodiment, the second cavity is disposed in the guide portion 4 in a penetrating manner, the guide portion 4 is connected to the lower portion of the liquid taking body 1 in a sealing manner, and a connection hole for communicating with the second cavity is disposed in the interval region of the axial guide vane on the upper portion of the guide portion 4, so that the liquid in the external guide region is led into the second cavity, and the liquid outlet action is performed through the liquid outlet channel. A check valve 41 is arranged in the second cavity below the connecting hole in a sealing way, the check valve 41 is hollow, and is provided with an upper cavity for sliding sealing with the lower end of the switch valve core 2 and a lower cavity larger than the inner diameter of the upper cavity, wherein when the switch valve core 2 is in a normal reset state (namely the state of blocking the liquid outlet channel), the lower end of the switch valve core 2 is in sealing fit with the upper cavity of the check valve 41, and the radial air outlet hole is closed by the check valve, so that the air charging channel is blocked; when the switch valve core 2 is pressed down (i.e. when the liquid outlet channel is conducted), the lower end of the switch valve core 2 extends out of the upper cavity of the check valve 41 to the lower cavity, at this time, the radial air outlet hole is conducted with the lower cavity of the check valve, and the air inlet channel is conducted, so that the air charging action can be performed.
In a specific embodiment, the axial guide plates arranged on the circumferential surface of the guide part 4 at intervals are provided with tooth-shaped structures for preventing sliding displacement of the sealing sleeve 3 when the sealing sleeve 3 is inserted and matched with the bottle mouth of the bottle body to be taken. The lower part of the flow guiding part 4 is in sealing connection with the beam plug-in unit 5 through a thread structure, and the beam plug-in unit 5 is provided with a beam hole in a penetrating way in the middle part, so that liquid in the bottle can be prevented from flowing backwards to the cavity of the flow guiding part 4 when the bottle stands still, and the cleaning difficulty of the plug is prevented from being increased. The end part is provided with a beam hole with a certain length, and external liquid is difficult to enter the inner cavity under the action of the tension of water and the air pressure of the internal sealing space. The beam plug is used as a threaded plug, and has the effect of protecting the connecting threads when the filter element is converted.
Fig. 3 shows a schematic structural diagram of a dual-pipeline liquid taking device according to a second embodiment of the present application, as shown in fig. 3, aiming at fermented wine, natural wine with more wine residues or old wine in a bottle, and the situation of bottle opening and bottle breaking, wood chips exist in the liquid in the bottle, a filter screen assembly 6 can be additionally arranged, and the filter screen assembly 6 is used for replacing the beam plug 5 and is matched with the bottom of the flow guiding part 4 through threaded connection. Fig. 4 shows a cross-sectional view of a dual pipe liquid taking device according to a second specific embodiment of the present application, as shown in fig. 4, the filter screen assembly 6 includes an annular filter screen 61 and a hollow conduit 62, the annular filter screen 61 is of a porous tubular structure, a sealing protrusion is provided at the bottom of the sealing sleeve 3, one end of the annular filter screen 61 is disposed on the sealing sleeve 3 in cooperation with the sealing protrusion, one end of the hollow conduit 62 is provided with an end cover structure, the other end is connected with the guiding part 4 through threads, radial positioning sheets are disposed on the surface of the hollow conduit 62 at intervals, the radial positioning sheets are screwed with the inside of the annular filter screen 61 through butt threads to realize sealing fit of a top inclined plane, and one end of the end cover structure clamps the other end of the annular filter screen 61 to realize air guiding and liquid filtering.
With continued reference to fig. 5, fig. 5 shows a schematic structural diagram of a liquid taking system according to an embodiment of the present application, and as shown in fig. 5, the liquid taking system includes the above-mentioned dual-pipe liquid taking device, the dual-pipe liquid taking device is inserted into a liquid bottle 7 to be taken, and further includes an air charging terminal 8, on which an air charging portion is provided, when the air charging terminal 8 is fixed on a wall or the like, the air charging portion is disposed obliquely upward, on which a pressing air outlet valve and an overpressure protection valve structure are disposed, and is connected with an external high-capacity gas bottle through a gas pipe seat, on which a guide sleeve is further disposed, the guide sleeve is used for guiding the insertion of the dual-pipe liquid taking device, and on which a notch matched with the liquid outlet 11 is disposed. The guide sleeve of the inflating part is inserted into the to-be-extracted liquid bottle 7 inserted with the double-pipeline liquid extracting device, and the air inlet channel and the liquid outlet channel are simultaneously opened by pressing the air outlet valve to be in pressing fit with the switch valve core of the double-pipeline liquid extracting device, so that the synchronous operation of inflating and extracting liquid can be realized. In a specific state, referring to fig. 6, when the liquid bottle 7 to be extracted with the double-pipeline liquid extracting device is matched with the air charging head of the air charging terminal 8, as shown in fig. 6, the bottle body is pressed to enable the valve core of the air outlet valve to be matched with the air inlet 21 of the switch valve core 2, and the switch valve core 2 is pressed downwards, so that the lower part of the first cavity of the liquid extracting body and the upper annular concave structure of the switch valve core are communicated with the liquid outlet 11 (namely, the liquid outlet channel is communicated), and meanwhile, the lower part of the switch valve core 2 extends out of the upper cavity of the check valve 41 into the lower cavity, and at the moment, the radial air outlet hole is communicated with the lower cavity of the check valve, and the air inlet channel is communicated to perform air charging action. The external compressed gas enters the bottle through the air inlet channel, and meanwhile, liquid in the bottle is pressed out of the liquid outlet channel, so that the synchronous operation of inflating and liquid taking is completed. In this embodiment, taking the dual-pipeline liquid taking device of the beam plug-in unit in fig. 1-2 as an example, in an application scenario requiring filtration, the dual-pipeline liquid taking device with the filtration assembly as shown in fig. 3-4 can be used for performing the air inflation liquid taking operation, and the operation of simultaneously implementing the air inflation and liquid taking through the pressing operation can be realized.
With continued reference to fig. 7, fig. 7 shows a flow chart of a liquid extraction method according to an embodiment of the present application, where the liquid extraction method uses the above-mentioned dual-pipeline liquid extraction device, and specifically includes the following steps:
s1: inserting the double-pipeline liquid taking device into a liquid bottle body to be taken, and tilting the liquid bottle body to be taken, and pressing the switch valve core by utilizing the cooperation of an external inflation component and the switch valve core to open an air inlet channel and a liquid outlet channel so as to perform inflation liquid taking synchronous operation;
s2: after the liquid is taken out, the external inflation component is removed, the bottle body is arranged right, the valve core of the pressing switch is pressed to discharge redundant compressed gas in the bottle body to be taken out, and meanwhile, the stored liquid reserved at the liquid outlet is blown out.
In some embodiments, the method further comprises the step of dispensing: the joint that sets up through the liquid outlet is connected with the sub-packaging bag body, utilizes S1 to carry out the filling of sub-packaging bag body, presses the switch case and fills unnecessary compressed gas to the sub-packaging bag body after the filling is accomplished, removes the joint and is connected with the sub-packaging bag body, can extrude partial unnecessary gas as required when encapsulating the sub-packaging bag body, can increase the external force resistance ability of the sub-packaging bag body on the one hand, on the other hand also can have the shaping effect. Fig. 8 shows a schematic view of a split charging according to an embodiment of the present application, if shown in fig. 8, a split charging connector 9 is provided on the liquid outlet 11 of the double-circuit liquid taking device, the split charging connector 9 is in sealing fit with the surface of the liquid outlet, and in particular, a sealing gasket is placed in the split charging connector 9 to seal the package opening. This partial shipment connects 9 can cooperate with the filling mouth of partial shipment bag body 10, when partial shipment is used, only need to insert partial shipment bag body 10 partial shipment and connect 9, can aerify the operation of getting liquid through foretell mode of getting liquid, and the switch case of usable double-pipeline liquid device of getting presses the realization and fills unnecessary compressed gas in the bottle in the partial shipment bag body after getting liquid, and then conveniently can extrude unnecessary gas as required when encapsulating partial shipment bag body 10 to guarantee the stability of encapsulation internal environment. The compressed gas in the above embodiment may be an inert-like gas that does not react with the liquid in the bottle, for example, argon, carbon dioxide, nitrogen or a mixture thereof.
According to the double-pipeline liquid taking device, through the resettable switch valve core and the matched arrangement of the switch valve core and the internal structure of the liquid taking body, the air inlet channel and the liquid outlet channel are simultaneously conducted when the matched inflation assembly is pressed down, and further the air inflation and the liquid outlet actions are synchronously completed. And the beam plug-in unit or the filter assembly can be selected according to different application scenes to be abutted against the guide part so as to meet the corresponding application scenes. The double-pipeline liquid taking device can be adapted to different forms of inflation terminals (such as the fixed type inflation terminal or the handheld type inflation terminal), or an inflation structure is integrated on a liquid taking body so as to meet different use scene requirements. In addition, after the inflation liquid taking operation is finished, compressed gas in the bottle can be discharged through pressing the valve core of the switch, and liquid stored in the liquid outlet can be discharged, so that liquid stored in the pipeline is prevented; when the split charging is applied, the split charging connector is connected with the split charging bag body for filling, and the valve core of the push switch can be utilized to enable redundant gas in the bottle to enter the split charging bag body, so that the redundant gas can be conveniently extruded out properly when the split charging bag body is packaged, and the internal environment of the package is more stable and suitable for storage.
It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present application without departing from the spirit and scope of the application. In this manner, the application is also intended to cover such modifications and variations as come within the scope of the appended claims and their equivalents. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims (12)

1. A double-pipeline liquid taking device is characterized by comprising a liquid taking body, a switch valve core, a sealing sleeve and a flow guiding part,
the sealing sleeve is sleeved at the lower part of the liquid taking body and is used for being in sealing fit with a bottle opening of a liquid bottle body to be taken, an open cavity is formed in the upper part of the liquid taking body, a liquid outlet is formed in one side of the liquid taking body, a first cavity for accommodating the switch valve core is arranged in the liquid taking body in a penetrating manner, and the liquid outlet is communicated with the middle part of the first cavity;
the guide part is connected with the lower part of the liquid taking body and is inserted into the sealing sleeve, axial guide sheets are arranged on the circumferential surfaces of the guide part at intervals so as to form a plurality of guide areas on the circumferential surfaces of the sealing sleeve and the guide part, a second cavity is arranged in the guide part, a connecting hole which is communicated with the guide area and the second cavity is formed in the upper part of the guide part, and a check valve is arranged in the middle of the second cavity in a sealing manner;
the lower part of the switch valve core passes through the first cavity and is matched with the check valve in the flow guide part, an air inlet channel is arranged in the switch valve core, an air outlet hole communicated with the air inlet channel is radially formed in the lower part of the switch valve core in a penetrating mode, a first sealing structure and a liquid outlet channel are arranged on the circumferential surface of the middle part of the switch valve core, the top of the switch valve core is arranged in the open cavity through an elastic reset structure, the first sealing structure blocks the liquid outlet channel, the air outlet hole is closed by the check valve, and when the switch valve core is pressed to axially displace, the liquid outlet is communicated with the liquid outlet channel, and the air outlet hole is communicated with the lower part of the second cavity.
2. The double-pipeline liquid taking device according to claim 1, wherein an air charging hole is formed in the center of the top of the switch valve core, the air charging hole is communicated with the air inlet channel, and the elastic reset structure is a spring arranged between the top of the switch valve core and the bottom of the opening cavity.
3. The double-pipeline liquid taking device according to claim 1, wherein the liquid outlet channel is a first area between a recess arranged on the circumferential surface of the middle part of the switch valve core and the middle part of the first cavity, and a second area between an axial protrusion arranged on the circumferential surface of the lower part of the switch valve core at intervals and the upper part of the second cavity, the first area is communicated with the liquid outlet, the first sealing structure blocks the communication between the first area and the second area, and the first area and the second area are communicated when the switch valve core is pressed to axially displace.
4. A dual circuit tapping device according to claim 3, wherein a second sealing structure is provided between the surface of the switching valve core above the first region and the first cavity.
5. The dual circuit fluid extraction apparatus of claim 1 wherein said axial baffle has a tooth configuration.
6. The double-pipeline liquid taking device according to claim 1, wherein an upper cavity and a lower cavity are arranged in the check valve in a hollow mode, the upper cavity is in sliding sealing fit with the bottom of the switch valve core, and the lower cavity is larger than the inner diameter of the upper cavity.
7. The double-pipeline liquid taking device according to claim 1, further comprising a beam plug-in unit, wherein the beam plug-in unit is connected with the tail end of the flow guiding part in a sealing fit manner, and a beam hole is arranged inside the beam plug-in unit in a penetrating manner.
8. The double-pipeline liquid taking device according to claim 1, further comprising a filtering assembly, wherein the filtering assembly comprises an annular filter screen and a hollow conduit, one end of the annular filter screen is in sealing fit with the bottom of the sealing sleeve, and the other end of the annular filter screen is fixed to the head of the hollow conduit when the tail end of the hollow conduit is in sealing connection with the tail end of the flow guiding part.
9. A liquid taking system comprising the double-pipeline liquid taking device as claimed in any one of claims 1 to 8, further comprising an inflation assembly and a gas source, wherein the inflation assembly is connected with the gas source, and the inflation assembly presses the switch valve core to perform inflation liquid taking.
10. The liquid extraction system of claim 9, wherein the inflation assembly is an inflation terminal fixed on a vertical surface, and an inflation part for being in press fit with an inflation hole of the switch valve core is obliquely arranged on the inflation terminal.
11. A method of aerated liquid extraction using a dual line liquid extraction device according to any one of claims 1 to 8, comprising:
s1: inserting the double-pipeline liquid taking device into a liquid bottle body to be taken, tilting the liquid bottle body to be taken, and pressing the switch valve core by utilizing an external inflation assembly and the switch valve core to open an air inlet channel and a liquid outlet channel so as to perform inflation liquid taking synchronous operation;
s2: and removing the external inflation assembly after liquid taking is completed, rightly arranging the bottle body, pressing the switch valve core to discharge redundant compressed gas in the bottle body to be taken, and simultaneously blowing out the stored liquid reserved at the liquid outlet.
12. The aerated liquid extraction method of claim 11, further comprising the step of sub-packaging: the connector arranged through the liquid outlet is connected with the sub-packaging bag body, the S1 is utilized for filling the sub-packaging bag body, the switch valve core is pressed after filling is completed to fill redundant compressed gas into the sub-packaging bag body, and the connector is removed to be connected with the sub-packaging bag body.
CN202310865948.2A 2023-07-14 2023-07-14 Double-pipeline liquid taking device, liquid taking system and liquid taking method Pending CN117022919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310865948.2A CN117022919A (en) 2023-07-14 2023-07-14 Double-pipeline liquid taking device, liquid taking system and liquid taking method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310865948.2A CN117022919A (en) 2023-07-14 2023-07-14 Double-pipeline liquid taking device, liquid taking system and liquid taking method

Publications (1)

Publication Number Publication Date
CN117022919A true CN117022919A (en) 2023-11-10

Family

ID=88634466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310865948.2A Pending CN117022919A (en) 2023-07-14 2023-07-14 Double-pipeline liquid taking device, liquid taking system and liquid taking method

Country Status (1)

Country Link
CN (1) CN117022919A (en)

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