CN218901097U - Filter equipment and intelligent closestool - Google Patents

Abstract

The utility model discloses a filtering device and an intelligent closestool, wherein the filtering device comprises a filter element and a multi-way valve, and the filter element is provided with a filter cavity; the multi-way valve is provided with a plurality of pipeline external interfaces and is used for switching the pipeline external interfaces to be communicated with the filter cavity; the filter element is connected with the multi-way valve through the buckling piece in a buckling way. According to the technical scheme, the multi-way valve and the filter element are connected in a matched mode through the clamping piece and the clamping hole, assembly can be achieved without other external tools, assembly and disassembly efficiency is improved, and the filter element is convenient to replace.

Description

Filter equipment and intelligent closestool

Technical Field

The utility model relates to the technical field of intelligent bathrooms, in particular to a filtering device and an intelligent closestool.

Background

At present, the intelligent closestool generally has a spray washing function, and can be used for washing buttocks after the user urinates. Therefore, the intelligent toilet cover of the intelligent toilet is integrated with the water supply and heating device so as to provide warm water for spray washing for the spray washing device. If the water supply and heating device is directly connected with tap water, the tap water contains certain impurities, so that a user cannot use the spray washing function of the intelligent closestool safely, and water containing impurities directly enters the water supply and heating device and is easy to cause waterway blockage, bacteria growth and the like over time. Along with the living standard improves, people attach more and more importance to quality of water, for this, some integrated filter equipment on intelligent closestool, with this filter equipment setting in the inside water route's of intelligent closestool upper reaches to filter into water, thereby reach quality of water clean, user's use is relieved, avoids the water route to take place effects such as jam, growth bacterium.

In the related art, the common filter screen is difficult to effectively filter fine particles (red worms, rust and the like) in water, more and more intelligent toilets are distributed with a PP cotton filter device, the filter precision reaches a micron level, and the fine particles in tap water can be effectively intercepted. The filtering device with the PP cotton has high filtering precision, so that fine particles in tap water can be effectively filtered, but the filtering device is easy to block, and a user needs to replace the filtering device regularly. However, most of the current filtering devices adopt threaded interfaces, the disassembly and assembly of the filtering devices can be completed by means of tools such as a wrench, users need to connect with after-sales master to install the filtering devices, and the users pay additional installation fees, so that the disassembly and assembly are very inconvenient.

Disclosure of Invention

The utility model mainly aims to provide a filtering device and an intelligent closestool, and aims to solve the problem that the filtering device is inconvenient to disassemble and assemble.

In order to achieve the above object, the present utility model provides a filtering device for a smart toilet, the filtering device comprising:

a filter element having a filter cavity; and

the multi-way valve is provided with a plurality of pipeline external connectors and is used for switching the pipeline external connectors to be communicated with the filter cavity;

the filter element is connected with the multi-way valve through the buckling piece in a buckling way.

In one embodiment, the filter cartridge includes a filter cartridge assembly and a core assembly mounted within the filter cartridge assembly;

the filter cavity comprises a water inlet channel and a water outlet channel, the water inlet channel is defined between the filter cartridge assembly and the inner core assembly, the water outlet channel is defined inside the inner core assembly, and the water inlet channel and the water outlet channel are respectively communicated with the corresponding pipeline external interfaces.

In one embodiment, the plurality of the external connection interfaces of the pipeline comprise a water inlet interface for connecting tap water, a toilet water supply interface for supplying water to a toilet and a toilet cover water supply interface for supplying water to the toilet cover;

the water inlet interface, the toilet water supply interface and the water inlet channel are communicated with each other;

the toilet cover water supply interface is communicated with the water outlet channel.

In an embodiment, the multi-way valve comprises an outer annular wall and an inner annular wall which is annularly arranged in the outer annular wall, the filter cartridge assembly comprises a filter cartridge and an end cover which is arranged on the filter cartridge, and the inner core assembly comprises an annular filter screen, and a first cover body and a second cover body which are respectively sleeved at two axial ends of the filter screen;

the end cover is inserted between the outer annular wall and the inner annular wall, a water inlet gap with two ends communicated with the water inlet channel and the water inlet interface is defined between the inner peripheral wall of the end cover and the outer peripheral wall of the inner annular wall, the first cover body is inserted into the cavity of the inner annular wall, and the filter screen and the inner part of the first cover body are communicated to form the water outlet channel.

In an embodiment, a first sealing ring is arranged between the outer peripheral wall of the first cover body and the inner peripheral wall of the inner annular wall in a sealing manner;

and/or a second sealing ring is arranged between the outer peripheral wall of the end cover and the inner peripheral wall of the outer annular wall in a sealing way.

In an embodiment, the fastening pieces are disposed on two opposite sides of the end cover, and the fastening holes are disposed at positions of the multi-way valve corresponding to the two fastening pieces.

In an embodiment, the outer annular wall comprises a first annular wall and a second annular wall connecting the first annular wall and protruding toward the inner annular wall;

the inner side wall of the first annular wall is convexly provided with a limiting convex part, and the buckling hole is defined between the limiting convex part and the second annular wall.

In an embodiment, the limiting protrusion portion is connected to the second annular wall to form an abutting portion, a rotary insertion opening is formed in a side, away from the abutting portion, of the buckling hole, and the buckling piece can be rotatably inserted into the buckling hole from the rotary insertion opening and is blocked by the abutting portion.

In an embodiment, the limiting protrusion includes a first protrusion and a second protrusion, the fastening hole includes a first fastening hole and a second fastening hole, the first protrusion and the second annular wall define therebetween the first fastening hole, the second protrusion and the second annular wall define therebetween the second fastening hole, the second protrusion portion is connected to the second annular wall to form the abutting portion, and a side of the first fastening hole away from the abutting portion has the rotary insertion opening.

In one embodiment, the filter cartridge is made of transparent or semitransparent material.

In an embodiment, the filter cartridge is made of PP material.

In one embodiment, an antibacterial ball or a scale inhibitor is arranged in the water outlet channel.

The utility model also provides an intelligent closestool, which comprises a closestool body and a filter device arranged on the closestool body, wherein the filter device comprises:

a filter element having a filter cavity; and

the multi-way valve is provided with a plurality of pipeline external connectors and is used for switching the pipeline external connectors to be communicated with the filter cavity;

the filter element is connected with the multi-way valve through the buckling piece in a buckling way.

The technical scheme of the utility model is that the filtering device comprises a filter element and a multi-way valve, wherein the filter element is provided with a filtering cavity; the multi-way valve is provided with a plurality of pipeline external interfaces and is used for switching the pipeline external interfaces to be communicated with the filter cavity; the filter element is connected with the multi-way valve through the buckling piece in a buckling way. So set up, in the installation, use the instrument to connect a plurality of pipeline external connection mouthfuls of multiport valve and outside pipeline earlier, correspond the interface of multiport valve with the interface of filter core, through buckle between buckle spare and the lock joint hole buckle be connected with both assembly completion can. Later-stage user can change filter element of filter equipment by oneself, breaks away from the buckle spare of filter element and pulls out the lock joint hole of multiport valve then can, does not need to use any instrument at all. The multi-way valve and the filter element are connected in a matched mode by the clamping piece and the clamping hole, assembly can be realized without other external tools, assembly and disassembly efficiency is improved, and the filter element is convenient to replace.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a filtering apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a multi-way valve according to an embodiment of the filtering apparatus of the present utility model;

FIG. 3 is a schematic view of a multi-way valve according to another embodiment of the present utility model;

FIG. 4 is a schematic view of a filter element according to an embodiment of the present utility model;

FIG. 5 is an exploded view of one embodiment of the filter device of the present utility model;

FIG. 6 is a side view of an embodiment of a filter device of the present utility model;

FIG. 7 isbase:Sub>A cross-sectional view A-A of FIG. 6;

FIG. 8 is a schematic view of the internal structure of a multi-way valve according to an embodiment of the filter device of the present utility model;

FIG. 9 is a schematic view of the internal structure of a multi-way valve of an embodiment of the filter device of the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

At present, the intelligent closestool generally has a spray washing function, and can be used for washing buttocks after the user urinates. Therefore, the intelligent toilet cover of the intelligent toilet is integrated with the water supply and heating device so as to provide warm water for spray washing for the spray washing device. If the water supply and heating device is directly connected with tap water, the tap water contains certain impurities, so that a user cannot use the spray washing function of the intelligent closestool safely, and water containing impurities directly enters the water supply and heating device and is easy to cause waterway blockage, bacteria growth and the like over time. Along with the living standard improves, people attach more and more importance to quality of water, for this, some integrated filter equipment on intelligent closestool, with this filter equipment setting in the inside water route's of intelligent closestool upper reaches to filter into water, thereby reach quality of water clean, user's use is relieved, avoids the water route to take place effects such as jam, growth bacterium.

In the related art, the common filter screen is difficult to effectively filter fine particles (red worms, rust and the like) in water, more and more intelligent toilets are distributed with a PP cotton filter device, the filter precision reaches a micron level, and the fine particles in tap water can be effectively intercepted. The filtering device with the PP cotton has high filtering precision, so that fine particles in tap water can be effectively filtered, but the filtering device is easy to block, and a user needs to replace the filtering device regularly. However, most of the current filtering devices adopt threaded interfaces, the disassembly and assembly of the filtering devices can be completed by means of tools such as a wrench, users need to connect with after-sales master to install the filtering devices, and the users pay additional installation fees, so that the disassembly and assembly are very inconvenient.

Referring to fig. 1 to 9, the present utility model provides a filtering device for an intelligent toilet.

The filter device comprises a filter element 100 and a multi-way valve 200, wherein the filter element 100 is provided with a filter cavity; the multi-way valve 200 has a plurality of external interfaces of the pipeline, and the multi-way valve 200 is used for switching the external interfaces of the pipeline to be communicated with the filter cavity; one of the filter element 100 and the multi-way valve 200 is provided with a fastening member 210, the other is provided with a fastening hole 110, and the filter element 100 is fastened and connected with the fastening hole 110 through the fastening member 210 so as to be connected with the multi-way valve 200.

Specifically, the filter device comprises a multi-way valve 200 and a filter cartridge 100, and is applied to intelligent toilets and intelligent toilet bowl cover products. The filter element 100 is used for filtering fine particulate impurities in tap water, and the inside of the filter element can be provided with a PP cotton filter screen 143 for filtering tap water. The multi-way valve 200 may be a variety of valve bodies, such as a two-way valve, a three-way valve, a four-way valve, etc., and the multi-way valve 200 is used to split different fluid paths so that filtered and purified water can be split into different flow paths. The fastening element 210 may be disposed on the filter element 100 or the multi-way valve 200, and the fastening hole 110 is disposed on the other. Preferably, the filter element 100 is provided with a fastener 210, and the multi-way valve 200 is provided with a fastening hole 110. The form of inserting the fastening member 210 into the fastening hole 110 may be various, or the fastening member 210 may be a turnbuckle, and the fastening is completed by rotating and inserting the fastening member 210 into the fastening hole 110, so that the assembly of the multi-way valve 200 and the filter element 100 is completed; or directly press the filter element 100 directly against the interface of the multi-way valve 200 in the axial direction, so that the fastening piece 210 and the fastening hole 110 are fastened and fixed. In the installation process of the filtering device of this embodiment, a tool is used to connect the external interfaces of the multiple pipelines of the multiple-way valve 200 with external pipelines, and the interfaces of the filter element 100 correspond to the interfaces of the multiple-way valve 200, and the two interfaces are assembled by the snap connection between the snap fastener 210 and the snap fastener hole 110. Later-stage user can change filter element 100 of filter equipment by oneself, and the buckle piece 210 of filter element 100 breaks away from the lock joint hole 110 of multiport valve 200 and then pulls out, does not need to use any instrument at all. By means of the arrangement, the multi-way valve 200 and the filter element 100 are connected in a matched mode through the clamping piece 210 and the clamping hole 110, assembly can be achieved without other external tools, assembly and disassembly efficiency is improved, and the filter element 100 is convenient to replace.

Referring to fig. 5-7, in one embodiment, the filter cartridge 100 includes a cartridge assembly and a core assembly 140 mounted within the cartridge assembly; the filter cavity comprises a water inlet channel 500 and a water outlet channel 400, the water inlet channel 500 is defined between the filter cartridge assembly and the inner core assembly 140, the water outlet channel 400 is defined inside the inner core assembly 140, and the water inlet channel 500 and the water outlet channel 400 are respectively communicated with corresponding external interfaces of the pipelines. It will be appreciated that the core assembly 140 may filter tap water while intercepting rust particles and solid particulate impurities and also removing harmful bacteria from the interior portion of tap water. Tap water in the water inlet channel 500 enters the water outlet channel 400 in the inner core assembly 140 through the inner core assembly 140, and solid particle impurities, bacteria and other harmful substances are blocked on the outer side wall of the inner core assembly 140, so that water in the water outlet channel 400 is purified water, and the water inlet channel is safe and sanitary to use.

Referring to fig. 1 to 5, in one embodiment, the plurality of the pipe external connection ports includes a water inlet port 220 for supplying tap water, a toilet water supply port 230 for supplying water to a toilet, and a toilet lid water supply port 240 for supplying water to a toilet lid; the water inlet interface 220, the toilet water supply interface 230 and the water inlet channel 500 are communicated with each other; the toilet cover water supply port 240 communicates with the water outlet passage 400. It will be appreciated that the water inlet port 220 of the multi-way valve 200 functions to provide tap water to the cartridge 100, the toilet water supply port 230 supplies water to the toilet for flushing the toilet, and the toilet lid water supply port 240 supplies water to the toilet lid for cleaning the human body. Firstly, the water inlet 220 of the multi-way valve 200 can be connected with a municipal tap water pipe, then the water supply 230 of the toilet is connected with the water pipe of the toilet, and the water supply 240 of the toilet cover is connected with the water pipe of the toilet cover, so that the installation can be completed. The water path of the filtering device flows as shown below, the municipal tap water firstly passes through the water inlet port 220 and then enters the water inlet channel 500 defined between the filtering cartridge assembly and the inner core assembly 140, the tap water is introduced into the internal cavity of the filtering cartridge assembly, and the rust particles and the solid particle impurities are intercepted on the outer side wall of the inner core assembly 140 by the filtering device in the inner core assembly 140, at this time, the purified water without the rust particles and the solid particle impurities in the inner core assembly 140 enters the water outlet channel 400 in the inner core assembly 140 and flows upwards to the toilet lid water supply port 240 of the multi-way valve 200, and finally the purified water is discharged into the water pipe of the toilet lid through the toilet lid water supply port 240 to clean the human body. When the purified water reaches the toilet lid water supply interface 240, the purified treatment is obtained to the greatest extent, and as rust particles and solid particle impurities are not contained, bacterial beds are provided for bacteria, and the bacteria can not be greatly bred in the water, so that people can use the toilet lid water supply interface more safely, and skin infection is avoided.

Referring to fig. 5 to 9, in an embodiment, the multi-way valve 200 includes an outer annular wall 280 and an inner annular wall 270 disposed around the outer annular wall 280, the filter cartridge assembly includes a filter cartridge 130 and an end cap 120 mounted on the filter cartridge 130, and the inner core assembly 140 includes an annular filter screen 143, and a first cover 141 and a second cover 142 respectively sleeved on two axial ends of the filter screen 143; the end cover 120 is inserted between the outer annular wall 280 and the inner annular wall 270, a water inlet gap with two ends communicating the water inlet channel 500 and the water inlet port 220 is defined between the inner peripheral wall of the end cover 120 and the outer peripheral wall of the inner annular wall 270, the first cover 141 is inserted into the cavity of the inner annular wall 270, and the filter screen 143 and the first cover 141 are internally penetrated to form the water outlet channel 400. It is understood that the filter screen 143 may take various forms of filter screen 143, and preferably, the filter screen 143 adopts PP cotton filter screen 143. By adopting the PP cotton filter screen 143, fine particles in tap water can be effectively filtered due to high filtering precision. As shown below, the water path of the filtering device flows through the water inlet 220, then enters the water inlet 500 through the water inlet gap defined between the inner peripheral wall of the end cover 120 and the outer peripheral wall of the inner peripheral wall 270, passes through the inner cavity of the filter cartridge 130, intercepts the rust particles and solid particle impurities on the outer side wall of the PP cotton filter screen 143 by penetrating the inner core assembly 140 through the gap inside the PP cotton filter screen 143, and at this time, purified water without rust particles and solid particle impurities therein enters the water outlet 400 inside the PP cotton filter screen 143 and flows upward through the outlets of the first cover 141 and the inner peripheral wall 270 to the toilet lid water supply interface 240 of the multi-way valve 200, and finally the purified water is discharged into the water pipe of the toilet lid through the toilet lid water supply interface 240 to clean the human body.

Referring to fig. 4 to 7, in order to prevent the water leakage of the filtering device, in an embodiment, a first sealing ring 600 is provided between the outer peripheral wall of the first cover 141 and the inner peripheral wall of the inner annular wall 270 in a sealing manner; and/or, a second sealing ring 700 is arranged between the outer peripheral wall of the end cover 120 and the inner peripheral wall of the outer annular wall 280 in a sealing way. It can be appreciated that the first sealing ring 600 is used for sealing the gap between the first cover 141 and the inner circumferential wall 270, and preventing the purified water from leaking out of the gap between the first cover 141 and the inner circumferential wall 270 when the purified water flows out of the water outlet channel 400; the second seal ring 700 is used for sealing a gap between the end cover 120 and the outer annular wall 280, and is used for preventing water leakage phenomenon caused by running out of the gap between the end cover 120 and the outer annular wall 280 when running water enters. It should be noted that, the sealing of the water leakage preventing position between the conventional multi-way valve 200 and the filter cartridge 100 adopts an end face seal, and a sufficient pressing force is required to prevent water leakage. In the filtering device of the present utility model, the first sealing ring 600 and the second sealing ring 700 are radially compressed and sealed, so that the sealing effect between the multi-way valve 200 and the filter element 100 can be ensured without applying enough compression force externally, and the waterproof effect can be effectively performed. Further, a first annular groove is provided on the outer peripheral wall of the first cover 141, and the second seal ring 700 is sleeved in the first annular groove; and/or, a second annular groove is provided on the outer peripheral wall of the end cover 120, and the first sealing ring 600 is sleeved in the second annular groove. Of course, in other embodiments, the inner annular wall 270 may be provided with a first annular groove for mounting the first seal ring 600; and/or, a second annular groove for installing the second seal ring 700 is provided on the outer annular wall 280. The positions of the first annular groove and the second annular groove can be selected according to the actual structure, and the first sealing ring 600 can be tightly pressed and sealed through the first annular groove or the second sealing ring 700 can be tightly pressed and sealed through the second annular groove.

Referring to fig. 1 to 5 and fig. 8 to 9, a clip 210 may be disposed on the filter element 100, and a fastening hole 110 may be disposed on the multi-way valve 200; the filter element 100 may be provided with a fastening hole 110, and the multi-way valve 200 may be provided with a fastening element 210; the filter element 100 is only required to be connected with the multi-way valve 200 through the buckling connection of the buckling piece 210 and the buckling hole 110. In an embodiment, the fastening members 210 are disposed on opposite sides of the end cover 120, and the fastening holes 110 are disposed at positions of the multi-way valve 200 corresponding to the two fastening members 210. Of course, in other embodiments, the number of the fastening members 210 is not limited to two, and is specifically determined according to the circumferential wall arrangement space of the upper end cap 120 of the filter element 100. The number of the fastening holes 110 is the same as the number of the fastening members 210.

Referring to fig. 8 to 9, in one embodiment, the outer annular wall 280 includes a first annular wall 250 and a second annular wall 260 connected to the first annular wall 250 and protruding toward the inner annular wall 270; the inner side wall of the first annular wall 250 is provided with a limiting protrusion 300, and the fastening hole 110 is defined between the limiting protrusion 300 and the second annular wall 260. When the assembly of the multi-way valve 200 and the filter element 100 is completed, the fastener 210 on the filter element 100 is inserted into the fastening hole 110 and is limited between the limiting convex part 300 and the second annular wall 260, so that the assembly of the multi-way valve 200 and the filter element 100 is stable and convenient.

With continued reference to fig. 8 to 9, in an embodiment, the limiting protrusion 300 is partially connected to the second annular wall 260 to form an abutting portion 321, a rotation insertion opening 322 is formed on a side of the fastening hole 110 away from the abutting portion 321, and the fastening member 210 can be rotatably inserted into the fastening hole 110 from the rotation insertion opening 322 and is blocked by the abutting portion 321. It can be understood that, in the process of installing the multi-way valve 200 and the filter cartridge 100, the water inlet 220, the toilet lid water supply 240 and the toilet water supply 230 of the multi-way valve 200 are connected with the external pipeline, the connectors of the end cover 120 and the first cover 141 in the filter cartridge 100 are aligned with the corresponding installation grooves formed by the first annular wall 250, the second annular wall 260 and the inner annular wall 270 in the multi-way valve 200 in a one-to-one correspondence manner, then the filter cartridge 100 is pressed and rotated, the fastener 210 on the filter cartridge 100 continues to rotate after being inserted from the rotary insertion opening 322 of the fastening hole 110 on the multi-way valve 200 until being blocked by the blocking part 321, so that the fastener 210 is completely inserted into the fastening hole 110 to complete the complete cooperation and limit, and at this time, the installation between the multi-way valve 200 and the filter cartridge 100 is completed, because the fastener 210 and the fastening hole 110 are rotationally assembled in place, the first sealing ring 600 completes the radial sealing of the gap between the outer peripheral wall of the first cover 141 and the inner peripheral wall 270 without external pressing force, and the radial sealing of the gap between the outer peripheral wall 280 and the inner peripheral wall of the second sealing ring 700. Later stage user can change filter equipment's filter core 100 by oneself, and the old filter core 100 in the rotatory filter equipment of orientation reverse direction makes buckle spare 210 break away from lock joint hole 110 then pull out old filter core 100 can, simultaneously with new filter core 100 aim at the interface rotation of multiport valve 200 again and insert lock joint hole 110 through buckle spare 210 and accomplish the cooperation spacing, through the form of rotatory buckle, does not need with the help of the instrument at all, easy operation is convenient, improves dismouting efficiency.

With continued reference to fig. 8 to 9, in an embodiment, the limiting protrusion 300 includes a first protrusion 310 and a second protrusion 320, the fastening hole 110 includes a first fastening hole 111 and a second fastening hole 112, the first fastening hole 111 is defined between the first protrusion 310 and the second annular wall 260, the second fastening hole 112 is defined between the second protrusion 320 and the second annular wall 260, the second protrusion 320 is partially connected to the second annular wall 260 to form the abutting portion 321, and a side of the first fastening hole 111 away from the abutting portion 321 has the rotation insertion opening 322. It can be appreciated that, during the installation process, the filter element 100 is aligned with the interface of the multi-way valve 200, the fastener 210 enters the first fastening hole 111 from the rotary insertion hole 322, and continues to rotate the filter element 100 so that the fastener 210 faces the abutting portion 321, and then the fastener 210 enters the second fastening hole 112 until being blocked by the abutting portion 321, so that the assembly can be completed. When the old filter element 100 needs to be removed, the filter element 100 is taken out from the filter element 100 towards the axial direction after the fastener 210 sequentially extends out of the second fastening hole 112, the first fastening hole 111 and the rotary insertion hole 322.

Referring to fig. 4 and 7, in order to facilitate the user to replace the filter cartridge 100 in time, in one embodiment, the filter cartridge 130 is made of a transparent material or a translucent material. It should be noted that, when the filter device filters dirt to a certain extent, the filter cartridge 130 is made of transparent or semitransparent material, so that the color change of the inner PP cotton filter screen 143 can be directly seen, and the user can replace the filter screen 143 or the whole filter element 100 in time. Of course, in other embodiments, the filter cartridge 130 may be made of an opaque material.

Referring to fig. 4 and 7, in order to prevent the filter element 100 from being damaged, in one embodiment, the filter cartridge 130 is made of PP. It is understood that pure PP material has the property of not freezing crack at low temperatures. The filter cartridge 130 is made of PP raw materials, so that the filter cartridge 100 can not be frozen out in the use process in winter, the replacement frequency of the filter cartridge 100 is reduced, and the service life of the filter cartridge 100 is prolonged.

Referring to fig. 7, in order to ensure the quality of the purified water in the water outlet channel 400, a substance having a specific function of purifying water is placed in the inner cavity of the filter screen 143 of the filter element 100, and is slowly released to achieve the effect of further purifying water. In one embodiment, an antibacterial ball or scale inhibitor is disposed in the water outlet 400. Thus, the antibacterial effect of the waterway can be realized by placing the antibacterial ball, and the scale inhibition effect can be realized by placing the scale inhibitor. Of course, in other embodiments, other substances having specific water purifying functions may be prevented from being contained in the water outlet passage 400.

Referring to fig. 1 and 9, the present utility model further provides a smart toilet, which includes a toilet body and a filtering device, wherein the filtering device includes a filter element 100 and a multi-way valve 200, and the filter element 100 has a filtering cavity; the multi-way valve 200 has a plurality of external interfaces of the pipeline, and the multi-way valve 200 is used for switching the external interfaces of the pipeline to be communicated with the filter cavity; one of the filter element 100 and the multi-way valve 200 is provided with a fastening member 210, the other is provided with a fastening hole 110, and the filter element 100 is fastened and connected with the fastening hole 110 through the fastening member 210 so as to be connected with the multi-way valve 200. The specific structure of the filtering device refers to the above embodiments, and because the intelligent toilet adopts all the technical schemes of all the embodiments, the intelligent toilet has at least all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (13)

1. A filter device for a smart toilet, the filter device comprising:

a filter element having a filter cavity; and

the multi-way valve is provided with a plurality of pipeline external connectors and is used for switching the pipeline external connectors to be communicated with the filter cavity;

the filter element is connected with the multi-way valve through the buckling piece in a buckling way.

2. The filter apparatus of claim 1, wherein the filter cartridge comprises a cartridge assembly and a core assembly mounted within the cartridge assembly;

the filter cavity comprises a water inlet channel and a water outlet channel, the water inlet channel is defined between the filter cartridge assembly and the inner core assembly, the water outlet channel is defined inside the inner core assembly, and the water inlet channel and the water outlet channel are respectively communicated with the corresponding pipeline external interfaces.

3. The filter apparatus of claim 2, wherein the plurality of said externally-connected plumbing connections includes a water inlet connection for supplying tap water, a toilet water supply connection for supplying water to a toilet, and a toilet lid water supply connection for supplying water to a toilet lid;

the water inlet interface, the toilet water supply interface and the water inlet channel are communicated with each other;

the toilet cover water supply interface is communicated with the water outlet channel.

4. The filter device of claim 3, wherein the multi-way valve comprises an outer annular wall and an inner annular wall annularly arranged in the outer annular wall, the filter cartridge assembly comprises a filter cartridge and an end cover arranged on the filter cartridge, and the inner core assembly comprises an annular filter screen, and a first cover body and a second cover body which are respectively sleeved at two axial ends of the filter screen;

the end cover is inserted between the outer annular wall and the inner annular wall, a water inlet gap with two ends communicated with the water inlet channel and the water inlet interface is defined between the inner peripheral wall of the end cover and the outer peripheral wall of the inner annular wall, the first cover body is inserted into the cavity of the inner annular wall, and the filter screen and the inner part of the first cover body are communicated to form the water outlet channel.

5. The filter device according to claim 4, wherein a first seal ring is provided between an outer peripheral wall of the first cover body and an inner peripheral wall of the inner annular wall in a sealing manner;

and/or a second sealing ring is arranged between the outer peripheral wall of the end cover and the inner peripheral wall of the outer annular wall in a sealing way.

6. The filter device according to claim 4, wherein the fastening members are provided on opposite sides of the end cap, and the multi-way valve is provided with the fastening holes corresponding to the positions of the two fastening members.

7. The filter device of claim 6, wherein the outer annular wall comprises a first annular wall and a second annular wall connecting the first annular wall and protruding toward the inner annular wall;

the inner side wall of the first annular wall is convexly provided with a limiting convex part, and the buckling hole is defined between the limiting convex part and the second annular wall.

8. The filter device according to claim 7, wherein the limit projection portion is connected to the second annular wall to form an abutment portion, a side of the locking hole away from the abutment portion has a rotation insertion opening, and the locking member is rotatably inserted into the locking hole from the rotation insertion opening and is blocked by the abutment portion.

9. The filter apparatus of claim 8, wherein the limit projection includes a first tab and a second tab, the snap-fit hole includes a first snap-fit hole and a second snap-fit hole, the first tab and the second annular wall define therebetween the first snap-fit hole, the second tab and the second annular wall define therebetween the second snap-fit hole, the second tab portion is connected to the second annular wall forming the abutment, and a side of the first snap-fit hole remote from the abutment has the rotational insertion opening.

10. The filter apparatus of claim 4, wherein the filter cartridge is made of a transparent or translucent material.

11. The filter device of claim 4, wherein the filter cartridge is made of PP material.

12. The filter device according to claim 2, wherein an antibacterial ball or a scale inhibitor is provided in the water outlet passage.

13. A smart toilet comprising a filter device according to any one of claims 1 to 12 and a toilet body, said filter device being mounted to said toilet body.

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