CN219526334U - Bench water purifier, flow guide assembly for a filter device and actuating element for a filter device - Google Patents

Abstract

The present utility model provides a bench water purifier, a flow guide assembly for a filter device and an actuating element for a filter device, wherein the bench water purifier comprises a first filter device, a base and a control valve, wherein the first filter device and the control valve are both arranged at the base, wherein the first filter device comprises a first housing and a first filter cartridge, wherein the first housing forms a first receiving chamber, wherein the first filter cartridge is arranged in the first receiving chamber, and the first housing and the first filter cartridge form a first water flow channel therebetween, wherein the first filter device has a first water flow opening, a second water flow opening and a third water flow opening, the control valve comprises a valve body and a valve cartridge, wherein the valve body forms a valve chamber, a first opening, a second opening, a third opening and a drain opening.

Description

Bench water purifier, flow guide assembly for a filter device and actuating element for a filter device

Technical Field

The utility model relates to a water treatment system, in particular to a bench water purifier, wherein the bench water purifier can control raw water to flush the outer surface of a primary filter element in a forward direction and prolong the service life of the primary filter element. In addition, when the on-bench water purifier controls raw water to flush the outer surface of the primary filter element in the forward direction, generated sewage or wastewater is discharged from a sewage disposal channel independent of the water purification channel, so that the sewage or wastewater is prevented from polluting the water purification channel. The utility model further relates to a flow guiding assembly and an actuating element for a filter device.

Background

In many countries, especially in developing countries, water pollution problems become more and more serious with the continuous development of industry and agriculture, and the water source of domestic water for people is also affected by light or heavy weight. In addition, the quality of tap water is affected by the external environment and the water supply pipeline. For example, excessive sand content in the tap water source, ageing of the pipe network, poor quality of the tap water pipe, lack of cleaning of the water supply pipe network for a long time and the like can affect the quality of tap water. Therefore, tap water in many countries is of poor quality and unsuitable for direct drinking under the influence of many factors.

The water purifier is also called a water purifier, and can purify raw water (such as tap water) according to the requirements of users so as to meet the needs of people. The water purifier can effectively remove impurities such as sediment, colloid, rust, bacteria, even heavy metal ions and the like in raw water through the filtering effect of the filtering device, so that the quality of domestic water is improved and improved, and the water purifier is increasingly favored by consumers. The existing household water purifiers for purifying tap water are various in types and can be divided into a full house water purifier, a kitchen ultrafiltration water purifier, an RO membrane water purifier, a bench water purifier, a tap water purifier and the like according to the installation mode and the function. These water purifying apparatuses have advantages and disadvantages. For example, large-scale water purifiers such as a kitchen ultrafiltration water purifier, an RO membrane water purifier and the like have large flow and good purifying effect. The water purifier on the table has small volume, convenient installation and disassembly, and can automatically purify tap water under tap water pressure without electric energy. However, large-sized water purifiers such as ultrafiltration water purifiers under kitchen and RO membrane water purifiers are limited in application due to the fact that the large-sized water purifiers are complex in structure and large in size. The tap water purifier has small whole volume, smaller filter element and general purification effect on raw water.

The bench water purifier is larger than the tap water purifier, can accommodate a larger filter element, can be provided with two stages of filter elements, does not need additional electric drive, and can be installed above a wash platform for use. Therefore, the bench water purifier is favored by partial consumers because of the advantages of the large water purifier and the small tap water purifier and the defects of the large water purifier and the small tap water purifier are partially overcome.

However, the existing water purifier on the table has a plurality of defects. For example, many existing on-board water purifiers, particularly those having multiple stages of filter elements, lack the mechanism or means to clean their primary filter elements, resulting in contaminants being deposited on the surfaces of the primary filter elements after a period of time for treating raw water (e.g., tap water), impeding the flow of water. The filter element of the filtering device of the bench water purifier is blocked by dirt, so that the generated purified water flow is too small, the water purifying function is reduced, and even the bench water purifier cannot be used.

Disclosure of Invention

The main advantage of the present utility model is to provide a water purifier on a counter, wherein the water purifier on a counter of the present utility model is suitable for being mounted on a counter surface of a hand washing counter. Further, the bench water purifier provided by the utility model is provided with at least one first-stage filter element, and the bench water purifier can control raw water to flush the surface of the first-stage filter element in a forward direction so as to improve the purification effect and prolong the service life of the bench water purifier.

Another advantage of the present utility model is to provide a bench-top water purifier in which the generated sewage or wastewater is discharged from a sewage discharge channel independent of a water purification channel when the bench-top water purifier controls raw water to wash the outer surface of a primary filter element in a forward direction, so as to prevent the sewage or wastewater from contaminating the water purification channel.

Another advantage of the present utility model is to provide a control valve for a bench-top water purifier, wherein the control valve can control raw water to flush the surface of a primary filter element thereof in a forward direction and allow sewage or wastewater generated by the forward flushing to be discharged from an independent drain.

Another advantage of the present utility model is to provide a filtering apparatus for purifying raw water, wherein the filtering apparatus can prevent clogging of a water inlet end thereof and bacteria growth at a water outlet end thereof.

Other objects and features of the present utility model will become more fully apparent from the following detailed description and may be learned by the practice of the utility model as set forth hereinafter particularly as set forth in the appended claims.

In accordance with one aspect of the present utility model, the on-counter water purifier of the present utility model capable of achieving the foregoing and other objects and advantages includes:

a first filter device;

a base; and

A control valve, wherein the first filter device and the control valve are both disposed in the base, wherein the first filter device comprises a first housing and a first filter cartridge, wherein the first housing forms a first receiving chamber, wherein the first filter cartridge is disposed within the first receiving chamber, and the first housing and the first filter cartridge form a first water flow passage therebetween, wherein the first filter device has a first water flow opening, a second water flow opening and a third water flow opening, the control valve comprises a valve body and a valve cartridge, wherein the valve body forms a valve chamber, a first opening, a second opening, a third opening and a drain opening, wherein the first water flow opening of the first filter device is in communication with the first water flow passage of the first filter device, the second water flow opening of the first filter device is in communication with the first opening of the control valve, and the third water flow opening of the first filter device is in communication with the first water flow opening of the first filter device and the first water flow opening of the control valve, respectively.

According to another aspect of the present utility model, there is further provided another on-counter water purifier, comprising:

a first filter device;

a base; and

a control valve, wherein the first filter device and the control valve are both disposed in the base, wherein the first filter device comprises a first housing and a first filter cartridge, wherein the first housing forms a first receiving chamber, wherein the first filter cartridge is disposed in the first receiving chamber, and the first housing and the first filter cartridge form a first water flow passage therebetween, wherein the first filter device has a first water flow opening, a second water flow opening and a third water flow opening, the control valve comprises a valve body and a valve cartridge, wherein the valve body forms a valve chamber, a first opening, a second opening, a third opening, a fourth opening, a blowdown opening and a raw water inlet, wherein the first water flow opening of the first filter device is in communication with the fourth opening of the control valve and the first water flow passage of the first filter device, respectively, the second opening of the first filter device is in communication with the first raw water flow opening of the control valve, the second opening of the first filter device is in communication with the first water flow opening of the control valve, and the first filter device is in communication with the first water flow opening of the control valve, respectively.

According to another aspect of the present utility model, there is further provided a flow directing assembly for a filter device, comprising:

a first base; and

a baffle sleeve, wherein the baffle sleeve extends upward from the first base, and the baffle sleeve is configured to surround the ultrafiltration membrane filaments of the filtration device.

According to another aspect of the present utility model, there is further provided an actuating element for a filter device, comprising:

an actuator; and

a drive member extending from the actuator member, wherein the actuator member is adapted to be movably disposed between a top end of a first filter cartridge of the filter device and a first housing of the filter device, the drive member being adapted to pass out of an operative aperture of the first housing.

The foregoing and other advantages of the utility model will become more fully apparent from the following description and appended drawings.

The above and other advantages and features of the present utility model will become more fully apparent from the following detailed description, the accompanying drawings, and the claims.

Drawings

Fig. 1 is a front view of a bench-top water purifier according to a first embodiment of the utility model.

Fig. 2 is an assembly view of the above-mentioned bench water purifier according to the first novel embodiment of the present utility model.

Fig. 3 is another perspective view of the above-mentioned bench-top water purifier according to the first embodiment of the present utility model, wherein the figure shows the bottom structure of the bench-top water purifier according to the present utility model.

Fig. 4A is a cross-sectional view of the above-described bench water purifier according to the first embodiment of the present utility model.

Fig. 4B is another cross-sectional view of the above-mentioned on-table water purifier according to the first embodiment of the present utility model.

Fig. 5 is a perspective view of a first filter cartridge of the first filtering apparatus of the above-mentioned bench-top water purifier according to the first embodiment of the utility model.

Fig. 6A is a first purifying layer of the second filter cartridge of the second filtering apparatus of the bench-top water purifier according to the first embodiment of the utility model.

Fig. 6B is a second purifying layer of the second filter cartridge of the second filtering apparatus of the bench-top water purifier according to the first embodiment of the utility model.

Fig. 7A is a perspective view of the base of the above-mentioned on-table water purifier according to the first embodiment of the present utility model.

Fig. 7B is another perspective view of the base of the above-mentioned on-table water purifier according to the first embodiment of the present utility model.

Fig. 7C is a cross-sectional view of the base of the above-mentioned on-table water purifier according to the first embodiment of the present utility model.

Fig. 8A is a perspective view of the control valve of the above-mentioned on-table water purifier according to the first embodiment of the present utility model.

Fig. 8B is an assembly view of the control valve of the above-mentioned bench water purifier according to the first embodiment of the present utility model.

Fig. 9A is a perspective view of the valve body of the control valve of the above-mentioned bench water purifier according to the first embodiment of the present utility model.

Fig. 9B is another perspective view of the valve body of the control valve of the above-mentioned bench water purifier according to the first embodiment of the present utility model.

Fig. 9C is a cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the first embodiment of the utility model.

Fig. 9D is another cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the first embodiment of the utility model.

Fig. 9E is another cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the first embodiment of the utility model.

Fig. 9F is another cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the first embodiment of the utility model.

Fig. 10 is a sectional view of the control valve of the above-described bench water purifier according to the first embodiment of the utility model.

Fig. 11A is a perspective view of a valve body of the control valve of the above-mentioned bench water purifier according to the first embodiment of the utility model.

Fig. 11B is a cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the first embodiment of the utility model.

Fig. 11C is a perspective view of the fixing portion of the fixed valve plate of the valve body of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 11D is another perspective view of the fixing portion of the fixed valve plate of the valve body of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 11E is a perspective view of the first end portion and the fixing portion of the valve plate of the valve body of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 11F is a perspective view of the fixing bracket of the fixing device of the on-table water purifier according to the first embodiment of the present utility model.

Fig. 12A is another perspective view of the fixed valve plate of the valve body of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 12B is a top view of the valve plate of the valve body of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 12C is a bottom view of the valve plate of the valve body of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 12D is a perspective view of the movable valve plate of the valve body of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 12E is a top view of the movable valve plate of the valve body of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 12F is a bottom view of the movable valve plate of the valve body of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 13A is a schematic view showing the structure of the above-mentioned on-table water purifier according to the first embodiment of the present utility model, wherein the on-table water purifier is shown in a purifying operation state, and an arrow is directed in a water flow direction.

Fig. 13B is a schematic view of the structure of the above-mentioned on-table water purifier according to the first embodiment of the present utility model, wherein the on-table water purifier is shown in a forward flushing operation state, and an arrow is pointed in a water flow direction.

Fig. 14A is a schematic structural view of the valve plate of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 14B is a schematic structural view of a movable valve plate of the control valve of the bench water purifier according to the first embodiment of the utility model, wherein the broken line in the drawing shows the conducting channel of the movable valve plate.

Fig. 14C is an isometric view of the fixed valve plate of the control valve of the bench water purifier according to the first embodiment of the utility model, wherein the fixed valve plate is provided with the channels at specific equally-divided positions.

Fig. 14D is an isometric view of the movable valve plate of the control valve of the bench water purifier according to the first embodiment of the utility model, wherein the movable valve plate is shown with each channel disposed at a specific isometric position.

Fig. 14E is a schematic diagram illustrating communication between the channel of the movable valve plate and the channel of the fixed valve plate of the control valve when the control valve of the bench water purifier according to the first embodiment of the utility model is in the first working position, wherein the shaded portion in the figure illustrates the channel of the movable valve plate and the channel of the fixed valve plate of the control valve which are mutually communicated.

Fig. 14F is a schematic diagram showing communication between the channel of the movable valve plate and the channel of the fixed valve plate of the control valve when the control valve of the bench water purifier according to the first embodiment of the utility model is in the second working position, wherein the shaded portion in the figure shows the channel of the movable valve plate and the fixed valve plate of the control valve which are mutually communicated.

Fig. 15A shows an alternative implementation of the control valve of the above-described on-counter water purifier according to the first embodiment of the present utility model.

Fig. 15B is an assembly view showing an alternative implementation of the control valve of the above-mentioned on-table water purifier according to the first embodiment of the present utility model.

Fig. 16A is a perspective view of a valve body of an alternative implementation of the control valve of the above-mentioned bench water purifier according to the first embodiment of the utility model.

Fig. 16B is another perspective view of the valve body of the alternative implementation of the control valve of the above-mentioned bench-top water purifier according to the first embodiment of the utility model.

Fig. 16C is a cross-sectional view of a valve body of an alternative implementation of the control valve of the above-described bench-top water purifier according to the first embodiment of the utility model.

Fig. 16D is another cross-sectional view of the valve body of the alternative implementation of the control valve of the above-mentioned bench-top water purifier according to the first embodiment of the utility model.

Fig. 16E is another cross-sectional view of the valve body of the alternative implementation of the control valve of the above-described bench-top water purifier according to the first embodiment of the utility model.

Fig. 16F is another cross-sectional view of the valve body of the alternative implementation of the control valve of the above-mentioned bench-top water purifier according to the first embodiment of the utility model.

Fig. 17 is a cross-sectional view of an alternative implementation of the control valve of the above-described bench-top water purifier according to the first embodiment of the utility model.

Fig. 18A is a perspective view of a valve cartridge of an alternative implementation of the control valve of the above-mentioned bench water purifier according to the first embodiment of the utility model.

Fig. 18B is a cross-sectional view of a valve cartridge of an alternative implementation of the control valve of the above-described bench water purifier according to the first embodiment of the utility model.

Fig. 18C is a perspective view of a fixing portion of a valve plate of a valve body of an alternative embodiment of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 18D is another perspective view of the fixing part of the fixed valve plate of the valve body of the alternative embodiment of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 18E is a perspective view of a first end portion and a fixing portion of a valve plate of a valve body of an alternative embodiment of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 18F is a perspective view of the fixing bracket of the fixing device of the bench water purifier according to the first embodiment of the utility model.

Fig. 19A is another perspective view of the valve plate of the valve cartridge of the above-mentioned alternative embodiment of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 19B is a top view of a valve plate of an alternative embodiment of a control valve of the above-mentioned bench water purifier according to the first embodiment of the utility model.

Fig. 19C is a bottom view of the valve plate of the valve cartridge of the above-mentioned alternative embodiment of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 19D is a perspective view of a movable valve plate of a valve body of an alternative embodiment of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 19E is a top view of a movable valve plate of a valve body of an alternative embodiment of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 19F is a bottom view of a movable valve plate of a valve cartridge of an alternative embodiment of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 20A is a schematic structural view of the above-mentioned alternative implementation of the on-table water purifier according to the first embodiment of the present utility model, wherein the on-table water purifier is shown in a purifying operation state, and an arrow is directed in a water flow direction.

Fig. 20B is a schematic structural view of the above-mentioned alternative implementation of the on-table water purifier according to the first embodiment of the present utility model, wherein the on-table water purifier is shown in a forward flushing operation state, and an arrow is pointed in a water flow direction.

Fig. 21A is a schematic structural view of a fixed valve plate of an alternative implementation of the control valve of the bench water purifier according to the first embodiment of the utility model.

Fig. 21B is a schematic structural view of a movable valve plate of an alternative implementation of the control valve of the bench water purifier according to the first embodiment of the utility model, wherein a dotted line in the figure shows a conducting channel of the movable valve plate.

Fig. 21C is a schematic illustration of the bisection of the fixed valve plate of the control valve of the bench water purifier according to the first embodiment of the utility model, wherein the figure shows that each channel is disposed at a specific bisection position of the fixed valve plate.

Fig. 21D is a schematic illustration of an aliquoting of a movable valve plate of an alternative implementation of the control valve of the bench water purifier according to the first embodiment of the utility model, wherein the figure shows that each channel is disposed at a specific aliquoting position of the movable valve plate.

Fig. 21E is a schematic diagram showing communication between the passage of the movable valve plate and the passage of the fixed valve plate of the control valve when the control valve of the bench water purifier according to the first embodiment of the utility model is in the first working position, wherein the hatched portion in the figure shows the passage of the movable valve plate and the fixed valve plate of the control valve that are in communication with each other.

Fig. 21F is a schematic diagram showing communication between the passage of the movable valve plate and the passage of the fixed valve plate of the control valve when the control valve of the bench water purifier according to the first embodiment of the utility model is selectively implemented in the second working position, wherein the hatched portion in the figure shows the passage of the movable valve plate and the fixed valve plate of the control valve that are mutually communicated.

Fig. 22 is an assembly view of the above-mentioned bench water purifier according to the second embodiment of the present utility model.

Fig. 23 is another perspective view of the above-mentioned bench-top water purifier according to the second embodiment of the utility model, in which the bottom structure of the bench-top water purifier according to the utility model is shown.

Fig. 24A is a cross-sectional view of the above-described bench water purifier according to the second embodiment of the present utility model.

Fig. 24B is another cross-sectional view of the above-mentioned bench-top water purifier according to the second embodiment of the present utility model.

Fig. 25A is a perspective view of the base of the above-mentioned on-table water purifier according to the second embodiment of the present utility model.

Fig. 25B is another perspective view of the base of the above-mentioned on-table water purifier according to the second embodiment of the present utility model.

Fig. 25C is a cross-sectional view of the base of the above-mentioned on-table water purifier according to the second embodiment of the present utility model.

Fig. 26A is a perspective view of the control valve of the above-mentioned on-table water purifier according to the second embodiment of the present utility model.

Fig. 26B is an assembly view of the control valve of the above-mentioned bench water purifier according to the second embodiment of the present utility model.

Fig. 27A is a perspective view of a valve body of the control valve of the above-described bench water purifier according to the second embodiment of the present utility model.

Fig. 27B is another perspective view of the valve body of the control valve of the above-mentioned bench water purifier according to the second embodiment of the present utility model.

Fig. 27C is a cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 27D is another cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 27E is another cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 27F is another cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 27G is another cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 27H is another cross-sectional view of the valve body of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 28 is a sectional view of the control valve of the above-mentioned bench water purifier according to the second embodiment of the utility model.

Fig. 29A is a perspective view of a valve body of the control valve of the above-mentioned bench water purifier according to the second embodiment of the utility model.

Fig. 29B is a cross-sectional view of a valve body of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 29C is a perspective view of a fixing portion of a fixed valve plate of a valve body of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 29D is another perspective view of the fixing part of the fixed valve plate of the valve body of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 29E is a perspective view of the first end portion and the fixing portion of the valve body of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 29F is a perspective view of a fixing bracket of the fixing device of the bench water purifier according to the second embodiment of the utility model.

Fig. 30A is another perspective view of the fixed valve plate of the valve body of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 30B is a top view of the valve plate of the valve body of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 30C is a bottom view of the valve plate of the valve body of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 30D is a perspective view of a movable valve plate of a valve body of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 30E is a top view of the movable valve plate of the valve body of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 30F is a bottom view of the movable valve plate of the valve body of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 31A is a schematic view showing the structure of the above-mentioned on-table water purifier according to the second embodiment of the present utility model, wherein the on-table water purifier is shown in a purifying operation state, and an arrow is directed in a water flow direction.

Fig. 31B is a schematic view of the structure of the above-mentioned on-table water purifier according to the second embodiment of the present utility model, wherein the on-table water purifier is shown in a forward flushing operation state, and an arrow is pointed in a water flow direction.

Fig. 32A is a schematic structural view of a valve plate of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 32B is a schematic structural view of a movable valve plate of the control valve of the bench water purifier according to the second embodiment of the utility model, wherein the broken line in the drawing shows the conducting channel of the movable valve plate.

Fig. 32C is an isometric view of a fixed valve plate of the control valve of the above-mentioned bench water purifier according to the second embodiment of the utility model, wherein the figure shows that each channel is disposed at a specific isometric position of the fixed valve plate.

Fig. 32D is an isometric view of a movable valve plate of the control valve of the bench water purifier according to the second embodiment of the utility model, wherein the movable valve plate is shown with each channel disposed at a specific isometric position.

Fig. 32E is a schematic diagram showing communication between the channel of the movable valve plate and the channel of the fixed valve plate of the control valve when the control valve of the bench water purifier according to the second embodiment of the utility model is in the first working position, wherein the shaded portion in the figure shows the channel of the movable valve plate and the fixed valve plate of the control valve which are mutually communicated.

Fig. 32F is a schematic diagram showing communication between the channel of the movable valve plate and the channel of the fixed valve plate of the control valve when the control valve of the bench water purifier according to the second embodiment of the utility model is in the second working position, wherein the shaded portion in the figure shows the channel of the movable valve plate and the fixed valve plate of the control valve which are mutually communicated.

Fig. 33A shows an alternative implementation of the control valve of the above-described on-counter water purifier according to the second embodiment of the present utility model.

Fig. 33B is an assembly view showing an alternative implementation of the control valve of the above-mentioned on-table water purifier according to the second embodiment of the present utility model.

Fig. 34A is a perspective view of a valve body of an alternative implementation of the control valve of the above-described bench water purifier according to the second embodiment of the present utility model.

Fig. 34B is another perspective view of the valve body of the alternative implementation of the control valve of the above-mentioned bench water purifier according to the second embodiment of the utility model.

Fig. 34C is a cross-sectional view of a valve body of an alternative implementation of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 34D is another cross-sectional view of the valve body of the alternative implementation of the control valve of the above-described bench-top water purifier according to the second embodiment of the utility model.

Fig. 34E is another cross-sectional view of the valve body of the alternative implementation of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 34F is another cross-sectional view of the valve body of the alternative implementation of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 34G is another cross-sectional view of the valve body of the alternative implementation of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 34H is another cross-sectional view of the valve body of the alternative implementation of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 35 is a cross-sectional view of an alternative implementation of the control valve of the above-described bench-top water purifier according to the second embodiment of the utility model.

Fig. 36A is a perspective view of a valve cartridge of an alternative implementation of the control valve of the above-mentioned bench water purifier according to the second embodiment of the utility model.

Fig. 36B is a cross-sectional view of a valve cartridge of an alternative implementation of the control valve of the above-described bench water purifier according to the second embodiment of the utility model.

Fig. 36C is a perspective view of a fixing portion of a valve plate of a valve body of an alternative embodiment of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 36D is another perspective view of the fixing portion of the fixed valve plate of the valve body of the alternative embodiment of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 36E is a perspective view of a first end portion and a fixing portion of a fixed valve plate of an alternative embodiment of a control valve for a bench water purifier according to the second embodiment of the utility model.

Fig. 36F is a perspective view of the fixing bracket of the fixing device of the bench water purifier according to the second embodiment of the utility model.

Fig. 37A is another perspective view of the valve plate of the valve cartridge of the alternative embodiment of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 37B is a top view of a valve plate of an alternative embodiment of a control valve of the above-mentioned bench water purifier according to the second embodiment of the utility model.

Fig. 37C is a bottom view of the valve plate of the valve cartridge of the second embodiment of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 37D is a perspective view of a movable valve plate of a valve body of an alternative embodiment of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 37E is a top view of a movable valve plate of a valve body of an alternative embodiment of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 37F is a bottom view of a movable valve plate of a valve cartridge of an alternative embodiment of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 38A is a schematic structural view of the above-mentioned alternative implementation of the on-table water purifier according to the second embodiment of the present utility model, wherein the on-table water purifier is shown in a purifying operation state, and an arrow is directed in a water flow direction.

Fig. 38B is a schematic structural view of the above-mentioned alternative implementation of the on-table water purifier according to the second embodiment of the present utility model, wherein the on-table water purifier is shown in a forward flushing operation state, and an arrow is pointed in a water flow direction.

Fig. 39A is a schematic structural view of a fixed valve plate of an alternative implementation of the control valve of the bench water purifier according to the second embodiment of the utility model.

Fig. 39B is a schematic structural view of a movable valve plate of an alternative implementation of the control valve of the bench water purifier according to the second embodiment of the utility model, wherein the broken line in the figure shows the conducting channel of the movable valve plate.

Fig. 39C is a schematic illustration of the bisection of the fixed valve plate of the control valve of the bench water purifier according to the second embodiment of the utility model, wherein the figure shows that each channel is disposed at a specific bisection position of the fixed valve plate.

Fig. 39D is a schematic illustration of an equally divided movable valve plate of an alternative embodiment of the control valve of the above-mentioned bench water purifier according to the second embodiment of the utility model, wherein the figure shows that each channel is disposed at a specific equally divided position of the movable valve plate.

Fig. 39E is a schematic diagram showing communication between the passage of the movable valve plate and the passage of the fixed valve plate of the control valve when the control valve of the bench water purifier according to the second embodiment of the utility model is in the first working position, wherein the hatched portion in the figure shows the passage of the movable valve plate and the fixed valve plate of the control valve that are in communication with each other.

Fig. 39F is a schematic diagram showing communication between the passage of the movable valve plate and the passage of the fixed valve plate of the control valve in the second working position of the control valve of the bench water purifier according to the second embodiment of the utility model, wherein the hatched portion in the figure shows the passage of the movable valve plate and the fixed valve plate of the control valve that are mutually communicated.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to practice the utility model. Other obvious substitutions, modifications and changes will occur to one of ordinary skill in the art. Thus, the scope of the utility model should not be limited by the exemplary embodiments described herein.

It will be understood by those of ordinary skill in the art that the terms "a" or "an" should be understood as "at least one" or "one or more" unless specifically indicated herein, i.e., in one embodiment, the number of elements may be one, and in other embodiments, the number of elements may be multiple.

It will be appreciated by those of ordinary skill in the art that unless specifically indicated herein, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., refer to an orientation or position based on that shown in the drawings, merely for convenience of description of the present utility model, and do not denote or imply that the devices or elements involved must have a particular orientation or position. Accordingly, the above terms should not be construed as limiting the present utility model.

Referring to fig. 1 to 7C of the drawings, a bench water purifier according to a first embodiment of the present utility model, which is configured to purify raw water (e.g., tap water), is illustrated.

As shown in fig. 1 to 14F of the drawings, the bench water purifier according to the first embodiment of the utility model comprises a first filter device 10, a base 30 and a control valve 40, wherein the first filter device 10 and the control valve 40 are both arranged in the base 30, wherein the first filter device 10 comprises a first housing 11 and a first cartridge 12, the control valve 40 comprises a valve body 41 and a valve cartridge 42, wherein the first housing 11 forms a first receiving chamber 110, the valve body 41 forms a valve chamber 410, a first opening 4101, a second opening 4102, a third opening 4103 and a drain opening 4104, wherein the valve cartridge 42 is arranged in the valve chamber 410, the first cartridge 12 is arranged in the first receiving chamber 110, and the first housing 11 and the first cartridge 41012 form a first water flow channel 1101 therebetween, wherein the first filter device 10 has a first water flow opening 101, a second opening 103 and a second opening 103, wherein the first filter device 10 is in communication with the first water flow channel 10, the first filter device 10 is in communication with the first water flow channel 10 opening 10.

As shown in fig. 1 to 14F of the drawings, the bench water purifier according to the first embodiment of the utility model further comprises a second filtering device 20, the second filtering device 20 being provided at the base 30, wherein the second filtering device 20 comprises a second housing 21 and a second filter cartridge 22, wherein the second housing 21 forms a second receiving chamber 210, the second filter cartridge 22 is provided in the second receiving chamber 210, wherein the second housing 21 and the second filter cartridge 22 form a second water flow channel 2101 therebetween, wherein the second filtering device 20 has a water inlet 201 and a purified water outlet 202, and the water inlet 201 of the second filtering device 20 communicates with the second opening 4102 of the control valve 40 and the second water flow channel 2101 of the second filtering device 20, respectively.

It is noted that the first filter element 12 of the first filter device 10 and the second filter element 22 of the second filter device 20 are both purifying filter elements. Preferably, the first filter element 12 of the first filter device 10 is an ultrafiltration filter element and the second filter element 22 of the second filter device 20 is a composite filter element. For example, the second filter element 22 of the second filter device 20 is a composite filter element of activated carbon and an ultrafiltration filter element. More preferably, the first filter cartridge 12 of the first filter device 10 is an external pressure type ultrafiltration filter cartridge. Optionally, the second filter element 22 of the second filter device 20 is composed of any two or more materials of carbon rods, softening resin, ceramics, carbon fibers, PP cotton, activated carbon particles, and ultrafiltration filter elements. Optionally, the first filter element 12 of the first filter device 10 is a composite filter element, and is composed of any two or more materials of carbon rod, ceramic, carbon fiber, PP cotton, activated carbon particles and ultrafiltration filter element.

As shown in fig. 13A of the drawings, when raw water (or tap water) flows into the first water flow passage 1101 from the first water flow opening 101 of the first filtering device 10 of the bench water purifier of the first embodiment of the present utility model under the action of water pressure, if the control valve 40 is capable of forming a first communication passage 4001 communicating with the first opening 4101 and the second opening 4102, respectively, raw water can be treated by the first filter element 12 under the action of water pressure and purified water can be generated, and the purified water treated and generated by the first filter element 12 can flow out of the second water flow opening 102 of the purification filter element 12 and flow to the first opening 4101 of the control valve 40 and flow to the second opening 4102 of the control valve 40 through the first communication passage 4101 from the first opening 4101 of the control valve 40 under the action of water pressure, and then flow into the second passage 2101 of the second filtering device 20 from the second opening 4102 of the control valve 40 and the water inlet 201 of the second filtering device 20 under the action of water pressure and purified water can be further treated and purified by the second filter element 20 under the action of water pressure and the second filter element 22. At this time, the bench water purifier of the first embodiment of the utility model is in a purifying operation state. Accordingly, the purified water produced by the first cartridge 12 can be regarded as primary purified water, and the purified water produced by further purifying the primary purified water by the second cartridge 22 can be regarded as secondary purified water. Thus, the first filter element 12 of the first filter device 10 can be considered the primary filter element of the on-board water purifier of the present utility model, and the second filter element 22 of the second filter device 20 can be considered the secondary filter element of the on-board water purifier of the present utility model. Preferably, when the bench-top water purifier of the first embodiment of the utility model is in the purifying operation state, water cannot flow from the third opening 4103 of the control valve 40 to the drain opening 4104 to ensure that the water pressure in the first water flow passage 1101 is high enough and that the purified water flow rate generated by the first filter element 12 of the first filter device 10 is high enough, so that the second filter element 22 of the second filter device 20 can purify the primary purified water again under the water pressure.

As shown in fig. 1 to 14F of the drawings, the first filter cartridge 12 of the first filter device 10 of the bench water purifier according to the first embodiment of the utility model forms a first water supply side 121 and a first water purification side 122, wherein the second water flow opening 102 of the first filter device 10 is formed at the first water purification side 122, and the first water flow passage 1101 is formed between the first housing 11 and the first water supply side 121 of the first filter cartridge 12.

As shown in fig. 1 to 14F of the drawings, the second filter cartridge 22 of the second filter device 20 of the on-bench water purifier according to the first embodiment of the utility model forms a second water supply side 221 and a second water purification side 222, wherein the purified water outlet 202 of the second filter device 20 is formed at the second water purification side 222, and the second water flow channel 2101 is formed between the second housing 21 and the second water supply side 221 of the second filter cartridge 22.

As shown in fig. 13B of the drawings, when raw water (or tap water) flows into the first water flow passage 1101 from the first water flow opening 101 of the first filter device 10 of the bench water purifier of the first embodiment of the present utility model under the action of water pressure, if the control valve 40 is capable of forming a second communication passage 4002 communicating with the third opening 4103 and the drain opening 4104, respectively, the raw water can be washed forward by the water pressure to the first water supply side 121 of the first filter cartridge 12 of the first filter device 10, and the generated sewage or waste water flows out from the third water flow opening 103 of the first filter device 10 and then flows from the third opening 4103 of the control valve 40 to the drain opening 4104 through the second communication passage 4002 to be discharged. At this time, the bench water purifier of the first embodiment of the present utility model is in a forward flushing operation state. It will be appreciated that if the first filter element 12 of the first filter device 10 is an external pressure type ultrafiltration filter element, the raw water is washed by the outer surface of the ultrafiltration membrane filaments of the external pressure type ultrafiltration filter element; if the first filter element 12 of the first filter device 10 is a ceramic filter element or a carbon rod filter element, the raw water is washed by the outer surface of the ceramic filter element or the carbon rod filter element. Preferably, when the bench water purifier of the first embodiment of the present utility model is in the forward flushing operation, water cannot flow from the first opening 4101 of the control valve 40 to the second opening 4102 to ensure that the water pressure in the first water flow path 1101 is sufficiently high and that the effect of forward flushing of the first filter element 12 of the first filter device 10 by raw water is ensured. This is a significant difference between the present on-board water purifier and the existing two-stage filtered on-board water purifier. Most of the existing two-stage filter elements of the bench water purifier capable of realizing the two-stage filtration are connected in series through simple connection, when a user washes the one-stage filter element in the forward direction, the two-stage filter element keeps the filtration conduction, so that the water pressure is reduced, and meanwhile, the one-stage filter element also keeps the filtration state, so that dirt is pressed on the surface of the filter material of the one-stage filter element by the water pressure, and the raw water cannot wash the one-stage filter element better. In addition, most of the two-stage filter elements of the existing bench water purifier capable of realizing two-stage filtration are connected in series through simple connection, and sewage or wastewater generated by forward flushing cannot be discharged through independent sewage channels.

As shown in fig. 1 to 14F of the drawings, the first water flow opening 101 and the third water flow opening 103 of the first filtering device 10 of the on-table water purifier according to the first embodiment of the present utility model are respectively disposed at positions spaced far apart. Preferably, the first water flow opening 101 and the third water flow opening 103 of the first filter device 10 are provided at opposite sides of the first filter device 10, respectively, to ensure a path through which raw water flows when flowing in the first water flow passage 1101 is long enough and to ensure an effect that raw water washes the first filter cartridge 12 of the first filter device 10 in a forward direction. It is apparent that if the first water flow opening 101 and the third water flow opening 103 of the first filtering device 10 are located too close together, a water path short circuit is easily caused, and raw water directly flows from the first water flow opening 101 to the third water flow opening 103.

As shown in fig. 1 to 14F of the drawings, the first filtering device 10 of the on-table water purifier according to the first embodiment of the present utility model further has a first base 14, wherein the first housing 11 and the first filter element 12 are both disposed on the first base 14, and the first base 14 is disposed on the base 30. Preferably, the first housing 11 is screwed to the first base 14. Preferably, the first base 14 is integrally formed with the base 30.

As shown in fig. 1 to 14F of the drawings, the first filtering apparatus 10 of the bench-top water purifier according to the first embodiment of the utility model further has a flow guide 124, wherein the flow guide 124 extends upward from the first base 14 and surrounds the ultrafiltration membrane filaments of the first filter cartridge 12. Preferably, the first water flow opening 101 and the third water flow opening 103 are both provided at the first base 14. More preferably, the first water flow opening 101 is formed in the portion of the first base 14 between the flow sleeve 124 and the first housing 11, and the third water flow opening 103 is formed in the portion of the first base 14 between the flow sleeve 124 and the ultrafiltration membrane filaments of the first cartridge 12. Accordingly, when the user performs forward flushing on the primary filter element, the diversion sleeve 124 can guide the raw water flowing into the first water flow channel 1101 from the first water flow opening 101 to flow upwards and prevent the raw water from flowing out after flowing directly to the third water flow opening 103. Optionally, the first water flow opening 101 is formed in a first base 14 portion between the flow sleeve 124 and the ultrafiltration membrane filaments of the first cartridge 12, and the third water flow opening 103 is formed in a first base 14 portion between the flow sleeve 124 and the first housing 11. At this time, the diversion sleeve 124 can guide the raw water flowing into the first water flow channel 1101 from the first water flow opening 101 to flow upwards and prevent the raw water from flowing out after flowing directly to the third water flow opening 103 when the user washes the primary filter element forward.

As shown in fig. 1 to 14F of the drawings, the second filtering device 20 of the on-table water purifier according to the first embodiment of the present utility model further has a second base 24, wherein the second housing 21 and the second filter 22 are both disposed on the second base 24, and the second base 24 is disposed on the base 30. Preferably, the second housing 21 is screwed to the second base 24. Preferably, the water inlet 201 and the purified water outlet 202 of the second filtering device 20 are formed at the second base 24. Preferably, the second base 24 is integrally formed with the base 30.

As shown in fig. 1 to 14F of the drawings, the first base 14, the second base 24 and the base 30 of the on-table water purifier according to the first embodiment of the present utility model form a receiving chamber 300 so that the connection lines between the first filtering means 10 and the control valve 40, the connection lines between the second filtering means 20 and the control valve 40 of the on-table water purifier according to the present utility model can be collectively installed in the receiving chamber 300. The arrangement of the connecting pipeline between the first filtering device 10 and the control valve 40 and the connecting pipeline between the second filtering device 20 and the control valve 40 is beneficial to the beauty of the bench water purifier of the utility model and the protection of the connecting pipeline from collision and damage.

As shown in fig. 1, 2 and 4A of the drawings, the first filter device 10 of the bench water purifier according to the embodiment of the utility model further comprises an actuating element 13, wherein the actuating element 13 comprises an actuating member 131 and a driving member 132 extending from the actuating member 131, wherein the actuating member 131 is adapted to be movably disposed between the top end 123 of the first filter cartridge 12 of the first filter device and the first housing 11 of the first filter device, and the driving member 132 is adapted to pass out from the operation hole 1102 of the first housing 11. Preferably, the actuating member 131 is provided to be capable of reciprocating up and down with respect to the first housing 11, so that an operator or user can reciprocally drive the actuating member 131 up and down by the driving member 132. Optionally, the actuating member 131 is arranged to rotate relative to the first housing 11, so that an operator or user can rotate the actuating member 131 via the driving member 132. Accordingly, when the actuator 131 is driven to reciprocate (or rotate) up and down, the water flow in the first water flow passage 1101 of the first filter device 10 is convected, so that foreign substances or dirt between the ultrafiltration membrane filaments of the first filter cartridge 12 are easily washed away. Further, the actuating member 13 is configured such that when a user drives the actuating member 13 downward (in a direction approaching the first cartridge 12) by the driving member 132 and moves an appropriate distance, the actuating member 131 of the actuating member 13 can press against the top end 123 of the first cartridge 12 to deform the ultrafiltration membrane filaments forming the first cartridge 12 and expose impurities or dirt deposited between the ultrafiltration membrane filaments to water flow and to be easily washed away. Further, when the user drives the actuating member 13 upward (away from the first cartridge 12) via the driving member 132 and moves a suitable distance, the actuating member 131 of the actuating member 13 will move away from the top end 123 of the first cartridge 12 to restore the ultrafiltration membrane filaments forming the first cartridge 12 to their original shape. Preferably, the actuating member 131 of the actuating element 13 forms an actuating surface 1310, wherein the actuating surface 1310 is disposed toward the top end 123 of the first cartridge 12. More preferably, the actuation surface 1310 of the actuation member 131 of the actuation member 13 is a continuous plane to prevent the ultrafiltration membrane filaments forming the first cartridge 12 from seizing up on the actuation member 131 of the actuation member 13. Most preferably, the actuation surface 1310 of the actuation member 131 of the actuation element 13 is a circular continuous plane.

As shown in fig. 1, 2 and 4A of the drawings, the actuating member 13 of the first filtering apparatus 10 of the bench-top water purifier according to the embodiment of the utility model further includes a restoring member 133, wherein one end of the restoring member 133 is disposed at the first housing 11 and the other end is disposed at the driving member 132, such that when a user removes or removes a downward force applied to the driving member 132, the restoring member 133 can drive the driving member 132 to move away from the top end 123 of the first filter element 12 and restore the driving member 132 to prevent the actuating surface 1310 of the actuating member 131 from bending ultrafiltration membrane filaments of the first filter element 12 for a long time to break the ultrafiltration membrane filaments.

As shown in fig. 1 to 14F of the drawings, the second filter cartridge 22 of the second filter device 20 of the on-table water purifier according to the first embodiment of the present utility model includes a first purification layer 223 and a second purification layer 225. Further, the first purification layer 223 is made of an activated carbon material and the second purification layer 225 is made of an ultrafiltration material. Accordingly, after raw water is filtered through the first filter cartridge 12 of the first filter device 10, the raw water flows into the first purification layer 223 of the second filter cartridge 22 of the second filter device 20, and since the first purification layer 223 made of activated carbon is easily grown with bacteria, preferably the second purification layer 225 is made of an ultrafiltration material, more preferably the pore size of the ultrafiltration material of the second purification layer 225 is smaller than that of the ultrafiltration material of the first filter cartridge 12 of the first filter device 10, to further prevent bacteria from entering the second purification layer 225 from the first purification layer 223 and to contaminate secondary purified water provided to a user. Accordingly, the first purification layer 223 of the second filter cartridge 22 of the second filter device 20 forms the second water supply side 221, and the second purification layer 225 of the second filter cartridge 22 of the second filter device 20 forms the second water purification side 222.

As shown in fig. 1 to 14F of the drawings, the control valve 40 of the on-counter water purifier according to the embodiment of the present utility model has a first operation position, wherein the spool 42 of the control valve 40 forms the first communication channel 4001 communicating with the first opening 4101 and the second opening 4102 of the valve body 41, respectively, when the control valve 40 is in the first operation position. Further, when the control valve 40 is in the first operating position, there is no communication between the third opening 4103 of the valve body 11 and the drain opening 4104. Accordingly, when the control valve 40 is in the first operating position, raw water or tap water flows into the first water flow passage 1101 from the first water flow opening 101 of the first filter device 10 of the on-table water purifier of the first embodiment of the present utility model under the action of water pressure, and purified water treated and generated by the first filter element 12, the purified water treated and generated by the first filter element 12 can flow out of the second water flow opening 102 of the first filter device 10 and toward the first opening 4101 of the control valve 40 and flow out of the first opening 4101 of the control valve 40 through the first communication passage 4001 to the second opening 4102 of the control valve 40, and then flows into the second water flow passage 2101 of the second filter device 20 from the second opening 4102 of the control valve 40, the water inlet 201 of the second filter device 20, and further purified water further treated and generated by the second filter element 22 of the second filter device 20 under the action of water pressure. Accordingly, when the control valve 40 of the on-board water purifier according to the embodiment of the present utility model is controlled to be in the first operating position, the on-board water purifier of the present utility model is controlled to be in its purifying operating state.

As shown in fig. 1 to 14F of the drawings, the control valve 40 of the bench water purifier according to the embodiment of the utility model further has a second operation position, wherein the spool 42 of the control valve 40 forms the second communication channel 4002 communicating with the third opening 4103 and the drain opening 4104 of the valve body 11, respectively, when the control valve 40 is in the second operation position. Further, when the control valve 40 is in the second operating position, there is no communication between the first opening 4101 and the second opening 4102 of the valve body 41. Accordingly, when the control valve 40 is at the second working position, raw water or tap water flows into the first water flow channel 1101 from the first water flow opening 101 of the first filter device 10 of the bench water purifier according to the first embodiment of the utility model under the action of water pressure, so that raw water can flush the first water supply side 121 of the first filter element 12 of the first filter device 10 forward under the action of water pressure, and generated sewage or wastewater flows out from the third water flow opening 103 of the first filter device 10, and flows from the third opening 4103 of the control valve 40 to the drain opening 4104 through the second communication channel 4002 to be discharged. Accordingly, when the control valve 40 of the on-board water purifier according to the embodiment of the present utility model is controlled to be in the second working position, the on-board water purifier of the present utility model is controlled to be in its forward flushing working state.

As shown in fig. 1 to 14F of the drawings, the control valve 40 of the on-table water purifier according to the embodiment of the present utility model is a planar valve, the valve core 42 of the planar valve 40 of the present utility model further comprises a fixed valve sheet 421 and a movable valve sheet 422, wherein the fixed valve sheet 421 has a first fluid control surface 4210, the movable valve sheet 422 has a second fluid control surface 4220, wherein the movable valve sheet 422 and the fixed valve sheet 421 are both disposed in the valve chamber 410, wherein the second fluid control surface 4220 of the movable valve sheet 422 is disposed on the first fluid control surface 4210 of the fixed valve sheet 421, and the movable valve sheet 422 is disposed to be rotatable with respect to the fixed valve sheet 421.

As shown in fig. 1 to 14F of the drawings, further, the planar valve 40 of the on-board water purifier according to the embodiment of the present utility model has a first channel 401, a second channel 402, a third channel 403, a fourth channel 404 and a fifth channel 405, wherein the first channel 401, the second channel 402, the third channel 403 and the fourth channel 404 are respectively disposed on the fixed valve plate 421 and respectively extend from the first fluid control surface 4210 of the fixed valve plate 421; the fifth channel 405 is disposed on the movable valve plate 422 and extends from the second fluid control surface 4220 of the movable valve plate 422, wherein the first channel 401 is in communication with the first opening 4101, the second channel 402 is in communication with the second opening 4102, the third channel 403 is in communication with the third opening 4103, and the fourth channel 404 is in communication with the drain opening 4104. It is understood that the fifth channel 405 of the movable valve plate 422 is preferably a blind via.

As shown in fig. 1 to 14F of the drawings, the movable valve plate 422 of the planar valve 40 of the on-table water purifier according to the embodiment of the present utility model can rotate relative to the fixed valve plate 421 so that the planar valve 40 has a first working position and a second working position, wherein when the planar valve 40 is in the first working position, the fifth channel 405 of the planar valve 40 is respectively communicated with the first channel 401 and the second channel 402, thereby forming the first communication channel 4001 respectively communicated with the first opening 4101 and the second opening 4102; when the planar valve 40 is in the second operating position, the fifth passage 405 of the planar valve 40 communicates with the third passage 403 and the fourth passage 404, respectively, thereby forming the second communication passage 4002 communicating with the third opening 4103 and the drain opening 4104, respectively. As shown in fig. 1 to 14F of the drawings, when the planar valve 40 of the on-table water purifier according to the embodiment of the present utility model is at the first working position, the fifth channel 405 of the planar valve 40 is only in communication with the first channel 401 and the second channel 402, so that the third channel 403 and the fourth channel 404 are blocked by the movable valve plate 422 and the water flow in the third channel 403 cannot flow freely. Preferably, the third channel 403 is blocked by the movable valve plate 422. Accordingly, the raw water or tap water flows into the first water flow passage 1101 from the first water flow opening 101 of the first filter device 10 of the on-table water purifier according to the first embodiment of the present utility model, the primary purified water generated from the first filter element 12 of the first filter device 10 flows out from the second water flow opening 102 of the first filter device 10 under the action of the water pressure, flows into the second opening 4102 from the first opening 4101 of the control valve 40, the first passage 401, the fifth passage 405, the second passage 402, flows into the second filter element 22 of the second filter device 20 through the water inlet 201 of the second filter device 20, and is further purified by the second filter element 22 of the second filter device 20, and is provided through the purified water outlet 202 of the second filter device 20. Accordingly, when the planar valve 40 of the on-board water purifier of the present utility model is in the first operating position, the on-board water purifier of the present utility model is in its purifying operating state.

As shown in fig. 1 to 14F of the drawings, when the planar valve 40 of the on-table water purifier according to the embodiment of the present utility model is in the second working position, the fifth channel 405 of the planar valve 40 is only in communication with the third channel 403 and the fourth channel 404, so that the first channel 401 and the second channel 402 are blocked by the movable valve plate 422 and the water flow in the first channel 401 cannot flow freely. Accordingly, when raw water or tap water flows into the first water flow passage 1101 from the first water flow opening 101 of the first filter device 10 of the on-counter water purifier according to the first embodiment of the present utility model under the action of water pressure, the raw water can flush the first water supply side 121 of the first filter element 12 of the first filter device 10 in a forward direction under the action of water pressure, and the generated sewage or wastewater flows out from the third water flow opening 103 of the first filter device 10, flows into the drain opening 4104 from the third opening 4103, the third passage 403, the fifth passage 405 and the fourth passage 404 of the control valve 40, and is discharged. Therefore, when the planar valve 40 of the on-bench water purifier according to the embodiment of the utility model is at the second working position, the second communication channel 4002 formed by the valve core 42 of the planar valve 40 communicates with the third opening 4103 and the drain opening 4104 of the planar valve 40. Accordingly, when the planar valve 40 of the on-board water purifier of the present utility model is in the second operating position, the on-board water purifier of the present utility model is in its forward flush operating state.

As shown in fig. 1 to 14F of the drawings, the first, second and third water flow openings 101, 102 and 103 of the first filter device 10 of the on-table water purifier according to the embodiment of the present utility model are formed at the first base 14, and the water inlet 201 and the purified water outlet 202 of the second filter device are formed at the second base 24. Further, the second water flow opening 102 of the first filter device 10 and the first opening 4101 of the control valve 40 are communicated with each other through a first connection pipe 31, the water inlet 201 of the second filter device 20 and the second opening 4102 of the control valve 40 are communicated with each other through a second connection pipe 32, and the third water flow opening 103 of the first filter device 10 and the third opening 4103 of the control valve 40 are communicated with each other through a third connection pipe 33.

As shown in fig. 1 to 14F of the drawings, the fixed valve plate 421 of the valve body 42 of the on-table water purifier 40 according to the embodiment of the present utility model includes a first end portion 4211, a second end portion 4212, and a fixed portion 4213 disposed between the first end portion 4211 and the second end portion 4212, wherein the first end portion 4211 forms the first fluid control surface 4210 of the fixed valve plate 421, and the second end portion 4212 is disposed in the valve cavity 410 of the valve body 41. Preferably, the second end 4212 of the fixed valve plate 421 of the valve body 42 of the on-table water purifier 40 of the present utility model is integrally provided at the inner wall of the valve body 41 of the on-table water purifier 40.

As shown in fig. 8B and 11A of the drawings, the control valve 40 of the bench water purifier according to the embodiment of the utility model further comprises a fixing device 50, wherein the fixing device 50 comprises a fixing bracket 51, a first clamping member 52 and a second clamping member 53, wherein the first clamping member 52 is disposed at the fixing portion 4213 of the fixing plate 421, and the second clamping member 53 is disposed at the fixing bracket 51, wherein the first clamping member 52 and the second clamping member 53 are disposed to be adapted to be clamped to each other, such that the fixing portion 4213 of the fixing plate 421 can be fixed to the fixing bracket 51 by the first clamping member 52 and the second clamping member 53.

As shown in fig. 1 to 14F of the drawings, further, the first end portion 4211 of the fixed valve plate 421 is adapted to be detachably engaged with the fixed portion 4213 of the fixed valve plate 421, and the fixed portion 4213 of the fixed valve plate 421 is adapted to be detachably engaged with the second end portion 4212 of the fixed valve plate 421, so that the first end portion 4211 of the fixed valve plate 421 cannot rotate relative to the fixed portion 4213, and the fixed portion 4213 of the fixed valve plate 421 cannot rotate relative to the second end portion 4212.

It is noted that the first end portion 4211 of the fixed valve plate 421 of the valve core 42 of the on-table water purifier 40 of the present utility model is detachably clamped to the fixed portion 4213 of the fixed valve plate 421, the fixed portion 4213 of the fixed valve plate 421 is detachably clamped to the second end portion 4212 of the fixed valve plate 421, and the first end portion 4211 of the fixed valve plate 421 and the movable valve plate 422 are accommodated in the accommodating chamber 510 of the fixed bracket 51, so that the first end portion 4211 of the fixed valve plate 421, the fixed portion 4213 and the movable valve plate 422 can be integrated together through the fixed bracket 51, the first clamping member 52 and the second clamping member 53 of the fixing device 50. In particular, since the first end portion 4211 of the fixed valve plate 421 forms the first fluid control surface 4210 of the fixed valve plate 421, and the first end portion 4211 of the fixed valve plate 421 is detachably engaged with the fixed portion 4213 of the fixed valve plate 421, the first end portion 4211 can be manufactured separately and a side of the first end portion 4211 facing the movable valve plate 422 can be easily processed, such as polished, to form the first fluid control surface 4210. However, if the fixed valve sheet 421 of the valve body 42 of the on-table water purifier of the present utility model is fixedly provided to the valve body 41 or the fixed valve sheet 421 of the valve body 42 of the on-table water purifier 40 is integrally formed with the valve body 41, it is difficult to process and obtain the first fluid control surface 4210 from the side of the first end portion 4211 of the fixed valve sheet 421 of the valve body 42 of the on-table water purifier facing the movable valve sheet 422.

As shown in fig. 10 to 12F of the drawings, the bench water purifier according to the embodiment of the utility model further comprises a driving unit 6, wherein the driving unit 6 is configured to drive the movable valve plate 422 of the plane valve 40 to rotate relative to the fixed valve plate 421. As shown in fig. 1-14F of the drawings, the drive assembly 6 illustratively includes a valve stem 60, the fixed bracket 51 further having an operating opening 502, wherein the operating opening 502 is in communication with the receiving chamber 510 of the fixed bracket 51, wherein the valve stem 60 has a drive end 61 and an operating end 62 extending from the drive end 61, wherein the drive end 61 of the valve stem 60 is disposed within the receiving chamber 510 of the fixed bracket 51, and the operating end 62 of the valve stem 60 extends from the drive end 61 and passes through the operating opening 502 of the fixed bracket 51. Accordingly, when the operating end 62 of the valve stem 60 is operated to rotate, the driving end 61 is driven to rotate and further drives the movable valve plate 422 to rotate, so that the plane valve 40 is controlled to be in the corresponding working position. Accordingly, the first end portion 4211 of the fixed valve plate 421, the fixed portion 4213, the movable valve plate 422, and the valve stem 60 can be integrated together by the fixed bracket 51, the first clamping member 52, and the second clamping member 53 of the fixing device 50, thereby reducing difficulty in manufacturing the fixed valve plate 421 while reducing difficulty in assembling the first end portion 4211 of the fixed valve plate 421, the fixed portion 4213, the movable valve plate 422, and the valve stem 60 into the valve cavity 410 of the valve body 41. It will be appreciated that the manner in which the first end portion 4211 of the fixed valve plate 421, the fixed portion 4213, the movable valve plate 422 and the valve stem 60 are integrated together by the fixed bracket 51, the first clamping member 52 and the second clamping member 53 of the fixing device 50 further facilitates automated assembly and production of the planar valve 40 by the first end portion 4211 of the fixed valve plate 421, the fixed portion 4213, the movable valve plate 422 and the valve stem 60. Further, the outer diameter of the driving end 61 of the valve rod 60 is smaller than the inner diameter of the receiving chamber 510 of the fixed bracket 51 and larger than the inner diameter of the operation opening 502 of the fixed bracket 51, and the outer diameter of the operation end 62 of the valve rod 60 is smaller than the inner diameter of the operation opening 502 of the fixed bracket 51, so that the fixed bracket 51 can be pressed against the driving end 61 of the valve rod 60 under the action of external force, thereby enabling the movable valve plate 422 to be pressed against the first end 4211 of the fixed valve plate 421 and the second fluid control surface 4220 of the movable valve plate 422 to be disposed on the first fluid control surface 4210 of the fixed valve plate 421 under the action of the driving end 61 of the valve rod 60.

It will be appreciated that the drive assembly 6 may be any mechanism or component that can be used to drive the rotation of the movable valve plate 422 of the planar valve 40 relative to the stationary valve plate 421. The driving assembly 6 may also be a gear set for driving the movable valve block 422 of the plane valve 40 to rotate relative to the fixed valve block 421, wherein the gear set includes a driving gear and driven teeth disposed on a sidewall of the movable valve block 422, and the driving gear is engaged with the driven teeth of the movable valve block 422, so that a user or operator can drive the movable valve block 422 to rotate relative to the fixed valve block 421 by rotating the driving gear. Illustratively, the drive assembly 6 may also include a drive rod disposed on the movable valve plate 422 of the planar valve 40 and parallel to the second fluid control surface 4220 of the movable valve plate 422. The user can drive the movable valve plate 422 to rotate relative to the fixed valve plate 421 through the driving rod of the driving assembly 6.

As shown in fig. 1 to 14F of the drawings, the fixing device 50 of the bench water purifier according to the embodiment of the utility model further comprises a fixing member 54, wherein the fixing member 54 is disposed to press against the fixing bracket 51, and the fixing member 54 is disposed to be adapted to be fixed to the valve body 41 of the planar valve 40. Accordingly, the fixed bracket 51 is held in the valve chamber 410 of the valve body 41 by the fixing member 54.

As shown in fig. 1 to 14F of the drawings, the bench water purifier according to the embodiment of the present utility model further comprises a knob 80, wherein the knob 80 is disposed at the operation end 62 of the valve stem 60, so that a user rotates the valve stem 60 to rotate the movable valve plate 422 and control the flat valve 40 to be in the corresponding working position.

As shown in fig. 1 to 14F of the drawings, the first fluid control surface 4210 of the fixed valve plate 421 of the on-table water purifier 40 according to the embodiment of the present utility model has a central portion 42101 shown as a dotted line and an edge portion 42102 extending outwardly from the central portion 42101, wherein the central portion 42101 and the edge portion 42102 are provided at the top end portion 4214 of the fixed valve plate 421, and the edge portion 42102 (or a portion other than the central portion 42101) of the first fluid control surface 4210 is equally divided into a first portion 1001, a second portion 1002, a third portion 1003 and a fourth portion 1004 shown as a dotted line; the second fluid control surface 4220 of the movable valve plate 422 of the planar valve 40 has a central region 42201 shown by dashed lines and an edge region 42202 extending outwardly from the central region 42201, wherein the central region 42201 and the edge region 42202 are provided at the bottom end portion 4221 of the movable valve plate 422, and the edge region 42202 (a portion other than the central region 42201) of the second fluid control surface 4220 is equally divided into a first region 2001, a second region 2002, a third region 2003 and a fourth region 2004 shown by dashed lines; wherein the first channel 401 and the second channel 402 extend downward from the first portion 1001 and the second portion 1002 of the first fluid control surface 4210 of the fixed valve plate 421, respectively, the fourth channel 404 and the third channel 403 extend downward from the third portion 1003 and the fourth portion 1004 of the first fluid control surface 4210 of the fixed valve plate 421, respectively, and the fifth channel 405 extends between the first region 2001 and the second region 2002 of the second fluid control surface 4220 of the movable valve plate 422.

As shown in fig. 1 to 14F of the drawings, preferably, the edge portion 42102 of the first fluid control surface 4210 is divided equally clockwise into the first portion 1001, the second portion 1002, the third portion 1003 and the fourth portion 1004, and the edge region 42202 of the second fluid control surface 4220 of the movable valve plate 422 of the planar valve 40 is divided equally clockwise into the first region 2001, the second region 2002, the third region 2003 and the fourth region 2004. In other words, the first fluid control surface 4210 of the fixed valve plate 421 of the planar valve 40 forms four halves, wherein when the movable valve plate 422 of the planar valve 40 is rotated to the first and second halves (the first and second regions 2001 and 2002) of the second fluid control surface 4220 of the movable valve plate 422 face the first and second halves ((the first and second portions 1001 and 1002) of the first fluid control surface 4210 of the fixed valve plate 421), the third and fourth halves (the third and fourth regions 2003 and 2004) of the second fluid control surface 4220 of the movable valve plate 422 of the planar valve 40 face the third and fourth halves (the third and fourth portions 1003 and 1003) of the first fluid control surface 4210 of the fixed valve plate 421 respectively, further, when the movable valve plate 422 of the planar valve 40 is rotated to the first and second halves (the first and second regions 2001 and 2002) of the second fluid control surface 4220 of the movable valve plate 422, respectively, the third and fourth halves (the third and fourth portions 1003 and 1004) of the first fluid control surface 1210 of the fixed valve plate 421 of the first fluid control surface 4210 of the fixed valve plate 421, respectively, the fifth channel 405 of the planar valve 10 is in communication with the fourth and third channels 404 and 403, respectively, when the on-board water purifier is in the forward flush operation.

It should be noted that, as shown in fig. 1 to 14F of the drawings, when the user needs to switch the planar valve 40 of the on-bench water purifier according to the embodiment of the utility model from the cleaning operation state to the forward flushing operation state, the moving valve plate 422 of the planar valve 40 only needs to be rotated clockwise for two equal division angles (or 180 degrees).

As shown in fig. 1 to 14F of the drawings, it is preferable that the first channel 401 and the second channel 402 of the planar valve 40 of the on-table water purifier according to the embodiment of the present utility model are adjacent, and the fourth channel 404 and the third channel 403 are adjacent. Preferably, the first channel 401, the second channel 402, the fourth channel 404 and the third channel 403 are arranged clockwise in this order on the first fluid control surface 4210 of the fixed valve plate 421, and the fifth channel 405 is arranged on the second fluid control surface 4220 of the movable valve plate 422. Optionally, the second channel 402, the first channel 401, the fourth channel 404 and the third channel 403 of the planar valve 40 are arranged in this order clockwise on the first fluid control surface 4210 of the fixed valve plate 421. Optionally, the first channel 401, the second channel 402, the fourth channel 404 and the third channel 403 of the planar valve 40 are arranged in this order counter clockwise on the first fluid control surface 4210 of the fixed valve plate 421. Optionally, the second channel 402, the first channel 401, the fourth channel 404 and the third channel 403 of the planar valve 40 are arranged in this order counter clockwise on the first fluid control surface 4210 of the fixed valve plate 421. Preferably, the first channel 401, the second channel 402, the fourth channel 404 and the third channel 403 of the planar valve 40 are disposed at the first fluid control surface 4210 of the fixed valve plate 12 in a spaced apart manner.

Fig. 15A to 21F of the drawings show an alternative implementation of the control valve 40 of the bench water purifier according to the embodiment of the utility model, wherein the control valve 40A is a planar valve comprising a valve body 41A and a valve spool 42A, wherein the valve body 41A forms a valve cavity 410, a first opening 4101, a second opening 4102, a third opening 4103 and a drain opening 4104, wherein the valve spool 42A is arranged in the valve cavity 410, wherein the valve spool 42A of the planar valve 40A further comprises a fixed valve piece 421A and a movable valve piece 422A, wherein the fixed valve piece 421A has a first fluid control surface 4210A, the movable valve piece 422A has a second fluid control surface 4220A, wherein the movable valve piece 422A and the fixed valve piece 421A are both arranged in the valve cavity 410, wherein the second fluid control surface 4220A of the movable valve piece 422A is arranged in the first fluid control surface 4210A of the fixed valve piece 421A, and the movable valve piece 421A is arranged to be rotatable relative to the fixed valve piece 422A.

As shown in fig. 15A to 21F of the drawings, further, the planar valve 40A of the on-board water purifier according to the embodiment of the present utility model has a first channel 401A, a second channel 402A, a third channel 403A, a fourth channel 404A, a fifth channel 405A and a sixth channel 406A, wherein the first channel 401A, the second channel 402A, the third channel 403A and the fourth channel 404A are respectively disposed on the fixed valve plate 421A and respectively extend from the first fluid control surface 4210A of the fixed valve plate 421A; the fifth channel 405A and the sixth channel 406A are respectively disposed on the movable valve plate 422A and respectively extend from the second fluid control surface 4220A of the movable valve plate 422A, wherein the first channel 401A is in communication with the first opening 4101, the second channel 402A is in communication with the second opening 4102, the third channel 403A is in communication with the third opening 4103, and the fourth channel 404A is in communication with the drain opening 4104. It is understood that the fifth channel 405A and the sixth channel 406A of the movable valve plate 422A are preferably blind vias.

As shown in fig. 15A to 21F of the drawings, the movable valve plate 422A of the planar valve 40A of the on-bench water purifier according to the embodiment of the utility model can rotate relative to the fixed valve plate 421A so that the planar valve 40A has a first working position and a second working position, wherein when the planar valve 40A is in the first working position, the fifth channel 405A of the planar valve 40A is respectively communicated with the first channel 401A and the second channel 402A, thereby forming a first communication channel 4001A respectively communicated with the first opening 4101 and the second opening 4102; when the planar valve 40A is in the second operating position, the sixth passage 406A of the planar valve 40A communicates with the third passage 403A and the fourth passage 404A, respectively, thereby forming a second communication passage 4002A communicating with the third opening 4103 and the drain opening 4104, respectively.

As shown in fig. 15A to 21F of the drawings, illustratively, when the planar valve 40A of the on-board water purifier according to the embodiment of the present utility model is at the first working position, the fifth channel 405A of the planar valve 40A is respectively communicated with the first channel 401A and the second channel 402A, the third channel 403A is blocked by the movable valve plate 422A, and the sixth channel 406A is communicated with the fourth channel 404A only, so that water flow can flow from the first channel 401A to the second channel 402A and free flow of water in the third channel 403A to the fourth channel 404A is prevented. Accordingly, the primary purified water generated from the first filter element 12 of the first filter device 10 is supplied to the second filter element 22 of the second filter device 20 by the water pressure, and is further purified by the second filter element 22 of the second filter device 20, and then supplied through the purified water outlet 202 of the second filter device 20. Therefore, when the planar valve 40A of the on-bench water purifier according to the embodiment of the utility model is at the first working position, the first communication channel 4001A formed by the valve core 42A of the planar valve 40A communicates with the first opening 4101 and the second opening 4102 of the planar valve 40A. Accordingly, when the planar valve 40A of the on-board water purifier of the present utility model is in the first operating position, the on-board water purifier of the present utility model is in its purifying operating state.

As shown in fig. 15A to 21F of the drawings, illustratively, when the planar valve 40A of the on-board water purifier according to the embodiment of the present utility model is at the second working position, the sixth channel 406A of the planar valve 40A is respectively communicated with the third channel 403A and the fourth channel 404A, the first channel 401A is blocked by the movable valve plate 422A, and the fifth channel 405A is communicated with only the second channel 402A, so that water flow can flow from the third channel 403A to the fourth channel 404A and free flow of water in the first channel 401A to the second channel 402A is prevented. Accordingly, when raw water or tap water flows into the first water flow passage 1101 from the first water flow opening 101 of the first filter device 10 of the on-counter water purifier according to the first embodiment of the present utility model under the action of water pressure, the raw water can flush the first water supply side 121 of the first filter element 12 of the first filter device 10 forward under the action of water pressure, and the generated sewage or wastewater flows from the third opening 4103, the third passage 403A, the sixth passage 406A, and the fourth passage 404A of the control valve 40A to the drain opening 4104 and is discharged. Therefore, when the planar valve 40A of the on-bench water purifier according to the embodiment of the utility model is at the second working position, the second communication channel 4002A formed by the valve core 42A of the planar valve 40A communicates with the third opening 4103 and the drain opening 4104 of the planar valve 40A. Accordingly, when the planar valve 40A of the on-board water purifier of the present utility model is in the second operating position, the on-board water purifier of the present utility model is in its forward flush operating state.

It is noted that when the planar valve 40A of the on-board water purifier according to the embodiment of the present utility model is at the first working position, the fifth channel 405A of the planar valve 40A is communicated with the first channel 401A and the second channel 402A, the third channel 403A is blocked by the movable valve plate 422A, and the sixth channel 406A is only communicated with the fourth channel 404A; when the planar valve 40A of the on-table water purifier according to the embodiment of the utility model is in the second working position, the sixth channel 406A of the planar valve 40A is communicated with the third channel 403A and the fourth channel 404A, the first channel 401A is blocked by the movable valve plate 422A, and the fifth channel 405A is only communicated with the second channel 402A. Therefore, the fifth channel 405A of the plane valve 40A is only used to guide the flow of the purified water generated by the first filtering device 10, and the sixth channel 406A of the plane valve 40A is only used to guide the flow of the sewage or wastewater generated by the first filtering device 10, which are independent from each other, thereby preventing the purified water generated by the first filtering device 10 from being polluted. As shown in fig. 15A to 21F of the drawings, the first water flow opening 101, the second water flow opening 102 and the third water flow opening 103 of the first filter device 10 of the on-counter water purifier according to the embodiment of the present utility model, the water inlet 201 and the purified water outlet 202 of the second filter device are all provided at the base 30 of the on-counter water purifier of the present utility model. Further, the second water flow opening 102 of the first filter device 10 and the first opening 4101 of the control valve 40A are communicated with each other through a first connection pipe 31, the water inlet 201 of the second filter device 20 and the second opening 4102 of the control valve 40A are communicated with each other through a second connection pipe 32, and the third water flow opening 103 of the first filter device 10 and the third opening 4103 of the control valve 40A are communicated with each other through a third connection pipe 33.

As shown in fig. 15A to 21F of the drawings, the fixed valve plate 421A of the valve body 42A of the on-table water purifier according to the embodiment of the present utility model includes a first end portion 4211A, a second end portion 4212A, and a fixed portion 4213A disposed between the first end portion 4211A and the second end portion 4212A, wherein the first end portion 4211A forms the first fluid control surface 4210A of the fixed valve plate 421A, and the second end portion 4212A is disposed in the valve chamber 410 of the valve body 41A. Preferably, the second end 4212A of the fixed valve plate 421A of the valve body 42A of the on-counter water purifier 40A of the present utility model is integrally provided on the inner wall of the valve body 41A of the on-counter water purifier 40A.

As shown in fig. 15B and 18A of the drawings, the control valve 40A of the bench water purifier according to the embodiment of the utility model further comprises a fixing device 50, wherein the fixing device 50 comprises a fixing bracket 51, a first clamping member 52 and a second clamping member 53, wherein the first clamping member 52 is disposed at the fixing portion 4213A of the fixed valve plate 421A, and the second clamping member 53 is disposed at the fixing bracket 51, wherein the first clamping member 52 and the second clamping member 53 are disposed to be adapted to be clamped with each other, such that the fixing portion 4213A of the fixed valve plate 421A can be fixed at the fixing bracket 51 by the first clamping member 52 and the second clamping member 53.

As shown in fig. 15A to 21F of the drawings, further, the first end portion 4211A of the fixed valve plate 421A is adapted to be detachably engaged with the fixed portion 4213A of the fixed valve plate 421A, and the fixed portion 4213A of the fixed valve plate 421A is adapted to be detachably engaged with the second end portion 4212A of the fixed valve plate 421A, so that the first end portion 4211A of the fixed valve plate 421A cannot rotate relative to the fixed portion 4213A, and the fixed portion 4213A of the fixed valve plate 421A cannot rotate relative to the second end portion 4212A.

It is noted that the first end portion 4211A of the fixed valve plate 421A of the valve core 42A of the on-table water purifier 40A of the present utility model is detachably clamped to the fixed portion 4213A of the fixed valve plate 421A, the fixed portion 4213A of the fixed valve plate 421A is detachably clamped to the second end portion 4212A of the fixed valve plate 421A, and the first end portion 4211A of the fixed valve plate 421A and the movable valve plate 422A are accommodated in the accommodating chamber 510 of the fixed bracket 51, such that the first end portion 4211A of the fixed valve plate 421A, the fixed portion 4213A and the movable valve plate 422A can be integrated together by the fixed bracket 51, the first clamping member 52 and the second clamping member 53 of the fixing device 50. In particular, since the first end portion 4211A of the fixed valve plate 421A forms the first fluid control surface 4210A of the fixed valve plate 421A, and the first end portion 4211A of the fixed valve plate 421A is detachably engaged with the fixed portion 4213A of the fixed valve plate 421A, the first end portion 4211A can be manufactured separately and a side of the first end portion 4211A facing the movable valve plate 422A can be easily processed, such as polished, to form the first fluid control surface 4210A. However, if the fixed valve sheet 421A of the valve body 42A of the on-counter water purifier of the present utility model is fixedly provided to the valve body 41A or the fixed valve sheet 421A of the valve body 42A of the on-counter water purifier 40A is integrally formed with the valve body 41A, it is difficult to process and obtain the first fluid control surface 4210A from the side of the first end portion 4211A of the fixed valve sheet 421A of the valve body 42A of the on-counter water purifier facing the movable valve sheet 422A.

As shown in fig. 15A to 21F of the drawings, the first fluid control surface 4210A of the fixed valve plate 421A of the on-table water purifier 40A according to the embodiment of the present utility model has a center portion 42101A shown by a dash-dot line and an edge portion 42102A extending outwardly from the center portion 42101A, wherein the center portion 42101A and the edge portion 42102A are provided at the top end portion 4214A of the fixed valve plate 421A, and the edge portion 42102A (or a portion other than the center portion 42101A) of the first fluid control surface 4210A is equally divided into a first portion 1001A, a second portion 1002A, a third portion 1003A, a fourth portion 1004A, a fifth portion 1005A and a sixth portion 1006A shown by dash-dot lines; the second fluid control surface 4220A of the movable valve plate 422A of the planar valve 40A has a central region 42201A shown by dashed lines and an edge region 42202A extending outward from the central region 42201A, wherein the central region 42201A and the edge region 42202A are provided at the bottom end portion 4221A of the movable valve plate 422A, and the edge region 42202A (portion other than the central region 42201A) of the second fluid control surface 4220A is equally divided into a first region 2001A, a second region 2002A, a third region 2003A, a fourth region 2004A, a fifth region 2005A and a sixth region 2006A shown by dashed lines; wherein the first channel 401A and the second channel 402A extend downward from the first portion 1001A and the second portion 1002A of the first fluid control surface 4210A of the fixed valve plate 421A, respectively, the fourth channel 404A and the third channel 403A extend downward from the fourth portion 1004A and the fifth portion 1005A of the first fluid control surface 4210A of the fixed valve plate 421A, respectively, the fifth channel 405A extends between the first region 2001A and the second region 2002A of the second fluid control surface 4220A of the moving valve plate 422A, and the sixth channel 406A extends between the third region 2003A and the fourth region 2004A of the second fluid control surface 4220A of the moving valve plate 422A.

As shown in fig. 15A to 21F of the drawings, preferably, the edge portion 42102A of the first fluid control surface 4210A is divided equally clockwise into the first portion 1001A, the second portion 1002A, the third portion 1003A, the fourth portion 1004A, the fifth portion 1005A and the sixth portion 1006A, and the edge region 42202A of the second fluid control surface 4220A of the movable valve plate 422A of the planar valve 40A is divided equally clockwise into the first region 2001A, the second region 2002A, the third region 2003A, the fourth region 2004A, the fifth region 2005A and the sixth region 2006A. In other words, the first fluid control surface 4210A of the fixed valve plate 421A of the planar valve 40A forms six halves, wherein the third and fourth halves (the first and second regions 2001A and 2002A) of the second fluid control surface 4220A of the movable valve plate 422A of the planar valve 40A are respectively opposite to the third and fourth halves (the first and second portions 1001A and 1002A) of the first fluid control surface 4210A of the fixed valve plate 421A when the movable valve plate 422A of the planar valve 40A is rotated to the first and second halves (the third and fourth regions 2003A and 2004A) of the second fluid control surface 4220A of the movable valve plate 422A, respectively, the third and fourth halves (the third and fourth portions 1003A and 2002A) of the first fluid control surface 4210A of the fixed valve plate 421A are respectively opposite to the third and fourth halves (the first and second portions 1001A and 1002A), and the first passage 401A of the second fluid control surface 4220A of the movable valve plate 422A of the planar valve 40A is open. Correspondingly, the water purifier on the bench is in the purifying working state at the moment. Further, when the movable valve plate 422A of the planar valve 40A is rotated to the third and fourth halves (the third and fourth areas 2003A and 2004A) of the second fluid control surface 4220A of the movable valve plate 422A, respectively, the fourth and fifth halves (the fourth and fifth portions 1004A and 1005) of the first fluid control surface 4210A of the fixed valve plate 421A are opposite to the fourth and fourth passages 403A and 404A, respectively, of the first fluid control surface 4210A of the fixed valve plate 421A, the sixth passage 406A of the planar valve 40A is in communication with the fourth passage 403A. Correspondingly, the water purifier on the bench is in the forward flushing working state.

As shown in fig. 15A to 21F of the drawings, it is preferable that the first channel 401A and the second channel 402A of the planar valve 40A of the on-table water purifier according to the embodiment of the present utility model are adjacent, and the fourth channel 404A and the third channel 403A are adjacent.

As shown in fig. 15A to 21F of the drawings, preferably, the first channel 401A, the second channel 402A, the fourth channel 404A and the third channel 403A are arranged clockwise in this order on the first fluid control surface 4210A of the fixed valve plate 421A, and the fifth channel 405A and the sixth channel 406A are arranged on the second fluid control surface 4220A of the movable valve plate 422A. It will be appreciated that at this time, when the planar valve 40A is in the first operating position, the fifth passage 405A of the planar valve 40A is in communication with the first passage 401A and the second passage 402A, respectively, thereby forming the first communication passage 4001A in communication with the first opening 4101 and the second opening 4102, respectively, and the third passage 403A of the planar valve 40A is blocked by the movable valve plate 422A, the sixth passage 406A is in communication with only the fourth passage 404A, thereby allowing water flow from the first passage 401A to the second passage 402A, and preventing free flow of water in the third passage 403A to the fourth passage 404A; when the planar valve 40A is in the second operating position, the sixth channel 406A of the planar valve 40A communicates with the third channel 403A and the fourth channel 404A, respectively, thereby forming the second communication channel 4002A that communicates with the third opening 4103 and the drain opening 4104, respectively, and the first channel 401A is blocked by the movable valve plate 422A, the fifth channel 405A communicates with only the second channel 402A, thereby allowing water flow from the third channel 403A to the fourth channel 404A, and preventing free flow of water in the first channel 401A to the second channel 402A. Optionally, the second channel 402A, the first channel 401A, the fourth channel 404A and the third channel 403A are arranged in this order clockwise on the first fluid control surface 4210A of the fixed valve plate 421A. It will be appreciated that at this time, when the planar valve 40A is in the first operating position, the fifth passage 405A of the planar valve 40A is in communication with the first passage 401A and the second passage 402A, respectively, thereby forming a first communication passage 4001A in communication with the first opening 4101 and the second opening 4102, respectively, and the third passage 403A of the planar valve 40A is blocked by the movable valve plate 422A, the sixth passage 406A is in communication with only the fourth passage 404A, thereby allowing water flow from the first passage 401A to the second passage 402A, and preventing free flow of water in the third passage 403A to the fourth passage 404A; when the planar valve 40A is in the second operating position, the sixth passage 406A of the planar valve 40A communicates with the third passage 403A and the fourth passage 404A, respectively, thereby forming the second communication passage 4002A communicating with the third opening 4103 and the drain opening 4104, respectively, and the second passage 402A is blocked by the movable valve plate 422A, the fifth passage 405A communicates with only the first passage 401A, thereby allowing water flow from the third passage 403A to the fourth passage 404A, and preventing free flow of water in the first passage 401A to the second passage 402A. Optionally, the first channel 401A, the second channel 402A, the third channel 403A, and the fourth channel 404A of the planar valve 40A are arranged clockwise in this order on the first fluid control surface 4210A of the fixed valve plate 421A. It will be appreciated that at this time, when the planar valve 40A is in the first operating position, the fifth passage 405A of the planar valve 40A is in communication with the first passage 401A and the second passage 402A, respectively, thereby forming a first communication passage 4001A in communication with the first opening 4101 and the second opening 4102, respectively, and the fourth passage 404A of the planar valve 40A is blocked by the movable valve plate 422A, the sixth passage 406A is in communication with only the third passage 403A, thereby allowing water flow from the first passage 401A to the second passage 402A, and preventing free flow of water in the third passage 403A to the fourth passage 404A; when the planar valve 40A is in the second operating position, the sixth channel 406A of the planar valve 40A communicates with the third channel 403A and the fourth channel 404A, respectively, thereby forming the second communication channel 4002A that communicates with the third opening 4103 and the drain opening 4104, respectively, and the first channel 401A is blocked by the movable valve plate 422A, the fifth channel 405A communicates with only the second channel 402A, thereby allowing water flow from the third channel 403A to the fourth channel 404A, and preventing free flow of water in the first channel 401A to the second channel 402A. Optionally, the second channel 402A, the first channel 401A, the third channel 403A and the fourth channel 404A of the planar valve 40A are arranged in this order clockwise on the first fluid control surface 4210A of the fixed valve plate 421A. It will be appreciated that at this time, when the planar valve 40A is in the first operating position, the fifth passage 405A of the planar valve 40A is in communication with the first passage 401A and the second passage 402A, respectively, thereby forming a first communication passage 4001A in communication with the first opening 4101 and the second opening 4102, respectively, and the fourth passage 404A of the planar valve 40A is blocked by the movable valve plate 422A, the sixth passage 406A is in communication with only the third passage 403A, thereby allowing water flow from the first passage 401A to the second passage 402A, and preventing free flow of water in the third passage 403A to the fourth passage 404A; when the planar valve 40A is in the second operating position, the sixth passage 406A of the planar valve 40A communicates with the third passage 403A and the fourth passage 404A, respectively, thereby forming the second communication passage 4002A communicating with the third opening 4103 and the drain opening 4104, respectively, and the second passage 402A is blocked by the movable valve plate 422A, the fifth passage 405A communicates with only the first passage 401A, thereby allowing water flow from the third passage 403A to the fourth passage 404A, and preventing free flow of water in the first passage 401A to the second passage 402A. Preferably, the first channel 401A, the second channel 402A, the fourth channel 404A and the third channel 403A of the planar valve 40A are disposed at the first fluid control surface 4210A of the fixed valve plate 12 in a spaced apart relationship.

It should be noted that, as shown in fig. 15A to 21F of the drawings, when the user needs to switch the planar valve 40A of the on-board water purifier according to the embodiment of the utility model from the cleaning operation state to the forward flushing operation state, the moving valve plate 422A of the planar valve 40A only needs to be rotated clockwise by an equal angle (or 60 degrees).

Optionally, the first channel 401A, the second channel 402A, the fourth channel 404A and the third channel 403A of the planar valve 40A may also be disposed counterclockwise on the first fluid control surface 4210A of the fixed valve plate 421A. At this time, when the user needs to switch the planar valve 40A of the on-bench water purifier according to the embodiment of the utility model from the cleaning operation state to the forward flushing operation state, the movable valve plate 422A of the planar valve 40A only needs to be rotated counterclockwise by an equal angle (or 60 degrees).

Referring to fig. 22 to 25C of the drawings, a bench water purifier according to a second embodiment of the present utility model, which is configured to purify raw water (e.g., tap water), is illustrated.

As shown in fig. 22 to 32F of the drawings, the bench water purifier according to the second embodiment of the present utility model comprises a first filter device 10, a base 30 and a control valve 40B, wherein the first filter device 10 and the control valve 40B are provided at the base 30, wherein the first filter device 10 comprises a first housing 11 and a first cartridge 12, the control valve 40B comprises a valve body 41B and a cartridge 42B, wherein the first housing 11 forms a first receiving chamber 110, the valve body 41B forms a valve chamber 410B, a first opening 4101B, a second opening 4102B, a third opening 4103B, a fourth opening 4104B, a drain opening 4105B and a raw water inlet 4106B, wherein the cartridge 42B is provided at the valve chamber 410B, the first cartridge 12 is provided at the first receiving chamber 110, and the first housing 11 and the first cartridge 12 form a first channel 103 therebetween, wherein the first filter device 10B is in communication with the first opening 10B, the first filter device 10B is in communication with the first opening 40B, the first filter device 10B is in communication with the first opening 10B, the first filter device 10B is in communication with the first opening 40B is in communication with the first opening 10B, and the third opening 10B is in communication with the first opening 10B is in communication with the first opening.

As shown in fig. 22 to 32F of the drawings, the bench water purifier according to the second embodiment of the utility model further comprises a second filtering device 20, the second filtering device 20 being provided at the base 30, wherein the second filtering device 20 comprises a second housing 21 and a second filter cartridge 22, wherein the second housing 21 forms a second receiving chamber 210, the second filter cartridge 22 is provided in the second receiving chamber 210, wherein the second housing 21 and the second filter cartridge 22 form a second water flow channel 2101 therebetween, wherein the second filtering device has a water inlet 201 and a purified water outlet 202, and the water inlet 201 of the second filtering device 20 communicates with the second opening 4102 of the control valve 40B and the second water flow channel 2101 of the second filtering device 20, respectively.

It will be appreciated that the first filter element 12 of the first filter device 10 and the second filter element 22 of the second filter device 20 are both purification filter elements. Preferably, the first filter element 12 of the first filter device 10 is an ultrafiltration filter element and the second filter element 22 of the second filter device 20 is a composite filter element. For example, the second filter element 22 of the second filter device 20 is a composite filter element of activated carbon and an ultrafiltration filter element. More preferably, the first filter cartridge 12 of the first filter device 10 is an external pressure type ultrafiltration filter cartridge. Optionally, the second filter element 22 of the second filter device 20 is composed of any two or more materials of carbon rods, softening resin, ceramics, carbon fibers, PP cotton, activated carbon particles, and ultrafiltration filter elements. Optionally, the first filter element 12 of the first filter device 10 is a composite filter element, and is composed of any two or more materials of ceramic, carbon fiber, PP cotton, activated carbon particles and ultrafiltration filter element.

As shown in fig. 22 to 32F of the drawings, the first filter cartridge 12 of the first filter device 10 of the bench water purifier according to the second embodiment of the utility model forms a first water supply side 121 and a first water purification side 122, wherein the second water flow opening 102 of the first filter device 10 is formed at the first water purification side 122, and the first water flow passage 1101 is formed between the first housing 11 and the first water supply side 121 of the first filter cartridge 12.

As shown in fig. 22 to 32F of the drawings, the second filter cartridge 22 of the second filter device 20 of the on-bench water purifier according to the second embodiment of the utility model forms a second water supply side 221 and a second water purification side 222, wherein the water purification outlet 202 of the second filter device 20 is formed at the second water purification side 222, and the second water flow channel 2101 is formed between the second housing 21 and the second water supply side 221 of the second filter cartridge 22.

As shown in fig. 31A of the drawings, the control valve 40B of the bench water purifier according to the second embodiment of the utility model has a first operation position, wherein when the control valve 40B is at the first operation position, the spool 42B of the control valve 40B forms a first communication channel 4001B and a second communication channel 4002B, wherein the first communication channel 4001B communicates with the raw water inlet 4106B and the fourth opening 4104B of the valve body 41B, respectively, and the second communication channel 4002B communicates with the first opening 4101B and the second opening 4102B of the valve body 41B, respectively. Further, when the control valve 40B is in the first operating position, there is no communication between the third opening 4103B of the valve body 11B and the drain opening 4105B. Accordingly, when the control valve 40B is in the first operating position, raw water or tap water flows under the action of water pressure from the raw water inlet 4106B, the first communication passage 4001B, the fourth opening 4104B and the first water flow opening 101 of the first filter device 10 of the on-counter water purifier 40B of the second embodiment of the utility model into the first water flow passage 1101, and purified water is treated and generated by the first filter cartridge 12, and purified water treated and generated by the first filter cartridge 12 can flow under the action of water pressure from the second water flow opening 102 of the first filter device 10 and flow to the first opening 4101B of the control valve 40B and from the first opening 4101B of the control valve 40B through the second communication passage 4102B to the second opening 4102B of the control valve 40B, and then flows under the action of water pressure from the second opening 4102B of the control valve 40B, the water inlet 201 of the second filter device 20 into the second water flow passage 2101 of the second filter device 20 and the second filter cartridge 20, and further purified water is generated by the second filter cartridge 20. Accordingly, when the control valve 40B of the on-board water purifier according to the embodiment of the present utility model is controlled to be in the first operating position, the on-board water purifier of the present utility model is controlled to be in its purifying operating state. Accordingly, the purified water produced by the first cartridge 12 can be regarded as primary purified water, and the purified water produced by further purifying the primary purified water by the second cartridge 22 can be regarded as secondary purified water. Thus, the first filter element 12 of the first filter device 10 can be considered the primary filter element of the on-board water purifier of the present utility model, and the second filter element 22 of the second filter device 20 can be considered the secondary filter element of the on-board water purifier of the present utility model. Preferably, when the bench water purifier of the second embodiment of the present utility model is in the purifying operation state, the water flow cannot flow from the third opening 4103B of the control valve 40B to the drain opening 4105B, so as to ensure that the water pressure in the first water flow passage 1101 is high enough and ensure that the purified water flow rate generated by the first filter element 12 of the first filtering device 10 is high enough, so that the second filter element 22 of the second filtering device 20 can purify the first purified water again under the water pressure.

As shown in fig. 31B of the drawings, the control valve 40B of the bench water purifier according to the embodiment of the utility model further has a second operation position, wherein when the control valve 40B is at the second operation position, the spool 42B of the control valve 40B forms a third communication channel 4003B and a fourth communication channel 4004B, wherein the third communication channel 4003B communicates with the raw water inlet 4106B and the third opening 4103B of the valve body 41B, respectively, and the fourth communication channel 4004B communicates with the fourth opening 4104B and the drain opening 4105B of the valve body 11B, respectively. Further, when the control valve 40B is in the second operating position, there is no communication between the first opening 4101B and the second opening 4102B of the valve body 41B. Accordingly, when the control valve 40B is at the second working position, raw water or tap water flows into the first water flow passage 1101 from the raw water inlet 4106B, the third communication passage 4003B, the third opening 4103B and the third water flow opening 103 of the first filter device 10 of the on-table water purifier of the second embodiment of the present utility model under the hydraulic pressure, and washes the first water supply side 121 of the first filter element 12 of the first filter device 10 in the forward direction under the hydraulic pressure, and the generated sewage or wastewater flows from the first water flow opening 101 of the first filter device 10, the fourth opening 4104B and the fourth communication passage 4004B of the control valve 40B to the drain opening 4105B and is discharged. Accordingly, when the control valve 40B of the on-board water purifier according to the embodiment of the present utility model is controlled to be in the second working position, the on-board water purifier of the present utility model is controlled to be in its forward flushing working state. It will be appreciated that if the first filter element 12 of the first filter device 10 is an external pressure type ultrafiltration filter element, the raw water is washed by the outer surface of the ultrafiltration membrane filaments of the external pressure type ultrafiltration filter element; if the first filter element 12 of the first filter device 10 is a ceramic or carbon rod filter element, the raw water is flushed with the outer surface of the ceramic or carbon rod filter element. Preferably, when the bench water purifier of the second embodiment of the present utility model is in the forward flushing operation state, water cannot flow from the first opening 4101B of the control valve 40B to the second opening 4102B, so as to ensure that the water pressure in the first water flow channel 1101 is sufficiently high and ensure the effect of forward flushing of the first filter element 12 of the first filtering device 10 with raw water. This is a significant difference between the present on-board water purifier and the existing two-stage filtered on-board water purifier. The two-stage filter elements of the existing bench water purifier capable of realizing two-stage filtration are mostly connected in series through simple connection. When the user carries out the forward flushing to the first order filter core, because the second grade filter core is kept filtering and is switched on, causes the reduction to water pressure, simultaneously because the first order filter core also keeps filtering state, leads to filth to be compressed tightly at the filter media surface of first order filter core by water pressure, leads to the raw water unable better flushing to the first order filter core. In addition, most of the two-stage filter elements of the existing bench water purifier capable of realizing two-stage filtration are connected in series through simple connection, and sewage or wastewater generated by forward flushing cannot be discharged through independent sewage channels.

As shown in fig. 22 to 32F of the drawings, the first water flow opening 101 and the third water flow opening 103 of the first filtering device 10 of the on-table water purifier according to the second embodiment of the present utility model are respectively disposed at positions spaced far apart. Preferably, the first water flow opening 101 and the third water flow opening 103 of the first filter device 10 are provided at opposite sides of the first filter device 10, respectively, to ensure a path through which raw water flows when flowing in the first water flow passage 1101 is long enough and to ensure an effect that raw water washes the first filter cartridge 12 of the first filter device 10 in a forward direction. It is apparent that if the first water flow opening 101 and the third water flow opening 103 of the first filtering device 10 are located too close together, a water path short circuit is easily caused, and raw water directly flows from the first water flow opening 101 to the third water flow opening 103.

As shown in fig. 22 to 32F of the drawings, the first filtering device 10 of the on-table water purifier according to the second embodiment of the present utility model further has a first base 14, wherein the first housing 11 and the first filter element 12 are both disposed on the first base 14, and the first base 14 is disposed on the base 30. Preferably, the first housing 11 is screwed to the first base 14. Preferably, the first base 14 is integrally formed with the base 30.

As shown in fig. 22 to 32F of the drawings, the first filter element 12 of the first filter device 10 of the bench-top water purifier according to the second embodiment of the utility model further has a flow guiding sleeve 124, wherein the flow guiding sleeve 124 extends upward from the first base 14 and surrounds the ultrafiltration membrane filaments of the first filter element 12. Preferably, the first water flow opening 101 and the third water flow opening 103 are both provided at the first base 14. More preferably, the first water flow opening 101 is formed in the portion of the first base 14 between the flow sleeve 124 and the first housing 11, and the third water flow opening 103 is formed in the portion of the first base 14 between the flow sleeve 124 and the ultrafiltration membrane filaments of the first cartridge 12. Accordingly, when the user performs forward flushing on the primary filter element, the diversion sleeve 124 can guide the raw water flowing into the first water flow channel 1101 from the third water flow opening 103 to flow upwards and prevent the raw water from flowing out after flowing directly to the first water flow opening 101. Optionally, the first water flow opening 101 is formed in a first base 14 portion between the flow sleeve 124 and the ultrafiltration membrane filaments of the first cartridge 12, and the third water flow opening 103 is formed in a first base 14 portion between the flow sleeve 124 and the first housing 11. At this time, the diversion sleeve 124 can guide the raw water flowing into the first water flow channel 1101 from the third water flow opening 103 to flow upwards and prevent the raw water from flowing out after flowing directly into the first water flow opening 101 when the user washes the primary filter element forward.

As shown in fig. 22 to 32F of the drawings, the second filtering device 20 of the on-table water purifier according to the second embodiment of the present utility model further has a second base 24, wherein the second housing 21 and the second filter 22 are both disposed on the second base 24, and the second base 24 is disposed on the base 30. Preferably, the second housing 21 is screwed to the second base 24. Preferably, the water inlet 201 and the purified water outlet 202 of the second filtering device 20 are formed at the second base 24. Preferably, the second base 24 is integrally formed with the base 30.

As shown in fig. 22 to 32F of the drawings, the first base 14, the second base 24 and the base 30 of the on-table water purifier according to the second embodiment of the present utility model form a receiving chamber 300 so that the connection lines between the first filtering means 10 and the control valve 40B, the connection lines between the second filtering means 20 and the control valve 40B of the on-table water purifier according to the present utility model can be collectively installed in the receiving chamber 300. The connecting pipeline between the first filtering device 10 and the control valve 40B and the connecting pipeline between the second filtering device 20 and the control valve 40B are arranged in a manner which is beneficial to the beauty of the bench water purifier of the utility model and the protection of the connecting pipeline from being knocked and damaged.

As shown in fig. 22 to 32F of the drawings, the second filter cartridge 22 of the second filter device 20 of the on-table water purifier according to the second embodiment of the present utility model includes a first purification layer 223 and a second purification layer 225. Further, the first purification layer 223 is made of an activated carbon material and the second purification layer 225 is made of an ultrafiltration material. Accordingly, after raw water is filtered through the first filter cartridge 12 of the first filter device 10, the raw water flows into the first purification layer 223 of the second filter cartridge 22 of the second filter device 20, and since the first purification layer 223 made of activated carbon is easily grown with bacteria, preferably the second purification layer 225 is made of an ultrafiltration material, more preferably the pore size of the ultrafiltration material making up the second purification layer 225 is smaller than the pore size of the ultrafiltration material making up the first filter cartridge 12 of the first filter device 10, to further prevent bacteria from entering the second purification layer 225 from the first purification layer 223 and to contaminate secondary purified water provided to a user. Accordingly, the first purification layer 223 of the second filter cartridge 22 of the second filter device 20 forms the second water supply side 221, and the second purification layer 225 of the second filter cartridge 22 of the second filter device 20 forms the second water purification side 222.

As shown in fig. 26A to 32F of the drawings, the control valve 40B of the on-table water purifier according to the embodiment of the present utility model is a planar valve, wherein the valve core 42B of the planar valve 40B further comprises a fixed valve sheet 421B and a movable valve sheet 422B, wherein the fixed valve sheet 421B has a first fluid control surface 4210B, the movable valve sheet 422B has a second fluid control surface 4220B, wherein the movable valve sheet 422B and the fixed valve sheet 421B are both disposed in the valve cavity 410B, wherein the second fluid control surface 4220B of the movable valve sheet 422B is disposed on the first fluid control surface 4210B of the fixed valve sheet 421B, and the movable valve sheet 422B is disposed to be rotatable with respect to the fixed valve sheet 421B.

As shown in fig. 26A to 32F of the drawings, further, the planar valve 40B of the on-board water purifier according to the embodiment of the present utility model has a first channel 401B, a second channel 402B, a third channel 403B, a fourth channel 404B, a fifth channel 405B, a sixth channel 406B, a seventh channel 407B and an eighth channel 408B, wherein the first channel 401B, the second channel 402B, the third channel 403B, the fourth channel 404B and the fifth channel 405B are respectively disposed on the fixed valve plate 421B and respectively extend from the first fluid control surface 4210B of the fixed valve plate 421B; the sixth channel 406B, the seventh channel 407B, and the eighth channel 408B are respectively disposed on the movable valve plate 422B and respectively extend from the second fluid control surface 4220B of the movable valve plate 422B, wherein the first channel 401B is in communication with the first opening 4101B, the second channel 402B is in communication with the second opening 4102B, the third channel 403B is in communication with the third opening 4103B, the fourth channel 404B is in communication with the fourth opening 4104B, the fifth channel 405B is in communication with the drain opening 4105B, the sixth channel 406B is in communication with the raw water inlet 4106B, the eighth channel 408B is in communication with the fifth channel 405B, and the eighth channel 408B is in communication with the drain opening 4105B through the fifth channel 405B. It is understood that the seventh channel 407B and the eighth channel 408B of the movable valve plate 422B are preferably blind vias. Preferably, the sixth passage 406B and the raw water inlet 4106B are respectively communicated with the valve chamber 410B, that is, the raw water inlet 4106B is communicated with the sixth passage 406B through the valve chamber 410B.

As shown in fig. 26A to 32F of the drawings, the movable valve plate 422B of the flat valve 40B of the on-table water purifier according to the embodiment of the present utility model can rotate relative to the fixed valve plate 421B so that the flat valve 40B has the first operating position and the second operating position, wherein when the flat valve 40B is in the first operating position, the sixth channel 406B of the flat valve 40B communicates with the fourth channel 404B to form the first communicating channel 4001B communicating with the fourth opening 4104B and the raw water inlet 4106B, respectively, and the seventh channel 407B communicates with the first channel 401B and the second channel 402B, respectively, to form the second communicating channel 4002B communicating with the first opening 4101B and the second opening 4102B, respectively. When the plane valve 40B is in the second working position, the sixth passage 406B of the plane valve 40B communicates with the third passage 403B to form the third communication passage 4003B communicating with the raw water inlet 4106B and the third opening 4103B, respectively, and the eighth passage 408B communicates with the fourth passage 404B and the fifth passage 405B, respectively, to form the fourth communication passage 4004B communicating with the fourth opening 4104B and the drain opening 4105B, respectively.

As shown in fig. 26A to 32F of the drawings, illustratively, when the planar valve 40B of the on-board water purifier according to the embodiment of the present utility model is at the first working position, the seventh passage 407B of the planar valve 40B is respectively communicated with the first passage 401B and the second passage 402B, the third passage 403B is blocked by the movable valve plate 422B, and the eighth passage 408B is communicated with only the fifth passage 405B, so that water flow can flow from the first passage 401B to the second passage 402B and free flow of water in the third passage 403B to the fifth passage 405B is prevented. Accordingly, the raw water or tap water flows into the sixth passage 406B from the raw water inlet 4106B of the planar valve 40B of the on-table water purifier according to the second embodiment of the present utility model under the action of the water pressure, flows into the first water flow opening 101 of the first filter device 10 through the fourth passage 404B and the fourth passage 4104B, flows into the first water flow passage 1101 of the first filter device 10, and the primary purified water generated by the first filter element 12 of the first filter device 10 flows out from the second water flow opening 102 of the first filter device 10 under the action of the water pressure, flows through the first opening 4101B, the first passage 401B, the seventh passage 407B, and the second passage 402B of the control valve 40B to the second opening 4102B, flows toward the water inlet 201 of the second filter device 20, and is further purified by the second filter element 22 of the second filter device 20, and is provided through the purified water outlet 202 of the second filter device 20. Accordingly, when the planar valve 40B of the on-board water purifier of the present utility model is in the first operating position, the on-board water purifier of the present utility model is in its purifying operating state.

As shown in fig. 26A to 32F of the drawings, when the flat valve 40B of the on-table water purifier according to the embodiment of the present utility model is at the second working position, the eighth passage 408B of the flat valve 40B is respectively communicated with the fourth passage 404B and the fifth passage 405B, the first passage 401B is blocked by the movable valve plate 422B, and the seventh passage 407B is communicated with only the second passage 402B, so that water flow from the fourth passage 404B to the fifth passage 405B is allowed and free flow of water in the first passage 401B to the second passage 402B is prevented. Accordingly, when raw water or tap water flows into the sixth channel 406B from the raw water inlet 4106B of the planar valve 40B of the on-board water purifier according to the second embodiment of the present utility model under the action of water pressure, flows into the third water flow opening 103 of the first filtering device 10 through the third channel 403B, flows into the first water flow channel 1101 of the first filtering device 10, and then the raw water can flush the first water supply side 121 of the first filter element 12 of the first filtering device 10 forward under the action of water pressure, and the generated sewage or wastewater flows out from the first water flow opening 101 of the first filtering device 10, flows through the fourth opening 4104B, the fourth channel 404B, the eighth channel 408B, and the fifth channel 405B of the control valve 40B in sequence, flows to the drain opening 4105B, and is discharged. Accordingly, when the planar valve 40B of the on-board water purifier of the present utility model is in the second operating position, the on-board water purifier of the present utility model is in its forward flush operating state.

As shown in fig. 26A to 32F of the drawings, the first water flow opening 101, the second water flow opening 102 and the third water flow opening 103 of the first filtering device 10 of the on-counter water purifier according to the embodiment of the present utility model are formed at the first base 14, and the water inlet 201 and the purified water outlet 202 of the second filtering device are formed at the second base 24. Further, the second water flow opening 102 of the first filter device 10 and the first opening 4101B of the control valve 40B are communicated with each other through a first connection pipe 31, the water inlet 201 of the second filter device 20 and the second opening 4102B of the control valve 40B are communicated with each other through a second connection pipe 32, the third water flow opening 103 of the first filter device 10 and the third opening 4103B of the control valve 40B are communicated with each other through a third connection pipe 33, and the first water flow opening 101 of the first filter device 10 and the fourth opening 4104B of the control valve 40B are communicated with each other through a fourth connection pipe 34.

As shown in fig. 26A to 32F of the drawings, the fixed valve plate 421B of the valve body 42B of the on-table water purifier according to the embodiment of the present utility model includes a first end portion 4211B, a second end portion 4212B, and a fixed portion 4213B disposed between the first end portion 4211B and the second end portion 4212B, wherein the first end portion 4211B forms the first fluid control surface 4210B of the fixed valve plate 421B, and the second end portion 4212B is disposed in the valve chamber 410B of the valve body 41B. Preferably, the second end 4212B of the fixed valve plate 421B of the valve body 42B of the on-counter water purifier of the present utility model is integrally provided on the inner wall of the valve body 41B of the on-counter water purifier 40B.

As shown in fig. 26A to 32F of the drawings, the first fluid control surface 4210B of the fixed valve plate 421B of the on-table water purifier 40B according to the embodiment of the present utility model has a central portion 42101B shown by a dash-dot line and an edge portion 42102B extending outwardly from the central portion 42101B, wherein the central portion 42101B and the edge portion 42102B are provided at the top end portion 4214B of the fixed valve plate 421B, and the edge portion 42102B (or a portion other than the central portion 42101B) of the first fluid control surface 4210B is equally divided into a first portion 1001B, a second portion 1002B, a third portion 1003B, a fourth portion 1004B and a fifth portion 1005B shown by dash-dot lines; the second fluid control surface 4220B of the movable valve plate 422B of the planar valve 40B has a central region 42201B shown by dashed lines and an edge region 42202B extending outwardly from the central region 42201B, wherein the central region 42201B and the edge region 42202B are provided at the bottom end portion 4221B of the movable valve plate 422B, and the edge region 42202B (portion other than the central region 42201B) of the second fluid control surface 4220B is equally divided into a first region 2001B, a second region 2002B, a third region 2003B, a fourth region 2004B and a fifth region 2005B shown by dashed lines; wherein the first channel 401B and the second channel 402B extend downward from the first portion 1001B and the second portion 1002B of the first fluid control surface 4210B of the fixed valve plate 421B, respectively, the fourth channel 404B and the third channel 403B extend downward from the fourth portion 1004B and the fifth portion 1005B of the first fluid control surface 4210B of the fixed valve plate 421B, respectively, the fifth channel 405B extends downward from the center portion 42101B of the first fluid control surface 4210B of the fixed valve plate 421B, the sixth channel 406B extends in the fourth region 2004B of the second fluid control surface 4220B of the valve plate 422B, the seventh channel 407B extends between the first region 2001B and the second region 2002B of the second fluid control surface 4220B of the valve plate 422B, and the eighth channel 408B extends between the third region 2003B and the center region 2003B of the second fluid control surface 4220B of the valve plate 422B.

As shown in fig. 26A to 32F of the drawings, preferably, the edge portion 42102B of the first fluid control surface 4210B is divided equally clockwise into the first portion 1001B, the second portion 1002B, the third portion 1003B, the fourth portion 1004B and the fifth portion 1005B, and the edge region 42202B of the second fluid control surface 4220B of the movable valve plate 422B of the planar valve 40B is divided equally clockwise into the first region 2001B, the second region 2002B, the third region 2003B, the fourth region 2004B and the fifth region 2005B. In other words, the first fluid control surface 4210B of the fixed valve plate 421B of the planar valve 40B forms five halves, wherein when the second fluid control surface 4220B of the movable valve plate 422B of the planar valve 40B is rotated to the third (the third portion 1003B) of the second fluid control surface 4220B of the movable valve plate 422B, the first and second portions 2001B and 2002B of the planar valve 40B face the first and second halves (the first and second portions 1001B and 1002B) of the first fluid control surface 4210B of the fixed valve plate 421B, the third half (the third region 2003B) of the second fluid control surface 4220B of the movable valve plate 422B of the planar valve 40B face the third (the third portion 1003B) of the second fluid control surface 4210B of the fixed valve plate 422B, the fourth half (the fourth region 2003B) of the second fluid control surface 4220B of the planar valve 40B face the fourth (the fourth portion 2001B and second portion 1002B) of the fourth fluid control surface 4220B of the planar valve 40B face the fourth fluid control surface 4240B face the fourth (the fourth portion 401B of the fourth fluid control surface portion of the fluid control surface 4220B of the planar valve 40B face the fourth fluid communication with the fourth channel 402B of the fourth fluid control surface portion 402B). Correspondingly, the water purifier on the bench is in the purifying working state at the moment. Further, when the movable vane 422B of the planar valve 40B is rotated to the third bisection (the third region 2003B) of the second fluid control surface 4220B of the movable vane 422B to face the fourth bisection (the fourth portion 1004B) of the first fluid control surface 4210B of the fixed vane 421B, the fourth bisection (the fourth region 2004B) of the second fluid control surface 4220B of the movable vane 422B of the planar valve 40B faces the fifth bisection (the fifth portion 1005B) of the first fluid control surface 4210B of the fixed vane 421B, thereby causing the sixth passage 406B of the planar valve 40B to communicate with the third passage 403B, and the eighth passage 408B of the planar valve 10 opens the fourth passage 404B and the fifth passage 405B. Correspondingly, the water purifier on the bench is in the forward flushing working state.

As shown in fig. 26A to 32F of the drawings, it is preferable that the first channel 401B and the second channel 402B of the planar valve 40B of the on-table water purifier according to the embodiment of the present utility model are adjacent, and the third channel 403B and the fourth channel 404B are adjacent.

As shown in fig. 26A to 32F of the drawings, preferably, the first channel 401B, the second channel 402B, the fourth channel 404B and the third channel 403B are arranged in this order clockwise on the first fluid control surface 4210B of the fixed valve plate 421B, and the first channel 401B, the second channel 402B, the fourth channel 404B and the third channel 403B are arranged around the fifth channel 405B, and the seventh channel 407B, the eighth channel 408B and the sixth channel 406B are arranged in this order clockwise on the second fluid control surface 4220B of the movable valve plate 422B. It will be appreciated that at this time, when the plane valve 40B is in the first operating position, the sixth passage 406B communicates with the fourth passage 404B and the raw water inlet 4106B, respectively, the seventh passage 407B of the plane valve 40B communicates with the first passage 401B and the second passage 402B, respectively, thereby forming the first communicating passage 4001B communicating with the fourth opening 4104B and the raw water inlet 4106B, respectively, and the second communicating passage 4002B communicating with the first opening 4101B and the second opening 4102B, respectively, and the third passage 403B of the plane valve 40B is blocked by the movable valve plate 422B, the eighth passage 408B communicates with only the fifth passage 405B, so that water flow can flow from the first passage 401B to the second passage 402B, and free flow of water flow in the third passage 403B is blocked; when the plane valve 40B is in the second working position, the sixth passage 406B communicates with the third passage 403B and the raw water inlet 4106B, respectively, the eighth passage 408B of the plane valve 40B communicates with the fourth passage 404B and the fifth passage 405B, respectively, thereby forming the third communication passage 4003B communicating with the third opening 4103B and the raw water inlet 4106B, respectively, and the fourth communication passage 4004B communicating with the fourth opening 4104B and the drain opening 4105B, respectively, and the first passage 401B is blocked by the movable valve plate 422B, the seventh passage 407B communicates with only the second passage 402B, so that water flow from the fourth passage 404B can flow to the fifth passage 405B, and free flow of water in the first passage 401B to the second passage 402B is prevented. Preferably, the first channel 401B, the second channel 402B, the fourth channel 404B and the third channel 403B of the planar valve 40B are spaced apart from each other on the first fluid control surface 4210B of the fixed valve plate 12B.

Optionally, the second channel 402B, the first channel 401B, the third channel 403B, and the fourth channel 404B are arranged in this order clockwise on the first fluid control surface 4210B of the fixed valve plate 421B. It will be appreciated that at this time, when the plane valve 40B is in the first working position, the sixth passage 406B is respectively communicated with the third passage 403B and the raw water inlet 4106B, the seventh passage 407B of the plane valve 40B is respectively communicated with the first passage 401B and the second passage 402B, thereby forming a first communication passage 4001B respectively communicated with the third opening 4103B and the raw water inlet 4106B and a second communication passage 4002B respectively communicated with the first opening 4101B and the second opening 4102B, and the fourth passage 404B of the plane valve 40B is blocked by the movable valve plate 422B, the eighth passage 408B is only communicated with the fifth passage 405B, so that water flow can flow from the first passage 401B to the second passage 402B and free flow of water flow in the fourth passage 404B is blocked; when the planar valve 40B is in the second operating position, the sixth passage 406B is in communication with the fourth passage 404B and the raw water inlet 4106B, respectively, the eighth passage 408B of the planar valve 40B is in communication with the third passage 403B and the fifth passage 405B, respectively, the second passage 402B is blocked by the movable valve plate 422B, and the seventh passage 407B is in communication with only the first passage 401B, such that water flow from the third passage 403B to the fifth passage 405B is allowed, and free flow of water in the first passage 401B to the second passage 402B is prevented.

It should be noted that, as shown in fig. 26A to 32F of the drawings, when the user needs to switch the planar valve 40B of the on-board water purifier from the cleaning operation state to the forward flushing operation state, the moving valve plate 422B of the planar valve 40B is only required to be rotated clockwise by an equal angle (or 72 degrees).

Optionally, the first channel 401B, the second channel 402B, the fourth channel 404B and the third channel 403B of the planar valve 40B may also be disposed on the first fluid control surface 4210B of the fixed valve plate 421B counterclockwise, and the seventh channel 407B, the eighth channel 408B and the sixth channel 406B may also be disposed on the second fluid control surface 4220B of the movable valve plate 422B counterclockwise in this order. At this time, when the user needs to switch the planar valve 40B of the on-table water purifier according to the embodiment of the present utility model from the cleaning operation state to the forward flushing operation state, the moving valve plate 422B of the planar valve 40B only needs to be rotated counterclockwise by an equal angle (or 72 degrees).

As shown in fig. 26A to 32F of the drawings, the control valve 40B of the bench water purifier according to the embodiment of the utility model further comprises a fixing device 50, wherein the fixing device 50 comprises a fixing bracket 51, a first clamping piece 52 and a second clamping piece 53, wherein the fixing bracket 51 of the fixing device 50 has a receiving chamber 510 and at least one water inlet opening 501, wherein the water inlet opening 501 is respectively communicated with the raw water inlet 4106B of the valve body 41B and the receiving chamber 510, wherein the first clamping piece 52 is provided at the fixing portion 4213B of the fixed valve plate 421B, and the second clamping piece 53 is provided at the fixing bracket 51, wherein the first clamping piece 52 and the second clamping piece 53 are provided to be adapted to be mutually clamped together, thereby enabling the fixing portion 4213B of the fixed valve plate 421B to be fixed at the fixing bracket 51 through the first clamping piece 52 and the second clamping piece 53. Further, the water inlet opening 501 and the raw water inlet 4106B of the fixed bracket 51 are both communicated with the valve chamber 410B of the valve body 41B, so that the accommodating chamber 510 of the fixed bracket 51 is communicated with the raw water inlet 4106B of the valve body 41B through the water inlet opening 501, the valve chamber 410B of the valve body 41B, and that the running water can flow from the raw water inlet 4106B of the valve body 41B into the accommodating chamber 510 of the fixed bracket 51.

As shown in fig. 26A to 32F of the drawings, the receiving chamber 510 of the fixing bracket 51 of the on-table water purifier 50 according to the embodiment of the present utility model is provided to receive the first end 4211B of the fixed valve plate 421B and the movable valve plate 422B therein, and the sixth passage 406B of the plane valve 40B is provided to communicate with the receiving chamber 510 of the fixing bracket 51, so that tap water can be supplied to the sixth passage 406B of the plane valve 40B through the water inlet opening 501 of the fixing bracket 51, the receiving chamber 510. In other words, the sixth passage 406B of the flat valve 40B communicates with the raw water inlet 4106B of the valve body 41B through the accommodation chamber 510 of the fixing bracket 51, the water inlet opening 501, the valve chamber 410B of the valve body 41B.

As shown in fig. 26A to 32F of the drawings, further, the first end portion 4211B of the fixed valve plate 421B is adapted to be detachably engaged with the fixed portion 4213B of the fixed valve plate 421B, and the fixed portion 4213B of the fixed valve plate 421B is adapted to be detachably engaged with the second end portion 4212B of the fixed valve plate 421B, so that the first end portion 4211B of the fixed valve plate 421B cannot rotate relative to the fixed portion 4213B, and the fixed portion 4213B of the fixed valve plate 421B cannot rotate relative to the second end portion 4212B.

It is noted that the first end portion 4211B of the fixed valve plate 421B of the valve core 42B of the on-table water purifier of the present utility model is detachably clamped to the fixed portion 4213B of the fixed valve plate 421B, the fixed portion 4213B of the fixed valve plate 421B is detachably clamped to the second end portion 4212B of the fixed valve plate 421B, and the first end portion 4211B of the fixed valve plate 421B and the movable valve plate 422B are accommodated in the accommodating chamber 510 of the fixed bracket 51, such that the first end portion 4211B of the fixed valve plate 421B, the fixed portion 4213B and the movable valve plate 422B can be integrated together by the fixed bracket 51, the first clamping member 52 and the second clamping member 53 of the fixing device 50. In particular, since the first end portion 4211B of the fixed valve plate 421B forms the first fluid control surface 4210B of the fixed valve plate 421B, and the first end portion 4211B of the fixed valve plate 421B is detachably engaged with the fixed portion 4213B of the fixed valve plate 421B, the first end portion 4211B can be manufactured separately and a side of the first end portion 4211B facing the movable valve plate 422B can be easily processed, e.g., polished, to form the first fluid control surface 4210B. However, if the fixed valve sheet 421B of the valve body 42B of the on-table water purifier of the present utility model is fixedly provided to the valve body 41B, or the fixed valve sheet 421B of the valve body 42B of the on-table water purifier 40B is integrally formed with the valve body 41B, it is difficult to process and obtain the first fluid control surface 4210B from the side of the first end portion 4211B of the fixed valve sheet 421B of the valve body 42B of the on-table water purifier facing the movable valve sheet 422B.

As shown in fig. 28 and 30F of the drawings, the bench water purifier according to the embodiment of the utility model further comprises a driving unit 6, wherein the driving unit 6 is configured to drive the movable valve block 422B of the planar valve 40B to rotate relative to the fixed valve block 421B. As shown in fig. 26A to 32F of the drawings, the driving assembly 6 illustratively includes a valve stem 60, the fixed bracket 51 further having an operation opening 502, wherein the operation opening 502 is in communication with the receiving chamber 510 of the fixed bracket 51, wherein the valve stem 60 has a driving end 61 and an operation end 62 extending from the driving end 61, wherein the driving end 61 of the valve stem 60 is disposed within the receiving chamber 510 of the fixed bracket 51, and the operation end 62 of the valve stem 60 extends from the driving end 61 and passes out of the receiving chamber 510 of the fixed bracket 51 through the operation opening 502 of the fixed bracket 51. Accordingly, when the operating end 62 of the valve rod 60 is operated to rotate, the driving end 61 is driven to rotate and further drives the movable valve plate 422B to rotate, so that the flat valve 40B is controlled to be in the corresponding working position. Accordingly, the first end portion 4211B, the fixed portion 4213B, the movable valve plate 422B and the valve stem 60 of the fixed valve plate 421B can be integrated together by the fixed bracket 51, the first clamping member 52 and the second clamping member 53 of the fixing device 50, thereby reducing difficulty in manufacturing the fixed valve plate 421B while reducing difficulty in assembling the first end portion 4211B, the fixed portion 4213B, the movable valve plate 422B and the valve stem 60 of the fixed valve plate 421B into the valve cavity 410B of the valve body 41B. It will be appreciated that the manner in which the first end portion 4211B of the fixed valve plate 421B, the fixed portion 4213B, the movable valve plate 422B and the valve stem 60 are integrated together by the fixed bracket 51, the first clamping member 52 and the second clamping member 53 of the fixing device 50 further facilitates automated assembly and production of the planar valve 40B by the first end portion 4211B of the fixed valve plate 421B, the fixed portion 4213B, the movable valve plate 422B and the valve stem 60. Further, the outer diameter of the driving end 61 of the valve rod 60 is smaller than the inner diameter of the accommodating chamber 510 of the fixed bracket 51 and larger than the inner diameter of the operation opening 502 of the fixed bracket 51, and the outer diameter of the operation end 62 of the valve rod 60 is smaller than the inner diameter of the operation opening 502 of the fixed bracket 51, so that the fixed bracket 51 can be pressed against the driving end 61 of the valve rod 60 under the action of external force, thereby enabling the movable valve plate 422B to be pressed against the first end 4211B of the fixed valve plate 421B and the second fluid control surface 4220B of the movable valve plate 422B to be disposed on the first fluid control surface 4210B of the fixed valve plate 421B under the action of the driving end 61 of the valve rod 60.

It will be appreciated that the drive assembly 6 can be any mechanism or component that can be used to drive the rotation of the movable vane 422B of the planar valve 40B relative to the stationary vane 421B. The driving assembly 6 may also be a gear set for driving the movable valve block 422B of the plane valve 40B to rotate relative to the fixed valve block 421B, wherein the gear set includes a driving gear and driven teeth disposed on a sidewall of the movable valve block 422B, and the driving gear is engaged with the driven teeth of the movable valve block 422B, so that a user or operator can drive the movable valve block 422B to rotate relative to the fixed valve block 421B by rotating the driving gear. Illustratively, the drive assembly 6 may also include a drive rod disposed on the movable valve plate 422B of the planar valve 40B and parallel to the second fluid control surface 4220B of the movable valve plate 422B. The user can drive the movable valve block 422B to rotate relative to the fixed valve block 421B through the driving rod of the driving assembly 6.

As shown in fig. 26A to 32F of the drawings, the fixing device 50 of the bench water purifier according to the embodiment of the utility model further comprises a fixing member 54, wherein the fixing member 54 is disposed to press against the fixing bracket 51, and the fixing member 54 is disposed to be adapted to be fixed to the valve body 41B of the planar valve 40B. Accordingly, the fixed bracket 51 is held in the valve chamber 410B of the valve body 41B by the fixing member 54.

As shown in fig. 26A to 32F of the drawings, the bench water purifier according to the embodiment of the present utility model further comprises a knob 80, wherein the knob 80 is disposed at the operation end 62 of the valve stem 60, so that a user rotates the valve stem 60 to rotate the movable valve plate 422B and control the flat valve 40B to be in the corresponding working position.

Fig. 33A-39F of the drawings show an alternative implementation of the control valve 40B of the bench water purifier according to embodiments of the utility model, wherein the control valve 40C is a planar valve, wherein the spool 42C of the planar valve 40C further comprises a fixed valve plate 421C and a movable valve plate 422C, wherein the fixed valve plate 421C has a first fluid control surface 4210C, the movable valve plate 422C has a second fluid control surface 4220C, wherein the movable valve plate 422C and the fixed valve plate 421C are both disposed in the valve chamber 410B, wherein the second fluid control surface 4220C of the movable valve plate 422C is disposed at the first fluid control surface 4210C of the fixed valve plate 421C, and the movable valve plate 422C is disposed to be rotatable relative to the fixed valve plate 421C.

As shown in fig. 33A to 39F of the drawings, further, the planar valve 40C of the on-board water purifier according to the embodiment of the present utility model has a first channel 401C, a second channel 402C, a third channel 403C, a fourth channel 404C, a fifth channel 405C, a sixth channel 406C and a seventh channel 407C, wherein the first channel 401C, the second channel 402C, the third channel 403C, the fourth channel 404C and the fifth channel 405C are respectively disposed on the fixed valve plate 421C and respectively extend from the first fluid control surface 4210C of the fixed valve plate 421C; the sixth channel 406C and the seventh channel 407C are respectively disposed on the movable valve plate 422C and respectively extend from the second fluid control surface 4220C of the movable valve plate 422C, wherein the first channel 401C is in communication with the first opening 4101B, the second channel 402C is in communication with the second opening 4102B, the third channel 403C is in communication with the third opening 4103B, the fourth channel 404C is in communication with the fourth opening 4104B, the fifth channel 405C is in communication with the drain opening 4105B, and the sixth channel 406C is in communication with the raw water inlet 4106B. It is appreciated that the seventh channel 407C is preferably a blind via. Preferably, the sixth passage 406C and the raw water inlet 4106B are respectively communicated with the valve chamber 410B, that is, the raw water inlet 4106B is communicated with the sixth passage 406C through the valve chamber 410B.

As shown in fig. 33A to 39F of the drawings, according to the on-bench water purifier of the embodiment of the utility model, the movable valve plate 422C of the planar valve 40C can rotate relative to the fixed valve plate 421C, so that the planar valve 40C has the first working position and the second working position, wherein when the planar valve 40C is in the first working position, the sixth channel 406C of the planar valve 40C is communicated with the fourth channel 404C, thereby forming the first communicating channel 4001C respectively communicated with the fourth opening 4104B and the raw water inlet 4106B, the seventh channel 407C is respectively communicated with the first channel 401C and the second channel 402C, thereby forming the second communicating channel 4002C respectively communicated with the first opening 4101B and the second opening 4102B, wherein when the planar valve 41040C is in the second working position, the sixth channel 406C of the planar valve 40C is communicated with the fourth channel 403C, thereby forming the first communicating channel 4001C respectively communicated with the fourth opening 4104B and the raw water inlet 4106B, the seventh channel 407C is respectively communicated with the fourth channel 401C and the fourth channel 402C 4B, thereby forming the fourth communicating channel 4004C 5C and the fourth channel 400C respectively communicated with the fourth opening 4104B.

As shown in fig. 33A to 39F of the drawings, illustratively, when the planar valve 40C of the on-board water purifier according to the embodiment of the present utility model is at the first working position, the sixth channel 406C is in communication with the fourth channel 404C, the seventh channel 407C of the planar valve 40C is in communication with the first channel 401C and the second channel 402C, respectively, and the third channel 403C and the fifth channel 405C are blocked by the movable valve plate 422C, respectively, so that water flow from the first channel 401C to the second channel 402C and free flow of water in the third channel 403C to the fifth channel 405C are prevented. Accordingly, raw water or tap water flows into the sixth passage 406C from the raw water inlet 4106B of the planar valve 40C of the on-table water purifier according to the second embodiment of the present utility model under the action of the water pressure, flows into the first water flow opening 101 of the first filter device 10 through the fourth passage 404C and the fourth passage 4104B, flows into the first water flow passage 1101 of the first filter device 10, and the primary purified water generated by the first filter element 12 of the first filter device 10 flows out from the second water flow opening 102 of the first filter device 10 under the action of the water pressure, flows through the first opening 4101B, the first passage 401C, the seventh passage 407C, the second passage 402C and the second opening 4102B of the control valve 40C in this order, flows toward the water inlet 201 of the second filter device 20, and is further purified by the second filter element 22 of the second filter device 20, and is supplied through the purified water outlet 202 of the second filter device 20. Accordingly, when the planar valve 40C of the on-board water purifier of the present utility model is in the first operating position, the on-board water purifier of the present utility model is in its purifying operating state.

As shown in fig. 33A to 39F of the drawings, when the flat valve 40C of the on-table water purifier according to the embodiment of the present utility model is at the second working position, the sixth passage 406C is communicated with the third passage 403C, the seventh passage 407C of the flat valve 40C is respectively communicated with the fourth passage 404C and the fifth passage 405C, and the first passage 401C and the second passage 402C are respectively blocked by the movable valve plate 422C, so that water flow from the fourth passage 404C to the fifth passage 405C and free flow of water in the first passage 401C to the second passage 402C are prevented. Accordingly, raw water or tap water flows into the sixth passage 406C from the raw water inlet 4106B of the planar valve 40C of the on-table water purifier according to the second embodiment of the present utility model under the hydraulic pressure, flows into the third water flow opening 103 of the first filter device 10 through the third passage 403C and then flows into the first water flow passage 1101 of the first filter device 10, so that the raw water can flush the first water supply side 121 of the first filter element 12 of the first filter device 10 forward under the hydraulic pressure, and the generated sewage or wastewater flows out from the first water flow opening 101 of the first filter device 10, flows through the fourth opening 4104B, the fourth passage 404C, the seventh passage 407C and the fifth passage 405C of the control valve 40C in sequence, flows to the drain opening 4105B and is discharged. Therefore, when the planar valve 40C of the on-bench water purifier according to the embodiment of the utility model is at the second working position, the third communication channel 4003C formed by the valve core 42C of the planar valve 40C communicates with the raw water inlet 4106B and the third opening 4103B of the planar valve 40C, and the fourth communication channel 4004C communicates with the fourth opening 4104B and the drain opening 4105B of the planar valve 40C. Accordingly, when the planar valve 40C of the on-board water purifier of the present utility model is in the second operating position, the on-board water purifier of the present utility model is in its forward flush operating state.

As shown in fig. 33A to 39F of the drawings, the first water flow opening 101, the second water flow opening 102 and the third water flow opening 103 of the first filter device 10 of the on-counter water purifier according to the embodiment of the present utility model, the water inlet 201 and the purified water outlet 202 of the second filter device are all provided at the base 30 of the on-counter water purifier of the present utility model. Further, the second water flow opening 102 of the first filter device 10 and the first opening 4101B of the control valve 40C are communicated with each other through a first connection pipe 31, the water inlet 201 of the second filter device 20 and the second opening 4102B of the control valve 40C are communicated with each other through a second connection pipe 32, the third water flow opening 103 of the first filter device 10 and the third opening 4103B of the control valve 40C are communicated with each other through a third connection pipe 33, and the first water flow opening 101 of the first filter device 10 and the fourth opening 4104B of the control valve 40C are communicated with each other through a fourth connection pipe 34.

As shown in fig. 33A to 39F of the drawings, the fixed valve plate 421C of the valve body 42C of the on-table water purifier according to the embodiment of the present utility model includes a first end portion 4211C, a second end portion 4212C, and a fixed portion 4213C disposed between the first end portion 4211C and the second end portion 4212C, wherein the first end portion 4211C forms the first fluid control surface 4210C of the fixed valve plate 421C, and the second end portion 4212C is disposed in the valve chamber 410B of the valve body 41C. Preferably, the second end 4212C of the fixed valve plate 421C of the valve body 42C of the on-counter water purifier 40C of the present utility model is integrally provided on the inner wall of the valve body 41C of the on-counter water purifier 40C.

As shown in fig. 33A to 39F of the drawings, the first fluid control surface 4210C of the fixed valve plate 421C of the on-table water purifier 40C according to the embodiment of the present utility model has a center portion 42101C shown by a dash-dot line and an edge portion 42102C extending outwardly from the center portion 42101C, wherein the center portion 42101C and the edge portion 42102C are provided at the top end portion 4214C of the fixed valve plate 421C, and the edge portion 42102C (or a portion other than the center portion 42101C) of the first fluid control surface 4210C is equally divided into a first portion 1001C, a second portion 1002C, a third portion 1003C, a fourth portion 1004C and a fifth portion 1005C shown by dash-dot lines; the second fluid control surface 4220C of the movable valve plate 422C of the planar valve 40C has a central region 42201C shown by dashed lines and an edge region 42202C extending outwardly from the central region 42201C, wherein the central region 42201C and the edge region 42202C are provided at the bottom end portion 4221C of the movable valve plate 422C, and the edge region 42202C (portion other than the central region 42201C) of the second fluid control surface 4220C is equally divided into a first region 2001C, a second region 2002C, a third region 2003C, a fourth region 2004C and a fifth region 2005C shown by dashed lines; wherein the first channel 401C and the second channel 402C extend downward from the first portion 1001C and the second portion 1002C of the first fluid control surface 4210C of the fixed valve plate 421C, respectively, the third channel 403C extends downward from the third portion 1003C of the first fluid control surface 4210C of the fixed valve plate 421C, the fifth channel 405C extends downward from the fourth portion 1004C of the first fluid control surface 4210C of the fixed valve plate 421C, the fourth channel 404C extends downward from the fifth portion 1005C of the first fluid control surface 4210C of the fixed valve plate 421C, the sixth channel 406C extends in the fifth region 2005C of the second fluid control surface 4220C of the fixed valve plate 422C, and the seventh channel 407C extends between the first region 2001C and the second region 2002C of the second fluid control surface 4220C of the fixed valve plate 422C.

As shown in fig. 33A to 39F of the drawings, preferably, the edge portion 42102C of the first fluid control surface 4210C is divided equally clockwise into the first portion 1001C, the second portion 1002C, the third portion 1003C, the fourth portion 1004C and the fifth portion 1005C, and the edge region 42202C of the second fluid control surface 4220C of the movable valve plate 422C of the planar valve 40C is divided equally clockwise into the first region 2001C, the second region 2002C, the third region 2003C, the fourth region 2004C and the fifth region 2005C. In other words, the first fluid control surface 4210C of the fixed valve plate 421C of the planar valve 40C forms five halves, and the second fluid control surface 4220C of the movable valve plate 422C of the planar valve 40C forms five halves, wherein when the movable valve plate 422C of the planar valve 40C is rotated to the first and second halves (the first and second regions 2001C, 2002C) of the second fluid control surface 4220C of the movable valve plate 422C are opposite to the first and second halves (the first and second portions 1001C, 1002C) of the first fluid control surface 4210C of the fixed valve plate 421C, the fifth half (the fifth region 2005C) of the second fluid control surface 4220C of the movable valve plate 422C of the planar valve 40C is opposite to the fifth half (the fifth region 1005C) of the first fluid control surface 4210C of the fixed valve plate 421C, thereby communicating the sixth passage 406C of the planar valve 40C with the seventh passage 401C of the planar valve 40C and the seventh passage 404C of the planar valve 40C. Correspondingly, the water purifier on the bench is in the purifying working state at the moment. Further, when the movable valve plate 422C of the planar valve 40C is rotated to the first and second halves (the first and second regions 2001C and 2002C) of the second fluid control surface 4220C of the movable valve plate 422C to face the fourth and fifth halves (the fourth and fifth portions 1004C and 1005C) of the first fluid control surface 4210C of the fixed valve plate 421C, the fifth half (the fifth region 2005C) of the second fluid control surface 4220C of the movable valve plate 422C of the planar valve 40C faces the third half (the third portion 1003C) of the first fluid control surface 4210C of the fixed valve plate 421C, thereby causing the sixth passage 406C of the planar valve 40C to communicate with the third passage 403C, and the seventh passage 407C of the planar valve 10 to conduct the fourth and fifth passages 404C and 405C. Correspondingly, the water purifier on the bench is in the forward flushing working state.

As shown in fig. 33A to 39F of the drawings, preferably, the first channel 401C, the second channel 402C, the third channel 403C, the fifth channel 405C and the fourth channel 404C are arranged clockwise in this order on the first fluid control surface 4210C of the fixed valve plate 421C, and the sixth channel 406C and the seventh channel 407C are arranged on the second fluid control surface 4220C of the movable valve plate 422C, respectively. It will be appreciated that at this time, when the plane valve 40C is in the first operating position, the sixth passage 406C is respectively communicated with the fourth passage 404C and the raw water inlet 4106B, the seventh passage 407C of the plane valve 40C is respectively communicated with the first passage 401C and the second passage 402C, thereby forming the first communicating passage 4001C respectively communicated with the raw water inlet 4106B and the fourth opening 4104B and the second communicating passage 4002C respectively communicated with the first opening 4101B and the second opening 4102B, and the third passage 403C and the fifth passage 405C of the plane valve 40C are respectively blocked by the movable valve plate 422C, so that water flow from the first passage 401C to the second passage 402C and free flow of water flow in the third passage 403C is prevented; when the flat valve 40C is in the second working position, the sixth channel 406C is respectively communicated with the third channel 403C and the raw water inlet 4106B, the seventh channel 407C of the flat valve 40C is respectively communicated with the fourth channel 404C and the fifth channel 405C, and the first channel 401C and the second channel 402C are respectively blocked by the movable valve plate 422C, so that water flow from the fourth channel 404C to the fifth channel 405C can flow, and free flow of water in the first channel 401C to the second channel 402C is prevented.

Optionally, the second channel 402C, the first channel 401C, the third channel 403C, the fifth channel 405C, and the fourth channel 404C are arranged clockwise in this order on the first fluid control surface 4210C of the fixed valve plate 421C. It will be appreciated that at this time, when the plane valve 40C is in the first operating position, the sixth passage 406C is respectively communicated with the fourth passage 404C and the raw water inlet 4106B, the seventh passage 406C of the plane valve 40C is respectively communicated with the first passage 401C and the second passage 402C, thereby forming a first communicating passage 4001C respectively communicated with the raw water inlet 4106B and the fourth opening 4104B and a second communicating passage 4002C respectively communicated with the first opening 4101B and the second opening 4102B, and the third passage 403C and the fifth passage 405C of the plane valve 40C are respectively blocked by the movable valve plate 422C, so that water flow from the first passage 401C to the second passage 402C and free flow of water flow of the third passage 403C is prevented; when the flat valve 40C is in the second working position, the sixth channel 406C is respectively communicated with the third channel 403C and the raw water inlet 4106B, the seventh channel 407C of the flat valve 40C is respectively communicated with the fourth channel 404C and the fifth channel 405C, and the first channel 401C and the second channel 402C are respectively blocked by the movable valve plate 422C, so that water flow from the fourth channel 404C to the fifth channel 405C can flow, and free flow of water in the first channel 401C to the second channel 402C is prevented. Preferably, the first channel 401C, the second channel 402C, the third channel 403C, the fifth channel 405C and the fourth channel 404C of the planar valve 40C are disposed at the first fluid control surface 4210C of the fixed valve plate 12C in a spaced apart manner.

It should be noted that, as shown in fig. 33A to 39F of the drawings, when the user needs to switch the planar valve 40C of the on-bench water purifier from the cleaning operation state to the forward flushing operation state, the moving valve plate 422C of the planar valve 40C is only required to rotate clockwise by three equal division angles (or 216 degrees) or counterclockwise by two equal division angles (or 144 degrees).

Optionally, the first channel 401C, the second channel 402C, the third channel 403C, the fifth channel 405C and the fourth channel 404C of the planar valve 40C may also be disposed counterclockwise on the first fluid control surface 4210C of the fixed valve plate 421C. At this time, when the user needs to switch the planar valve 40C of the on-bench water purifier according to the embodiment of the utility model from the cleaning operation state to the forward flushing operation state, the moving valve plate 422C of the planar valve 40C only needs to be rotated counterclockwise by three equal division angles (or 216 degrees) or rotated clockwise by two equal division angles (or 144 degrees).

As shown in fig. 1-39F of the drawings, the present utility model further provides a flow directing assembly for a filtration device comprising a first base 14 and a flow directing sleeve 124, wherein the flow directing sleeve 124 extends upwardly from the first base 14, wherein the flow directing sleeve 124 is configured to surround ultrafiltration membrane filaments of the filtration device. Preferably, the pod 124 is integrally formed with the first base 14. Optionally, the pod 124 is detachably disposed on the first base 14. Preferably, the first base 14 forms a first water flow opening 101, a second water flow opening 102 and a third water flow opening 103, wherein the water purifying openings of the ultrafiltration membrane filaments of the filtration device are all in communication with the second water flow opening 102, so that the purified water generated by the ultrafiltration membrane filaments of the filtration device is collected. More preferably, the first water flow opening 101 is formed in a portion of the first base 14 extending outwardly from the pod 124, and the third water flow opening 103 is formed in a portion of the first base 14 between the pod 124 and the ultrafiltration membrane filaments of the first cartridge 12. As shown in fig. 1 to 39F of the drawings, accordingly, when the ultrafiltration membrane filaments of the filtration device are washed forward by the user, the diversion sleeve 124 can guide the raw water flowing into the first water flow passage 1101 from the first water flow opening 101 to flow upward and prevent the raw water from flowing out after flowing directly to the third water flow opening 103. Optionally, the first water flow opening 101 is formed in a portion of the first base 14 between the flow sleeve 124 and the ultrafiltration membrane filaments of the filter apparatus, and the third water flow opening 103 is formed in a portion of the first base 14 extending outwardly from the flow sleeve 124. At this time, when the user washes the ultrafiltration membrane filaments of the filtering device in the forward direction, the diversion kit 124 may also guide the raw water flowing into the first water flow channel 1101 from the first water flow opening 101 to flow upward and prevent the raw water from flowing directly to the third water flow opening 103 and then flowing out.

It is noted that the first, second, third, fourth, fifth, sixth, seventh and/or eighth are used herein only for naming and distinguishing between different components (or elements) of the present utility model, which itself does not have a meaning of how much order or number it has.

It will be appreciated by persons skilled in the art that the embodiments described above and shown in the drawings are only for the purpose of illustrating the utility model and are not to be construed as limiting the utility model. All equivalent implementations, modifications and improvements within the spirit of the present utility model are intended to be included within the scope of the present utility model.

Claims (65)

1. A bench-top water purifier, comprising:

a first filter device;

a base; and

a control valve, wherein the first filter device and the control valve are both disposed in the base, wherein the first filter device comprises a first housing and a first filter cartridge, wherein the first housing forms a first receiving chamber, wherein the first filter cartridge is disposed within the first receiving chamber, and the first housing and the first filter cartridge form a first water flow passage therebetween, wherein the first filter device has a first water flow opening, a second water flow opening and a third water flow opening, the control valve comprises a valve body and a valve cartridge, wherein the valve body forms a valve chamber, a first opening, a second opening, a third opening and a drain opening, wherein the first water flow opening of the first filter device is in communication with the first water flow passage of the first filter device, the second water flow opening of the first filter device is in communication with the first opening of the control valve, and the third water flow opening of the first filter device is in communication with the first water flow opening of the first filter device and the first water flow opening of the control valve, respectively.

2. The bench water purifier of claim 1 wherein the control valve has a first operating position, the spool of the control valve defining a first communication passage in communication with the first opening and the second opening of the valve body, respectively, when the control valve is in the first operating position.

3. The bench water purifier of claim 2 wherein the control valve further has a second operating position, the spool of the control valve forming a second communication channel in communication with the third opening and the drain opening of the valve body, respectively, when the control valve is in the second operating position.

4. The bench water purifier of claim 3 wherein the control valve is a planar valve, wherein the valve core further comprises a fixed valve plate and a movable valve plate, wherein the fixed valve plate has a first fluid control surface, the movable valve plate has a second fluid control surface, wherein the movable valve plate and the fixed valve plate are both disposed in the valve cavity, wherein the second fluid control surface of the movable valve plate is disposed in the first fluid control surface of the fixed valve plate, wherein the planar valve has a first channel, a second channel, a third channel, a fourth channel, and a fifth channel, wherein the first channel, the second channel, the third channel, and the fourth channel are each disposed in the fixed valve plate and each extend from the first fluid control surface of the fixed valve plate; the fifth channel is arranged on the movable valve plate and extends from the second fluid control surface of the movable valve plate, wherein the first channel is communicated with the first opening, the second channel is communicated with the second opening, the third channel is communicated with the third opening, and the fourth channel is communicated with the sewage discharging opening, wherein the movable valve plate of the plane valve can rotate relative to the fixed valve plate, so that the plane valve has the first working position and the second working position, and when the plane valve is in the first working position, the fifth channel of the plane valve is respectively communicated with the first channel and the second channel, so that the first communication channel which is respectively communicated with the first opening and the second opening is formed; when the planar valve is in the second working position, the fifth channel of the planar valve is communicated with the third channel and the fourth channel respectively, so that the second communication channel communicated with the third opening and the sewage discharging opening is formed.

5. The bench top water purifier of claim 4 wherein the third channel and the fourth channel of the planar valve are blocked by the movable valve plate when the planar valve is in the first operating position; when the planar valve is in the second working position, the first channel and the second channel of the planar valve are blocked by the movable valve plate.

6. The bench top water purifier of claim 4 wherein the first channel and the second channel of the planar valve are adjacent, the fourth channel and the third channel are adjacent, and the first channel, the second channel, the fourth channel and the third channel are spaced apart from each other on the first fluid control surface of the valve plate.

7. The bench top water purifier of claim 5 wherein the first fluid control surface of the valve plate of the planar valve has a center portion and an edge portion extending outwardly from the center portion, wherein the center portion and the edge portion are disposed at a top end of the valve plate, and the edge portion of the first fluid control surface is equally divided into a first portion, a second portion, a third portion and a fourth portion; the second fluid control surface of the movable valve plate of the planar valve has a central region and an edge region extending outwards from the central region, wherein the central region and the edge region are arranged at the bottom end of the movable valve plate, and the edge region of the second fluid control surface is equally divided into a first region, a second region, a third region and a fourth region; wherein the first and second channels extend downward from the first and second portions of the first fluid control surface of the fixed valve plate, respectively, the fourth and third channels extend downward from the third and fourth portions of the first fluid control surface of the fixed valve plate, respectively, and the fifth channel extends between the first and second regions of the second fluid control surface of the movable valve plate.

8. The bench water purifier of claim 3 wherein the control valve is a planar valve, wherein the valve core further comprises a fixed valve plate and a movable valve plate, wherein the fixed valve plate has a first fluid control surface, the movable valve plate has a second fluid control surface, wherein the movable valve plate and the fixed valve plate are both disposed in the valve cavity, wherein the second fluid control surface of the movable valve plate is disposed in the first fluid control surface of the fixed valve plate, wherein the planar valve has a first channel, a second channel, a third channel, a fourth channel, a fifth channel, and a sixth channel, wherein the first channel, the second channel, the third channel, and the fourth channel are each disposed in the fixed valve plate and each extend from the first fluid control surface of the fixed valve plate; the fifth channel and the sixth channel are respectively arranged on the movable valve plate and respectively extend from the second fluid control surface of the movable valve plate, wherein the first channel is communicated with the first opening, the second channel is communicated with the second opening, the third channel is communicated with the third opening, the fourth channel is communicated with the sewage discharging opening, the movable valve plate of the plane valve can rotate relative to the fixed valve plate, so that the plane valve has the first working position and the second working position, and when the plane valve is in the first working position, the fifth channel of the plane valve is respectively communicated with the first channel and the second channel, so that the first communication channel which is respectively communicated with the first opening and the second opening is formed; when the planar valve is in the second working position, the sixth channel of the planar valve is communicated with the third channel and the fourth channel respectively, so that the second communication channel communicated with the third opening and the sewage discharging opening is formed.

9. The bench top water purifier of claim 8 wherein when the planar valve is in the first operating position, the third channel is blocked by the movable valve plate and the sixth channel is in communication with only the fourth channel; when the plane valve is in the second working position, the first channel is blocked by the movable valve plate, and the fifth channel is only communicated with the second channel.

10. The bench water purifier of claim 8 wherein the first channel is adjacent the second channel, the fourth channel is adjacent the third channel, and the first channel, the second channel, the fourth channel, and the third channel are spaced apart from one another on the first fluid control surface of the valve plate.

11. The bench top water purifier of claim 9 wherein the first fluid control surface of the valve plate of the planar valve has a center portion and an edge portion extending outwardly from the center portion, wherein the center portion and the edge portion are disposed at a top end of the valve plate, and the edge portion of the first fluid control surface is equally divided into a first portion, a second portion, a third portion, a fourth portion, a fifth portion and a sixth portion; the second fluid control surface of the movable valve plate of the planar valve has a central region and an edge region extending outwards from the central region, wherein the central region and the edge region are arranged at the bottom end of the movable valve plate, and the edge region of the second fluid control surface is equally divided into a first region, a second region, a third region, a fourth region, a fifth region and a sixth region; wherein the first and second channels extend downward from the first and second portions of the first fluid control surface of the fixed valve plate, respectively, the fourth and third channels extend downward from the fourth and fifth portions of the first fluid control surface of the fixed valve plate, respectively, the fifth channel extends between the first and second regions of the second fluid control surface of the movable valve plate, and the sixth channel extends between the third and fourth regions of the second fluid control surface of the movable valve plate.

12. The bench water purifier of claim 4, 5, 6, 7, 8, 9, 10 or 11, wherein the fixed valve plate of the valve core of the control valve comprises a first end, a second end and a fixing portion disposed between the first end and the second end, wherein the first end forms the first fluid control surface of the fixed valve plate, the second end is disposed in the valve cavity of the valve body, and the second end is integrally disposed in the inner wall of the valve body of the control valve.

13. The bench water purifier of claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11 wherein the first filter device further has a first base, wherein the first housing and the first filter element are both disposed on the first base, and wherein the first base is disposed on the base.

14. The bench top water purifier of claim 13 wherein the first filter device further has a flow sleeve, wherein the flow sleeve extends upward from the first base and surrounds the ultrafiltration membrane filaments of the first filter element.

15. The bench water purifier of claim 14 wherein the first water flow opening and the third water flow opening are both disposed in the first base, the first water flow opening being formed in a first base portion between the flow sleeve and the first housing, the third water flow opening being formed in a first base portion between the flow sleeve and the ultrafiltration membrane filaments of the first filter cartridge.

16. The bench water purifier of claim 14 wherein the first water flow opening and the third water flow opening are both disposed in the first base, the first water flow opening forming a first base portion between the flow sleeve and the ultrafiltration membrane filaments of the first filter cartridge, the third water flow opening forming a first base portion between the flow sleeve and the first housing.

17. The bench water purifier of claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11 wherein the first filter device further comprises an actuating element, wherein the actuating element comprises an actuating member and a drive member extending from the actuating member, wherein the actuating member is adapted to be movably disposed between the top end of the first filter cartridge and the first housing, the drive member being adapted to pass out of the operating aperture of the first housing.

18. The bench water purifier of claim 17 wherein the actuator is configured to reciprocate up and down relative to the first housing.

19. The bench water purifier of claim 18 wherein the actuating element further comprises a reset member, wherein one end of the reset member is disposed on the first housing and the other end is disposed on the drive member.

20. The bench water purifier of claim 18 wherein the actuation member of the actuation element forms an actuation surface, wherein the actuation surface is disposed toward the top end of the first cartridge and the actuation surface of the actuation member of the actuation element is a continuous plane.

21. The bench water purifier of claim 17 wherein the actuator is configured to rotate relative to the first housing.

22. The bench water purifier of claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 18, 19, 20 or 21 further comprising a second filter device disposed at the base, wherein the second filter device comprises a second housing and a second filter cartridge, wherein the second housing forms a second receiving chamber, the second filter cartridge is disposed within the second receiving chamber, wherein the second housing and the second filter cartridge form a second water flow path therebetween, wherein the second filter device has a water inlet and a purified water outlet, and the water inlet of the second filter device is in communication with the second opening of the control valve and the second water flow path of the second filter device, respectively.

23. The bench water purifier of claim 13 further comprising a second filter device disposed on the base, wherein the second filter device comprises a second housing, a second filter cartridge, and a second base, wherein the second housing forms a second receiving chamber, the second filter cartridge is disposed within the second receiving chamber, wherein the second housing and the second filter cartridge form a second water flow path therebetween, wherein the second filter device has a water inlet and a purified water outlet, and the water inlet of the second filter device is in communication with the second opening of the control valve and the second water flow path of the second filter device, respectively, wherein the second housing and the second filter cartridge are disposed on the second base, and the second base is disposed on the base, wherein the first base, the second base, and the base form a receiving chamber.

24. The bench water purifier of claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or 11 wherein the first filter element of the first filter device forms a first water supply side and a first water purification side, wherein the second water flow opening of the first filter device is formed in the first water purification side, and wherein the first water flow channel is formed between the first housing and the first water supply side of the first filter element.

25. The bench water purifier of claim 22 wherein the second filter element of the second filter device forms a second water supply side and a second water purification side, wherein the water purification outlet of the second filter device is formed in the second water purification side, and wherein the second water flow channel is formed between the second housing and the second water supply side of the second filter element.

26. The bench water purifier of claim 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 18, 19, 20 or 21 wherein the first water flow opening and the third water flow opening of the first filter device are disposed on opposite sides of the first filter device, respectively.

27. A bench-top water purifier, comprising:

a first filter device;

a base; and

a control valve, wherein the first filter device and the control valve are both disposed in the base, wherein the first filter device comprises a first housing and a first filter cartridge, wherein the first housing forms a first receiving chamber, wherein the first filter cartridge is disposed in the first receiving chamber, and the first housing and the first filter cartridge form a first water flow passage therebetween, wherein the first filter device has a first water flow opening, a second water flow opening and a third water flow opening, the control valve comprises a valve body and a valve cartridge, wherein the valve body forms a valve chamber, a first opening, a second opening, a third opening, a fourth opening, a blowdown opening and a raw water inlet, wherein the first water flow opening of the first filter device is in communication with the fourth opening of the control valve and the first water flow passage of the first filter device, respectively, the second opening of the first filter device is in communication with the first raw water flow opening of the control valve, the second opening of the first filter device is in communication with the first water flow opening of the control valve, and the first filter device is in communication with the first water flow opening of the control valve, respectively.

28. The bench water purifier of claim 27 wherein the control valve has a first operating position and the spool of the control valve forms a first communication passage and a second communication passage when the control valve is in the first operating position, wherein the first communication passage communicates with the raw water inlet and the fourth opening of the valve body, respectively, and the second communication passage communicates with the first opening and the second opening of the valve body, respectively.

29. The bench water purifier of claim 28 wherein the control valve further has a second operating position, the spool of the control valve forming a third communication passage and a fourth communication passage when the control valve is in the second operating position, wherein the third communication passage communicates with the raw water inlet and the third opening of the valve body, respectively, and the fourth communication passage communicates with the fourth opening and the blowdown opening of the valve body, respectively.

30. The bench water purifier of claim 29 wherein the control valve is a planar valve, wherein the valve core further comprises a fixed valve plate and a movable valve plate, wherein the fixed valve plate has a first fluid control surface, the movable valve plate has a second fluid control surface, wherein the movable valve plate and the fixed valve plate are both disposed in the valve cavity, wherein the second fluid control surface of the movable valve plate is disposed in the first fluid control surface of the fixed valve plate, wherein the planar valve has a first channel, a second channel, a third channel, a fourth channel, a fifth channel, a sixth channel, a seventh channel, and an eighth channel, wherein the first channel, the second channel, the third channel, the fourth channel, and the fifth channel are each disposed in the fixed valve plate and extend from the first fluid control surface of the fixed valve plate, respectively; the sixth channel, the seventh channel and the eighth channel are respectively arranged on the movable valve plate and respectively extend from the second fluid control surface of the movable valve plate, wherein the first channel is communicated with the first opening, the second channel is communicated with the second opening, the third channel is communicated with the third opening, the fourth channel is communicated with the fourth opening, the fifth channel is communicated with the sewage outlet, the sixth channel is communicated with the raw water inlet, the eighth channel is communicated with the fifth channel, the eighth channel is communicated with the sewage outlet through the fifth channel, the movable valve plate of the plane valve can rotate relative to the fixed valve plate, so that the plane valve has the first working position and the second working position, the sixth channel of the plane valve is communicated with the fourth channel when the plane valve is in the first working position, so that the first communication channel is communicated with the fourth opening and the raw water inlet, the seventh channel is communicated with the first channel and the second channel is communicated with the second opening, and the seventh channel is communicated with the first opening and the second opening; when the plane valve is in the second working position, the sixth channel of the plane valve is communicated with the third channel to form the third communication channel communicated with the raw water inlet and the third opening respectively, and the eighth channel is communicated with the fourth channel and the fifth channel to form the fourth communication channel communicated with the fourth opening and the sewage discharging opening respectively.

31. The bench water purifier of claim 30 wherein the third channel is blocked by the movable valve plate and the eighth channel is in communication with only the fifth channel when the planar valve is in the first operating position; when the plane valve is in the second working position, the first channel is blocked by the movable valve plate, and the seventh channel is only communicated with the second channel.

32. The bench top water purifier of claim 30 wherein the first channel and the second channel of the planar valve are adjacent, the third channel and the fourth channel are adjacent, the first channel, the second channel, the fourth channel and the third channel are arranged around the fifth channel, and the first channel, the second channel, the fourth channel, the third channel and the fifth channel of the planar valve are spaced apart and disposed on the first fluid control surface of the valve plate.

33. The bench top water purifier of claim 30 wherein the first fluid control surface of the valve plate of the planar valve has a center portion and an edge portion extending outwardly from the center portion, wherein the center portion and the edge portion are disposed at the top end of the valve plate, and wherein the edge portion of the first fluid control surface is equally divided into a first portion, a second portion, a third portion, a fourth portion and a fifth portion; the second fluid control surface of the movable valve plate of the planar valve has a central region and an edge region extending outwards from the central region, wherein the central region and the edge region are arranged at the bottom end of the movable valve plate, and the edge region of the second fluid control surface is equally divided into a first region, a second region, a third region, a fourth region and a fifth region; wherein the first and second passages extend downward from the first and second portions of the first fluid control surface of the fixed valve plate, respectively, the fourth and third passages extend downward from the fourth and fifth portions of the first fluid control surface of the fixed valve plate, respectively, the fifth passage extends downward from the center portion of the first fluid control surface of the fixed valve plate, the sixth passage extends in the fourth region of the second fluid control surface of the moving valve plate, the seventh passage extends between the first and second regions of the second fluid control surface of the moving valve plate, and the eighth passage extends between the third and center regions of the second fluid control surface of the moving valve plate.

34. The bench water purifier of claim 29 wherein the control valve is a planar valve, wherein the valve core further comprises a fixed valve plate and a movable valve plate, wherein the fixed valve plate has a first fluid control surface, the movable valve plate has a second fluid control surface, wherein the movable valve plate and the fixed valve plate are both disposed in the valve cavity, wherein the second fluid control surface of the movable valve plate is disposed in the first fluid control surface of the fixed valve plate, wherein the planar valve has a first channel, a second channel, a third channel, a fourth channel, a fifth channel, a sixth channel, and a seventh channel, wherein the first channel, the second channel, the third channel, the fourth channel, and the fifth channel are each disposed in the fixed valve plate and extend from the first fluid control surface of the fixed valve plate, respectively; the sixth channel and the seventh channel are respectively arranged on the movable valve plate and respectively extend from the second fluid control surface of the movable valve plate, wherein the first channel is communicated with the first opening, the second channel is communicated with the second opening, the third channel is communicated with the third opening, the fourth channel is communicated with the fourth opening, the fifth channel is communicated with the sewage discharging opening, the sixth channel is communicated with the raw water inlet, the movable valve plate of the plane valve can rotate relative to the fixed valve plate, so that the plane valve has the first working position and the second working position, the sixth channel of the plane valve is communicated with the fourth channel, so that the first communication channel is communicated with the fourth opening and the raw water inlet, the seventh channel is communicated with the first channel and the fourth channel, so that the second communication channel is communicated with the first opening and the second opening, the sixth channel is communicated with the fourth channel, the fourth channel is communicated with the fourth opening, and the fourth channel is communicated with the fourth opening.

35. The bench water purifier of claim 34 wherein the third channel and the fifth channel are blocked by the movable valve plate, respectively, when the planar valve is in the first operating position; when the planar valve is in the second working position, the first channel and the second channel are blocked by the movable valve plate respectively.

36. The bench top water purifier of claim 34 wherein the first channel, the second channel, the third channel, the fifth channel and the fourth channel of the planar valve are disposed in spaced apart relation on the first fluid control surface of the valve plate.

37. The bench top water purifier of claim 34 wherein the first fluid control surface of the valve plate of the planar valve has a center portion and an edge portion extending outwardly from the center portion, wherein the center portion and the edge portion are disposed at a top end of the valve plate, and wherein the edge portion of the first fluid control surface is equally divided into a first portion, a second portion, a third portion, a fourth portion and a fifth portion; the second fluid control surface of the movable valve plate of the planar valve has a central region and an edge region extending outwards from the central region, wherein the central region and the edge region are arranged at the bottom end of the movable valve plate, and the edge region of the second fluid control surface is equally divided into a first region, a second region, a third region, a fourth region and a fifth region; wherein the first and second passages extend downward from the first and second portions of the first fluid control surface of the fixed valve plate, respectively, the third passage extends downward from the third portion of the first fluid control surface of the fixed valve plate, the fifth passage extends downward from the fourth portion of the first fluid control surface of the fixed valve plate, the fourth passage extends downward from the fifth portion of the first fluid control surface of the fixed valve plate, the sixth passage extends in the fifth region of the second fluid control surface of the movable valve plate, and the seventh passage extends between the first and second regions of the second fluid control surface of the movable valve plate.

38. The bench water purifier of claim 30, 31, 32, 33, 34, 35, 36 or 37 wherein the fixed valve plate of the valve core of the control valve comprises a first end, a second end and a fixing portion disposed between the first end and the second end, wherein the first end forms the first fluid control surface of the fixed valve plate, the second end is disposed in the valve cavity of the valve body, and the second end is integrally disposed in the inner wall of the valve body of the control valve.

39. The bench water purifier of claim 27, 28, 29, 30, 31, 32, 33, 34, 35, 36 or 37 wherein the first filter assembly further has a first base, wherein the first housing and the first filter element are both disposed on the first base, and wherein the first base is disposed on the base.

40. A bench water purifier as recited in claim 39, wherein the first filter device further has a flow sleeve extending upward from the first base and surrounding the ultrafiltration membrane filaments of the first filter cartridge.

41. A bench water purifier as claimed in claim 40 wherein the first water flow opening and the third water flow opening are both provided in the first base, the first water flow opening being formed in a first base portion between the flow sleeve and the first housing, the third water flow opening being formed in a first base portion between the flow sleeve and the ultrafiltration membrane filaments of the first filter cartridge.

42. A bench water purifier as claimed in claim 40 wherein the first water flow opening and the third water flow opening are both provided in the first base, the first water flow opening forming a first base portion between the flow sleeve and the ultrafiltration membrane filaments of the first filter cartridge, the third water flow opening forming a first base portion between the flow sleeve and the first housing.

43. A bench water purifier as in claim 27, 28, 29, 30, 31, 32, 33, 34, 35, 36 or 37 wherein the first filter device further comprises an actuator element, wherein the actuator element comprises an actuator member and a drive member extending from the actuator member, wherein the actuator member is adapted to be movably disposed between the top end of the first filter cartridge and the first housing, the drive member being adapted to pass out of the operating aperture of the first housing.

44. A bench water purifier as defined in claim 43, wherein the actuator is configured to reciprocate up and down relative to the first housing.

45. A bench water purifier as defined in claim 44, wherein the actuator member further comprises a reset member, wherein one end of the reset member is disposed on the first housing and the other end is disposed on the drive member.

46. A bench water purifier as claimed in claim 44 wherein the actuator of the actuator member forms an actuating surface, wherein the actuating surface is disposed toward the top end of the first cartridge and the actuating surface of the actuator member is a continuous plane.

47. A bench water purifier as defined in claim 43, wherein the actuator is rotatably disposed with respect to the first housing.

48. The bench water purifier of claim 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 40, 41, 42, 44, 45, 46 or 47 further comprising a second filter device disposed at the base, wherein the second filter device comprises a second housing and a second filter cartridge, wherein the second housing forms a second receiving chamber, the second filter cartridge is disposed within the second receiving chamber, wherein the second housing and the second filter cartridge form a second water flow path therebetween, wherein the second filter device has a water inlet and a purified water outlet, and the water inlet of the second filter device is in communication with the second opening of the control valve and the second water flow path of the second filter device, respectively.

49. A bench water purifier according to claim 39 further comprising a second filter device disposed on the base, wherein the second filter device comprises a second housing, a second filter cartridge, and a second base, wherein the second housing forms a second receiving chamber, the second filter cartridge is disposed in the second receiving chamber, wherein the second housing and the second filter cartridge form a second water flow path therebetween, wherein the second filter device has a water inlet and a purified water outlet, and the water inlet of the second filter device is in communication with the second opening of the control valve and the second water flow path of the second filter device, respectively, wherein the second housing and the second filter cartridge are disposed on the second base, and the second base is disposed on the base, wherein the first base, the second base, and the base form a receiving chamber.

50. The bench water purifier of claim 27, 28, 29, 30, 31, 32, 33, 34, 35, 36 or 37 wherein the first filter element of the first filter device forms a first water supply side and a first water purification side, wherein the second water flow opening of the first filter device is formed in the first water purification side, and wherein the first water flow channel is formed between the first housing and the first water supply side of the first filter element.

51. A bench water purifier according to claim 48 wherein the second filter element of the second filter device forms a second water supply side and a second water purification side, wherein the water purification outlet of the second filter device is formed in the second water purification side, and wherein the second water flow passage is formed between the second housing and the second water supply side of the second filter element.

52. The bench water purifier of claim 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 40, 41, 42, 44, 45, 46 or 47 wherein the first water flow opening and the third water flow opening of the first filter are disposed on opposite sides of the first filter, respectively.

53. A baffle assembly for a filter apparatus, comprising:

a first base; and

a baffle sleeve, wherein the baffle sleeve extends upward from the first base, and the baffle sleeve is configured to surround the ultrafiltration membrane filaments of the filtration device.

54. The assembly of claim 53, wherein the first base defines a first water flow opening, a second water flow opening, and a third water flow opening, wherein the water purifying ports of the ultrafiltration membrane filaments of the filter are in communication with the second water flow opening.

55. A baffle assembly for a filtration device as recited in claim 53, wherein the first base defines a first water flow opening formed in the first base portion extending outwardly from the baffle assembly and a third water flow opening formed in the first base portion between the baffle assembly and the ultrafiltration membrane filaments of the first filter cartridge.

56. A baffle assembly for a filtration device as recited in claim 54, wherein the first water flow opening is formed in a first base portion extending outwardly from the baffle assembly, and the third water flow opening is formed in the first base portion between the baffle assembly and the ultrafiltration membrane filaments of the first filter cartridge.

57. The flow directing assembly for a filter device of claim 53, wherein the first base defines a first flow opening and a third flow opening, the first flow opening defining a first base portion between the flow directing assembly and the ultrafiltration membrane filaments of the filter device, the third flow opening defining a first base portion extending outwardly from the flow directing assembly.

58. The flow directing assembly for a filter device of claim 54, wherein the first water flow opening is formed in a first base portion between the flow directing sleeve and an ultrafiltration membrane wire of the filter device, and the third water flow opening is formed in a first base portion extending outwardly from the flow directing sleeve.

59. The assembly of claim 53, 54, 55, 56, 57 or 58, wherein the pod is integrally formed with the first base or the pod is removably disposed on the first base.

60. An actuating element for a filter device, comprising:

an actuator; and

a drive member extending from the actuator member, wherein the actuator member is adapted to be movably disposed between a top end of a first filter cartridge of the filter device and a first housing of the filter device, the drive member being adapted to pass out of an operative aperture of the first housing.

61. An actuator for a filter device as defined in claim 60, wherein the actuator is configured to reciprocate up and down relative to the first housing.

62. The actuating member for a filter device of claim 61, wherein the actuating member of the actuating member forms an actuating surface, wherein the actuating surface is disposed toward the top end of the first filter cartridge.

63. An actuator for a filter device as defined in claim 62, wherein said actuating surface of said actuator is a continuous plane.

64. An actuator for a filter device as defined in claim 60, wherein the actuator is configured to rotate relative to the first housing.

65. An actuating member for a filter device as recited in claim 60, 61, 62, 63 or 64, further comprising a reset member, wherein one end of the reset member is disposed at the first housing and the other end is disposed at the drive member.