CN214319385U - Tap purifier - Google Patents

Abstract

The utility model discloses a tap purifier, including the change-over valve, the change-over valve includes water inlet channel, raw water passageway and water purification passageway, still including the filter equipment who is equipped with filtration passageway, filter equipment and change-over valve set up side by side, filtration passageway and water purification passageway intercommunication, the change-over valve is including the case that is equipped with water inlet channel and the disk seat that is equipped with raw water passageway and water purification passageway, the case cover is established in the disk seat, the change-over valve still includes the drive assembly who links to each other with the case, transversely stir drive assembly, drive assembly rotates and drives the case and rotate for the disk seat, so that water inlet channel and raw water passageway or water purification passageway intercommunication. The utility model discloses a case and the disk seat relative rotation that cup joint mutually carry out the switching in water route, simple structure, easy production, rivers in the water purification passageway are filtered the back and are flowed by the purifier through filtering the subassembly, and rivers in the raw water passageway can directly flow by the purifier, and the drive assembly that transversely stirs improves user's use and experiences through turning to different direction indication water modes.

Description

Tap purifier

Technical Field

The utility model belongs to the purifier field, concretely relates to tap purifier.

Background

In recent years, tap water purifiers are popularized due to fire explosion in water purification markets, and especially primary filtration and microfiltration products such as the tap water purifiers are popular among consumers due to the advantages of simplicity in installation, low cost, visual perception of filtering effects and the like.

At present, tap purifier switches the conversion of water route in order to realize two kinds of play water modes of raw water and water purification through change-over valve, and tap purifier change-over valve inner structure on the market is complicated at present, and is with high costs, and the operating handle who just switches the water route rotates from top to bottom on change-over valve one side usually, can not demonstrate out the water mode directly perceived, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a faucet water purifier is provided to solve at least one of the above problems.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a tap purifier, including the change-over valve, the change-over valve includes water inlet channel, raw water passageway and water purification passageway, still including the filter equipment who is equipped with filtration passageway, filter equipment and change-over valve set up side by side, filtration passageway and water purification passageway intercommunication, the change-over valve is including the case that is equipped with water inlet channel and the disk seat that is equipped with raw water passageway and water purification passageway, the case cover is established in the disk seat, the change-over valve still includes the drive assembly who links to each other with the case, transversely stir drive assembly, drive assembly rotates and drives the case and rotate for the disk seat, so that water inlet channel and raw water passageway or water purification passageway intercommunication.

In the faucet water purifier, the filtering channel comprises a purified water inlet arranged on the filtering device, and the purified water inlet is communicated with the water outlet of the purified water channel through a water guide pipe.

In the faucet water purifier, the filtering device comprises a filtering shell, one side of the filtering shell is provided with an annular rib extending downwards and longitudinally, the annular rib surrounds a purified water inlet, one end of the water guide pipe is connected with the purified water inlet, the other end of the water guide pipe is connected with a water outlet of the purified water channel, and two ends of the water guide pipe are detachably connected with the annular rib and the change-over valve respectively.

In the above faucet purifier, the filtering device includes a filtering shell enclosing a filtering cavity and a filtering component arranged in the filtering cavity, the filtering channel includes the filtering cavity and a purified water inlet and a purified water outlet arranged on the filtering shell, and the purified water inlet and the purified water outlet are communicated through the filtering component.

In above-mentioned tap purifier, filter the shell including can dismantle the last filter shell and the lower filter shell of connection, go up the filter shell lid and close on the lower filter shell in order to form the filter chamber.

In above-mentioned leading purifier, go up to filter and be equipped with the time-recorder that instructs filter core installation time on the shell, the time-recorder includes the dial plate and rotates the knob of being connected with the dial plate, and the knob is through rotating different times in order to point to on the dial plate.

In above-mentioned leading purifier, go up to filter and be equipped with the instruction groove that holds dial plate and knob on the shell, the knob is the annular and encircles the dial plate setting, and the dial plate carries out axial spacing to the knob with the instruction groove jointly.

In the faucet water purifier, the driving assembly is provided with a main transmission gear, the valve core is provided with a slave transmission gear, and the main transmission gear is meshed with the slave transmission gear.

In above-mentioned leading purifier, drive assembly rotates with the disk seat to be connected, and drive assembly includes rotation portion, locates the pivot in the rotation portion and installs the operating handle in rotation portion one side, and operating handle drives the main drive tooth through rotation portion and rotates around the pivot.

In the faucet water purifier, the rotating shaft is mounted on the valve seat, the rotating part is provided with the limiting salient points which are abutted against the valve seat, the operating handle is pulled, and the rotating part rotates around the rotating shaft in the change-over valve through the limiting salient points.

The utility model has the advantages that:

the utility model provides a tap purifier, including the change-over valve, the change-over valve includes water inlet channel, raw water passageway and water purification passageway, still including the filter equipment who is equipped with filtration passageway, filter equipment and change-over valve set up side by side, filtration passageway and water purification passageway intercommunication, the change-over valve is including the case that is equipped with water inlet channel and the disk seat that is equipped with raw water passageway and water purification passageway, the case cover is established in the disk seat, the change-over valve still includes the drive assembly who links to each other with the case, transversely stir drive assembly, drive assembly rotates and drives the case and rotate for the disk seat, so that water inlet channel and raw water passageway or water purification passageway intercommunication. The technical scheme has the following technical effects:

the utility model switches the water path by the relative rotation of the valve core and the valve seat which are sleeved with each other, has simple structure and easy production, and can ensure that the driving component transversely rotates by transversely stirring the driving component when in use, so as to drive the valve core on the valve seat to horizontally rotate, and make the water inlet channel on the valve core align with the water purification channel or the raw water channel on the valve seat, so as to realize the communication between the water inlet channel and the water purification channel or the raw water channel, the water flow in the water purification channel is filtered by the filter component and then flows out from the water purifier, the water flow in the raw water channel can directly flow out from the water purifier, the water purifier is provided with two water outlet modes, the driving assembly which is transversely shifted indicates the water outlet modes by turning to different directions, a user can point to a water path which is more intuitively judged and communicated according to the different directions of the driving assembly so as to know the water outlet modes, the user can conveniently operate the change-over valve according to needs, and the use experience of the user is improved.

The filtering channel comprises a purified water inlet arranged on the filtering device, the purified water inlet is communicated with the water outlet of the purified water channel through a water guide pipe, the filtering device is communicated with the change-over valve through the water guide pipe, and the water purifying device is simple in structure and easy to install.

The filter device comprises a filter shell, wherein one side of the filter shell is provided with a downward longitudinally extending annular rib, the annular rib is enclosed into a purified water inlet, one end of the water guide pipe is connected with the purified water inlet, the other end of the water guide pipe is connected with a water outlet of a purified water channel, two ends of the water guide pipe are detachably connected with the annular rib and the change-over valve respectively, the water guide pipe can be conveniently mounted and dismounted, the water guide pipe can be independently replaced and maintained, and the maintenance cost is reduced.

The filter shell is including can dismantling the last filter shell and the lower filter shell of connection, goes up the filter shell lid and closes in order to form the filter chamber on the lower filter shell to the user regularly changes filter element group spare or washs the filter chamber.

Go up to be equipped with the time-recorder of instructing filter core installation time on filtering the shell, the time-recorder includes the dial plate and rotates the knob of being connected with the dial plate, and the knob is through rotating different times with on directional dial plate, and the change time of user's accessible time-recorder filter core, user refer to in order regularly to change the filter core through looking over the time on the time-recorder, and it is more convenient to use.

Go up to filter and be equipped with the instruction groove that holds dial plate and knob on the shell, the knob is the annular and encircles the dial plate setting, and the dial plate carries out the axial with the instruction groove jointly to the knob spacing, prevents that the knob from freely breaking away from the instruction groove.

The driving assembly is provided with main transmission teeth, the valve core is provided with slave transmission teeth, and the main transmission teeth are meshed with the slave transmission teeth to realize transmission, so that the transmission is more stable and reliable.

The rotating shaft is arranged on the valve seat, the rotating part is provided with a limit salient point which is abutted against the valve seat, the operating handle is pulled, and the rotating part rotates around the rotating shaft in the change-over valve through the limit salient point. The rotating portion offsets with the top of the mounting platform through the limiting convex points, the mounting platform supports the rotating portion in the axial direction through the limiting convex points, meanwhile, the limiting convex points reduce friction force between the rotating portion and the mounting platform when the rotating portion rotates, the rotating portion rotates more smoothly, and abrasion between the rotating portion and the mounting platform is reduced.

The features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

FIG. 1 is a perspective view of a faucet water purifier of the present invention;

FIG. 2 is a first perspective view of the housing;

FIG. 3 is a sectional view of a faucet water purifier of the present invention;

FIG. 4 is a partial exploded view of a faucet water purifier according to the present invention;

FIG. 5 is a second perspective view of the housing;

FIG. 6 is a perspective view of the upper filter shell;

FIG. 7 is a perspective view of the front cover;

FIG. 8 is a cross-sectional view of the valve seat;

FIG. 9 is a cross-sectional view of the changeover valve;

FIG. 10 is a perspective view of the valve cartridge;

FIG. 11 is a schematic view of an upper water deflector;

FIG. 12 is a schematic view of a lower water deflector;

FIG. 13 is a schematic view of the connection of the drive assembly to the valve cartridge;

FIG. 14 is a perspective view of a snap ring;

FIG. 15 is a perspective view of a stop;

FIG. 16 is a sectional view of the housing and the stop member in an assembled state;

FIG. 17 is a perspective view of the drive assembly;

fig. 18 is a perspective view of the operating handle.

Reference numerals:

100 outer shell, 110 water inlet, 120 outer cover, 130 adapter sealing ring and 140 aqueduct;

200, 210, 211, 2111, 2112, 2113, 212, 2121, 2122, 2124, 2125, 2126, 2127, 2128, 213, 220, 221, 222, 223, 224, 2241, 2242, 2243, and 2243;

300 bottom covers, 310 mounting holes, 320 raw water outlets, 330 annular mounting ribs, 331 foolproof bulges, 332 valve seat sealing grooves and 333 valve seat sealing rings;

400 timer, 410 dial, 411 dial limit edge, 420 knob, 421 knob limit rib, 422 positioning protrusion, 4221 bayonet;

500 filter components, 510 filter elements, 520 filter element seats, 521 water outlet holes, 522 filter element sealing grooves and 523 filter element sealing rings;

600 switching valve, 610 valve seat, 611 valve core mounting cavity, 6111 mounting bulge, 612 raw water channel, 613 purified water channel, 614 raw water inlet, 615 purified water inlet, 616 mounting platform, 617 first support edge, 618 second support edge, 619 limit groove, 620 valve core, 621 limit edge, 622 mounting part, 6221 water inlet channel, 6222 water guide opening, 6223 second sealing groove, 6224 second sealing ring, 6225 third sealing groove, 6226 third sealing ring, 623 flat key, 624 linkage bulge, 625 first sealing groove, 626 first sealing ring, 630 limiting part, 631 pressing bulge, 632 limit ring, 633 limit bulge, 634 limit platform, 6341 groove, 635 elastic reset piece and 636 positioning piece;

700 driving components, 710 rotating parts, 711 clamping grooves, 712 limit salient points, 713 top plates, 7131 first positioning grooves, 7132 second positioning grooves, 714 bottom plates, 715 side plates, 716 vertical plates, 720 rotating shafts, 730 operating handles and 731 clamping hooks;

800 drive components, 810 main drive teeth, 820 slave drive teeth, 821 snap rings, 8211 key grooves, 8212 support salient points and 822 meshing teeth;

900 switch subassembly, 910 go up water guide plate, 911 water passing hole, 912 interlock recess, 920 lower water guide plate, 921 water purification inlet hole, 922 raw water inlet hole, 923 spacing notch, 924 fourth seal groove, 925 fourth sealing washer.

Detailed Description

The utility model provides a tap purifier, including the change-over valve, the change-over valve includes water inlet channel, raw water passageway and water purification passageway, still including the filter equipment who is equipped with filtration passageway, filter equipment and change-over valve set up side by side, filtration passageway and water purification passageway intercommunication, the change-over valve is including the case that is equipped with water inlet channel and the disk seat that is equipped with raw water passageway and water purification passageway, the case cover is established in the disk seat, the change-over valve still includes the drive assembly who links to each other with the case, transversely stir drive assembly, drive assembly rotates and drives the case and rotate for the disk seat, so that water inlet channel and raw water passageway or water purification passageway intercommunication. The utility model switches the water path by the relative rotation of the valve core and the valve seat which are sleeved with each other, has simple structure and easy production, and can ensure that the driving component transversely rotates by transversely stirring the driving component when in use, so as to drive the valve core on the valve seat to horizontally rotate, and make the water inlet channel on the valve core align with the water purification channel or the raw water channel on the valve seat, so as to realize the communication between the water inlet channel and the water purification channel or the raw water channel, the water flow in the water purification channel is filtered by the filter component and then flows out from the water purifier, the water flow in the raw water channel can directly flow out from the water purifier, the water purifier is provided with two water outlet modes, the driving assembly which is transversely shifted indicates the water outlet modes by turning to different directions, a user can point to a water path which is more intuitively judged and communicated according to the different directions of the driving assembly so as to know the water outlet modes, the user can conveniently operate the change-over valve according to needs, and the use experience of the user is improved.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows:

a faucet water purifier comprises a switching valve 600 and a filtering device provided with a filtering channel, wherein the filtering device and the switching valve 600 are arranged side by side, the filtering device comprises a filtering shell 210 surrounding a filtering cavity 213 and a filtering assembly 500 arranged in the filtering cavity 213, a shell is arranged outside the switching valve 600, the shell outside the switching valve and the filtering shell 210 are connected to form a shell 100 of the faucet water purifier together, and the filtering assembly 500 and the switching valve 600 are arranged side by side in the shell 100. The shell 100 is provided with a water inlet 110, the switching valve 600 comprises a water inlet passage 6221, a raw water passage 612, a purified water passage 613 and a driving assembly 700, the water inlet passage 6221 of the switching valve 600 is communicated with the water inlet 110, and the driving assembly 700 controls the water inlet passage 6221 to be communicated with the raw water passage 612 or the purified water passage 613, so that water can flow out of the purified water passage 613 or the raw water passage 612 after entering the switching valve 600 through the water inlet passage 6221.

As shown in fig. 4, the housing 100 includes an upper casing 200 and a bottom cover 300 covering the bottom of the upper casing 200, the upper casing 200 forms a filter cavity 213 and a mounting cavity 221 which are separated from each other, the upper casing 200 includes a longitudinally extending filter housing 210 and a side casing 220 surrounding the outside of the filter housing 210, the filter cavity 213 is formed inside the filter housing 210, the mounting cavity 221 is formed between one side of the filter housing 210 and the inner wall of the side casing 220, such that the filter cavity 213 and the mounting cavity 221 are separated from each other by the filter housing 210, a filter assembly 500 is mounted in the filter cavity 213, and a switching valve 600 is mounted in the mounting cavity 221.

The filter chamber 213 for filtering water is separated from the installation chamber 221 for installing the switching valve 600 by the filter housing 210, so that filtered clean water is prevented from entering the installation chamber 221 to affect the operation of the switching valve 600, and substances in the installation chamber 221 are also prevented from entering the filter chamber 213 to pollute the filtered clean water in the filter chamber 213. Only need during the installation to install filtering component 500 and change-over valve 600 side by side in shell 100, can accomplish the installation, simplify the installation step, improve assembly efficiency, filtering component 500 and change-over valve 600 after the installation are all hidden in shell 100, do not have too much segment difference and colour difference, and the wholeness is strong, and the outward appearance is more pleasing to the eye.

The filter housing 210 in this embodiment includes an upper filter housing 211 and a lower filter housing 212, and the upper filter housing 211 is closed over the lower filter housing 212 to form a filter cavity 213. The upper filter shell 211 and the lower filter shell 212 are detachably connected, so that a user can replace the filter assembly 500 or clean the filter cavity 213 regularly, the filtering effect of the filter assembly 500 on water flow is ensured, and the upper filter shell 211 and the lower filter shell 212 are sealed through a sealing ring. The upper filter shell 211 and the lower filter shell 212 can be connected by a snap fit, a screw thread, or a fastener such as a screw, preferably, an upper screw 2111 protruding out of the inner wall is provided at the bottom of the inner wall of the upper filter shell 211, a lower screw 2121 protruding out of the outer wall is provided at the top of the outer wall of the lower filter shell 212, and the upper filter shell 211 and the lower filter shell 212 are rotatably fastened by the upper screw 2111 and the lower screw 2121, so as to ensure the stability of the connection of the upper filter shell 211 and the lower filter shell 212 in the axial direction of the filter shell 210.

In the present embodiment, the lower filter housing 212 is integrally provided with the side housing 220, and the lower portion of the lower filter housing 212 is provided inside the side housing 220. A clean water inlet 2122 communicated with the filter chamber 213 is provided on the sidewall of the lower filter shell 212, and a clean water outlet 2123 communicated with the filter chamber 213 is provided on the bottom wall of the lower filter shell 212. In this embodiment, the filtering passage includes the filtering chamber 213 and a purified water inlet 2122 and a purified water outlet 2123 communicated with the filtering chamber 213, and the purified water inlet 2122 and the purified water outlet 2123 are communicated through the filtering assembly 500. The water flowing out of the water purifying channel 613 of the switching valve 600 flows into the filter cavity 213 through the water purifying inlet 2122, is filtered by the filter assembly 500, and then flows out of the faucet water purifier through the water purifying outlet 2123, so as to realize the water flow filtration. The filter assembly 500 disposed in the filter cavity 213 includes a filter element 510 and a filter element seat 520 installed at the bottom of the filter element 510, a water outlet hole 521 is disposed at the bottom of the filter element seat 520, water in the filter cavity 213 is filtered by the filter element 510, and filtered purified water flows out of the filter assembly 500 through the water outlet hole 521 and then flows out of the faucet water purifier through the purified water outlet 2123.

As shown in fig. 2 and 3, a first step 2124 surrounding the purified water outlet 2123 is provided at a lower portion of the sidewall of the lower filter housing 212, and an outer wall of the cartridge holder 520 abuts against an inner wall of the first step 2124, so that raw water in the filter chamber 213 that has not been filtered is prevented from passing between the cartridge holder 520 and the sidewall of the lower filter housing 212 and being discharged through the purified water outlet 2123, in order to further improve the sealing between the cartridge seat 520 and the first step 2124, it is ensured that the purified water outlet 2123 can only flow out the purified water filtered by the cartridge 510, an annular filter element sealing groove 522 is arranged on the outer side wall of the filter element seat 520, a filter element sealing ring 523 is arranged in the filter element sealing groove 522, the filter element sealing groove 522 axially limits the filter element sealing ring 523, when the filter element 510 assembly is installed in the filter cavity 213, the inner ring of the filter element sealing ring 523 abuts against the filter element sealing groove 522, and the outer ring of the filter element sealing ring 523 abuts against the inner wall of the first step 2124.

A second step 2125 surrounding the clean water outlet 2123 is further disposed at a lower portion of the sidewall of the lower filter housing 212, the second step 2125 is disposed at a lower portion of the first step 2124 and protrudes from an inner wall of the first step 2124, and when the filter cartridge 510 assembly is installed in the filter cavity 213, an outer circumference of a bottom of the filter cartridge holder 520 abuts against a top surface of the second step 2125. Because the purified water outlet 2123 is disposed at the lower portion of the second step 2125, the filter element seat 520 is disposed at the upper portion of the second step 2125, and the second step 2125 has a certain height, the filter cavity 213 is separated into an upper cavity and a lower cavity by the filter element seat 520 through the arrangement of the second step 2125, the upper cavity of the filter element seat 520 is used for accommodating raw water that is not filtered, the lower cavity of the filter element seat 520 is a water passing cavity 2126, which is disposed between the water outlet 521 and the purified water outlet 2123, and purified water discharged from the water outlet 521 passes through the water passing cavity 2126 and the purified water outlet 2123 to be discharged out of the faucet water purifier. The water passing cavity 2126 separates the bottom of the filter cartridge 510 from the clean water outlet 2123, and prevents the filter cartridge holder 520 from directly contacting the clean water outlet 2123, thereby contaminating the filter assembly 500 with a large amount of dust directly entering the filter assembly 500 from the clean water outlet 2123. Preferably, the purified water outlet 2123 of the bottom of the filtering shell 210 is composed of a plurality of water leaking holes, the plurality of water leaking holes are arranged in an array to uniformly disperse the purified water, so that the purified water flowing out of the purified water outlet 2123 is in a shower effect, and meanwhile, the water collecting function of the water passing cavity 2126 enables the water leaking holes in the central position and the water flowing in the water leaking holes on the periphery to be more uniform.

As shown in fig. 5, the purified water inlet 2122 is surrounded by an annular rib 2127, the annular rib 2127 is disposed on the sidewall of the lower filter housing 212, the central axis of the annular rib 2127 is parallel to the central axis of the filter chamber 213, one side of the upper end of the annular rib 2127 is communicated with the purified water chamber, the lower end of the annular rib 2127 is communicated with the purified water passage 613, and the annular rib 2127 is disposed higher than the first step 2124, so that raw water that is not filtered can rapidly enter the filter chamber 213 above the filter element seat 520 through the purified water inlet 2122 surrounded by the annular rib 2127 for being filtered by the filter element 510.

In this embodiment, the top of the upper filter shell 211 is provided with a timer 400 for indicating the installation time of the filter element 510, the user can record the replacement time of the filter element 510 through the timer 400, after the faucet water purifier is installed on a faucet, the user can check the replacement time of the filter element 510 recorded on the timer 400 by lowering the head, and the filter element 510 is replaced at regular time by checking the time reference on the timer 400, so that the use is more convenient. The timepiece 400 includes a dial 410 and a knob 420 rotatably connected to the dial 410, the knob 420 can be installed at a central position of the dial 410 or at an outer periphery of the dial 410, in this embodiment, as shown in fig. 1 and 4, the knob 420 is annular and is disposed around the dial 410, a number indicating an installation date is provided on the dial 410, and a user can rotate the knob 420 to enable an indication arrow on the knob 420 to point to different numbers, thereby recording a replacement time of the filter element 510. Go up filter shell 211 top and be equipped with the instruction groove 2112 that holds time-recorder 400, dial plate 410 and knob 420 are all inlayed in instruction groove 2112, dial plate 410 accessible buckle or fastener isotructure are fixed on last filter shell 211, the top of dial plate 410 lateral wall is equipped with the spacing edge 411 of dial plate, the bottom of knob 420 inside wall is equipped with the spacing muscle 421 of knob, the spacing top of following the bottom of 411 and the spacing muscle 421 of knob of dial plate offsets in order to carry out the ascending spacing of axial to knob 420, prevent that knob 420 from deviating from and indicating groove 2112. In order to prevent the knob 420 from freely rotating when not being dialed, in this embodiment, the inner wall of the indication groove 2112 is provided with positioning convex points 2113 corresponding to the numbers one by one, the outer side wall of the knob 420 is provided with a plurality of positioning convex points 422 with bayonets 4221, the bayonets 4221 on the knob 420 are clamped with different positioning convex points 2113 along with the rotation of the knob 420 by a user, so that a clicking hand feeling is formed during the rotation, an arrow of the knob 420 can be conveniently and accurately rotated in place, and after the rotation is stopped, the positioning convex points 2113 and the bayonets 4221 perform circumferential limiting on the knob 420, so as to prevent the knob 420 from freely rotating to cause time confusion of the recording of the timer 400.

In this embodiment, the bottom cover 300 is detachably coupled to the bottom of the side case 220 by a snap, etc., to facilitate the installation and removal of the switching valve 600 in the installation cavity 221. The bottom cover 300 is provided with a mounting hole 310 for the purified water outlet 2123 to pass through, the bottom of the lower filter shell 212 is provided with a positioning step 2128, when the bottom cover 300 and the side shell 220 are mounted in place, the bottom cover 300 on the periphery of the mounting hole 310 is clamped in the positioning step 2128 to mount and position the bottom cover 300 and the filter shell 210, and meanwhile, the bottom surface of the filter shell 210 is flush with the bottom surface of the bottom cover 300, so that the filter shell is more attractive.

In this embodiment, after the faucet water purifier is installed on a faucet, the filter assembly 500 and the switch valve 600 are installed side by side in the side housing 220, the front side (i.e., the side facing the user) of the side housing 220 protrudes outward to form an operation boss 222, a through hole 223 communicating with the installation cavity 221 is formed on the operation boss 222, the operation boss 222 is disposed around the through hole 223, a front cover 224 covering the through hole 223 is disposed on the operation boss 222, and as shown in fig. 6, an operation hole 2241 for passing through an operation handle 730 of the driving assembly 700 is disposed on the front cover 224. The front cover 224 is connected with the side shell 220 through a snap fit so as to facilitate the installation and the disassembly of the front cover 224, one side of the front cover 224 facing the side shell 220 is provided with a reinforcing rib 2242 surrounding the peripheral side of the front cover 224, the reinforcing rib 2242 increases the contact area between the side shell 220 and the front cover 224, and simultaneously, the side shell 220 on the peripheral side of the through hole 223 is supported so as to prevent the side shell 220 from deforming under stress. Through the setting of handle hole 2241, make the operating handle 730 of change-over valve 600 side expose the front side at leading purifier, through controlling the manipulation handle 730 of stirring, so that leading purifier flows out the water purification or flows out the raw water, stir to when being close to filter chamber 213 one side when operating handle 730, leading purifier switches to the state of flowing out the water purification, it is to one side that is close to installation cavity 221 to stir to operating handle 730, leading purifier switches to the state of flowing out the raw water, the user can be according to the more audio-visual judgement in the left and right sides position of operating handle 730, in order to realize the switching in water route through operating handle 730 to change-over valve 600 operation as required, improve and use experience.

As shown in fig. 8 to 18, in the present embodiment, the switching valve 600 includes a valve seat 610, a valve core 620, a limiting member 630 and a driving assembly 700, the valve core 620 is rotatably connected to an upper portion of the valve seat 610, the driving assembly 700 is disposed on one side of the valve seat 610, the driving assembly 700 is connected to the valve core 620, the driving assembly 700 can be rotated by laterally shifting the driving assembly 700, the rotating driving assembly 700 drives the valve core 620 to rotate relative to the valve seat 610, so that the water inlet passage 6221 of the valve core 620 communicates with the raw water passage 612 and the purified water passage 613 of the valve seat 610 through rotation of the valve core 620.

As shown in fig. 10, the top of the valve core 620 in this embodiment is provided with a radially extending stop edge 621. As shown in fig. 9, the limiting member 630 is disposed on the valve seat 610 in an annular shape, the limiting member 630 abuts against the top of the limiting edge 621, and the lower portion of the valve core 620 abuts against the valve seat 610, that is, the limiting member 630 and the valve seat 610 clamp the valve core 620 in the axial direction to limit the valve core 620 in the axial direction, so that the valve core 620 can only rotate horizontally on the valve seat 610, and the water inlet passage 6221 of the valve core 620 is prevented from being aligned with the water purifying passage 613 or the raw water passage 612 of the valve seat 610.

The stopper 630 in this embodiment is preferably provided separately from the housing 100 and the valve seat 610, the housing 100 and the valve seat 610 clamp the stopper 630 together, an annular pressing protrusion 631 is provided on an outer ring of the stopper 630, the housing 100 presses the stopper 630 toward the valve element 620 at the lower portion by abutting against a top surface of the pressing protrusion 631, so that the stopper 630 abuts against the valve seat 610, an annular stopper ring 632 is provided on an inner ring of the stopper 630, and the stopper 630 abuts against the stopper edge 621 through a bottom surface of the stopper ring 632 to press the valve element 620. Limiting bulges 633 and limiting grooves 619 are respectively arranged on the side walls of the limiting member 630 and the valve seat 610, the limiting bulges 633 are matched with the limiting grooves 619 to prevent the limiting member 630 from rotating, and the limiting bulges 633 and the limiting grooves 619 can also be respectively arranged on the limiting member 630 and the shell 100.

Of course, the limiting member 630 in this embodiment may also be integrally disposed with the housing 100, and when the housing 100 is mounted on the valve seat 610, the limiting member 630 presses the limiting edge 621 toward the valve seat 610 to achieve axial limiting of the valve element 620. In order to prevent water from leaking from the connection between the limiting member 630 and the valve core 620, in the present embodiment, a first sealing groove 625 and a first sealing ring 626 installed in the first sealing groove 625 are disposed on the outer side wall of the limiting edge 621, and the first sealing ring 626 abuts against the inner wall of the limiting member 630 to achieve sealing between the limiting member 630 and the valve core 620.

As shown in fig. 10, the valve core 620 further includes a mounting portion 622 extending downward along the axial direction of the valve core 620 and a water inlet passage 6221 disposed in the mounting portion 622, the top of the water inlet passage 6221 is communicated with the water inlet 110, the bottom of the mounting portion 622 is provided with a water guide port 6222 communicated with the water inlet passage 6221, so that the water of the faucet flows into the water inlet passage 6221 through the water inlet 110, and then the water in the purified water passage 613 flows out of the water inlet passage 6221 through the water guide port 6222.

The valve seat 610 is fixed in the housing 100, and preferably, an upper portion of the valve seat 610 is locked with the housing 100 by a plurality of screws. As shown in fig. 8, a valve element mounting cavity 611 for mounting a valve element 620, and a raw water passage 612 and a purified water passage 613 respectively communicated with the valve element mounting cavity 611 are provided in the valve seat 610, the raw water passage 612 and the purified water passage 613 are both provided at the lower portion of the valve element mounting cavity 611, a raw water inlet 614 and a purified water inlet 615 are provided at the bottom of the valve element mounting cavity 611, the valve element mounting cavity 611 is communicated with the top of the raw water passage 612 through the raw water inlet 614, and the valve element mounting cavity 611 is communicated with the top of the purified water passage 613 through the purified water inlet 615. The mounting portion 622 of the valve element 620 is disposed in the valve element mounting cavity 611 such that the valve seat 610 is fitted to the outside of the valve element 620, the water guide port 6222 is aligned with the raw water inlet 614 or the purified water inlet 615 as the valve element 620 rotates in the valve element mounting cavity 611, when the upper water guide port 6222 is aligned with the lower raw water inlet 614, the water flowing out through the water guide port 6222 flows into the raw water passage 612 through the raw water inlet 614, and when the upper water guide port 6222 is aligned with the lower purified water inlet 615, the water flowing out through the water guide port 6222 flows into the purified water passage 613 through the purified water inlet 615, and the water inlet passage 6221 is communicated with the raw water passage 612 or the purified water passage 613 by the horizontal rotation of the valve element 620 relative to the valve seat 610.

As shown in fig. 4, the bottom cover 300 is further provided with a raw water outlet 320 and an annular mounting rib 330 extending longitudinally around the raw water outlet 320 in the direction of the valve seat 610, the lower portion of the valve seat 610 abuts against the annular mounting rib 330, so that the raw water outlet 320 is communicated with the raw water channel 612, and raw water flowing out of the raw water channel 612 and without being filtered directly flows out of the faucet water purifier through the raw water outlet 320. Preferably, the raw water outlet 320 is the same as the purified water outlet 2123 and is also composed of a plurality of water leakage holes, and the plurality of water leakage holes are arranged in an array to uniformly disperse the raw water, so that the raw water flowing out through the raw water outlet 320 has a shower effect. In order to quickly align the bottom cap 300 with the valve seat 610 during installation, the annular mounting rib 330 may be inserted into the bottom of the valve seat 610 through the fool-proof protrusion 331. In order to enhance the sealing performance between the bottom of the valve seat 610 and the annular mounting rib 330, a valve seat sealing groove 332 is arranged on the outer side wall of the valve seat 610, a valve seat sealing ring 333 is arranged in the valve seat sealing groove 332, and the valve seat sealing ring 333 is respectively abutted against the inner walls of the valve seat sealing groove 332 and the annular mounting rib 330, so that water flow is prevented from passing through the joint of the valve seat 610 and the bottom cover 300.

The valve element 620 and the valve seat 610 in this embodiment are communicated with each other through the switching assembly 900, as shown in fig. 9 to 12, the switching assembly 900 is disposed in the valve element mounting cavity 611, the top of the switching assembly 900 abuts against the bottom surface of the valve element 620, and the bottom of the switching assembly 900 abuts against the bottom surface of the valve element mounting cavity 611. The switching assembly 900 comprises an upper water guide plate 910 and a lower water guide plate 920 which are identical in shape, the upper water guide plate 910 is overlapped on the top surface of the lower water guide plate 920, the upper water guide plate 910 is installed at the bottom of the installation part 622 and rotates together with the installation part 622, a water passing hole 911 communicated with a water guide hole 6222 is formed in the upper water guide plate 910, the lower water guide plate 920 is fixed on the valve seat 610, a purified water inlet hole 921 and a raw water inlet hole 922 are formed in the lower water guide plate 920, the purified water inlet hole 921 is communicated with the purified water inlet 615, and the raw water inlet hole 922 is communicated with the raw water inlet 614. When the valve core 620 rotates, the water passing hole 911 rotates together with the valve core 620 to align with the purified water inlet hole 921 or the raw water inlet hole 922. In order to prevent water from leaking between the valve body 620 and the upper water guide plate 910 when water enters the water passing hole 911 from the water guide port 6222, a second seal groove 6223 surrounding the water guide port 6222 is provided in a bottom surface of the valve body 620 facing the upper water guide plate 910, and a second seal ring 6224 abutting against the upper water guide plate 910 is provided in the second seal groove 6223.

Preferably, the upper water guide plate 910 and the lower water guide plate 920 both adopt ceramic plates, so that good sealing performance can be kept when the upper water guide plate 910 and the lower water guide plate 920 rotate relatively, water leakage between the upper water guide plate 910 and the lower water guide plate is prevented, meanwhile, friction force between the upper water guide plate 910 and the lower water guide plate is small, rotation is smooth, operation by a user is facilitated, and use experience is improved. In order to fix the lower water guide plate 920, the valve core mounting cavity 611 is symmetrically provided with mounting protrusions 6111, two sides of the lower water guide plate 920 are provided with limiting notches 923, the mounting protrusions 6111 are clamped in the limiting notches 923 to prevent the lower water guide plate 920 from rotating in the valve seat 610, so that the purified water inlet hole 921 on the lower water guide plate 920 is always aligned with the purified water inlet 615, and meanwhile, the raw water inlet 614 is always aligned with the raw water inlet hole 922 to ensure the smoothness of water flow.

In order to drive the upper water guide plate 910 to rotate, the bottom of the mounting portion 622 is provided with a linking protrusion 624, the upper water guide plate 910 is provided with a linking groove 912 matched with the linking protrusion 624, the linking protrusion 624 is inserted into the linking groove 912, one or more linking protrusions 624 can be provided, at least one linking protrusion 624 is eccentrically arranged (that is, the central axis of the linking protrusion 624 does not coincide with the rotating shaft 720 of the valve core 620), and the valve core 620 drives the upper water guide plate 910 to rotate through the eccentrically arranged linking protrusion 624. In this embodiment, two linking protrusions 624 are provided, which are a first linking protrusion 624 and a second linking protrusion 624, respectively, a central axis of the first linking protrusion 624 coincides with a rotating shaft 720 of the valve element 620, the second linking protrusion 624 is eccentrically disposed, and the first linking protrusion 624 and the second linking protrusion 624 are simultaneously connected with the water guide plate, so that the connection strength between the valve element 620 and the water guide plate is enhanced, and the single linking protrusion 624 is prevented from being damaged due to an excessive stress when the valve element 620 and the water guide plate are connected.

A third sealing groove 6225 is formed in the side wall of the mounting portion 622, a third sealing ring 6226 is disposed in the third sealing groove 6225, the third sealing ring 6226 respectively abuts against the inner walls of the valve core 620 and the valve core mounting cavity 611, a fourth sealing groove 924 located at the bottom of the lower water guide plate 920 is disposed on the valve seat 610, a fourth sealing ring 925 respectively abutting against the lower water guide plate 920 and the valve seat 610 is disposed in the fourth sealing groove 924, and the third sealing ring 6226 and the fourth sealing ring 925 are combined to prevent water from leaking between the valve core 620 and the valve seat 610 or between the switching assembly 900 and the valve seat 610, so as to ensure the sealing performance of the switching valve 600.

As shown in fig. 13 to 18, the driving assembly 700 includes a rotating portion 710, a rotating shaft 720 disposed on the rotating portion 710, and an operating handle 730 installed on one side of the rotating portion 710, wherein the operating handle 730 drives the rotating portion 710 to rotate around the rotating shaft 720. Preferably, the rotating portion 710 is provided with a clamping groove 711, the end portion of the operating handle 730 is provided with a clamping hook 731, and the clamping hook 731 and the clamping groove 711 are inserted to realize detachable connection between the operating handle 730 and the rotating portion 710, so that the mounting, dismounting, maintenance and replacement are facilitated. The rotating shaft 720 may be installed in the housing 100, or may be installed on the limiting member 630, or may be installed on the valve seat 610, in this embodiment, it is preferable that the installation platform 616 is disposed on the valve seat 610, the installation platform 616 is located at one side of the valve seat 610, the rotating shaft 720 below the rotating portion 710 is installed on the installation platform 616, and the rotating shaft 720 above the rotating portion 710 is installed on the limiting member 630, so that the driving assembly 700 and the valve seat 610 may be assembled first during installation and then integrally installed in the housing 100, which is more convenient for installation, and meanwhile, the driving assembly 700 installed on the installation platform 616 is easier to align with the valve core 620 for assembly transmission.

A plurality of hemispherical limit salient points 712 are preferably arranged at the bottom of the rotating part 710, the rotating part 710 abuts against the top of the mounting platform 616 through the limit salient points 712, the mounting platform 616 supports the rotating part 710 in the axial direction through the limit salient points 712, and meanwhile, the limit salient points 712 reduce the friction between the rotating part 710 and the mounting platform 616 when the rotating part 710 rotates, so that the rotation is smoother, and the abrasion between the rotating part 710 and the mounting platform 616 is reduced.

As shown in fig. 17, the rotating part 710 includes a top plate 713, a bottom plate 714 and side plates 715, the side plates 715 are mounted on one side of the top plate 713 and the bottom plate 714 for mounting the operating handle 730, in order to enhance the connection strength between the top plate 713 and the bottom plate 714 and the side plates 715 and prevent the rotating part 710 from being deformed, two vertical plates 716 are further disposed between the top plate 713 and the bottom plate 714, and the tops of the two vertical plates 716 abut against the top plate 713 and the bottoms thereof abut against the bottom plate 714 to support the top plate 713 and the bottom plate 714. The side plate 715 is located on a side of the rotating portion 710 facing the front cover 224, preferably, the side plate 715 is a spherical plate, the operating handle 730 is mounted on the side plate 715, and when the rotating portion 710 rotates, the spherical surface avoids other structures in the housing 100, so that the rotation is smoother. Be equipped with annular guard ring 2243 on the handle hole 2241 of protecgulum 224, guard ring 2243 inlays in handle hole 2241 and can dismantle through locking structure protecgulum 224 such as buckle and connect, guard ring 2243 offsets with the sphere towards one side of rotation portion 710, form sealedly between rotation portion 710 and the protecgulum 224 when preventing that mutual contact wearing and tearing between rotation portion 710 and the protecgulum 224, the sphere rotates and laminates with guard ring 2243 all the time along with rotation portion 710, cause the pollution in preventing matters such as external dust from getting into installation cavity 221.

A transmission assembly 800 is connected between the driving assembly 700 and the valve core 620, and the driving assembly 700 rotates and drives the valve core 620 to rotate through the transmission assembly 800. The transmission assembly 800 in this embodiment includes a slave transmission gear 820 mounted on the valve core 620, the driving portion 710 on the driving assembly 700 is provided with a master transmission gear 810, the master transmission gear 810 is engaged with the slave transmission gear 820, when the rotating portion 710 rotates, the slave transmission gear 820 rotates around the rotating shaft 720 along with the rotating portion 710, the rotating master transmission gear 810 drives the engaged slave transmission gear 820 to rotate, and the slave transmission gear 820 drives the valve core 620 to rotate so as to realize transmission between the driving assembly 700 and the valve core 620. The main gear 810 is provided on a side of the top plate 713 facing the valve body 620 and is integrally provided with the top plate 713, the sub gear 820 includes a snap ring 821 and an engagement gear 822 provided on the snap ring 821, and the engagement gear 822 engages with the main gear 810 to perform a transmission. To reduce the space occupied by the slave gear teeth 820, it is preferable to provide the engagement teeth 822 only on the side of the snap ring 821 that faces the master gear teeth 810. Preferably, this embodiment is, pass through the key-type connection between snap ring 821 and the case 620, be equipped with the flat key 623 with the integrative setting of installation department 622 on the lateral wall of installation department 622, be equipped with the keyway 8211 with flat key 623 complex in the inner circle of snap ring 821, flat key 623 and keyway 8211 offset in order to prevent snap ring 821 free rotation on case 620 the while, be convenient for installation and dismantlement between snap ring 821 and the case 620, make maintenance and change more convenient, when snap ring 821 takes place to damage, can pull down snap ring 821 and change alone, and the maintenance cost is reduced.

The top of the valve seat 610 is provided with a first supporting edge 617 extending along the radial direction of the valve seat 610 and a second supporting edge 618 located at the periphery of the first supporting edge 617, the height of the second supporting edge 618 is higher than that of the first supporting edge 617, so that the space between the first supporting edge 617 and the second supporting edge 618 is stepped, and the retaining member 630 abuts against the top surface of the second supporting edge 618. When the snap ring 821 is sleeved on the mounting portion 622, the top surface of the snap ring 821 is abutted to the bottom surface of the limiting edge 621, the bottom surface of the snap ring 821 is abutted to the top surface of the second supporting edge 618, the limiting edge 621 and the second supporting edge 618 limit the snap ring 821 in the axial direction, so that the meshing teeth 822 on the snap ring 821 are meshed with the main transmission teeth 810 all the time in height, and the transmission stability is guaranteed. In order to reduce the friction between the rotating snap ring 821 and the first supporting edge 617, a plurality of supporting protrusions 8212 are disposed on the bottom surface of the snap ring 821, and the snap ring 821 is abutted against the first supporting edge 617 through the supporting protrusions 8212.

As shown in fig. 15 and 16, a limiting platform 634 is disposed on one side of the limiting member 630, the limiting platform 634 is used for mounting the rotating shaft 720 on the upper portion of the rotating part 710, and the limiting platform 634 and the mounting platform 616 cooperate to limit the driving assembly 700 along the axial direction of the rotating shaft 720. A groove 6341 with a downward opening facing the rotating portion 710 is formed in the limiting platform 634, an elastic resetting member 635 and a positioning member 636 located below the elastic resetting member 635 are disposed in the groove 6341, the top of the elastic resetting member 635 abuts against the inner wall of the groove 6341, the bottom of the elastic resetting member 635 abuts against the positioning member 636, and as shown in fig. 17, a first positioning groove 7131 and a second positioning groove 7132 are disposed at the top of the rotating portion 710. When the rotating part 710 rotates to the position that the groove 6341 faces the first positioning groove 7131, the positioning member 636 is pushed by the elastic returning member 635 to be clamped into the first positioning groove 7131, and at this time, the driving assembly 700 controls the water inlet passage 6221 to be communicated with the raw water passage 612; when the groove 6341 of the rotating portion 710 rotates from the first positioning groove 7131 to the second positioning groove 7132, the positioning element 636 is disengaged from the first positioning groove 7131, and the positioning element 636 abuts against the top surface of the rotating portion 710, so that the positioning element 636 presses the elastic reset element 635 into the groove 6341; when the rotating portion 710 rotates to the groove 6341 to face the second positioning groove 7132, the positioning element 636 is pushed by the elastic reset element 635 to be clamped into the second positioning groove 7132, and at this time, the driving assembly 700 controls the water inlet passage 6221 to communicate with the water purifying passage 613; handle and sound through the cooperation of setting element 636 and first constant head tank 7131 or second constant head tank 7132, the suggestion user rotates and targets in place, improves and uses experience, and the cooperation can effectively prevent to rotate portion 710 free rotation in order to switch the water route between setting element 636 and first constant head tank 7131 or the second constant head tank 7132 simultaneously, guarantees the stability of rivers. Preferably, elasticity returns piece 635 and is the spring, and setting element 636 is the ball, and first constant head tank 7131 and second constant head tank 7132 are the hemisphere groove for when rotating portion 710 rotated under the exogenic action, setting element 636 can be changeed and deviate from in first constant head tank 7131 or the second constant head tank 7132, uses laborsavingly more. Of course, it is understood that the groove 6341 in this embodiment may also be disposed through the limiting platform 634, and the inner wall of the casing 100 is attached to the top surface of the limiting platform 634, so that the casing 100 covers the top of the groove 6341, and the upper portion of the elastic reset element 635 in the groove 6341 abuts against the casing 100.

In this embodiment, the outlet of the purified water passage 613 is communicated with the purified water inlet 2122 through the water conduit 140, two ends of the water conduit 140 are detachably connected to the valve seat 610 and the purified water inlet 2122, preferably, two ends of the water conduit 140 are respectively inserted into the purified water passage 613 and the purified water inlet 2122, so as to facilitate the installation and detachment of the water conduit 140, and in order to enhance the sealing property of the connection between the two ends of the water conduit 140, sealing rings may be disposed at two ends of the water conduit 140.

The working process is as follows:

the operating handle 730 is shifted to one side of the filter assembly 500, the water inlet passage 6221 is communicated with the water purifying passage 613, raw water in the water purifying passage 613 flows into the filter cavity 213 through the water guide pipe 140 and the water purifying water inlet 2122, the raw water in the filter cavity 213 is filtered by the filter element 510 to become purified water, and the purified water flows out of the faucet water purifier through the water purifying water outlet 2123; the operating handle 730 is shifted to one side of the switching valve 600, the water inlet passage 6221 is communicated with the raw water passage 612, raw water in the raw water passage 612 flows into the raw water passage 612 through the raw water inlet 614, and raw water in the raw water passage 612 flows out of the faucet water purifier through the raw water outlet 320.

The tap purifier in this embodiment still includes enclosing cover 120 and adapter, enclosing cover 120 threaded connection is on shell 100, in order to install the adapter in water inlet 110, enclosing cover 120 presss from both sides the lower part of tight adapter with locating part 630 jointly and carries on spacingly with the adapter, in order to improve the leakproofness between adapter and the locating part 630, can set up adapter sealing washer 130 in the bottom of adapter, adapter sealing washer 130 is compressed tightly between adapter and locating part 630 by the adapter, prevent that water from taking place the seepage from the in-process that the adapter flowed into water inlet 110.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a tap purifier, includes the change-over valve, the change-over valve includes water inlet channel, raw water passageway and water purification passageway, its characterized in that: still including being equipped with filter passage's filter equipment, filter equipment with the change-over valve sets up side by side, filter passage with water purification passageway intercommunication, the change-over valve is including the case that is equipped with inhalant canal and the disk seat that is equipped with raw water passageway and water purification passageway, the case cover is established in the disk seat, the change-over valve still include with the drive assembly that the case links to each other transversely stirs drive assembly, drive assembly rotate and drive the case for the disk seat rotates, so that inhalant canal with raw water passageway or water purification passageway intercommunication.

2. The faucet water purifier of claim 1, wherein: the filtering channel comprises a purified water inlet arranged on the filtering device, and the purified water inlet is communicated with a water outlet of the purified water channel through a water guide pipe.

3. The faucet water purifier of claim 2, wherein: the filter device comprises a filter shell, wherein one side of the filter shell is provided with an annular rib extending downwards and longitudinally, the annular rib surrounds the purified water inlet, one end of the water guide pipe is connected with the purified water inlet, the other end of the water guide pipe is connected with the water outlet of the purified water channel, and two ends of the water guide pipe are detachably connected with the annular rib and the change-over valve respectively.

4. The faucet water purifier of claim 1, wherein: the filter device comprises a filter shell and a filter assembly, the filter shell is enclosed into a filter cavity, the filter assembly is arranged in the filter cavity, the filter channel comprises the filter cavity and a purified water inlet and a purified water outlet which are arranged on the filter shell, and the purified water inlet and the purified water outlet are communicated through the filter assembly.

5. The faucet water purifier of claim 4, wherein: the filter shell comprises an upper filter shell and a lower filter shell which are detachably connected, and the upper filter shell covers the lower filter shell to form the filter cavity.

6. The faucet water purifier of claim 5, wherein: the upper filter shell is provided with a timer for indicating the installation time of the filter element, the timer comprises a dial plate and a knob rotatably connected with the dial plate, and the knob rotates to point to different times on the dial plate.

7. The faucet water purifier of claim 6, wherein: the upper filter shell is provided with an indicating groove for accommodating a dial plate and a knob, the knob is annular and surrounds the dial plate, and the dial plate and the indicating groove jointly limit the knob in the axial direction.

8. The faucet water purifier of claim 1, wherein: the driving assembly is provided with a main transmission gear, the valve core is provided with a driven transmission gear, and the main transmission gear is meshed with the driven transmission gear.

9. The faucet water purifier of claim 8, wherein: drive assembly with the disk seat rotates to be connected, drive assembly includes rotation portion, locates the pivot in the rotation portion and installs the operating handle in rotation portion one side, operating handle passes through rotation portion drives the final drive tooth winds the pivot rotates.

10. The faucet water purifier of claim 9, wherein: the rotating shaft is installed on the valve seat, the rotating part is provided with a limiting convex point which is abutted to the valve seat, the operating handle is pulled, and the rotating part rotates in the conversion valve around the rotating shaft through the limiting convex point.

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