CN216890374U - Filter flask with laminated water seal for intelligent single-stage composite integrated RO (reverse osmosis) filter element - Google Patents

Abstract

The utility model relates to the technical field of water purifiers, in particular to an intelligent single-stage composite RO filter element filter flask with a press-fit water seal. On the other hand, the water seal is arranged in the filter flask, when the filter flask is detached, the water seal ejector pin automatically seals the filter flask under the action of the elastic structure, so that the internal liquid is prevented from flowing out, and when the filter flask is installed, the water seal ejector pin is automatically ejected by the filter flask cover to be conducted.

Description

Filter flask with laminated water seal for intelligent single-stage composite integrated RO (reverse osmosis) filter element

Technical Field

The utility model relates to the technical field of water purifiers, in particular to an intelligent single-stage composite RO filter cylinder with a press-fit water seal.

Background

With the pursuit of the public on the quality of life, the requirements of people on the quality of drinking water are higher and higher. Therefore, the water purifier is used as a purifying device of drinking water, and the produced purified water is fresher, more sanitary and safer and is popular with consumers. And then promoted the rapid development of water purifier manufacturing industry, in order to satisfy the massive demands of market, how to reduce the cost in the aspects such as water purifier production and use, be the problem that needs to solve in the trade.

The water purifiers in the prior art mostly adopt an enhanced bacteria control type household water purifier disclosed by the publication number CN208532432U (publication date of 2019, 2 month and 22 days), which comprises a PP cotton filter element filter bottle, a particle gamma-FeOOH filter element filter bottle, a compressed activated carbon filter element filter bottle, an ultrafiltration membrane filter element filter bottle and a coconut shell activated carbon filter element filter bottle, wherein the five filter bottles are sequentially connected in series through pipelines. Different from the traditional five-stage ultrafiltration water purifier, the water purifier is additionally provided with a particle gamma-FeOOH filter element filter flask, and the aim of controlling bacteria by 'phosphorus grain breaking' is fulfilled by removing inorganic phosphorus in inlet water in a strengthening way. The water purifier mounting means is simple and convenient, and the pipe connection mode is simple, and the water intaking is convenient, can solve the long-time difficult problem that the bacterial concentration is showing and increases in the use of water purifier. In order to realize the multifunctional water purification function, filter bottles with different functions are connected in series to form a multi-stage water purifier.

However, the present invention has been made in view of the problem of internal liquid leakage when the filter flask is disassembled, and it is an object of the present invention to provide a single-stage filter flask assembly having a compact structure, an automatic water-sealing function, and integrated multiple filter cartridges.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides an intelligent single-stage composite RO filter element filter flask with a press water seal, which comprises

The filter bottle cap comprises a first interface disc and a cover body, the upper surface of the first interface disc and the bottom surface of the cover body are arranged oppositely, the first interface disc is rotationally connected with the cover body, a plurality of through holes are formed in the first interface disc, a plurality of pipe interfaces are arranged on the cover body, the pipe interfaces are respectively communicated with a plurality of open holes in the bottom of the cover body through pipelines, and the number and the positions of the through holes and the open holes are correspondingly arranged;

the filter bottle is detachably connected with the filter bottle cover, a plurality of filter bottle interfaces are arranged at the top of the filter bottle, and the filter bottle interfaces are arranged corresponding to the number and positions of the via holes;

the filter flask is characterized in that a water seal is further arranged in the filter flask, the water seal comprises a water seal ejector pin and an elastic structure, the elastic structure enables the water seal ejector pin to be jacked and blocked at the first position of the insertion pipe, and when the water seal ejector pin is located at the first position, the water seal ejector pin is partially located in the filter flask connector.

In one embodiment, the water seal further comprises a water seal pipe;

the water seal ejector pin comprises a guide rod part, a thrust part and an ejector pin part, and the radial size of the thrust part is larger than that of the guide rod part and the ejector pin part;

one end of the water seal pipe is provided with a guide hole, the end face where the guide hole is located is a hollow structure, the elastic structure is located between the thrust portion and the end face where the guide hole is located, the water seal ejector pin passes through the guide rod portion and the water seal pipe are in sliding connection, the opening size of the other end of the water seal pipe is smaller than the radial size of the thrust portion, and when the water seal ejector pin is located at the first position, the thrust portion is located at the opening of the water seal pipe and blocks the opening.

In one embodiment, the plurality of filter bottle interfaces comprise a first interface, a second interface, a third interface, a fourth interface and a fifth interface which are arranged in parallel;

the plurality of via holes comprise a first via hole, a second via hole, a third via hole, a fourth via hole and a fifth via hole which respectively correspond to the first interface, the second interface, the third interface, the fourth interface and the fifth interface, and the third via hole is arranged in the center of the first interface disc;

the bottom of the first interface disc is provided with a plurality of interface pins, the number and the positions of the interface pins correspond to the via holes, the via holes penetrate through the first interface disc and the interface pins, the via holes are internally provided with a resisting part and a connecting part, and the resisting part is connected with the side wall of the via holes through the connecting part.

In an embodiment, the cover body includes a first cover body and a second cover body, the first cover body and the second cover body are detachably and fixedly connected, the pipe joint is disposed on the first cover body, the second cover body is an annular structure disposed at the lower end of the first cover body, at least two first clamping portions are circumferentially and uniformly distributed on the inner side of the second cover body, and the first clamping portions have a first inclined surface, a horizontal surface and a second inclined surface which are connected with each other.

In an embodiment, the first cover body further includes a second interface disc, the second interface disc is circumferentially and fixedly connected with the first cover body, bosses are arranged on the upper surface of the second interface disc, the number and the positions of the bosses correspond to those of the via holes, stepped holes are formed in the bosses, and the pipe interfaces are communicated with the stepped holes through the pipelines, the tail ends of which are inserted into the stepped holes;

a connecting boss is arranged in the center of the bottom surface of the second interface disc, a connecting counter bore is arranged in the center of the upper surface of the first interface disc, and the second interface disc and the first interface disc are rotatably connected through the connecting boss inserted into the connecting counter bore;

the bottom surface of the second interface disc is in clearance fit with the upper surface of the first interface disc.

In an embodiment, the stepped hole located in the center of the second interface disc is a third stepped hole, a one-way valve is arranged at the third stepped hole, and the conduction direction of the one-way valve is the direction from the filter bottle to the filter bottle cap.

In one embodiment, the filter bottle comprises an outer bottle, the outer bottle comprises an end head, a bottle body and an end cover, the end head is arranged at one end of the bottle body, the diameter of the end head is relatively smaller than that of the bottle body, at least two second clamping parts which are uniformly distributed in the circumferential direction are arranged on the side wall of the end head, and the second clamping parts are provided with a second horizontal plane and a third inclined plane which are connected;

the top of the end head is provided with the first interface, the second interface, the third interface, the fourth interface and the fifth interface which are arranged in quantity and position corresponding to the interface pins, the interior of the end head is provided with a first slot, a second slot, a third slot, a fourth slot and a fifth slot corresponding to each filter bottle interface, the first slot is communicated with the first interface, the second slot is communicated with the second interface, the third slot is communicated with the third interface, the fourth slot is communicated with the fourth interface, and the fifth slot is communicated with the fifth interface;

the end cover is detachably connected with the other end of the bottle body, and a cavity is formed in the end cover, the bottle body and the end head.

In one embodiment, the filter bottle further comprises a first filter layer and an inner bottle, the inner bottle comprises a first end cover and an inner bottle barrel, the first end cover comprises a first side edge and a first end face, the diameter of the first side edge is matched with the inner diameter of the bottle body of the outer bottle, and the first side edge is provided with a plurality of grooves which are connected with the upper side edge and the lower side edge of the first side edge;

the upper surface of the first end surface is provided with a plurality of bulges, the lower surface of the first end surface is provided with a connecting flange, the first end surface is detachably connected with the inner bottle cylinder body through the connecting flange, the first filter layer is sleeved outside the inner bottle cylinder body, a first cavity is arranged between the first filter layer and the outer bottle, and a second cavity is arranged between the first filter layer and the inner bottle;

the upper surface of the first end surface is also provided with a second through hole, a third through hole and a fourth through hole, and the second through hole, the third through hole and the fourth through hole are positioned in the circular projection of the inner bottle cylinder in a top view;

the upper surface of the first end face is further provided with a first insertion pipe and a fifth insertion pipe, an opening is formed in the bottom of the side wall of the first insertion pipe, a communicating portion is formed in the bottom of the side wall of the fifth insertion pipe, and the communicating portion is communicated with the interior of the fifth insertion pipe and the second cavity.

In one embodiment, the inner bottle further comprises a second end cap and a second filter layer, the second end cap is located within the inner bottle barrel, the second end cap comprises a second end face and a second skirt, the second skirt has an outer diameter smaller than the inner diameter of the inner bottle barrel;

a second inserting pipe, a third inserting pipe and a fourth inserting pipe are arranged on the upper surface of the second end face, and the second end cover is connected with the first end cover through the second inserting pipe penetrating through the second through hole, the third inserting pipe penetrating through the third through hole and the fourth inserting pipe penetrating through the fourth through hole;

the bottoms of the third inserting pipe and the fourth inserting pipe are communicated with the inside of the second end cover through openings, the second face is also provided with a guide groove, the guide groove is connected with the edge of the second end face and the bottom of the second inserting pipe, and the guide groove is communicated with the bottom of the second inserting pipe;

the second filter layer is of a cylindrical structure, the second filter layer penetrates through the second end cover and the inner bottle barrel body, a third cavity is formed between the outer wall of the second filter layer and the inner bottle barrel body, a fourth cavity is formed between one end face, close to the second end cover, of the second filter layer and the second end cover, the fourth cavity is communicated with the fourth insertion tube, and the inside of the second filter layer is communicated with the third insertion tube and is separated from the fourth cavity.

In an embodiment, the first insertion tube is inserted into the first insertion slot, the second insertion tube is inserted into the second insertion slot, the third insertion tube is inserted into the third insertion slot, the fourth insertion tube is inserted into the fourth insertion slot, and the fifth insertion tube is inserted into the fifth insertion slot;

the first insertion pipe, the second insertion pipe, the third insertion pipe, the fourth insertion pipe and the fifth insertion pipe are all provided with the water seals.

Based on the above, compared with the prior art, the intelligent single-stage composite RO filter element filter flask with the press-fit water seal provided by the utility model has two parts, namely a filter flask cover and a filter flask, on one hand, the first interface disc is rotatably connected with the cover body through the structure of the first interface disc arranged in the filter flask cover, the first interface disc is provided with a plurality of through holes, and the through holes on the first interface disc and the open holes on the cover body connected with the pipe interfaces are correspondingly arranged, so that the opening and closing functions of the filter flask are increased through slight volume change, and the filter flask has relatively smaller volume. On the other hand, the water seal is arranged in the filter flask, when the filter flask is detached, the water seal ejector pin automatically seals the filter flask under the action of the elastic structure, so that the internal liquid is prevented from flowing out, and when the filter flask is installed, the filter flask cover automatically pushes the water seal ejector pin into the filter flask to be conducted.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts; in the following description, the drawings are illustrated in a schematic view, and the drawings are not intended to limit the present invention.

Fig. 1 is an exploded cross-sectional view of an embodiment of an intelligent single-stage composite integrated RO filter cartridge with a press-fit water seal according to the present invention;

FIG. 2 is a perspective view of an embodiment;

FIG. 3a is a schematic view of an exploded structure of a filter cap according to an embodiment;

FIG. 3b is a schematic view of an exploded structure of a filter cap according to an embodiment;

FIG. 4 is a schematic top view of an embodiment first interface disk;

FIG. 5 is a schematic external perspective view of a filter flask according to an embodiment;

FIG. 6 is a schematic cross-sectional view of an example filter flask;

FIG. 7 is a schematic cross-sectional view of an example outer bottle;

FIG. 8a is a schematic view of a first end cap with a high viewing angle according to an embodiment;

FIG. 8b is a schematic view of a low-angle structure of a first end cap according to an embodiment;

FIG. 9 is a schematic cross-sectional view of a second end cap according to the embodiment;

FIG. 10 is a schematic cross-sectional view of a preferred embodiment of a filter flask;

fig. 11 is a schematic cross-sectional view of the water seal according to the embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; the technical features designed in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, and are not to be construed as limiting the present invention; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The following description will be made by specific examples.

To achieve at least one of the advantages or other advantages, an embodiment of the present invention is shown in fig. 1 and 2, in which fig. 1 is an exploded cross-sectional view of an intelligent single-stage composite integrated RO cartridge multi-layered purification cartridge assembly provided in this embodiment, and fig. 2 is an external perspective view. As shown in fig. 1 and 2, the intelligent single-stage composite skill RO cartridge multi-layer purification filter flask assembly comprises a filter flask cap 100 and a filter flask 200.

As shown in fig. 1-3, in some embodiments, the filter bottle cap 100 includes a first interface disc 110 and a cover body 120, an upper surface of the first interface disc 110 and a bottom surface of the cover body 120 are disposed opposite to each other, the first interface disc 110 is rotatably connected to the cover body 120, a plurality of through holes 111 are disposed on the first interface disc 110, a plurality of tube interfaces 130 are disposed on the cover body 120, the plurality of tube interfaces 130 are respectively communicated with a plurality of openings at the bottom of the cover body 120 through pipes 140 disposed in the cover body 120, the plurality of through holes 111 and the plurality of openings are disposed in corresponding numbers and positions, where the corresponding arrangement is that, in a top view, projection positions of the through holes 111 and the openings at the bottom of the cover body 120 coincide to form a plurality of independent channels connected to the corresponding tube interfaces 130;

the filter flask 200 is further provided with a water seal 260, the water seal 260 comprises a water seal thimble 261 and an elastic structure, the elastic structure enables the water seal thimble 261 to be plugged at a first position of the filter flask connector 210, and when the water seal thimble is located at the first position, a part of the water seal thimble 261 is located in the filter flask connector 210.

As shown in fig. 1, a filter bottle 200 is detachably connected to the filter bottle cap 100, a plurality of filter bottle connectors 210 are disposed on the top of the filter bottle 200, and the plurality of filter bottle connectors 210 are disposed corresponding to the number and positions of the plurality of via holes 111, where the corresponding arrangement is that, in a top view, the projection positions of the via holes 111 and the filter bottle connectors 210 are coincident; a plurality of filter layers 250 are arranged inside the filter bottle 200 in a sleeved mode, a plurality of cavities are formed between the filter layers 250 and the internal structure of the filter bottle 200, and each cavity is communicated with at least one filter bottle connector 210.

In some embodiments, the number of the pipe connectors 130 and the filter flask connectors 210 is five, that is, a plurality of the filter flask connectors 210 include a first connector 211, a second connector 212, a third connector 213, a fourth connector 214 and a fifth connector 215 which are arranged in parallel, in which the first connector 211 corresponds to a tap water inlet, the fifth connector 215 corresponds to a pump water inlet, the second connector 212 corresponds to a pump water outlet, the third connector 213 corresponds to a pure water outlet, and the fourth connector 214 corresponds to a waste water outlet, and the positions of the five connectors arranged in parallel form a row, and preferably, the five connectors are densely distributed to reduce the diameter of the filter flask as much as possible. However, the distribution of the interfaces in the present invention is not limited to this, and for example, the position distribution of five interfaces may also form a quincunx lattice shape in which four interfaces surround one interface.

Correspondingly, the plurality of via holes 111 include a first via hole 111a, a second via hole 111b, a third via hole 111c, a fourth via hole 111d, and a fifth via hole 111e, which correspond to the first interface 211, the second interface 212, the third interface 213, the fourth interface 214, and the fifth interface 215, respectively, and the third via hole 111e is disposed in the center of the first interface board 110.

In some embodiments, as shown in fig. 3a and b, the cover 120 includes a first cover 121 and a second cover 122, the first cover 121 and the second cover 122 are detachably and fixedly connected, the pipe joint 130 is disposed on the first cover 121, the second cover 122 is an annular structure disposed at the lower end of the first cover 121, at least two first clamping portions 122a are disposed at the inner side of the second cover 122, and the first clamping portions 122a have a first inclined surface, a horizontal surface, and a second inclined surface that are connected to each other.

As shown in fig. 3b, the bottom of the first interface disk 110 is provided with a plurality of interface pins 112, the number and position of the interface pins 112 correspond to the via holes 111, the via holes 111 penetrate through the first interface disk 110 and the interface pins 112, as shown in fig. 4, the via holes are provided with a resisting portion 1111 and a connecting portion 1112, and the resisting portion 1111 is connected with the sidewall of the via holes 111 through the connecting portion 1112.

In some embodiments, as shown in fig. 3a and 3b, the first cover body 121 further includes a second interface disc 123, the second interface disc 123 is circumferentially and fixedly connected with the first cover body 121, the upper surface of the second interface disc 123 is provided with bosses 123a corresponding in number and position to the through holes, stepped holes 123b are formed in the bosses 123a, and the pipe interface 130 is communicated with the stepped holes 123b through a pipe 140 having a tip inserted in the stepped holes 123 b;

a connecting boss 123c is arranged in the center of the bottom surface of the second interface disc 123, a connecting counterbore 113 is arranged in the center of the upper surface of the first interface disc 110, and the second interface disc 123 and the first interface disc 110 are rotatably connected through the connecting boss 123c inserted into the connecting counterbore 113; the bottom surface of the second interface disk 123 is in clearance fit with the upper surface of the first interface disk 110, and when the through hole 111 is aligned with the stepped hole 123b, a water channel is formed, and preferably, a sealing groove and a sealing ring are arranged around each stepped hole 123b on the bottom surface of the second interface disk 123.

In some embodiments, as shown in fig. 3a and 3b, the first interface disc 110 is provided with a limit pin 114, the second interface disc 123 is provided with an arc-shaped limit groove 123d, and the limit pin 114 is located in the arc-shaped limit groove 123 d.

In some embodiments, as shown in fig. 1, the stepped hole 123b located in the center of the second interface disc 123 is a third stepped hole, and a one-way valve 124 is disposed at the third stepped hole, and the conducting direction of the one-way valve 124 is the direction from the filter bottle 200 to the filter bottle cap 100.

In some embodiments, as shown in fig. 5-7, the filter bottle 200 includes an outer bottle 220, the outer bottle 220 includes a head 221, a body 222 and an end cap 223, as shown in fig. 6, the head 221 is disposed at one end of the body 222, the diameter of the head 221 is relatively smaller than that of the body 222, the sidewall of the head 221 is provided with at least two second clamping portions 221a which are circumferentially distributed, and the second clamping portions 221a have a second horizontal plane and a third inclined plane which are connected;

as shown in fig. 7, the top of the head 221 is provided with a first port 211, a second port 212, a third port 213, a fourth port 214 and a fifth port 215, which are arranged in number and position corresponding to the port pin 112, the interior of the head 220 is provided with a first slot 224a, a second slot 224b, a third slot 224c, a fourth slot 224d and a fifth slot 224e corresponding to each filter bottle port 210, the first slot 224a is communicated with the first port 211, the second slot 224b is communicated with the second port 212, the third slot 224c is communicated with the third port 213, the fourth slot 224d is communicated with the fourth port 214, and the fifth slot 224e is communicated with the fifth port 215;

the end cap 223 is detachably connected to the other end of the bottle body 222, and the end cap 223, the bottle body 222 and the head 221 form a cavity inside.

Referring to fig. 5 and 6, the filter bottle 200 further includes a first filter layer 251 and an inner bottle 240, the inner bottle 240 includes a first end cap 241 and an inner bottle body 242, the first end cap 241 includes a first side edge 2411 and a first end face 2412, as shown in fig. 6, the diameter of the first side edge 2411 matches with the inner diameter of the bottle body 222 of the outer bottle 220, and the first side edge 2411 has a plurality of grooves 2411a connecting the upper and lower sides of the first side edge 2411;

as shown in fig. 8a and b, the upper surface of the first end face 2412 is provided with a plurality of protrusions 2412a, the lower surface of the first end face 2412 is provided with a connecting flange 2412b, the first end face 2412 is detachably connected with the inner bottle cylinder 242 through the connecting flange 2412b, the first filter layer 251 is sleeved outside the inner bottle cylinder 242, a first cavity 201 is formed between the first filter layer 251 and the outer bottle 220, and a second cavity 202 is formed between the first filter layer 230 and the inner bottle 240;

preferably, the first filter layer 251 is made of, but not limited to, activated carbon or PP cotton filter material, or a jacketed layer of both.

In some embodiments, as shown in fig. 8a and b, the upper surface of the first end face 2412 further defines a second through hole 2412c, a third through hole 2412d and a fourth through hole 2412e, and the second through hole 2412c, the third through hole 2412d and the fourth through hole 2412e are located in the circular projection of the inner cylinder 242 in a top view;

in some embodiments, the upper surface of the first end surface 2412 is further provided with a first cannula 2412f and a fifth cannula 2412g, the bottom of the side wall of the first cannula 2412f is provided with an opening, and the bottom of the side wall of the fifth cannula 2412g is provided with a communication part, and the communication part is communicated with the interior of the fifth cannula 2412g and the second cavity 202.

In some embodiments, as shown in fig. 6 and 9, the inner vial 240 further comprises a second end cap 243 and a second filter layer 252, the second end cap 243 being located within the inner vial barrel 242, the second end cap 243 comprising a second end face 2431 and a second skirt 2432, the second skirt 2432 having an outer diameter that is less than the inner diameter of the inner vial barrel 242;

wherein, the second end surface 2431 is provided with a second cannula 2431a, a third cannula 2431b and a fourth cannula 2431c on the upper surface, the second end cap 2431 is connected with the first end cap 2412 through the second cannula 2431a passing through the second through hole 2412c, the third cannula 2431b passing through the third through hole 2412d and the fourth cannula 2431c passing through the fourth through hole 2412 e;

as shown in fig. 6, the bottom of each of the third insertion tube 2431b and the fourth insertion tube 2412e is communicated with the inside of the second end cap 243 through the opening, the second end surface 2431 further has a guide groove 2431d, the guide groove 2431d connects the edge of the second end surface 2431 and the bottom of the second insertion tube 2431a, and the guide groove 2431d is communicated with the bottom 2431a of the second insertion tube;

the second filter layer 252 is a cylindrical structure, the second filter layer 252 is an RO (Reverse Osmosis) membrane, but not limited to, the outer side wall of the cylindrical RO membrane is impermeable to water, water flow can flow into the RO membrane from the bottom end face, pure water obtained after filtration flows out from the inner side wall of the RO membrane, and wastewater flows out from the top end face of the RO membrane. The second filter layer 252 is disposed through the second end cap 243 and the inner vase body 242, as shown in fig. 6, a third cavity 203 is formed between the outer wall of the second filter layer 252 and the inner vase body 242, a fourth cavity 204 is formed between an end face of the second filter layer 252 close to the second end cap 243 and the second end cap 243, the fourth cavity 204 is communicated with a fourth insertion tube 2412e, an inner tube is disposed through the second filter layer 252, a fifth cavity 205 is formed in the inner tube, and the fifth cavity 205 is communicated with the third insertion tube 2412d and is isolated from the fourth cavity 204.

Preferably, as shown in fig. 10, in some embodiments, a third filter layer 253 may be further disposed in the fifth cavity 205, the third filter layer 253 is disposed through the inner tube, and the third filter layer 253 has a hollow structure. Preferably, the third filter layer is made of, but not limited to, activated carbon, PP cotton, or a functional filter element material, such as a taste filter element material commonly used in the art.

Specifically, as shown in fig. 6, a first insertion tube 2412f is inserted into the first insertion slot 224a, a second insertion tube 2431a is inserted into the second insertion slot 224b, a third insertion tube 2431b is inserted into the third insertion slot 224c, a fourth insertion tube 2431c is inserted into the fourth insertion slot 224d, and a fifth insertion tube 2412g is inserted into the fifth insertion slot 224 e;

the first insertion tube 2412f, the second insertion tube 2431a, the third insertion tube 2431b, the fourth insertion tube 2431c and the fifth insertion tube 2412g are all provided with a water seal 260, the water seal 260 comprises a water seal ejector pin 261 and an elastic structure, the elastic structure pushes the water seal ejector pin 261 to a first position for plugging the insertion tubes, and when the water seal ejector pin 261 is located at the first position, part of the water seal ejector pin 261 is located in the filter flask connector 210.

In some embodiments, as shown in fig. 11, the water seal further comprises a water seal tube 262;

the water-sealing thimble 261 comprises a guide rod part 261a, a thrust part 261b and a thimble part 261c, wherein the radial dimension of the thrust part 261b is larger than that of the guide rod part 261a and the thimble part 261 c;

one end of the water seal pipe 262 is provided with a guide hole 262a, the end face where the guide hole is located is a hollow structure, the elastic structure is located between the thrust portion 261b and the end face where the guide hole 262a is located, the water seal ejector pin 261 is connected with the water seal pipe 262 in a sliding mode through the guide rod portion 261a, the size of an opening 262b at the other end of the water seal pipe 262 is smaller than the radial size of the thrust portion 261b, and when the water seal ejector pin 261 is located at the first position, the thrust portion 261b is located at the opening 262b of the water seal pipe 262 and blocks the opening.

When in actual use, tap water enters from a tap water pipe connector communicated with the first connector and connected with a tap water pipe, enters the filter flask through the first through hole and the first connector, then enters the first insertion pipe, enters a gap formed between the first end cover and the outer flask through an opening at the bottom of the side wall of the first insertion pipe and supported by the protrusion, then enters the first cavity through a plurality of grooves on the first side edge, then the tap water enters the second cavity through the primary filtration of the first filter layer to form primary water, the primary water in the second cavity flows out from the pump water inlet pipe connector through the fifth connector and the fifth through hole through an opening at the bottom of the fifth insertion pipe, the primary water is pressurized by the external booster pump and then is sent into the filter flask through the pump primary water pipe connector and the second through hole and the second connector, and the risk of damage of the booster pump can be reduced because the primary water is purified by the first filter layer to remove impurities, and then the primary water entering the filter flask flows through the second insertion tube and the guide groove on the second end cover to enter the third cavity, then the primary water is filtered by the RO (reverse osmosis) membrane of the second filter layer to enable pure water to enter the fifth cavity and flow out to the pure water faucet through the third insertion tube, the third interface, the third through hole and the pure water pipe interface, and wastewater obtained by filtering through the RO membrane enters the fourth cavity and flows out to the concentrated water faucet or the wastewater faucet through the fourth insertion tube, the fourth interface, the fourth through hole and the wastewater or concentrated water pipe interface.

In summary, compared with the prior art, the intelligent single-stage composite RO filter element filter flask with the press water seal provided by the utility model has two parts, namely a filter flask cover and a filter flask, on one hand, the first interface disc is rotatably connected with the cover body through the structure of the first interface disc arranged in the filter flask cover, the first interface disc is provided with a plurality of through holes, and the through holes on the first interface disc and the open holes on the cover body connected with the pipe interfaces are correspondingly arranged, so that the opening and closing functions of the filter flask are increased through slight volume changes, and the filter flask has a relatively small volume. On the other hand, a cavity is formed between the filter layer sleeved in the filter bottle and the internal structure of the filter bottle, the cavity is correspondingly communicated with the water inlet and outlet pipe connector on the filter bottle cover through the filter bottle connector, and integration of multiple filtering functions can be realized under small-amplitude change of the diameter of the filter bottle.

In addition, it will be appreciated by those skilled in the art that, although there may be many problems with the prior art, each embodiment or aspect of the present invention may be improved only in one or several respects, without necessarily simultaneously solving all the technical problems listed in the prior art or in the background. It will be understood by those skilled in the art that nothing in a claim should be taken as a limitation on that claim.

Although terms such as filter cap, filter flask, first interface disk, second interface disk, tube interface, filter flask interface, and via are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention; the terms "first," "second," and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a filter flask of compound integrated RO filter core of intelligence single-stage with pressfitting water seal which characterized in that: comprises that

The filter bottle cap comprises a first interface disc and a cover body, the upper surface of the first interface disc and the bottom surface of the cover body are arranged oppositely, the first interface disc is rotationally connected with the cover body, a plurality of through holes are formed in the first interface disc, a plurality of pipe interfaces are arranged on the cover body, the pipe interfaces are respectively communicated with a plurality of open holes in the bottom of the cover body through pipelines, and the number and the positions of the through holes and the open holes are correspondingly arranged;

the filter bottle is detachably connected with the filter bottle cover, a plurality of filter bottle interfaces are arranged at the top of the filter bottle, and the filter bottle interfaces are arranged corresponding to the number and positions of the via holes;

the filter flask is characterized in that a water seal is further arranged in the filter flask and comprises a water seal ejector pin and an elastic structure, the elastic structure enables the water seal ejector pin to be jacked to the first position of the filter flask interface in a plugging mode, and when the water seal ejector pin is located at the first position, the water seal ejector pin is partially located in the filter flask interface.

2. The filter flask with the intelligent single-stage composite integrated RO filter element with the press-fit water seal of claim 1, wherein: the water seal also comprises a water seal pipe;

the water seal ejector pin comprises a guide rod part, a thrust part and an ejector pin part, and the radial size of the thrust part is larger than that of the guide rod part and the ejector pin part;

one end of the water seal pipe is provided with a guide hole, the end face where the guide hole is located is a hollow structure, the elastic structure is located between the thrust portion and the end face where the guide hole is located, the water seal ejector pin passes through the guide rod portion and the water seal pipe are in sliding connection, the opening size of the other end of the water seal pipe is smaller than the radial size of the thrust portion, and when the water seal ejector pin is located at the first position, the thrust portion is located at the opening of the water seal pipe and blocks the opening.

3. The filter flask with the intelligent single-stage composite integrated RO filter element with the press-fit water seal of claim 2, wherein: the filter bottle interfaces comprise a first interface, a second interface, a third interface, a fourth interface and a fifth interface which are arranged in parallel;

the plurality of via holes comprise a first via hole, a second via hole, a third via hole, a fourth via hole and a fifth via hole which respectively correspond to the first interface, the second interface, the third interface, the fourth interface and the fifth interface, and the third via hole is arranged in the center of the first interface disc;

the bottom of the first interface disc is provided with a plurality of interface pins, the number and the positions of the interface pins correspond to the via holes, the via holes penetrate through the first interface disc and the interface pins, the via holes are internally provided with a resisting part and a connecting part, and the resisting part is connected with the side wall of the via holes through the connecting part.

4. The filter flask with the intelligent single-stage composite RO filter element with the press-fit water seal of claim 3, characterized in that: the cover body comprises a first cover body and a second cover body, the first cover body and the second cover body are detachably and fixedly connected, the pipe joint is arranged on the first cover body, the second cover body is of an annular structure arranged at the lower end of the first cover body, at least two first clamping portions are circumferentially and uniformly distributed on the inner side of the second cover body, and the first clamping portions are provided with a first inclined plane, a horizontal plane and a second inclined plane which are connected.

5. The filter flask with the intelligent single-stage composite integrated RO filter element with the press-fit water seal of claim 4, wherein: the first cover body further comprises a second interface disc, the second interface disc is circumferentially and fixedly connected with the first cover body, bosses are arranged on the upper surface of the second interface disc, the number and the positions of the bosses correspond to those of the through holes, stepped holes are formed in the bosses, and the pipe interfaces are communicated with the stepped holes through the pipelines of which the tail ends are inserted into the stepped holes;

a connecting boss is arranged in the center of the bottom surface of the second interface disc, a connecting counter bore is arranged in the center of the upper surface of the first interface disc, and the second interface disc and the first interface disc are rotatably connected through the connecting boss inserted into the connecting counter bore;

the bottom surface of the second interface disc is in clearance fit with the upper surface of the first interface disc.

6. The filter flask with the intelligent single-stage composite integrated RO filter element with the press-fit water seal of claim 5, wherein: the stepped hole in the center of the second interface disc is a third stepped hole, a one-way valve is arranged at the third stepped hole, and the conduction direction of the one-way valve is the direction from the filter bottle to the filter bottle cap.

7. The filter flask with the intelligent single-stage composite integrated RO filter element with the press-fit water seal of claim 6, wherein: the filter bottle comprises an outer bottle, the outer bottle comprises an end head, a bottle body and an end cover, the end head is arranged at one end of the bottle body, the diameter of the end head is relatively smaller than that of the bottle body, at least two second clamping parts which are uniformly distributed in the circumferential direction are arranged on the side wall of the end head, and the second clamping parts are provided with a second horizontal plane and a third inclined plane which are connected;

the top of the end head is provided with the first interface, the second interface, the third interface, the fourth interface and the fifth interface which are arranged in quantity and position corresponding to the interface pins, the interior of the end head is provided with a first slot, a second slot, a third slot, a fourth slot and a fifth slot corresponding to each filter bottle interface, the first slot is communicated with the first interface, the second slot is communicated with the second interface, the third slot is communicated with the third interface, the fourth slot is communicated with the fourth interface, and the fifth slot is communicated with the fifth interface;

the end cover is detachably connected with the other end of the bottle body, and a cavity is formed in the end cover, the bottle body and the end head.

8. The filter flask with the intelligent single-stage composite RO filter element with the press-fit water seal of claim 7, characterized in that: the filter bottle also comprises a first filter layer and an inner bottle, the inner bottle comprises a first end cover and an inner bottle cylinder body, the first end cover comprises a first lateral edge and a first end face, the diameter of the first lateral edge is matched with the inner diameter of the bottle body of the outer bottle, and the first lateral edge is provided with a plurality of grooves connected with the upper side edge and the lower side edge of the first lateral edge;

the upper surface of the first end surface is provided with a plurality of bulges, the lower surface of the first end surface is provided with a connecting flange, the first end surface is detachably connected with the inner bottle cylinder body through the connecting flange, the first filter layer is sleeved outside the inner bottle cylinder body, a first cavity is arranged between the first filter layer and the outer bottle, and a second cavity is arranged between the first filter layer and the inner bottle;

the upper surface of the first end surface is also provided with a second through hole, a third through hole and a fourth through hole, and the second through hole, the third through hole and the fourth through hole are positioned in the circular projection of the inner bottle cylinder in a top view;

the upper surface of the first end face is further provided with a first insertion pipe and a fifth insertion pipe, an opening is formed in the bottom of the side wall of the first insertion pipe, a communicating portion is formed in the bottom of the side wall of the fifth insertion pipe, and the communicating portion is communicated with the interior of the fifth insertion pipe and the second cavity.

9. The filter flask with the intelligent single-stage composite integrated RO filter element with the press-fit water seal of claim 8, wherein: the inner bottle also comprises a second end cover and a second filter layer, the second end cover is positioned in the inner bottle cylinder body, the second end cover comprises a second end face and a second lateral edge, and the outer diameter of the second lateral edge is smaller than the inner diameter of the inner bottle cylinder body;

a second inserting pipe, a third inserting pipe and a fourth inserting pipe are arranged on the upper surface of the second end face, and the second end cover is connected with the first end cover through the second inserting pipe penetrating through the second through hole, the third inserting pipe penetrating through the third through hole and the fourth inserting pipe penetrating through the fourth through hole;

the bottoms of the third inserting pipe and the fourth inserting pipe are communicated with the inside of the second end cover through holes, the second end face is also provided with a guide groove, the guide groove is connected with the edge of the second end face and the bottom of the second inserting pipe, and the guide groove is communicated with the bottom of the second inserting pipe;

the second filter layer is of a cylindrical structure, the second filter layer penetrates through the second end cover and the inner bottle barrel body, a third cavity is formed between the outer wall of the second filter layer and the inner bottle barrel body, a fourth cavity is formed between one end face, close to the second end cover, of the second filter layer and the second end cover, the fourth cavity is communicated with the fourth insertion tube, and the inside of the second filter layer is communicated with the third insertion tube and is separated from the fourth cavity.

10. The filter flask with the intelligent single-stage composite integrated RO filter element with the press-fit water seal of claim 9, wherein: the first insertion tube is inserted into the first insertion groove, the second insertion tube is inserted into the second insertion groove, the third insertion tube is inserted into the third insertion groove, the fourth insertion tube is inserted into the fourth insertion groove, and the fifth insertion tube is inserted into the fifth insertion groove;

the first insertion pipe, the second insertion pipe, the third insertion pipe, the fourth insertion pipe and the fifth insertion pipe are all provided with the water seals.

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