CN215410340U

CN215410340U - Waterway switching valve of faucet water purifier and faucet water purifier

Info

Publication number: CN215410340U
Application number: CN202121475539.4U
Authority: CN
Inventors: 朱泽春; 马明阳; 刘宗印
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-01-04
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a waterway switching valve of a tap water purifier, which comprises a valve body, a valve core arranged in the valve body and a switching switch rotationally arranged on the valve body, the valve body is provided with a water inlet, a water purifying interface, a shower water outlet and a raw water outlet, the valve core is internally provided with a water purifying flow passage communicated with the water purifying interface, a raw water converging flow passage communicated with the raw water outlet and a shower flow passage communicated with the shower water outlet, the water inlet end of the purified water flow passage, the water inlet end of the raw water gathering flow passage and the water inlet end of the shower flow passage form three water inlets which are uniformly distributed on the same circumference at intervals, the valve body is internally provided with a water passing channel for communicating the water inlet and the water inlet, the change-over switch comprises two sealing pieces positioned in the water passing channel, and the two sealing pieces seal the two water inlets. In addition, the utility model also discloses a faucet water purifier adopting the waterway switching valve.

Description

Waterway switching valve of faucet water purifier and faucet water purifier

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of water purifiers, in particular to a waterway switching valve of a faucet water purifier and the faucet water purifier.

[ background of the utility model ]

The tap water purifier comprises a filtering device and a control valve, wherein the control valve comprises a valve body and a change-over switch, a water inlet, a raw water outlet and a water purifying interface communicated with the filtering device are arranged on the valve body, a raw water channel communicated with the raw water outlet and a water purifying channel communicated with the water purifying interface are arranged in the valve body, tap water can be controlled to flow into the water purifying channel or the raw water channel through the change-over switch, the change-over switch is located at a raw water position when washing hands, vegetables and the like do not need to be filtered, the tap water is directly discharged from the raw water outlet through the raw water channel, the raw water is tap water, the change-over switch is located at a water purifying position when dishes, soup and the like need to be filtered, and the tap water flows into the filtering device through the water purifying channel and then is discharged from the water purifying outlet of the filtering device. Therefore, the existing faucet water purifier only has two water purification modes, namely pure water and raw water, and cannot meet the requirement of users for spraying flowers, so that the faucet water purifier capable of discharging the pure water, the raw water and the shower water needs to be developed.

[ Utility model ] content

The utility model aims to overcome the defects of the prior art and provides a waterway switching valve of a faucet water purifier and the faucet water purifier.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a water route diverter valve of tap water purifier, includes the valve body, locates case and rotation in the valve body are installed change over switch on the valve body, the valve body is equipped with water inlet, water purification interface, gondola water faucet delivery port and raw water export, be equipped with in the case with the water purification runner of water purification interface intercommunication, with the raw water of raw water export intercommunication assemble the runner and with the gondola water faucet runner of gondola water faucet delivery port intercommunication, the water purification runner intake the end the raw water assemble the runner intake the end and the gondola water faucet runner intake the end form even interval distribution on same circumference three water inlet, be equipped with in the valve body and be used for the intercommunication the water inlet is with the water crossing passageway of water inlet, change over switch is including being located two sealing members in the water crossing passageway, two sealing member shutoff wherein two water inlets.

Further, the case includes division board, horizontal pipe and locates the vertical pipe at horizontal pipe top, the division board will horizontal pipe separates and forms first cavity and second cavity, first cavity and vertical pipe intercommunication form cross the water passageway, be equipped with threely on the division board the water inlet, one of them water inlet forms with second cavity intercommunication the water purification runner, raw water assembles the runner and the gondola water faucet runner is located and downwardly extending runs through on the division board horizontal pipe.

Furthermore, a communication hole is formed in the transverse pipe and is communicated with the vertical pipe and the first cavity.

Furthermore, the change-over switch comprises a handle penetrating through the valve body and a rotating shaft in sealing fit with the inner wall of the first cavity, the handle and the rotating shaft rotate synchronously, one side of the rotating shaft, facing the partition plate, is provided with two positioning sleeves, the sealing element comprises a sealing ball and an elastic element, and the elastic element is inserted into the positioning sleeves and presses the sealing ball on the partition plate to block the water inlet.

Furthermore, the tip joint of horizontal pipe has the prevention the pivot is deviate from the separation blade of first cavity, the one end of handle stretches into in the valve body and passes the separation blade with the pivot joint is fixed.

Furthermore, the valve core further comprises a sealing sheet arranged in the first cavity, the sealing sheet is provided with three water through holes corresponding to the three water inlets, one side, facing the partition plate, of the sealing sheet is provided with a positioning convex rib arranged around the water through holes, the positioning convex rib is inserted into the water inlets, and the sealing member blocks the water through holes.

Furthermore, the valve body comprises a main body, a base and a threaded cover, the vertical pipe upwards penetrates through the main body and is in threaded connection with the threaded cover, the valve core is further provided with a positioning plate, a clamping rib is arranged on the inner wall of the main body, the positioning plate is clamped between the clamping rib and the top wall of the main body, and the base is clamped and fixed with the main body.

Further, the raw water export is for locating the centre bore of valve body bottom, the gondola water faucet delivery port is located the valve body bottom, just the gondola water faucet delivery port includes that a plurality of centers on the gondola water faucet hole in the centre bore outside.

Furthermore, the bottom of case still is equipped with around the bulge loop in the raw water assembles the runner outside, the transition chamber that the sealed cooperation of the diapire of bulge loop and valve body formed, the transition chamber intercommunication gondola water faucet runner and gondola water faucet delivery port.

A faucet water purifier comprises a filtering component and the waterway switching valve in any technical scheme, wherein the filtering component is communicated with a water purifying interface.

The utility model has the beneficial effects that:

when the waterway switching valve provided by the utility model is used, the switching switch is rotated to enable the two sealing pieces to seal the two water inlets which are respectively communicated with the purified water channel and the raw water gathering channel, the water inlet which is communicated with the sprinkler channel is opened, and at the moment, the raw water flows into the water channel through the water inlet, then flows into the sprinkler channel through the opened water inlet and is discharged from the water outlet of the sprinkler, so that the sprinkling is realized; when the change-over switch is rotated to enable the two sealing pieces to seal the two water inlets which are respectively communicated with the water purification flow passage and the shower flow passage, the water inlet communicated with the raw water gathering flow passage is opened, and at the moment, the raw water flows into the raw water gathering flow passage through the water inlet, then flows into the raw water gathering flow passage through the opened water inlet and is discharged from the raw water outlet, so that the raw water is discharged; similarly, when the change-over switch is rotated to enable the two sealing pieces to seal the two water inlets which are respectively communicated with the raw water gathering flow passage and the shower flow passage, the water inlet communicated with the water purification flow passage is opened, and at the moment, the raw water flows into the water passing passage through the water inlet, flows into the water purification flow passage through the opened water inlet, flows into the filter assembly through the water purification interface, is filtered, and is discharged from the water purification outlet of the filter assembly, so that purified water is discharged; therefore, the waterway switching valve can realize water outlet in one mode of pure water, raw water and shower water, so that the requirement of a user is met; in addition, the water purification runner, the raw water convergence runner and the shower runner in the embodiment are all arranged on the valve core, so that the assembly steps of the waterway switching valve are simplified, and the assembly efficiency is improved.

The valve core comprises a partition plate, a transverse pipe and a vertical pipe arranged at the top of the transverse pipe, the partition plate divides the transverse pipe into a first cavity and a second cavity, the first cavity is communicated with the vertical pipe to form a water passing channel, three water inlets are formed in the partition plate, one of the water inlets is communicated with the second cavity to form a water purifying flow channel, and the raw water gathering flow channel and the shower flow channel are arranged on the partition plate and extend downwards to penetrate through the transverse pipe. By the design, the valve core is convenient to integrally machine and form, and the machining difficulty of the valve core is reduced.

The horizontal pipe is provided with a communication hole which is communicated with the vertical pipe and the first cavity. By the design, the communicating hole can be formed only by processing the through hole at the position of the transverse pipe wall corresponding to the vertical pipe and the first cavity at the same time, so that the processing difficulty of the valve core is further reduced.

The change-over switch comprises a handle penetrating through the valve body and a rotating shaft in sealing fit with the inner wall of the first cavity, the handle and the rotating shaft synchronously rotate, two positioning sleeves are arranged on one side of the rotating shaft, which faces the partition plate, the sealing element comprises a sealing ball and an elastic element, and the elastic element is inserted into the positioning sleeves and presses the sealing ball into the partition plate to block the water inlet. The elastic piece presses the sealing ball to seal the water inlet, so that the sealing reliability of the sealing ball for sealing the water inlet can be improved, and the sealing ball is not easy to leak; in addition, because a part of the sealing ball falls into the water inlet, certain hand feeling can be generated when the handle is rotated so as to prompt a user to rotate to the position.

The tip joint of horizontal pipe has the separation blade that prevents that the pivot from deviating from first cavity, and the one end of handle stretches into in the valve body and passes the separation blade and the pivot joint is fixed. By the design, the sealing fit between the rotating shaft and the inner wall of the first cavity and the sealing effect of the sealing element on the water inlet can be ensured, so that the rotating shaft is prevented from leaking after being separated from the first cavity; in addition, the handle is convenient to be installed on the valve body in the later period.

The valve core further comprises a sealing sheet arranged in the first cavity, the sealing sheet is provided with three water through holes corresponding to the three water inlets, one side, facing the partition plate, of the sealing sheet is provided with a positioning convex rib arranged around the water through holes, the positioning convex rib is inserted into the water inlets, and the sealing member blocks the water through holes. By the design, the sealing ball can be in soft contact with the sealing sheet, so that the abrasion to the sealing ball is reduced, and the sealing reliability and the long service life are ensured; in addition, the positioning convex ribs are inserted into the water inlets, circumferential positioning can be carried out on the sealing sheet, and the situation that the three water inlets are not communicated with the three flow passages respectively due to rotation of the sealing sheet is avoided.

The valve body includes main part, base and screw cap, and vertical pipe upwards runs through the main part and with the screw cap spiro union, and the case still is equipped with the locating plate, is equipped with the screens muscle on the inner wall of main part, and the locating plate clamps between the roof of screens muscle and main part, and the base is fixed with the main part joint. So design, the equipment is simple and convenient.

The former water outlet is the centre bore of locating the valve body bottom, and the valve body bottom is located to the gondola water faucet delivery port, and the gondola water faucet delivery port includes a plurality of gondola water faucet holes around the centre bore outside. By the design, the structure of the valve body can be more compact, the size of the valve body is reduced, and the manufacturing cost is further reduced.

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

[ description of the drawings ]

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is an exploded view of a faucet water purifier in one embodiment of the present invention;

FIG. 2 is a cross-sectional view of the faucet water purifier as it delivers purified water in accordance with one embodiment of the present invention;

FIG. 3 is a schematic view of a valve cartridge according to an embodiment of the present invention;

FIG. 4 is a perspective cross-sectional view of a valve cartridge according to one embodiment of the present invention;

FIG. 5 is a schematic diagram of the sealing plate according to an embodiment of the present invention;

FIG. 6 is a perspective cross-sectional view of a body in accordance with an embodiment of the present invention;

FIG. 7 is a cross-sectional view of the faucet water purifier as it delivers raw water in accordance with one embodiment of the present invention;

FIG. 8 is a cross-sectional view of the faucet water purifier as it dispenses water in accordance with one embodiment of the present invention;

FIG. 9 is a cross-sectional view of a faucet water purifier in one embodiment of the present invention;

FIG. 10 is a schematic view of the seal of one embodiment of the present invention;

FIG. 11 is a cross-sectional view of a seal in accordance with an embodiment of the present invention.

Reference numerals:

100. a valve body; 101. a water inlet; 102. a water purification interface; 103. a water outlet of the shower head; 104. a raw water outlet; 110. a main body; 111. an annular baffle; 112. a clamping rib; 113. a clamping hole; 120. a base; 121. buckling; 122. an annular convex rib; 130. a threaded cap; 200. a valve core; 210. a purified water flow passage; 211. a water inlet end of the purified water flow passage; 220. a raw water converging flow channel; 221. a water inlet end of the raw water gathering flow passage; 230. a shower runner; 231. the water inlet end of the sprinkler flow passage; 240. a partition plate; 250. a transverse tube; 251. a first cavity; 252. a second cavity; 253. a communicating hole; 260. a vertical tube; 261. an annular rib; 262. a gasket; 270. positioning a plate; 280. a convex ring; 290. sealing the sheet; 291. a water through hole; 292. positioning the convex ribs; 300. a switch; 310. a handle; 320. a rotating shaft; 321. a positioning sleeve; 330. a seal member; 331. a sealing ball; 332. an elastic member; 333. an elastic column; 334. an outer sleeve; 335. an inner sleeve; 336. an annular sealing rib; 340. a baffle plate; 400. a filter assembly.

[ detailed description ] embodiments

The utility model provides a waterway switching valve of a faucet water purifier, which comprises a valve body, a valve core arranged in the valve body and a switching switch rotationally arranged on the valve body, the valve body is provided with a water inlet, a water purifying interface, a shower water outlet and a raw water outlet, the valve core is internally provided with a water purifying flow passage communicated with the water purifying interface, a raw water converging flow passage communicated with the raw water outlet and a shower flow passage communicated with the shower water outlet, the water inlet end of the purified water flow passage, the water inlet end of the raw water gathering flow passage and the water inlet end of the shower flow passage form three water inlets which are uniformly distributed on the same circumference at intervals, the valve body is internally provided with a water passing channel for communicating the water inlet and the water inlet, the change-over switch comprises two sealing pieces positioned in the water passing channel, and the two sealing pieces seal the two water inlets.

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort 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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered 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," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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

Example one

Referring to fig. 1 to 8, the waterway switching valve of the faucet water purifier in this embodiment includes a valve body 100, a valve core 200 disposed in the valve body 100, and a switch 300 rotatably mounted on the valve body 100, wherein a water inlet 101 is disposed at the top of the valve body 100, a water purifying port 102 is disposed at the side of the valve body 100, a shower water outlet 103 and a raw water outlet 104 are disposed at the bottom of the valve body 100, a water purifying flow passage 210 communicated with the water purifying port 102, a raw water converging flow passage 220 communicated with the raw water outlet 104, and a shower flow passage 230 communicated with the shower water outlet 103 are disposed in the valve core 200 in this embodiment, three water inlets uniformly distributed on the same circumference at intervals are formed at a water inlet end 211 of the water purifying flow passage 210, a water inlet end 221 of the raw water converging flow passage 220, and a water inlet end 231 of the shower flow passage 230, a water passage for communicating the water inlet and the water inlet 101 is disposed in the valve body 100, and the switch 300 includes two sealing members disposed in the water passage, two sealing members block two water inlets.

When the waterway switching valve of this embodiment is used, the change-over switch 300 is rotated to make two sealing members seal two water inlets respectively communicated with the purified water channel 210 and the raw water converging channel 220, the water inlet communicated with the shower channel 230 is opened, at this time, the raw water flows into the water channel through the water inlet 101, flows into the shower channel 230 through the opened water inlet, and is discharged from the shower water outlet 103, so as to realize the spraying of flowers (as shown in fig. 8); when the switch 300 is rotated to seal two water inlets respectively communicating with the purified water channel 210 and the shower water channel 230, the water inlet communicating with the raw water collecting channel 220 is opened, and then the raw water flows into the water channel through the water inlet 101, flows into the raw water collecting channel 220 through the opened water inlet, and is discharged through the raw water outlet 104, so as to discharge the raw water (as shown in fig. 7); similarly, when the switch 300 is rotated to seal the two water inlets respectively connected to the raw water collecting channel 220 and the shower runner 230, the water inlet connected to the purified water runner 210 is opened, and then the raw water flows into the water channel through the water inlet 101, flows into the purified water runner 210 through the opened water inlet, flows into the filter assembly of the faucet water purifier through the purified water port 102, is filtered by the filter assembly, and is discharged through the purified water outlet of the filter assembly, so as to realize purified water (as shown in fig. 2); therefore, the waterway switching valve in the embodiment can realize water outlet in one mode of pure water, raw water and shower water, so that the requirement of a user is met; in addition, the purified water flow passage 210, the raw water converging flow passage 220, and the shower flow passage 230 in this embodiment are all disposed on the valve core 200, thereby simplifying the assembly steps of the waterway switching valve and improving the assembly efficiency.

Specifically, the valve core 200 in this embodiment includes a partition plate 240, a transverse pipe 250 and a vertical pipe 260 disposed on the top of the transverse pipe 250, the partition plate 240 partitions the transverse pipe 250 into a first cavity 251 and a second cavity 252, the first cavity 251 is communicated with the interior of the vertical pipe 260 to form a water passage, the partition plate 240 is provided with the three water inlets, one of the water inlets is communicated with the second cavity 252 to form a purified water flow passage 210, the partition plate 240 is provided with two radial through holes extending radially and penetrating through the transverse pipe 250, and the two radial through holes are respectively communicated with the remaining two water inlets to form the raw water converging flow passage 220 and the shower flow passage 230, so that the raw water converging flow passage 220 and the shower flow passage 230 are disposed on the partition plate 240. By the design, the valve core 200 can be integrally processed and formed conveniently, and the processing difficulty of the valve core 200 is reduced.

In order to communicate the first cavity 251 with the interior of the vertical tube 260 to form a water passing channel, in this embodiment, the horizontal tube 250 is provided with a communication hole 253, that is, a through hole is processed on the horizontal tube wall corresponding to the vertical tube 260 and the first cavity 251 at the same time to form the communication hole 253, so that the communication hole 253 communicates the vertical tube 260 with the first cavity 251. By the design, the machining difficulty of the valve core 200 can be further reduced.

In order to enable the vertical pipe 260 to be connected with the standard connector in a sealing manner, in the embodiment, a plurality of annular ribs 261 which are coaxially arranged with the vertical pipe 260 and have openings are arranged in the vertical pipe 260, the openings of the annular ribs 261 are located above the communication holes 253, the sealing gasket 262 is pressed on the top surface of the annular ribs 261 to be in sealing butt joint with the standard connector, water passing holes corresponding to the innermost annular ribs are formed in the middle of the sealing gasket 262, raw water flows into the first cavity 251 through the water inlet 101, the water passing holes, the innermost annular ribs, the openings of the annular ribs and the communication holes 253.

In order to assemble the valve core 200 into the valve body 100 and simplify the assembly difficulty of the valve core 200 and the valve body 100, the valve body 100 in this embodiment includes a main body 110, a base 120 and a screw cap 130, the main body 110 is a cylindrical structure with open upper and lower ends, the top of the main body 110 is provided with an annular baffle 111 extending radially inward, the annular baffle 111 forms the top wall of the main body 110, the inner wall of the main body 110 is provided with a retaining rib 112, the valve core 200 is further provided with an annular positioning plate 270 coaxially arranged with a vertical pipe, after the valve core 200 is installed in the main body 110 from bottom to top, the positioning plate 270 is clamped between the retaining rib 112 and the top wall of the main body 110, the vertical pipe 260 penetrates the main body 110 upward and is screwed with the screw cap 130, the water inlet 101 is arranged at the top of the screw cap 130, while the side wall of the main body 110 in this embodiment is further provided with an upper half pipe extending radially outward, the inner side wall of the main body 110 is provided with a retaining hole 113, the base 120 is provided with a lower half pipe extending radially outward, the base 120 is provided with a buckle 121 clamped with the clamping hole 113, so that the base 120 is clamped and fixed on the main body 110, and at the moment, the upper half pipe and the lower half pipe are butted and sleeved on the outer side of one end of the transverse pipe. In order to improve the connection reliability between the base 120 and the valve body 110, in this embodiment, the top wall of the main body 110 is provided with a downwardly extending screw column, and the base 120 is further provided with an upwardly extending hollow column, and a screw passes through the hollow column and is locked with the screw column.

As shown in fig. 1 to 4, in order to make the structure of the valve body 100 more compact, so as to reduce the volume of the valve body 100, and further reduce the manufacturing cost, in this embodiment, the raw water outlet 104 is a central hole disposed on the base 120, the shower outlet 103 is disposed on the base 120, and the shower outlet 103 includes a plurality of shower holes surrounding the outside of the central hole, the raw water converging flow channel 220 extends downward and is inserted into the central hole, the bottom of the valve core 200 is further provided with a convex ring 280 surrounding the outside of the raw water converging flow channel 220, the base 120 is provided with an annular convex rib 122 extending upward, the convex ring 280 is sleeved with the annular convex rib 122, and a sealing ring is interposed between the convex ring 280 and the annular convex rib 122, so that the convex ring 280 and the base 120 form a transition cavity in a sealing fit, the raw water outlet 104 and the shower outlet 130 are both disposed on the bottom wall of the transition cavity, and the shower flow channel 230 is communicated with the shower outlet 103 through the transition cavity.

In addition, as shown in fig. 1 and fig. 5, the switch 300 in this embodiment includes a handle 310 penetrating through the valve body 100, a rotating shaft 320 rotating synchronously with the handle 310, and a sealing member 330, the rotating shaft 320 is inserted into the first cavity 251 and a sealing ring is disposed between the rotating shaft 320 and the inner wall of the first cavity to realize the sealing fit between the rotating shaft 320 and the inner wall of the first cavity 251, a circular protruding rib is disposed on a side of the rotating shaft 320 away from the partition plate 240, a clamping gap is formed between the circular protruding rib and the end surface of the rotating shaft 320, and the handle 310 is provided with an elastic clamping arm clamped and matched with the clamping gap; in addition, the medial surface of circular protruding muscle is the non-circular face, and the part that handle 310 inserted in the circular protruding muscle matches with the non-circular face, so realizes handle 310 and 320 synchronous rotations of pivot, and during the equipment, after assembling case 200, pivot 320, sealing member 330 in valve body 100, make the one end of handle 310 stretch into in valve body 100 can be fixed with pivot 320 joint, make things convenient for handle 310 to install on valve body 100 from this.

In addition, in this embodiment, the end of the transverse tube is clamped with a blocking piece 340 for preventing the rotating shaft 320 from coming off the first cavity 251, so that the sealing fit between the rotating shaft 320 and the inner wall of the first cavity 251 and the sealing effect of the sealing element 330 on the water inlet can be ensured, and the leakage after the rotating shaft 320 comes off the first cavity 251 can be avoided; the side walls of the baffle 340 and the valve body 110 are respectively provided with a through hole for the handle 310 to pass through, after the valve core 200, the rotating shaft 320, the sealing element 330 and the baffle 340 are assembled in the valve body 100, one end of the handle 310 is extended into the valve body 100 and passes through the baffle 340 to be clamped and fixed with the rotating shaft 320.

In addition, in this embodiment, two positioning sleeves 321 are disposed on one side of the rotating shaft 320 facing the partition plate 240, the sealing member 330 includes a sealing ball 331 and an elastic member 332, and the sealing ball 331 is a glass ball, a metal ball or a plastic ball; the elastic member 332 is a spring, and the elastic member 332 is inserted into the positioning sleeve 321 and presses the sealing ball 331 against the partition plate 240 to close the water inlet. The elastic piece 332 presses the sealing ball 331 to seal the water inlet, so that the sealing reliability of the sealing ball 331 for sealing the water inlet can be improved, and the water inlet is not easy to leak; in addition, since a portion of the sealing ball 331 falls into the water inlet, a certain feeling is generated when the handle 310 is rotated to prompt the user to rotate to the position.

In addition, in order to reduce the abrasion to the sealing ball 331, in the present embodiment, the valve element 200 further includes a sealing sheet 290 disposed in the first cavity 251, the sealing sheet 290 is provided with three water through holes 291 corresponding to the three water inlets, one side of the sealing sheet 290 facing the partition plate 240 is provided with a positioning convex rib 292 disposed around the water through holes 291, and the positioning convex rib 292 is inserted into the water inlets, so that the sealing sheet 290 can be circumferentially positioned, thereby preventing the three water inlets and the three flow passages from being disconnected from each other due to the rotation of the sealing sheet 290; in addition, the sealing ball 331 blocks the water through hole 291, so that the sealing ball 331 and the sealing piece 290 are in soft contact, abrasion to the sealing ball 331 is reduced, and sealing reliability and long service life are guaranteed.

Example two

As shown in fig. 9, the sealing member 330 in this embodiment includes an elastic member 332 and an elastic column 333, the elastic member 332 is a spring, the elastic column 333 includes a cylinder and a sealing pressing plate disposed at one end of the cylinder, one end of the spring is inserted into the positioning sleeve 321, the other end of the spring is sleeved outside the cylinder, a middle portion of the sealing pressing plate is recessed, and the sealing pressing plate blocks the water through hole 291 under the pressing of the elastic member 332, so that the design is convenient for assembly of the sealing member 330 on a production line.

EXAMPLE III

As shown in fig. 10 to 11, the sealing member 330 in this embodiment includes two sealing sleeves with one end closed, the two sealing sleeves are integrally formed, the sealing sleeve includes an outer sleeve 334 and an inner sleeve 335, one end of the positioning sleeve 321 is inserted between the outer sleeve 334 and the inner sleeve 335, the closed end of the sealing sleeve is provided with a protruding annular sealing rib 336, and the annular sealing rib 336 is press-fitted on the sealing piece 290 to close the water through hole 291.

Example four

As shown in fig. 1, 2, 8 and 9, the present embodiment further provides a faucet water purifier using the waterway switching valve, and the faucet water purifier further includes a filter assembly 400, and the filter assembly 400 is communicated with the purified water interface.

While the utility model has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the utility model is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the utility model as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. A waterway switching valve of a tap water purifier comprises a valve body, a valve core arranged in the valve body and a switching switch rotationally arranged on the valve body, wherein the valve body is provided with a water inlet, a purified water interface, a shower water outlet and a raw water outlet, it is characterized in that a water purifying flow passage communicated with the water purifying interface, a raw water converging flow passage communicated with the raw water outlet and a shower flow passage communicated with the shower water outlet are arranged in the valve core, the water inlet end of the purified water flow passage, the water inlet end of the raw water gathering flow passage and the water inlet end of the shower flow passage form three water inlets which are uniformly distributed on the same circumference at intervals, the valve body is internally provided with a water passing channel for communicating the water inlet and the water inlet, the change-over switch comprises two sealing pieces positioned in the water passing channel, and the two sealing pieces seal the two water inlets.

2. The waterway switching valve of a faucet water purifier as recited in claim 1, wherein the valve core comprises a partition plate, a transverse pipe and a vertical pipe disposed at the top of the transverse pipe, the partition plate divides the transverse pipe into a first cavity and a second cavity, the first cavity is communicated with the vertical pipe to form the water passage, the partition plate is provided with three water inlets, one of the water inlets is communicated with the second cavity to form the purified water flow passage, and the raw water converging flow passage and the shower flow passage are disposed on the partition plate and extend downward through the transverse pipe.

3. The waterway switching valve of a faucet water purifier as recited in claim 2, wherein the transverse pipe is provided with a communication hole, and the communication hole communicates the vertical pipe with the first cavity.

4. The waterway switching valve of a faucet water purifier as recited in claim 2, wherein the switch comprises a handle disposed through the valve body and a rotating shaft sealingly engaged with an inner wall of the first cavity, the handle and the rotating shaft rotate synchronously, two positioning sleeves are disposed on a side of the rotating shaft facing the partition plate, the sealing member comprises a sealing ball and an elastic member, and the elastic member is inserted into the positioning sleeves and presses the sealing ball against the partition plate to block the water inlet.

5. The waterway switching valve of the faucet water purifier as recited in claim 4, wherein a stop piece for preventing the rotating shaft from being separated from the first cavity is fastened to an end of the transverse tube, and one end of the handle extends into the valve body and is fastened and fixed with the rotating shaft through the stop piece.

6. The waterway switching valve of a faucet water purifier as recited in any one of claims 2 to 5, wherein the valve member further comprises a sealing sheet disposed in the first cavity, the sealing sheet is provided with three water passing holes corresponding to the three water inlets, a side of the sealing sheet facing the partition plate is provided with a positioning rib disposed around the water passing holes, the positioning rib is inserted into the water inlets, and the sealing member blocks the water passing holes.

7. The waterway switching valve of a faucet water purifier as recited in any one of claims 2 to 5, wherein the valve body comprises a main body, a base and a threaded cover, the vertical pipe extends upward through the main body and is in threaded connection with the threaded cover, the valve core is further provided with a positioning plate, a clamping rib is arranged on the inner wall of the main body, the positioning plate is clamped between the clamping rib and the top wall of the main body, and the base is clamped and fixed with the main body.

8. The waterway switching valve of a faucet water purifier as recited in claim 1, wherein the raw water outlet is a central hole formed in the bottom of the valve body, the shower outlet is formed in the bottom of the valve body, and the shower outlet includes a plurality of shower holes formed around the outside of the central hole.

9. The waterway switching valve of a faucet water purifier as recited in claim 8, wherein the bottom of the valve core is further provided with a convex ring surrounding the outer side of the raw water converging channel, the convex ring is in sealing fit with the bottom wall of the valve body to form a transition cavity, and the transition cavity is communicated with the shower channel and the shower outlet.

10. A faucet water purifier, comprising a filter assembly and the waterway switching valve of one of claims 1 to 9, the filter assembly communicating with the water purifying port.