CN219636975U - Water-saving water purifying equipment - Google Patents

Abstract

The utility model provides water-saving water purification equipment, which comprises a filtering component and a cleaning component, wherein the filtering component comprises a membrane filter element, a first water pipe, a booster pump and a second water pipe, the cleaning component comprises a cleaning ingress pipe, a cleaning egress pipe and a water-saving valve, the water-saving valve comprises a valve seat, a movable valve core and a driving piece, and the valve seat is provided with a valve cavity, and a first channel, a second channel, a third channel and a fourth channel which are all communicated with the valve cavity; the movable valve core is provided with at least two communicating structures; the driving piece drives the movable valve core to rotate so as to enable the movable valve core to switch among a first conduction position, a second conduction position and a third conduction position, wherein in the first conduction position, one of the communication structures is communicated with the third channel and the fourth channel, in the second conduction position, one of the communication structures is communicated with the first channel and the second channel, the other communication structure is communicated with the third channel and the fourth channel, and in the third conduction position, one of the communication structures is communicated with the second channel and the third channel.

Description

Water-saving water purifying equipment

Technical Field

The utility model relates to the technical field of water conservation, in particular to a water-saving water purifying device.

Background

At present, along with the continuous promotion of people's living standard, people's quality requirement to drinking water also is continuously improving, based on this, can purify filterable water purification unit to water and obtain wide application.

After the water purifying equipment is used for a period of time, pollutants such as particulate matters, organic matters, inorganic scales and the like in water can be attached to the surface of the membrane filter element, so that the water outlet flux of the membrane filter element is reduced, and therefore, when the water purifying equipment is used for preparing water, the pure water amount is reduced, the concentrated water amount is increased, namely, the proportion of the pure water to the waste water is reduced, and the waste water amount is increased.

Disclosure of Invention

The utility model aims to provide a water-saving water purifying device, which solves the technical problems that the proportion of pure water to waste water is reduced and the amount of wasted water is increased due to the fact that pollutants are attached to a membrane filter element after the water purifying device in the prior art is used for a long time.

The utility model provides a water-saving water purifying device, comprising:

the filter assembly comprises a membrane filter element, a first water pipe, a booster pump and a second water pipe, wherein the membrane filter element is provided with a first water inlet, a pure water outlet and a wastewater outlet; the first water pipe is communicated with the first water inlet and is used for introducing water into the membrane filter element for filtering; the booster pump is arranged on the first water pipe and is used for increasing the water pressure in the first water pipe; the second water pipe is communicated with the wastewater outlet, and is used for discharging wastewater generated by the membrane filter element;

the cleaning assembly comprises a cleaning ingress pipe, a cleaning delivery pipe and a water-saving valve, wherein the water-saving valve comprises a valve seat, a movable valve core and a driving piece, the valve seat is provided with a valve cavity, a first channel, a second channel, a third channel and a fourth channel which are all communicated with the valve cavity, the first channel is communicated with the cleaning ingress pipe, the cleaning ingress pipe is used for introducing cleaning agent, the second channel is communicated with a pipe part of the first water pipe, which is positioned at the water inlet side of the booster pump, the third channel is communicated with the second water pipe, and the fourth channel is communicated with the cleaning delivery pipe; the movable valve core is arranged in the valve cavity, and at least two communication structures are formed on the movable valve core; the driving piece is arranged on the valve seat, the power output end of the driving piece is connected with the movable valve core, the driving piece drives the movable valve core to rotate so as to enable the movable valve core to be switched among a first conduction position, a second conduction position and a third conduction position, one of the communication structures is communicated with the third channel and the fourth channel when the first conduction position is adopted, one of the communication structures is communicated with the first channel and the second channel when the second conduction position is adopted, the other communication structure is communicated with the third channel and the fourth channel, and one of the communication structures is communicated with the second channel and the third channel when the third conduction position is adopted.

As an embodiment of the present utility model, the cleaning assembly further includes a reagent bottle containing a cleaning agent;

wherein, the one end that washs the ingress pipe and keep away from first passageway with the reagent bottle intercommunication.

As one embodiment of the utility model, the cleaning assembly further comprises a water guide pipe and a check valve, wherein one end of the water guide pipe is communicated with the agent bottle, and the other end of the water guide pipe is used for guiding water; the check valve is arranged on the water guide pipe and is used for preventing the cleaning agent in the agent bottle from flowing out through the water guide pipe.

As an embodiment of the utility model, the cleaning assembly further comprises a waste water ratio provided on the cleaning delivery tube, the waste water ratio being used to control the flow rate of the cleaning delivery tube.

As an embodiment of the present utility model, the filter assembly further includes a first electromagnetic valve, the first electromagnetic valve is disposed on the second water pipe, and the first electromagnetic valve is used for controlling on-off of the second water pipe.

As an embodiment of the present utility model, the filter assembly further includes a pre-filter element, a fourth water pipe, and a second solenoid valve;

the front filter element is provided with a second water inlet and a second water outlet; the fourth water pipe is communicated with the second water inlet and is used for introducing raw water into the front filter element; one end of the first water pipe, which is far away from the first water inlet, is communicated with the second water outlet, the second electromagnetic valve is arranged on the first water pipe, and the second electromagnetic valve is used for controlling the on-off of the first water pipe;

wherein, the second channel is communicated with a pipe part of the first water pipe between the booster pump and the second electromagnetic valve.

As one embodiment of the present utility model, the water-saving water purification apparatus further includes a filter housing in which the filter assembly is disposed, the filter housing being formed with a first through hole communicating with a pipe portion of the first water pipe on a water inlet side of the booster pump, and a second through hole communicating with an end of the second water pipe remote from the wastewater outlet;

wherein the first through hole is used for communicating with the second channel, and the second through hole is used for communicating with the third channel.

As one embodiment of the present utility model, the cleaning assembly further includes a cleaning housing, wherein the water-saving valve, the cleaning inlet pipe, the cleaning outlet pipe and the reagent bottle are all disposed in the cleaning housing, and the cleaning outlet pipe penetrates through the cleaning housing;

the cleaning assembly further comprises a first communicating pipe and a second communicating pipe, the first communicating pipe is communicated with the second channel, and the first communicating pipe penetrates out of the cleaning machine shell to be communicated with the first through hole; the second communicating pipe is communicated with the third channel, and the second communicating pipe penetrates out of the cleaning machine shell to be communicated with the second through hole.

As an embodiment of the present utility model, the water saving valve further includes a static valve core and a first sealing member;

the static valve core is clamped between the movable valve core and the cavity wall of the valve cavity, the static valve core is in sealing fit with the movable valve core, and a fifth through hole communicated with the first channel, a sixth through hole communicated with the second channel, a seventh through hole communicated with the third channel and an eighth through hole communicated with the fourth channel are formed on the static valve core; wherein when the movable valve core is at the first conducting position, one of the communication structures is communicated with the seventh through hole and the eighth through hole, and when the movable valve core is at the second conducting position, one of the communication structures is communicated with the fifth through hole and the sixth through hole, and the other communication structure is communicated with the seventh through hole and the eighth through hole;

the first sealing element is clamped between the static valve core and the cavity wall of the valve cavity and comprises a first sealing ring part, a second sealing ring part, a third sealing ring part and a fourth sealing ring part; the first sealing ring part surrounds the first channel and the fifth through hole, the second sealing ring part surrounds the second channel and the sixth through hole, the third sealing ring part surrounds the third channel and the seventh through hole, and the fourth sealing ring part surrounds the fourth channel and the eighth through hole.

As one embodiment of the utility model, the water-saving valve further comprises a pressing plate, the pressing plate is pressed on the movable valve core, the pressing plate is provided with an avoidance hole, the power output end of the driving piece penetrates through the avoidance hole to be connected with the movable valve core, and the pressing plate is in sealing abutting connection with the cavity wall of the valve cavity.

The implementation of the embodiment of the utility model has the following beneficial effects:

in the utility model, when the water-saving water purifying equipment normally produces water, the driving piece drives the movable valve core to rotate so as to be switched to the first conducting position, at the moment, one of the communication structures on the valve core is communicated with the third channel and the fourth channel, and wastewater generated by the membrane filter core is discharged through the second water pipe, the third channel, the fourth channel and the cleaning delivery pipe in sequence; when the water-saving water purifying equipment is cleaned, the driving piece drives the valve core to rotate so as to be switched to a second conduction position, at the moment, one of the communication structures on the valve core is communicated with the first channel and the second channel, and the second channel is communicated with the pipe part of the first water pipe, which is positioned at the water inlet side of the booster pump, so that after cleaning agent introduced through the cleaning ingress pipe sequentially passes through the first channel and the second channel and enters the second water pipe, the booster pump is started to pump the cleaning agent into the membrane filter core, and pollutants such as scale and the like on the surface of the membrane filter core are cleaned by the cleaning agent; in addition, the other communication structure on the valve core is also communicated with the third channel and the fourth channel, so that the cleaning agent and the pollutants discharged through the waste water outlet of the membrane filter core are discharged through the second water pipe, the third channel, the fourth channel and the cleaning delivery pipe in sequence; therefore, the membrane filter element is cleaned, the flux of the membrane filter element is recovered, the proportion of pure water and waste water is further improved, the discharge amount of the waste water is reduced, and the technical scheme is used for solving the technical problems that the proportion of the pure water and the waste water is reduced and the waste water amount is increased due to the fact that the membrane filter element is attached with pollutants after the water purifying equipment in the prior art is used for a long time.

Drawings

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

FIG. 1 is a schematic diagram of the overall structure of a water-saving water purification apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing an exploded structure of a water saving and purifying apparatus according to another embodiment of the present utility model;

FIG. 3 is a schematic diagram showing an exploded structure of a water saving and purifying apparatus according to another embodiment of the present utility model;

FIG. 4 is a schematic view showing an exploded structure of a water saving valve according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a water-saving valve in an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a moving valve element according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a movable valve element in a first conducting position according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a movable valve element in a second conducting position according to an embodiment of the present utility model;

fig. 9 is a schematic diagram of the movable valve core in the third conducting position according to an embodiment of the present utility model.

Wherein: 100. a water-saving water purifying device; 10. a filter assembly; 11. a membrane cartridge; 12. a first water pipe; 13. a booster pump; 14. a second water pipe; 15. a third water pipe; 16. a first electromagnetic valve; 17. a filter element is arranged in front; 18. a fourth water pipe; 19. a second electromagnetic valve; 20. cleaning the assembly; 21. cleaning the ingress pipe; 22. cleaning the delivery tube; 23. a water-saving valve; 231. a valve seat; 2311. a valve cavity; 2312. a first channel; 2313. a second channel; 2314. a third channel; 2315. a fourth channel; 2316. a first connecting pipe portion; 2317. a second connecting pipe section; 2318. a third connecting pipe section; 2319. a fourth connecting pipe section; 2320. a second connection hole; 232. a movable valve core; 2321. a communication structure; 23211. a first communication structure; 23212. a second communication structure; 233. a driving member; 2331. a convex eave part; 2332. a first connection hole; 234. a static valve core; 2341. a fifth through hole; 2342. a sixth through hole; 2343. a seventh through hole; 2344. an eighth through hole; 235. a first seal; 2351. a first seal ring portion; 2353. a third seal ring portion; 2354. a fourth seal ring portion; 236. a pressing plate; 2361. avoidance holes; 237. a second seal; 238. a third seal; 239. a connecting piece; 24. a reagent bottle; 25. a water conduit; 26. a non-return valve; 27. waste water ratio; 28. a cleaning machine shell; 29. a first communication pipe; 210. a second communicating pipe; 30. a filter housing; 40. a drinking water pipe; 50. a water inlet pipe.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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

Referring to fig. 1 to 9, an embodiment of the present utility model provides a water saving and purifying apparatus 100 including a filtering assembly 10 and a washing assembly 20.

The filter assembly 10 comprises a membrane filter element 11, a first water pipe 12, a booster pump 13 and a second water pipe 14, wherein the membrane filter element 11 is provided with a first water inlet, a pure water outlet and a wastewater outlet; the first water pipe 12 is communicated with the first water inlet, and the first water pipe 12 is used for introducing water into the membrane filter core 11 for filtering; the booster pump 13 is arranged on the first water pipe 12, and the booster pump 13 is used for increasing the water pressure in the first water pipe 12; the second water pipe 14 is communicated with the waste water outlet, and the second water pipe 14 is used for discharging waste water generated by the membrane filter element 11. When the water saving and purifying device 100 starts the water making process, the booster pump 13 is started to increase the water pressure in the first water pipe 12, so that the water in the first water pipe 12 can flow into the membrane filter core 11 through the first water inlet to perform reverse osmosis filtration, the water in the membrane filter core 11 is filtered to form pure water and waste water, the pure water is discharged through the pure water outlet, and the waste water enters the second water pipe 14 through the waste water outlet and is discharged through the second water pipe 14.

In some specific embodiments, the filter assembly 10 further includes a third water pipe 15, the third water pipe 15 communicating with the pure water outlet to drain out the pure water.

The cleaning assembly 20 comprises a cleaning inlet pipe 21, a cleaning outlet pipe 22 and a water-saving valve 23, wherein the water-saving valve 23 comprises a valve seat 231, a movable valve core 232 and a driving piece 233, the valve seat 231 is provided with a valve cavity 2311, a first channel 2312, a second channel 2313, a third channel 2314 and a fourth channel 2315 which are communicated with the valve cavity 2311, the first channel 2312 is communicated with the cleaning inlet pipe 21, the cleaning inlet pipe 21 is used for introducing cleaning agent, the second channel 2313 is communicated with a pipe part of the first water pipe 12, which is positioned on the water inlet side of the booster pump 13, the third channel 2314 is communicated with the second water pipe 14, and the fourth channel 2315 is communicated with the cleaning outlet pipe 22; the movable valve core 232 is disposed in the valve cavity 2311, and at least two communication structures 2321 are formed on the movable valve core 232; the driving member 233 is disposed on the valve seat 231, a power output end of the driving member 233 is connected to the moving valve core 232, the driving member 233 drives the moving valve core 232 to rotate so as to switch the moving valve core 232 between a first conducting position in which one of the communicating structures 2321 communicates with the third channel 2314 and the fourth channel 2315, and a second conducting position in which one of the communicating structures 2321 communicates with the first channel 2312 and the second channel 2313, and the other communicating structure 2321 communicates with the third channel 2314 and the fourth channel 2315.

In the present utility model, when the water-saving and purifying apparatus 100 is normally producing water, the driving member 233 drives the movable valve core 232 to rotate to switch to the first conducting position, at this time, one of the communicating structures 2321 on the valve core communicates with the third channel 2314 and the fourth channel 2315, and the waste water generated by the membrane filter core 11 is sequentially discharged through the second water pipe 14, the third channel 2314, the fourth channel 2315 and the cleaning delivery pipe 22; when the water saving and purifying device 100 is cleaned, the driving piece 233 drives the valve core 232 to rotate to switch to the second conducting position, at this time, one of the communicating structures 2321 on the valve core is communicated with the first channel 2312 and the second channel 2313, and the second channel 2313 is communicated with the pipe part of the first water pipe 12 on the water inlet side of the booster pump 13, so that after cleaning agent introduced through the cleaning inlet pipe 21 sequentially enters the second water pipe 14 through the first channel 2312 and the second channel 2313, the booster pump 13 is started to pump the cleaning agent into the membrane filter element 11, and pollutants such as scale on the surface of the membrane filter element 11 are cleaned by the cleaning agent; in addition, the other communication structure 2321 on the valve core is also communicated with the third channel 2314 and the fourth channel 2315, so that the cleaning agent and the pollutants discharged through the waste water outlet of the membrane filter core 11 are discharged through the second water pipe 14, the third channel 2314, the fourth channel 2315 and the cleaning delivery pipe 22 in sequence; therefore, the membrane filter element 11 is cleaned, the flux of the membrane filter element 11 is recovered, the proportion of pure water and wastewater is further improved, and the discharge amount of wastewater is reduced.

In one embodiment, referring to fig. 1-3 and 9, the driving member 233 may further drive the valve core to a third conducting position, where one of the communication structures 2321 communicates with the second channel 2313 and the third channel 2314.

Specifically, after the driving member 233 drives the valve core 232 to switch to the second conducting position for a period of time, the cleaning agent flows through the first channel 2312, the second channel 2313, the first water pipe 12, the membrane filter 11 and the second water pipe 14, so as to drain the original wastewater in the second water pipe 14; then, the driving member 233 drives the valve core 232 to rotate and switch to the third conducting position, at this time, one of the communicating structures 2321 on the valve core is communicated with the second channel 2313 and the third channel 2314, that is, the second channel 2313, the first water pipe 12, the membrane filter core 11, the second water pipe 14 and the third channel 2314 form a circulating water path, the second water pipe 14 also stores cleaning agent, and under the driving of the booster pump 13, the cleaning agent in the circulating water path continuously flows through the membrane filter core 11 to circularly wash the membrane filter core 11, so that the consumption of the cleaning agent is reduced.

By using the technical scheme, the technical problems that the proportion of pure water to waste water is reduced and the waste water is increased due to the fact that pollutants are attached to the membrane filter element 11 after the water purifying equipment in the prior art is used for a long time are solved.

In some embodiments, the cleaning agent may be an acid, a base, a surfactant, a bactericide, or the like.

In one embodiment, referring to fig. 1-3, the cleaning assembly 20 further includes a reagent bottle 24, the reagent bottle 24 containing a cleaning agent, wherein an end of the cleaning introduction tube 21 remote from the first channel 2312 communicates with the reagent bottle 24. That is, after the water saving and purifying apparatus 100 starts the cleaning process, the cleaning agent in the agent bottle 24 is introduced through the cleaning introduction pipe 21, and introduced into the membrane cartridge 11 through the first channel 2312, the second channel 2313, and the first water pipe 12.

In one embodiment, referring to fig. 1-3, the cleaning assembly 20 further includes a water conduit 25, one end of the water conduit 25 being in communication with the reagent bottle 24, and the other end of the water conduit 25 being for introducing water.

Specifically, the cleaning agent in the agent bottle 24 is solid or has high concentration, and after the water saving and purifying device 100 starts the cleaning procedure, an external water source is led into the agent bottle 24 through the water guide pipe 25 to dissolve the solid cleaning agent or dilute cleaning agent in the agent bottle 24, and then the cleaning machine is led out through the cleaning inlet pipe 21, so that the use times of the cleaning agent in the agent bottle 24 are increased.

In some specific embodiments, the water conduit 25 communicates with a tap water conduit, through which tap water is allowed to enter the reagent bottle 24 through the water conduit 25 by the pressure of the tap water itself.

In one embodiment, referring to fig. 1-3, the cleaning assembly 20 further includes a check valve 26, the check valve 26 being disposed on the water conduit 25, the check valve 26 being configured to prevent the cleaning agent in the agent bottle 24 from flowing out through the water conduit 25. I.e. an external water source can enter the reagent bottle 24 through the water conduit 25, but the detergent solution in the reagent bottle 24 cannot be discharged outside through the water conduit 25.

In one embodiment, referring to fig. 2, the cleaning assembly 20 further includes a waste water ratio 27, the waste water ratio 27 is disposed on the cleaning delivery pipe 22, and the waste water ratio 27 is used for controlling the flow of the cleaning delivery pipe 22, so as to perform flow-limiting pressure holding on the second water pipe 14 and the waste water outlet of the membrane filter element 11, which is beneficial for the membrane filter element 11 to increase the pressure for producing water.

In one embodiment, referring to fig. 1, the filter assembly 10 further includes a first electromagnetic valve 16, the first electromagnetic valve 16 is disposed on the second water pipe 14, the first electromagnetic valve 16 is used for controlling on-off of the second water pipe 14, and the first electromagnetic valve 16 is used for performing flow-limiting pressure holding on the wastewater outlet of the membrane filter element 11, so that the membrane filter element 11 is beneficial to improving pressure for water production.

In one embodiment, referring to fig. 1 and 2, the filter assembly 10 further includes a pre-filter cartridge 17 and a fourth water tube 18; the front filter element 17 is provided with a second water inlet and a second water outlet; the fourth water pipe 18 is communicated with the second water inlet, and the fourth water pipe 18 is used for introducing raw water into the pre-filter element 17; the end of the first water pipe 12, which is far away from the first water inlet, is communicated with the second water outlet.

Specifically, before the water is filtered through the membrane filter element 11, raw water is introduced into the pre-filter element 17 through the communication between the fourth water pipe 18 and the second water inlet, and the raw water is pre-filtered through the pre-filter element 17 to remove sediment, rust and other substances in the water; the primary filtered water formed after prefiltering by the pre-filter element 17 is led out from the second water outlet and enters the membrane filter element 11 through the first water pipe 12 for reverse osmosis filtration.

In some specific embodiments, the pre-cartridge 17 may be a cartridge formed of highly efficient activated carbon.

In one embodiment, referring to fig. 1 and 2, the filter assembly 10 further includes a second solenoid valve 19, the second solenoid valve 19 is disposed on the first water pipe 12, and the second solenoid valve 19 is located between the second water outlet and the booster pump 13, and the second solenoid valve 19 is used to control the passage of the first water pipe 12; wherein the second passage 2313 communicates with a pipe portion of the first water pipe 12 between the booster pump 13 and the second solenoid valve 19

Specifically, when the water-saving water purification apparatus 100 prepares water, the second electromagnetic valve 19 is opened so that the first water pipe 12 is in a communicating state, and the first electromagnetic valve 16 is opened so that the second water pipe 14 is in a communicating state; raw water introduced from the fourth water pipe 18 sequentially passes through the pre-filter element 17, the first water pipe 12 and the membrane filter element 11, formed pure water is led out through the third water pipe 15, and formed waste water is discharged through the second water pipe 14, the third channel 2314, the fourth channel 2315 and the cleaning delivery pipe 22; when the water saving and purifying device 100 is cleaned, the second electromagnetic valve 19 is closed, so that the front filter element 17 and the rear filter element are disconnected, namely, only the cleaning machine can enter the membrane filter element 11.

In one embodiment, referring to fig. 3, the water-saving water purifying apparatus 100 further includes a filter housing 30, the filter assembly 10 is disposed in the filter housing 30, the filter housing 30 is formed with a first through hole communicating with a pipe portion of the first water pipe 12 located at the water inlet side of the booster pump 13, and a second through hole communicating with an end of the second water pipe 14 remote from the wastewater outlet; wherein the first through hole is configured to communicate with the second channel 2313, and the second through hole is configured to communicate with the third channel 2314.

In this embodiment, the filter assembly 10 is integrated in the filter housing 30, the cleaning assembly 20 is located outside the filter housing 30, and in order to achieve communication between the cleaning assembly 20 and the filter assembly 10, the filter housing 30 is formed with a first through hole and a second through hole, the first through hole is communicated with the pipe portion of the first water pipe 12 located on the water inlet side of the booster pump 13, and the second through hole is communicated with one end of the second water pipe 14 away from the wastewater outlet; thus, when the communication between the cleaning assembly 20 and the filter assembly 10 is to be assembled, the second passage 2313 communicates with the first through-hole, thereby enabling communication of the second passage 2313 with the first water pipe 12, and the third passage 2314 communicates with the second through-hole, thereby enabling communication of the third passage 2314 with the second water pipe 14.

In some specific embodiments, the filter housing 30 is further formed with a third through hole, which communicates with an end of the third water pipe 15 remote from the pure water outlet, thereby achieving the extraction of pure water with respect to the filter housing 30.

In one embodiment, referring to fig. 3, the water saving and purifying apparatus 100 further includes a water drinking pipe 40, and the water drinking pipe 40 communicates with the third through hole, thereby achieving water receiving of pure water.

In some embodiments, the filter housing 30 is further formed with a fourth through hole, which communicates with an end of the fourth water pipe 18 remote from the second water inlet, thereby enabling the introduction of raw water into the filter housing 30.

In one embodiment, referring to fig. 3, the water saving and purifying apparatus 100 further includes a water inlet pipe 50, the water inlet pipe 50 communicating with the fourth hole, thereby enabling introduction of raw water.

In one embodiment, referring to fig. 3, the cleaning assembly 20 further includes a cleaning housing 28, and the water saving valve 23, the cleaning introduction tube 21, the cleaning delivery tube 22, and the reagent bottle 24 are all disposed within the cleaning housing 28 such that the cleaning assembly 20 is independently disposed with respect to the filter assembly 10.

In some specific embodiments, referring to fig. 3, the purge delivery tube 22 is disposed through the purge housing 28 such that the wastewater, cleaning agent, in the purge delivery tube 22 is discharged out of the purge housing 28.

In one embodiment, referring to fig. 3, the cleaning assembly 20 further includes a first communication pipe 29 and a second communication pipe 210, the first communication pipe 29 communicates with the second channel 2313, and the first communication pipe 29 penetrates the cleaning housing 28 to communicate with the first through hole, thereby communicating the second channel 2313 with the first through hole; the second communicating pipe 210 communicates with the third passage 2314, and the second communicating pipe 210 penetrates the washing machine case 28 to communicate with the second through hole, thereby realizing communication between the third passage 2314 and the second through hole. In some embodiments, referring to fig. 3, the water conduit 25 and the check valve 26 are housed within the washing housing 28, and the water conduit 25 is disposed through the washing housing 28.

In some specific embodiments, referring to fig. 3, the end of the water conduit 25 remote from the reagent bottle 24 communicates with the water inlet conduit 50 to direct raw water (tap water) into the reagent bottle 24.

The water saving valve 23 is further described as follows:

in some specific embodiments, referring to fig. 4 and 5, the first, second, third, and fourth channels 2312, 2313, 2314, 2315 each extend through a bottom wall of the valve cavity 2311, thereby enabling respective communication with the valve cavity 2311.

In some specific embodiments, referring to fig. 4 and 5, the valve spool is pressed against the bottom wall of the valve cavity 2311, and the communication structure 2321 is formed by a side of the valve spool facing the bottom wall of the valve spool.

In some specific embodiments, referring to fig. 6, the communication structure 2321 is specifically a communication slot.

In some specific embodiments, referring to fig. 6-9, the communication structures 2321 are provided in two, defined as a first communication structure 23211 and a second communication structure 23212, respectively; for example, when the driving piece 233 drives the spool 232 to switch to the first conduction position, the first communication structure 23211 communicates the third and fourth passages 2314 and 2315; when the driving piece 233 drives the spool 232 to switch to the second conduction position, the first communication structure 23211 communicates with the first and second passages 2312 and 2313, and the second communication structure 23212 communicates with the third and fourth passages 2314 and 2315; when the driving member 233 drives the spool 232 to switch to the third conduction position, the first communication structure 23211 communicates with the second and third passages 2313 and 2314, or the second communication structure 23212 communicates with the second and third passages 2313 and 2314.

In some specific embodiments, referring to fig. 4 and 5, the outer wall surface of the valve seat 231 is convexly formed with a first connection pipe portion 2316, the first connection pipe portion 2316 communicates with the first passage 2312, and communication of the first passage 2312 with the purge inlet pipe 21 is facilitated through the first connection pipe portion 2316.

In some specific embodiments, the outer wall surface of the valve seat 231 is convexly formed with a second connection pipe portion 2317, and the second connection pipe portion 2317 communicates with the second passage 2313, so that the second passage 2313 communicates with the first water pipe 12 through the second connection pipe portion 2317.

In some specific embodiments, referring to fig. 4 and 5, the outer wall surface of the valve seat 231 is convexly formed with a third connection pipe portion 2318, the third connection pipe portion 2318 communicates with the third passage 2314, and communication of the third passage 2314 with the second water pipe 14 is facilitated through the third connection pipe portion 2318.

In some specific embodiments, referring to fig. 4 and 5, the outer wall surface of the valve seat 231 is convexly formed with a fourth connection pipe portion 2319, the fourth connection pipe portion 2319 communicates with the fourth passage 2315, and the communication of the fourth passage 2315 with the purge delivery pipe 22 is facilitated through the fourth connection pipe portion 2319.

In one embodiment, referring to fig. 4 and 5, the water saving valve 23 further includes a static valve core 234 and a first seal 235.

Specifically, the static valve element 234 is sandwiched between the movable valve element 232 and a cavity wall of the valve cavity 2311, and the static valve element 234 is in sealing fit with the movable valve element 232, and the static valve element 234 is formed with a fifth through hole 2341 communicating with the first passage 2312, a sixth through hole 2342 communicating with the second passage 2313, a seventh through hole 2343 communicating with the third passage 2314, and an eighth through hole 2344 communicating with the fourth passage 2315; wherein, when the movable spool 232 is in the first conductive position, one of the communication structures 2321 communicates with the seventh through hole 2343 and the eighth through hole so as to realize communication between the third passage 2314 and the fourth passage 2315, and when the movable spool 232 is in the second conductive position, one of the communication structures 2321 communicates with the fifth through hole 2341 and the sixth through hole 2342 so as to realize communication between the first passage 2312 and the second passage 2313, and the other of the communication structures 2321 communicates with the seventh through hole 2343 and the eighth through hole 2344 so as to realize communication between the third passage 2314 and the fourth passage 2315.

Correspondingly, when the movable spool 232 is in the third conductive position, one of the communication structures 2321 communicates with the sixth through hole 2342 and the seventh through hole 2343, thereby enabling communication between the second passage 2313 and the third passage 2314.

In some particular embodiments, the stationary spool 234, the movable spool 232 are made of ceramic sheet material such that the stationary spool 234 and the movable spool 232 can be sealingly engaged together to provide sealed communication of the first and second passages 2312, 2314 and 2315, and 2313 and 2314.

Referring to fig. 4 and 5, the first sealing member 235 is sandwiched between the static valve core 234 and a cavity wall of the valve cavity 2311, and the first sealing member 235 includes a first sealing ring portion 2351, a second sealing ring portion, a third sealing ring portion 2353, and a fourth sealing ring portion 2354; the first sealing ring portion 2351 is disposed around the first channel 2312 and the fifth through hole 2341, so that the first channel 2312 and the fifth through hole 2341 are in sealing communication; the second sealing ring portion is disposed around the second channel 2313 and the sixth through hole 2342, so that the second channel 2313 and the sixth through hole 2342 are in sealing communication; the third sealing ring portion 2353 is disposed around the third passage 2314 and the seventh through hole 2343, so that the third passage 2314 and the seventh through hole 2343 are in sealed communication; the fourth sealing ring portion 2354 is disposed around the fourth passage 2315 and the eighth through hole 2344, so that the fourth passage 2315 and the eighth through hole 2344 are in sealed communication.

In some specific embodiments, the first seal 235 further includes a plurality of connection portions (not shown) through which the first seal ring portion 2351, the second seal ring portion, the third seal ring portion 2353, and the fourth seal ring portion 2354 are connected together.

In some specific embodiments, a connection portion is provided between the first seal ring portion 2351 and the second seal ring portion, a connection portion is provided between the second seal ring portion and the third seal ring portion 2353, a connection portion is provided between the third seal ring portion 2353 and the fourth seal ring portion 2354, and a connection portion is provided between the fourth seal ring portion 2354 and the first seal ring portion 2351, thereby improving the overall stability of the first seal 235.

In one embodiment, referring to fig. 4 and 5, the water saving valve 23 further includes a pressing plate 236, the pressing plate 236 is pressed against the moving valve core 232, the pressing plate 236 is formed with a relief hole 2361, and the power output end of the driving member 233 is connected to the moving valve core 232 through the relief hole 2361. Thereby pressing the movable spool 232 against the stationary spool 234 through the pressure plate 236, further improving the fit between the movable spool 232 and the stationary spool 234.

In some specific embodiments, the pressing plate 236 is in sealing abutment with the cavity wall of the valve cavity 2311, so that, on one hand, the pressing plate 236 is fixed relative to the valve seat 231, and on the other hand, the valve cavity 2311 is sealed by the pressing plate 236.

In one embodiment, referring to fig. 5, the water saving valve 23 further includes a second seal 237, the second seal 237 being interposed between the pressing plate 236 and the cavity wall of the valve cavity 2311, thereby improving the sealability between the pressing plate 236 and the cavity wall of the valve cavity 2311.

In one embodiment, the water saving valve 23 further includes a third sealing member 238, and the third sealing member 238 is sandwiched between the pressing plate 236 and the movable valve element 232, thereby improving the sealing engagement between the pressing plate 236 and the movable valve element 232.

Referring to fig. 4, the driving member 233 is formed with a ledge 2331, and the ledge 2331 abuts against an end surface of the valve seat 231, thereby closing the valve cavity 2311 by the driving member 233.

In some specific embodiments, referring to fig. 4 and 5, the ledge 2331 is formed with a first connection hole 2332 and the valve seat 231 is formed with a second connection hole 2320; the water saving valve 23 further includes a connection member 239, and the connection member 239 is sequentially inserted into the first connection hole 2332 and the second connection hole 2320, thereby achieving the installation of the driving member 233 with respect to the valve seat 231.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.

Claims (10)

1. A water saving and purifying apparatus, comprising:

the filter assembly comprises a membrane filter element, a first water pipe, a booster pump and a second water pipe, wherein the membrane filter element is provided with a first water inlet, a pure water outlet and a wastewater outlet; the first water pipe is communicated with the first water inlet and is used for introducing water into the membrane filter element for filtering; the booster pump is arranged on the first water pipe and is used for increasing the water pressure in the first water pipe; the second water pipe is communicated with the wastewater outlet, and is used for discharging wastewater generated by the membrane filter element;

the cleaning assembly comprises a cleaning ingress pipe, a cleaning delivery pipe and a water-saving valve, wherein the water-saving valve comprises a valve seat, a movable valve core and a driving piece, the valve seat is provided with a valve cavity, a first channel, a second channel, a third channel and a fourth channel which are all communicated with the valve cavity, the first channel is communicated with the cleaning ingress pipe, the cleaning ingress pipe is used for introducing cleaning agent, the second channel is communicated with a pipe part of the first water pipe, which is positioned at the water inlet side of the booster pump, the third channel is communicated with the second water pipe, and the fourth channel is communicated with the cleaning delivery pipe; the movable valve core is arranged in the valve cavity, and at least two communication structures are formed on the movable valve core; the driving piece is arranged on the valve seat, the power output end of the driving piece is connected with the movable valve core, the driving piece drives the movable valve core to rotate so as to enable the movable valve core to be switched among a first conduction position, a second conduction position and a third conduction position, one of the communication structures is communicated with the third channel and the fourth channel when the first conduction position is adopted, one of the communication structures is communicated with the first channel and the second channel when the second conduction position is adopted, the other communication structure is communicated with the third channel and the fourth channel, and one of the communication structures is communicated with the second channel and the third channel when the third conduction position is adopted.

2. The water conservation water purification device of claim 1 wherein the cleaning assembly further comprises a reagent bottle containing a cleaning agent;

wherein, the one end that washs the ingress pipe and keep away from first passageway with the reagent bottle intercommunication.

3. The water conservation water purification apparatus of claim 2 wherein the cleaning assembly further comprises a water conduit and a check valve, one end of the water conduit being in communication with the reagent bottle, the other end of the water conduit being for introducing water; the check valve is arranged on the water guide pipe and is used for preventing the cleaning agent in the agent bottle from flowing out through the water guide pipe.

4. The water conservation water purifier of claim 1 wherein the cleaning assembly further comprises a waste water ratio disposed on the cleaning delivery line, the waste water ratio being used to control the flow rate of the cleaning delivery line.

5. The water conservation water purification apparatus of claim 1 wherein the filter assembly further comprises a first solenoid valve disposed on the second water pipe, the first solenoid valve being configured to control the on-off of the second water pipe.

6. The water conservation water purification device of claim 1 wherein the filter assembly further comprises a pre-filter element, a fourth water tube, and a second solenoid valve;

the front filter element is provided with a second water inlet and a second water outlet; the fourth water pipe is communicated with the second water inlet and is used for introducing raw water into the front filter element; one end of the first water pipe, which is far away from the first water inlet, is communicated with the second water outlet, the second electromagnetic valve is arranged on the first water pipe, and the second electromagnetic valve is used for controlling the on-off of the first water pipe;

wherein, the second channel is communicated with a pipe part of the first water pipe between the booster pump and the second electromagnetic valve.

7. The water-saving and purifying apparatus according to claim 2, further comprising a filter housing in which the filter assembly is provided, the filter housing being formed with a first through hole communicating with a pipe portion of the first water pipe on the water inlet side of the booster pump, and a second through hole communicating with an end of the second water pipe remote from the wastewater outlet;

wherein the first through hole is used for communicating with the second channel, and the second through hole is used for communicating with the third channel.

8. The water conservation water purification apparatus of claim 7 wherein the cleaning assembly further comprises a cleaning housing, the water conservation valve, the cleaning ingress pipe, the cleaning egress pipe, and the reagent bottle are all disposed within the cleaning housing, and the cleaning egress pipe is disposed through the cleaning housing;

the cleaning assembly further comprises a first communicating pipe and a second communicating pipe, the first communicating pipe is communicated with the second channel, and the first communicating pipe penetrates out of the cleaning machine shell to be communicated with the first through hole; the second communicating pipe is communicated with the third channel, and the second communicating pipe penetrates out of the cleaning machine shell to be communicated with the second through hole.

9. The water conservation water purification device according to any one of claims 1 to 8 wherein the water conservation valve further comprises a static valve element and a first seal;

the static valve core is clamped between the movable valve core and the cavity wall of the valve cavity, the static valve core is in sealing fit with the movable valve core, and a fifth through hole communicated with the first channel, a sixth through hole communicated with the second channel, a seventh through hole communicated with the third channel and an eighth through hole communicated with the fourth channel are formed on the static valve core; wherein when the movable valve core is at the first conducting position, one of the communication structures is communicated with the seventh through hole and the eighth through hole, and when the movable valve core is at the second conducting position, one of the communication structures is communicated with the fifth through hole and the sixth through hole, and the other communication structure is communicated with the seventh through hole and the eighth through hole;

the first sealing element is clamped between the static valve core and the cavity wall of the valve cavity and comprises a first sealing ring part, a second sealing ring part, a third sealing ring part and a fourth sealing ring part; the first sealing ring part surrounds the first channel and the fifth through hole, the second sealing ring part surrounds the second channel and the sixth through hole, the third sealing ring part surrounds the third channel and the seventh through hole, and the fourth sealing ring part surrounds the fourth channel and the eighth through hole.

10. The water-saving and water-purifying device according to any one of claims 1 to 8, further comprising a pressing plate, wherein the pressing plate is pressed on the movable valve core, the pressing plate is formed with an avoidance hole, the power output end of the driving member passes through the avoidance hole to be connected with the movable valve core, and the pressing plate is in sealing abutting connection with the cavity wall of the valve cavity.