WO2021008510A1

WO2021008510A1 - Water purifier and control valve for water purifier

Info

Publication number: WO2021008510A1
Application number: PCT/CN2020/101777
Authority: WO
Inventors: 胡继宗; 胡霄宗; 褚振麟
Original assignee: 余姚市亚东塑业有限公司
Priority date: 2019-07-18
Filing date: 2020-07-14
Publication date: 2021-01-21

Abstract

The present invention provides a water purifier and a control valve for a water purifier. The water purifier of the present invention comprises a control valve for controlling flow of water and a filter device for purifying raw water; the filter device comprises a housing and a filter cartridge; the housing forms a first accommodating cavity; the filter cartridge is provided in the first accommodating cavity of the housing; the housing and the filter cartridge form a raw water channel located therebetween; the filter cartridge is provided with a purified water outlet.

Description

Water purifier and control valve for water purifier

Technical field

The invention relates to a water purifier, in particular to a water purifier with a controllable flow rate. The present invention further relates to a control valve for a water purifier.

Background technique

In the past ten years, people's living standards have improved significantly. Correspondingly, people are paying more and more attention to health in life. For example, people are increasingly demanding the quality of domestic water. However, in many countries, especially developing countries, such as China, Vietnam, India and other countries, with the continuous development of industry and agriculture, water pollution problems have become more and more serious. In these countries, water sources, especially domestic water sources, are often more and more polluted. In addition, the quality of tap water is also affected by the external environment and water supply pipelines. For example, if the sand content of tap water is too high, the water quality of tap water will deteriorate. In addition, in developing countries, due to economic costs and other reasons, the quality of the tap water supply network is poor, lack of cleaning for a long time, and the aging of the pipe network, which also affects the quality of tap water. Therefore, in many countries, tap water cannot be consumed directly. In order to solve the above-mentioned problems of tap water, various household water purifiers have appeared on the market, such as ultrafiltration water purifiers, RO membrane water purifiers, faucet water purifiers, etc., to purify tap water. Among these water purification equipment, faucet water purifiers are favored by many consumers because of their small size, easy installation and disassembly, and the ability to automatically purify tap water under the pressure of tap water without electricity. However, the existing faucet water purifier also has many defects. For example, the existing faucet water purifier lacks a control mechanism, and its water output cannot be controlled by the faucet water purifier. In addition, most of the existing faucet water purifiers still lack a filter element flushing mechanism, and the filter element is prone to blockage after purifying the raw water (or tap water) for a period of time.

Summary of the invention

The main advantage of the present invention is to provide a water purifier, wherein the water purifier of the present invention is suitable to be installed in a tap water pipe, and the control valve of the water purifier of the present invention can control the raw water (or tap water) flowing to the filter device of the water purifier. ) The size of the flow. Further, the control valve of the water purifier of the present invention can realize stepless control of the flow rate of the water purifier of the present invention, so as to meet the different water needs of users or the water needs of different users.

Another advantage of the present invention is to provide a water purifier in which the control valve of the water purifier of the present invention can cut off the flow of raw water to the filter device of the water purifier of the present invention, thereby preventing the filter device of the water purifier of the present invention from being constantly exposed to The effect of water hammer from raw water (for example, tap water) increases the service life of the water purifier.

Another advantage of the present invention is to provide a water purifier, wherein the control valve of the water purifier of the present invention can control (for example, tap water) to reverse flush the filter element, so as to increase the service life of the filter element of the water purifier.

Another advantage of the present invention is to provide a water purifier in which the purified water generated by the filter element of the water purifier of the present invention and the sewage generated by the reverse flushing flow out through different outlets, thereby preventing the sewage generated by the filter element from polluting its purified water Export. In other words, the channel through which the sewage generated by the filter element of the water purifier of the present invention flows is completely independent of the channel through which the purified water generated by the filter element flows.

Another advantage of the present invention is to provide a water purifier, in which the water purifier of the present invention can be integrated and used with a faucet. In other words, the water purifier of the present invention can be connected with the tap and the water pipe respectively. Further, the water purifier and the faucet can be respectively connected with the water pipe, so that the faucet, the water purifier and the water pipe form a three-way structure.

Another advantage of the present invention is to provide a control valve for a water purifier, wherein the control valve for a water purifier of the present invention can control the water purifier to provide purified water generated by the filter element and control raw water to reverse the filter element rinse.

Other objects and features of the present invention are fully embodied by the following detailed description and can be achieved by the combination of means and devices specifically pointed out in the appended claims.

According to one aspect of the present invention, the water purifier of the present invention that can achieve the foregoing objectives and other objectives and advantages includes:

A control valve to control the flow of water; and

A filter device for purifying raw water, wherein the filter device includes a housing and a filter element, wherein the housing forms a first housing cavity, wherein the filter element is disposed in the first housing cavity of the housing, wherein the housing and The filter element forms a raw water channel between the two, and the filter element has a purified water outlet.

According to another aspect of the present invention, the present invention further provides a control valve for a water purifier, which includes:

A valve body; and

A valve core, wherein the valve body forms a valve cavity, a first opening, a second opening, a third opening, a raw water inlet and a sewage opening, wherein the valve core is arranged in the valve cavity, wherein the valve The raw water inlet of the body is adapted to communicate with the raw water source, wherein when the control valve is in a filtering working position, the valve core of the control valve forms a valve that is respectively connected to the first opening of the valve body and the raw water inlet The first communication channel and a second communication channel respectively communicated with the second opening and the third opening of the valve body.

Through the understanding of the following description and the drawings, the further objectives and advantages of the present invention will be fully embodied.

These and other objectives, features and advantages of the present invention are fully embodied by the following detailed description, drawings and claims.

Description of the drawings

Fig. 1A is a front view of a water purifier according to an embodiment of the present invention.

Fig. 1B is an assembly diagram of the above-mentioned water purifier according to the embodiment of the present invention.

Fig. 1C is a cross-sectional view of the above-mentioned water purifier according to the embodiment of the present invention.

Fig. 1D is another cross-sectional view of the above-mentioned water purifier according to the embodiment of the present invention.

Fig. 2A is an assembly diagram of the control valve of the water purifier according to the embodiment of the present invention.

Fig. 2B is an assembly diagram of the filtering device of the water purifier according to the embodiment of the present invention.

Fig. 3A is a front view of the filtering device of the water purifier according to the embodiment of the present invention.

3B is a cross-sectional view of the filtering device of the water purifier according to the embodiment of the present invention.

3C is another cross-sectional view of the filter device of the water purifier according to the embodiment of the present invention, wherein the figure shows the brush of the filter device.

Fig. 3D is a perspective view of the filter element of the filter device of the water purifier according to the embodiment of the present invention.

4A is a perspective view of the base of the filter device of the water purifier according to the embodiment of the present invention.

4B is a cross-sectional view of the base of the filter device of the water purifier according to the embodiment of the present invention.

Fig. 5A is a perspective view of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the first passage, the second passage, the third passage, and the fourth passage of the flat valve.

5B is another perspective view of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the first passage, second passage, third passage, fourth passage and second seal of the flat valve Pieces.

5C is another perspective view of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the first opening, the second opening and the third opening of the valve body.

Fig. 5D is another perspective view of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the raw water inlet of the valve body.

5E is another perspective view of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the third opening of the valve body.

Fig. 5F is another perspective view of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the drain opening of the valve body.

5G is a top view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention.

5H is a bottom view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention.

FIG. 5I is a front view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention.

Fig. 5J is a side view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention.

5K is another side view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention.

6A is a cross-sectional view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that the first passage of the flat valve is communicated with the first opening.

6B is a cross-sectional view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that the second passage of the flat valve is communicated with the second opening.

6C is a cross-sectional view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that the third passage of the flat valve is communicated with the third opening.

6D is a cross-sectional view of the valve body of the flat valve of the above-mentioned water purifier according to the embodiment of the present invention, wherein the figure shows that the fourth channel of the flat valve is communicated with the drain opening.

Fig. 6E is a cross-sectional view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that the raw water inlet of the flat valve communicates with the valve cavity.

7A is a cross-sectional view of the flat valve of the water purifier according to the embodiment of the present invention, in which the fixing device is provided in the valve cavity of the flat valve.

Fig. 7B is a perspective view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention, in which the deflector of the water purifier of the present invention is arranged on the valve body of the flat valve.

Fig. 7C is a perspective view of the valve body of the flat valve of the water purifier according to the embodiment of the present invention, in which the sealing gasket of the water purifier of the present invention is provided on the valve body of the flat valve.

Fig. 7D is a perspective view of the deflector of the water purifier according to the embodiment of the present invention.

Fig. 7E is another perspective view of the deflector of the water purifier according to the embodiment of the present invention.

Fig. 7F is a perspective view of the gasket of the water purifier according to the embodiment of the present invention.

Fig. 8A is a perspective view of the fixing device of the water purifier according to the embodiment of the present invention.

Fig. 8B is a cross-sectional view of the fixing device of the water purifier according to the embodiment of the present invention.

Fig. 8C is a perspective view of the fixing part of the fixed valve plate of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the first sealing groove of the fixing part.

8D is another perspective view of the fixing part of the fixed valve plate of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the second sealing groove of the fixing part.

Fig. 8E shows the fixed portion and the high end portion of the fixed valve disc of the flat valve of the water purifier according to the embodiment of the present invention, wherein the high end portion of the fixed valve disc is disposed at the fixed portion.

Fig. 8F is a perspective view of the first sealing member of the sealing assembly of the water purifier according to the embodiment of the present invention.

8G is a perspective view of the second sealing member of the sealing assembly of the water purifier according to the embodiment of the present invention.

Fig. 8H is a perspective view of the fixing bracket of the fixing device of the water purifier according to the embodiment of the present invention, wherein the figure shows the limiting groove of the fixing bracket.

Fig. 9A is a perspective view of the fixed valve plate of the flat valve of the water purifier according to the embodiment of the present invention.

9B is a top view of the fixed valve plate of the flat valve of the water purifier according to the embodiment of the present invention.

9C is a bottom view of the fixed valve plate of the flat valve of the water purifier according to the embodiment of the present invention.

Fig. 9D is a perspective view of the movable valve plate of the flat valve of the water purifier according to the embodiment of the present invention.

Fig. 9E is a top view of the movable valve plate of the flat valve of the water purifier according to the embodiment of the present invention.

9F is a bottom view of the movable valve plate of the flat valve of the water purifier according to the embodiment of the present invention.

Fig. 10A is a schematic structural diagram of the above-mentioned water purifier according to an embodiment of the present invention, wherein the water purifier shown in the figure is in the filtering working position, and the arrow in the figure points to the direction of water flow.

Fig. 10B is a schematic structural diagram of the above-mentioned water purifier according to the embodiment of the present invention, wherein the water purifier shown in the figure is in the backwash working position, and the arrow in the figure points to the water flow direction.

Fig. 10C is a schematic structural diagram of the above-mentioned water purifier according to the embodiment of the present invention, wherein the water purifier shown in the figure is in a standby working position.

FIG. 11A is a schematic structural diagram of the fixed valve plate of the flat valve of the water purifier according to the embodiment of the present invention.

FIG. 11B is a structural diagram of the movable valve plate of the flat valve of the water purifier according to the embodiment of the present invention, wherein the dotted line in the figure shows the conduction channel of the movable valve plate.

Fig. 11C is a schematic diagram of the equal parts of the fixed valve plate of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that each channel is arranged at a specific equal position of the fixed valve plate.

Fig. 11D is a schematic diagram showing the division of the movable valve plate of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that each channel is arranged at a specific division position of the movable valve plate.

12A is a schematic diagram of the communication between the channel of the movable valve plate and the channel of the fixed valve plate of the flat valve when the flat valve of the water purifier according to the embodiment of the present invention is completely switched to the filtering working position. The shaded part in the figure shows the communication channels of the movable valve disc and the fixed valve disc of the flat valve.

Fig. 12B shows the flat valve of the water purifier according to the embodiment of the present invention that is switched from the standby working position to the filtering working position or switched from the filtering working position to the standby working position. During the switching process, the flat valve The schematic diagram of the communication between the channel of the movable valve disc and the channel of the fixed valve disc, wherein the shaded part in the figure shows the communicating channels of the movable valve disc and the fixed valve disc of the flat valve.

12C is a schematic diagram of the communication between the channel of the moving valve plate and the channel of the fixed valve plate of the flat valve when the flat valve of the water purifier according to the embodiment of the present invention is completely switched to the backwash working position, wherein The shaded part in the figure shows the communication channel between the movable valve plate and the fixed valve plate of the flat valve.

12D is a schematic diagram of the communication between the passage of the moving valve plate and the passage of the fixed valve plate of the flat valve when the flat valve of the water purifier according to the embodiment of the present invention is in its standby working position, wherein the figure The shaded part shows the communication channels of the movable valve disc and the fixed valve disc of the flat valve.

Fig. 13 is an assembly diagram of an alternative implementation of the control valve of the water purifier according to the embodiment of the present invention.

14A is a perspective view of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the first passage, the second passage, the third passage, and the fourth passage of the flat valve Raw water inlet channel.

14B is another perspective view of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the first passage, second passage, third passage, and fourth passage of the flat valve Channel, raw water inlet channel and second seal.

14C is another perspective view of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the first opening, the second opening, and the third opening of the valve body.

Fig. 14D is another perspective view of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the raw water inlet of the valve body.

Fig. 14E is another perspective view of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the third opening of the valve body.

Fig. 14F is another perspective view of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the drain opening of the valve body.

14G is a top view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

14H is a bottom view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

14I is a front view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

14J is a side view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

14K is another side view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

15A is a cross-sectional view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that the first passage of the flat valve is communicated with the first opening.

15B is a cross-sectional view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that the second passage of the flat valve is communicated with the second opening.

15C is a cross-sectional view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that the third passage of the flat valve is communicated with the third opening.

15D is a cross-sectional view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that the fourth channel of the flat valve is connected to the drain opening.

15E is a cross-sectional view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows that the raw water inlet of the flat valve is connected to the raw water inlet channel.

16A is a cross-sectional view of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the fixing device is provided in the valve cavity of the flat valve.

16B is a perspective view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, in which the deflector of the water purifier of the present invention is arranged on the valve body of the flat valve.

16C is a perspective view of the valve body of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the sealing gasket of the water purifier of the present invention is provided on the valve body of the flat valve.

Fig. 16D is a perspective view of the deflector of the water purifier according to the embodiment of the present invention.

Fig. 16E is another perspective view of the deflector of the water purifier according to the embodiment of the present invention.

Fig. 16F is a perspective view of the gasket of the water purifier according to the embodiment of the present invention.

17A is a perspective view of the fixing device of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

17B is a cross-sectional view of the fixing device of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

Fig. 17C is a perspective view of the fixed part of the fixed valve disc of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the first sealing groove of the fixed part.

Fig. 17D is another perspective view of the fixed part of the fixed valve disc of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the second sealing groove of the fixed part.

Fig. 17E is the fixed part and the high end part of the fixed valve disc of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the high end part of the fixed valve disc is set at the fixed unit.

Fig. 17F is a perspective view of the first sealing member of the optional sealing assembly of the flat valve of the water purifier according to the embodiment of the present invention.

Fig. 17G is a perspective view of the second sealing member of the optional sealing assembly of the flat valve of the water purifier according to the embodiment of the present invention.

Fig. 17H is a perspective view of the fixing bracket of the optional fixing device of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the limiting groove of the fixing bracket.

18A is a perspective view of the fixed valve disc of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

18B is a top view of the fixed valve disc of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

18C is a bottom view of the fixed valve plate of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

18D is a perspective view of the movable valve plate of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

Fig. 18E is a top view of the movable valve plate of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

18F is a bottom view of the movable valve plate of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

FIG. 19A is a schematic structural diagram of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the water purifier shown in the figure is in the filtering working position, and the arrow in the figure points to the water flow direction.

19B is a schematic structural diagram of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, in which the water purifier shown in the figure is in the backwash working position, and the arrow in the figure points to the water flow direction .

19C is a schematic structural diagram of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the water purifier shown in the figure is in a standby working position.

Fig. 20A is a schematic structural view of the fixed valve disc of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention.

20B is a schematic structural diagram of the movable valve disc of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the dotted line in the figure shows the conduction channel of the movable valve disc.

20C is a schematic diagram of the fixed valve plate of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the specific equal division of the fixed valve plate of each channel position.

FIG. 20D is a schematic diagram of an aliquot of the movable valve plate of the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention, wherein the figure shows the specific halves of the movable valve plate where each channel is arranged position.

21A is the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention when it is completely switched to the filtering working position, the channel of the movable valve plate of the flat valve and the passage of the fixed valve plate A schematic diagram of the communication between the two, in which the shaded part in the figure shows the communicating channels of the movable valve plate and the fixed valve plate of the flat valve.

21B is the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention when switching from the standby working position to the filtering working position or switching from the filtering working position to the standby working position, in the switching process , The schematic diagram of the communication between the channel of the moving valve plate and the channel of the fixed valve plate of the flat valve, wherein the shaded part in the figure shows the mutual relationship between the moving valve plate and the fixed valve plate of the flat valve Connected channels.

Figure 21C shows the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention when it is completely switched to the backwashing position, between the passage of the moving valve plate and the passage of the fixed valve plate of the flat valve Schematic diagram of the communication, in which the shaded part in the figure shows the communication channels of the movable valve disc and the fixed valve disc of the flat valve.

Figure 21D is a schematic diagram of the communication between the channel of the moving valve disc and the channel of the fixed valve disc of the flat valve when the optional implementation of the flat valve of the water purifier according to the embodiment of the present invention is in its standby working position , Where the shaded part in the figure shows the communicating channels of the movable valve disc and the fixed valve disc of the flat valve.

Detailed ways

The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention And to simplify the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so the above terms should not be understood as limiting the present invention.

It can be understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in other embodiments, the number of the element There can be more than one, and the term "one" should not be understood as a limitation on the number.

1A to 21D of the accompanying drawings of the specification, the water purifier according to the embodiment of the present invention is illustrated, wherein the water purifier 2 of the present invention includes a control valve 10 for controlling the flow of water and a filtering device for purifying raw water 20, wherein the control valve 10 is arranged between the water pipe 3 and the filter device 20. It can be understood that the control valve 10 is configured to control the flow of water, such as controlling the supply of raw water (or tap water) to the filtering device 20 and controlling the supply of purified water generated or produced by the filtering device 20 processing raw water. Further, the control valve 10 is configured to control the flow rate of the raw water flowing to the filter device 20 of the water purifier 2 to meet the different water needs of users or the water needs of different users.

It is worth noting that the water purifier 2 of the present invention is configured to be used with a faucet, such as the faucet 1 shown in FIGS. 1A to 1D. At this time, the water purifier 2 of the present invention can be integrated with the faucet 1. Therefore, the faucet 1 can be regarded as a part or a component of the water purifier 2.

As shown in FIGS. 1A, 2B to 4B of the drawings, the filter device 20 of the water purifier 2 according to the embodiment of the present invention includes a housing 21 and a filter element 22, wherein the housing 21 forms a first receiving cavity 210, wherein the filter element 22 is disposed in the first accommodating cavity 210 of the housing 21, wherein the housing 21 and the filter element 22 form a raw water channel 2101 between them, and the filter element 22 has a purified water outlet 2201 . Correspondingly, when raw water flows into the raw water channel 2101 under the action of water pressure and is processed by the filter element 22, the generated purified water flows out from the purified water outlet 2201 of the filter element 22. Therefore, the raw water channel 2101 is located on one side of the filter element 22, and the purified water outlet 2201 is formed on an opposite side. Preferably, the filter element 22 may be an ultrafiltration filter element. More preferably, the filter element 22 is a ceramic filter element. It is understandable that the filter element can also be a filter element made of other materials, or a composite filter element made of multiple materials, for example, made of any two or more materials among ceramic, carbon fiber, PP cotton and activated carbon particles Composed of composite filter element.

As shown in FIGS. 1A, 2B to 4B of the drawings, the filter device 20 of the water purifier 2 according to the embodiment of the present invention has a first communication opening 201 and a second communication opening 202, wherein the filter device The first communication opening 201 of the 20 is in communication with the raw water channel 2101 of the filter device 20, so that the control valve 10 can supply raw water to the filter device 20 through the first communication opening 201, and the filter device 20 The second communication opening 202 communicates with the purified water outlet 2201 of the filter element 22, so that the purified water produced by the filter element 22 can flow out through the second communication opening 202, and under the control of the control valve 10, the present invention A first water outlet 100 of the water purifier 2 is provided to the user. In other words, the purified water produced by the filter element 22 of the filter device 20 of the water purifier 2 of the present invention flows to the second communication opening 202 of the filter device 20 under the action of water pressure.

As shown in Figures 1A, 2B to 4B of the drawings, correspondingly, when the filter device 20 of the water purifier 2 according to the embodiment of the present invention is used to process raw water, the user can control The valve 10 controls the flow of raw water to the first communication opening 201 of the filter device 20, the raw water flows to the raw water channel 2101 of the filter device 20 under the action of water pressure, and the raw water is processed by the filter element 22 under the action of water pressure. The generated purified water flows from the purified water outlet 2201 of the filter element 22 to the second communication opening 202 of the filter device 20 under the action of water pressure, and flows out from the second communication opening 202 under the control of the control valve 10 And be provided. Accordingly, at this time, the water purifier 2 according to the embodiment of the present invention is in a filtering working state. Further, when the control valve 10 of the water purifier 2 according to the embodiment of the present invention controls the raw water to backwash the filter device 20, the user can control the flow of the raw water to the second connection of the filter device 20 through the control valve 10 In the opening 202, the raw water flows to the purified water outlet 2201 of the filter element 22 of the filter device 20 under the action of water pressure, and under the action of the water pressure, the filter element 22 is backwashed, and the generated sewage is under the action of the water pressure It flows from the raw water channel 2101 to the first communication opening 201 of the filter device 20, and flows out from the first communication opening 201 under the control of the control valve 10. Correspondingly, at this time, the water purifier 2 according to the embodiment of the present invention is in a backwash working state. It can be understood that the backwash in this text refers to the flow direction of raw water flowing through the filter element 22 when the filter element 22 is washed, and the flow direction of raw water flowing through the filter element 22 when the filter element 22 purifies the raw water.

As shown in FIGS. 1A, 2B to 4B of the drawings, further, the water purifier 2 according to the embodiment of the present invention also has a standby working state, wherein when the water purifier 2 of the present invention is in the standby working state , The user can control the raw water to stop flowing to the filtering device 20 through the control valve 10. Accordingly, raw water will no longer be supplied to the filtering device 20 through the control valve 10. In other words, at this time, the water purifier 2 of the present invention stops working, and the control valve 10 no longer provides raw water or purified water to the user.

As shown in FIGS. 2A to 12D of the drawings, the control valve 10 of the water purifier 2 according to the embodiment of the present invention includes a valve body 11 and a valve core 12, wherein the valve body 11 forms a valve cavity 110, A first opening 1101, a second opening 1102, a third opening 1103, a raw water inlet 1105, and a sewage opening 1104, wherein the valve core 12 is arranged in the valve cavity 110, wherein the first opening of the valve body 11 The opening 1101 is adapted to communicate with the first communication opening 201 of the filter device 20, the second opening 1102 of the valve body 11 is adapted to communicate with the second communication opening 202 of the filter device 20, and the valve body 11 The third opening 1103 is adapted to communicate with the first water outlet 100, and the raw water inlet 1105 of the valve body 11 is adapted to communicate with a raw water source (for example, a tap water pipe or a tap water outlet).

As shown in Figures 2A, 3B, 5A to 5D and 10A of the accompanying drawings, the control valve 10 of the water purifier 2 according to the embodiment of the present invention has a filtering working position, wherein when the control valve 10 is in In the filtering working position, the valve core 12 of the control valve 10 forms a first communication passage 1001 and a second communication passage 1002, wherein the first communication passage 1001 is connected to the first opening 1101 and the first opening 1101 of the valve body 11 respectively. The raw water inlet 1105 is in communication, and the second communication channel 1002 is in communication with the second opening 1102 and the third opening 1103 of the valve body 11 respectively. Correspondingly, when the control valve 10 is in the filtering working position, raw water or tap water flows in from the raw water inlet 1105 of the valve body 11 of the control valve 10 under the action of water pressure, and flows to the first communication channel 1001 The first opening 1101 of the valve body 11 further flows into the raw water channel 2101 of the filter device 20 from the first communication opening 201 of the filter device 20, and the raw water flowing into the raw water channel 2101 is filtered by the filter element 22 to produce The purified water flows out from the purified water outlet 2201 of the filter element 22 and flows to the second communication opening 202 of the filter device 20. Further, the purified water produced by the filter element 22 flows out from the second communication opening 202 under the action of water pressure, and flows through the second opening 1102, the second communication channel 1002, and the third opening 1103 in sequence, thereby The generated purified water can be provided through the first water outlet 100 communicating with the third opening 1103. It can be understood that when the control valve 10 of the water purifier 2 according to the embodiment of the present invention is controlled to be in the filtering working position, the water purifier 2 of the present invention is controlled to be in its filtering working state.

As shown in Figures 2A, 3B, 5A to 5D and 10B of the accompanying drawings, the control valve 10 of the water purifier 2 according to the embodiment of the present invention further has a backwash working position, wherein when the control valve When 10 is in the backwash working position, the spool 12 of the control valve 10 forms a third communication channel 1003 and a fourth communication channel 1004, wherein the third communication channel 1003 is connected to the second communication channel of the valve body 11 respectively. The opening 1102 is in communication with the raw water inlet 1105, and the fourth communication channel 1004 is in communication with the first opening 1101 and the sewage opening 1104 of the valve body 11, respectively. Correspondingly, when the control valve 10 is in the backwash working position, raw water or tap water flows in from the raw water inlet 1105 of the valve body 11 of the control valve 10 under the action of water pressure, and flows to the direction through the third communication channel 1003 The second opening 1102 of the valve body 11 further flows into the filter device 20 from the second communication opening 202 of the filter device 20, and raw water flows into the filter device 20 from the purified water outlet 2201 of the filter element 22 under the action of water pressure. After the filter element 22 is backwashed, the generated sewage flows into the raw water channel 2101. At this time, since the first opening 1101 of the valve body 11 and the sewage opening 1104 are connected through the fourth communication channel 1004, the sewage generated by the raw water reverse washing the filter element 22 flows into the raw water channel 2101, and then The first communication opening 201 flows out and flows through the first opening 1101, the fourth communication channel 1004 and the sewage opening 1104 in sequence, so that the sewage generated by the raw water backwashing the filter element 22 can be discharged through the sewage opening 1104. It can be understood that when the control valve 10 of the water purifier 2 according to the embodiment of the present invention is controlled to be in the backwash working position, the water purifier 2 of the present invention is controlled to be in its backwash working state.

As shown in Figures 2A, 3B and 10C of the accompanying drawings, the valve body 11 of the control valve 10 of the water purifier 2 according to the embodiment of the present invention further has a standby working position, wherein when the control valve 10 is in In the standby working position, the flow of raw water to the filter device 20 is cut off by the control valve 10 (or stops flowing to the filter device 20), so that the filter device 20 is prevented from being impacted by the water hammer of the tap water pipe, thereby making the filter The device 20 has a longer service life. In addition, since the impact of the filter device 20 is reduced, the housing 21 of the filter device 20 can be made of a transparent resin material with lower strength. That is, when the control valve 10 is in the standby working position, the flow of raw water into the control valve 10 through the raw water inlet 1105 is cut off by the control valve 10. Correspondingly, when the control valve 10 of the water purifier 2 according to the embodiment of the present invention is controlled to be in the standby working position, the water purifier 2 of the present invention is controlled to be in its standby working state.

As shown in FIGS. 1A to 1D of the drawings, the water purifier 2 of the present invention further includes a connecting pipe 70, wherein the connecting pipe 70 forms a raw water waterway 701 suitable for communicating with a raw water source (such as a tap water pipe 3), The control valve 10 and the faucet 1 are respectively connected to the connecting pipe 70, and the raw water inlet 1105 of the control valve 10 and the cold water pipe 16 of the faucet 1 are respectively communicated with the raw water waterway 701, so that the raw water can be freely connected. The raw water channel 701 flows to the control valve 10 and the cold water pipe 16 of the faucet 1.

As shown in FIGS. 1A to 1D of the drawings, the connecting pipe 70 of the water purifier 2 according to the embodiment of the present invention further forms a first conduction opening 710, a second conduction opening 720, and a third conduction opening. Through opening 730, wherein the first through opening 710 is adapted to communicate with the raw water inlet 1105 of the control valve 10 and the raw water channel 701 respectively, and the second through opening 720 is adapted to connect with the cold water of the faucet 1 respectively The pipe 16 communicates with the raw water channel 701, and the third conduction opening 730 is adapted to communicate with the raw water channel 701 and the raw water source respectively. Correspondingly, both the water purifier 2 and the faucet 1 of the present invention can be connected to the raw water source through the connecting pipe 70.

As shown in FIGS. 1A to 1D of the drawings, the connecting pipe 70 of the water purifier 2 according to the embodiment of the present invention further forms a first connecting end 71, a second connecting end 72 and a third connecting end 73 , Wherein the first connecting end 71 of the connecting pipe 70 forms the first conducting opening 710, the second connecting end 72 forms the second conducting opening 720, and the third connecting end 73 forms the third conducting opening 730, wherein the control valve 10 is connected to the first connecting end 71 of the connecting pipe 70, and the faucet 1 is connected to the second connecting end 72 of the connecting pipe 70. In other words, the control valve 10 and the faucet 1 obtain raw water through the raw water channel 701 respectively, and the flow of raw water to the filter device 20 is not controlled by the faucet 1. Correspondingly, the faucet 1, the water purifier 2 and the connecting pipe 70 can be regarded as forming a three-way structure. Preferably, the water purifier 2 and the faucet 1 of the present invention are integrated together through the connecting pipe 70 and communicate with the tap water pipe 3 through the connecting pipe 70. Therefore, the water purifier 2 of the present invention can be regarded as a faucet water purifier with the function of controlling the flow rate of raw water that can be integrated with the faucet 1. In addition, since the water purifier 2 and the faucet 1 of the present invention are integrated together through the connecting pipe 70, the faucet 1 can be regarded as an element or part of the water purifier 2 of the present invention. Preferably, the cold water pipe 16 and the connecting pipe 70 are integrally formed. As shown in FIGS. 1A to 1D of the drawings, the faucet 1 of the water purifier 2 according to the embodiment of the present invention preferably further includes a hot water pipe 18. In some embodiments, the faucet 1 is an electric heating faucet.

As shown in FIGS. 2A and 13 of the accompanying drawings, the water purifier 2 according to the embodiment of the present invention further includes a gasket 17, wherein the gasket 17 is disposed between the connecting pipe 70 and the control valve 10, In order to achieve a seal between the connecting pipe 70 and the control valve 10. As shown in FIG. 2A of the accompanying drawings, the water purifier 2 according to the embodiment of the present invention further includes a water outlet elbow 90, wherein the water outlet elbow 90 communicates with the third opening 1103 of the control valve 10, so that The purified water generated by the filtering device 20 can be supplied from the water outlet elbow 90. Preferably, the first water outlet 100 is formed by the water outlet elbow 90 of the water purifier 2 of the present invention.

As shown in FIGS. 2B to 4B of the drawings, the filter device 20 of the water purifier 2 according to the embodiment of the present invention further includes a base 24, wherein the filter element 22 is disposed on the base 24, and the base 24 The base 24 forms a first water cavity 2401, wherein the first water cavity 2401 of the base 24 is respectively connected to the water purification outlet 2201 of the filter element 22 of the filter device 20 and the second communication opening 202 of the filter device 20 Connected. In other words, the purified water outlet 2201 of the filter element 22 communicates with the second communication opening 202 of the filter device 20 through the first water cavity 2401 of the base 24, so that the purified water generated by the filter element 22 can be It flows out from the second communication opening 202. Preferably, the filter element 22 is water-tightly arranged on the base 24, and the first water cavity 2401 is formed between the filter element 22 and the base 24. More preferably, the second communication opening 202 is provided in the base 24.

As shown in FIGS. 2B to 4B of the drawings, the filter element 22 of the filter device 20 of the water purifier 2 according to the embodiment of the present invention is water-tightly arranged on the base 24 to prevent the control valve 10 When the filter element 22 is controlled to filter the raw water, the raw water in the raw water channel 2101 flows into the first water cavity 2401. Further, the filter element 22 is detachably disposed on the base 24 so that the filter element 22 can be replaced. Optionally, the filter element 22 is water-tightly arranged on the housing 21 so that raw water can only flow in the raw water channel 2101 when the control valve 10 controls the filter element 22 to filter raw water. Optionally, the filter element 22 is detachably disposed on the casing 21, and the casing 21 is water-tightly disposed on the base 24. Optionally, the filter element 22 is integrally formed on the base 24. Optionally, the filter element 22 is integrally formed on the housing 21, and the shell 21 is integrally formed on the base 24.

As shown in FIGS. 2B to 4B of the drawings, the base 24 of the filter device 20 of the water purifier 2 according to the embodiment of the present invention includes a base portion 241 and a first spacer 242, wherein the first The spacer 242 is disposed on the base part 241 and extends from the base part 241, wherein the first spacer 242 surrounds and forms the first water cavity 2401. More preferably, the first spacer 242 is annular.

As shown in FIGS. 2B to 4B of the drawings, the first communication opening 201 of the filter device 20 of the water purifier 2 according to the embodiment of the present invention is preferably provided on the base 24. Optionally, the first communication opening 201 of the filter device 20 is provided in the housing 21. As shown in FIGS. 2B to 4B of the drawings, the housing 21 of the filtering device 20 of the water purifier 2 according to the embodiment of the present invention is preferably arranged on the edge of the base 24. More preferably, the housing 21 and the base 24 are integrally formed.

As shown in FIGS. 2B to 4B of the drawings, the base 24 of the water purifier 2 according to the embodiment of the present invention further has a conducting portion 246, wherein the conducting portion 246 has a first conducting channel 2461 And a second conduction channel 2462, wherein the first conduction channel 2461 is set to communicate with the first communication opening 201 and the raw water channel 2101, and the second conduction channel 2462 is set to communicate with the second The opening 202 is in communication with the first water chamber 2401. Preferably, the first conduction channel 2461 is provided between the first communication opening 201 and the raw water channel 2101, and the second conduction channel 2462 is provided in the first communication channel 2101. Between the two communicating openings 202 and the first water cavity 2401.

As shown in FIGS. 2B to 4B of the drawings, further, the filter device 20 of the water purifier 2 according to the embodiment of the present invention further includes a brush 26, wherein the brush 26 includes a brush body 261, wherein the brush The body 261 is rotatably disposed between the housing 21 and the filter element 22, so that when the brush body 261 is rotated, the outer surface of the filter element 22 facing the housing 21 can be brushed. Further, the brush body 261 of the brush 26 of the filter device 20 includes a bristle holder 2611 and a set of bristles 2612, wherein the bristles 2612 of the brush body 261 of the brush 26 are arranged on the bristle holder 2611, and The bristles 2612 are arranged toward the filter element 22, so that when the brush body 261 is rotated, the bristles 2612 can scrub the outer surface of the filter element 22. It can be understood that when the filter element 22 of the filter device 20 of the water purifier 2 of the present invention is reversely flushed, rotating the brush body 261 can make the filter element 22 facing the outer surface of the housing 21 be cleaned. In other words, the brush 26 combined with the raw water backwashing the filter element 22 of the filter device 20 of the water purifier 2 of the present invention can effectively backwash the filter element 22 of the filter device 20 of the water purifier 2 of the present invention. Therefore, the service life of the filter device 20 of the water purifier 2 of the present invention is increased.

As shown in FIGS. 2B to 4B of the drawings, the brush 26 of the filter device 20 of the water purifier 2 according to the embodiment of the present invention further has an operating end 262 provided on the hair frame 2611, and the filter The housing 21 of the device 20 has an operating hole 211, and the operating end 262 extends from the hair frame 2611 and passes through the operating hole 211 of the housing 21, so that the user can use a driving mechanism, such as a knob, a rotating handle, etc. Rotating the operating end 262 drives the brush body 261 to rotate along the outer surface of the filter element 22. It can be understood that the operating end 262 extends from the hair frame 2611 and passes through the operating hole 211 of the housing 21.

As shown in Figures 2A, 5A to 12D of the drawings, the control valve 10 of the water purifier 2 according to the embodiment of the present invention is a flat valve, wherein the spool 12 of the flat valve 10 further includes a fixed valve The valve plate 121 and a moving valve plate 122, wherein the fixed valve plate 121 has a first fluid control surface 1210, the moving valve plate 122 has a second fluid control surface 1220, wherein the moving valve plate 122 and the fixed valve plate 121 are all disposed in the valve cavity 110, wherein the second fluid control surface 1220 of the movable valve disc 122 is disposed on the first fluid control surface 1210 of the fixed valve disc 121, and the movable valve disc 122 is configured to Relative to the fixed valve plate 121 rotates. Preferably, the raw water inlet 1105 is in communication with the valve cavity 110 of the valve body 11.

As shown in Figures 2A, 5A to 12D of the drawings, the flat valve 10 of the water purifier 2 according to the embodiment of the present invention has a first channel 101, a second channel 102, a third channel 103, A fourth channel 104, a fifth channel 105 and a sixth channel 106, wherein the first channel 101, the second channel 102, the third channel 103 and the fourth channel 104 are respectively provided on the fixed valve plate 121 And respectively extend from the first fluid control surface 1210 of the fixed valve disc 121; the fifth channel 105 and the sixth channel 106 are respectively provided on the movable valve disc 122 and are respectively derived from the second fluid of the movable valve disc 122 The control surface 1220 extends, wherein the first channel 101 communicates with the first opening 1101, the second channel 102 communicates with the second opening 1102, the third channel 103 communicates with the third opening 1103, and the The four channels 104 communicate with the sewage opening 1104, and the fifth channel 105 communicates with the raw water inlet 1105. Preferably, the raw water inlet 1105 and the fifth channel 105 are respectively communicated with the valve cavity 110, so that the fifth channel 105 is communicated with the raw water inlet 1105. More preferably, the sixth channel 106 of the movable valve plate 122 is a blind conducting hole.

As shown in FIGS. 11A to 11D of the drawings, the first fluid control surface 1210 of the fixed valve plate 121 of the flat valve 10 of the water purifier 2 according to the embodiment of the present invention forms a central portion 12101 and a self The central portion 12101 extends outwardly, an extension portion 12102 and an edge portion 12103 that extends outwardly from the extension portion 12102, wherein the first passage 101 and the second passage 102 of the planar valve 10 are separated from the fixed valve disc 121 The edge portion 12103 of the first fluid control surface 1210 extends, the third channel 103 and the fourth channel 104 respectively extend from the extension portion 12102 of the first fluid control surface 1210 of the fixed valve plate 121, the planar valve The second fluid control surface 1220 of the moving valve disc 122 of 10 forms a central area 12201, an extension area 12202 extending outward from the central area 12201, and an edge area 12203 extending outward from the extension area 12202. The fifth channel 105 of the planar valve 10 extends from the edge area 12203 of the second fluid control surface 1220 of the movable valve disc 122, and the sixth channel 106 extends from the second fluid control surface 1220 of the movable valve disc 122 The extension area 12202 and the edge area 12203 extend. Preferably, the first channel 101 is arranged on the outer side of the fourth channel 104 and the second channel 102 is arranged on the outer side of the third channel 103. Preferably, the first channel 101, the second channel 102, the third channel 103, and the fourth channel 104 of the planar valve 10 are spaced apart and arranged on the first fluid control surface of the fixed valve plate 121 1210; the fifth channel 105 and the sixth channel 106 of the planar valve 10 are spaced apart and arranged on the second fluid control surface 1220 of the movable valve plate 122.

As shown in FIGS. 10A, 12A, and 12B of the drawings, the movable valve disc 122 of the flat valve 10 of the water purifier 2 according to the embodiment of the present invention can rotate relative to the fixed valve disc 121 so that the flat valve 10 has a filtering working position, wherein when the flat valve 10 is in the filtering working position, the fifth channel 105 of the flat valve 10 communicates with the first channel 101, so as to form a connection with the raw water inlet 1105 and the first channel 101 respectively. The first communication passage 1001 communicated with an opening 1101, the sixth passage 106 of the planar valve 10 is respectively communicated with the second passage 102 and the third passage 103, thereby forming a connection with the second opening 1102 and the The second communication channel 1002 communicated with the third opening 1103. As shown in FIG. 12A of the drawings, when the flat valve 10 of the water purifier 2 according to the embodiment of the present invention is in the filtering working position, the fourth passage 104 of the flat valve 10 is blocked by the movable valve plate 122 (Or closed).

As shown in FIGS. 10B and 12C of the drawings, when the flat valve 10 of the water purifier 2 according to the embodiment of the present invention further has a backwash working position, when the flat valve 10 is in the backwash working position, The fifth channel 105 of the planar valve 10 communicates with the second channel 102, thereby forming the third communication channel 1003 that communicates with the raw water inlet 1105 and the second opening 1102, and the sixth channel 106 is connected with The first passage 101 and the fourth passage 104 are communicated, thereby forming the fourth communication passage 1004 communicating with the first opening 1101 and the sewage opening 1104 respectively. As shown in FIG. 12C of the drawings, when the flat valve 10 of the water purifier 2 according to the embodiment of the present invention is in the backwash working position, the third passage 103 of the flat valve 10 is blocked by the movable valve plate 122 Blocked (or closed).

As shown in FIGS. 10C and 12D of the drawings, when the flat valve 10 of the water purifier 2 according to the embodiment of the present invention further has a standby working position, when the flat valve 10 is in the standby working position, the flat The fifth channel 105 and the sixth channel 106 of the valve 10 are both blocked by the first fluid control surface 1210 of the fixed valve disc 121, and the raw water is controlled not to enter the filter device 20 and be purified by it, and at the same time not Water is supplied to the user, that is, when the water purifier 2 is in the standby working position, the flat valve 10 can prevent raw water from flowing through the flat valve 10. As shown in FIG. 12D of the drawings, when the flat valve 10 of the water purifier 2 according to the embodiment of the present invention is in the standby working position, the first passage 101, the second passage 102, and The third passage 103 and the fourth passage 104 are blocked (or closed) by the movable valve plate 122 respectively.

As shown in FIG. 5C of the drawings, the first opening 1101 and the second opening 1102 of the flat valve 10 of the water purifier 2 according to the embodiment of the present invention are provided on the valve body 11 of the flat valve 10 Same side.

As shown in FIGS. 5C and 7B to 7E of the drawings, the water purifier 2 according to the embodiment of the present invention further includes a deflector 30, wherein the deflector 30 is arranged on the base of the filter device 20 Between the seat 24 and the valve body 11 of the planar valve 10, the flow guide plate 30 has a first flow guide hole 301 and a second flow guide hole 302, wherein the first guide flow hole 301 has a first guide flow hole 301 The orifice 3011 and a second orifice 3012, the second orifice 302 has a third orifice 3021 and a fourth orifice 3022, wherein the deflector 30 further has a first side 31 and A second side surface 32, wherein the first diversion port 3011 and the third diversion port 3021 are arranged on the first side surface 31 of the baffle 30, the second diversion port 3012 and the fourth diversion port The port 3022 is disposed on the second side surface 32 of the deflector 30, wherein the first side surface 31 of the deflector 30 is disposed toward the valve body 11, and the second side surface 32 is disposed toward the base 24. Further, the first diversion port 3011 is configured to communicate with the first opening 1101 of the valve body 11, the third diversion port 3021 is configured to communicate with the second opening 1102, and the The two diversion ports 3012 are configured to communicate with the first communication opening 201 of the filter device 20, and the fourth diversion port 3022 is configured to communicate with the second communication opening 202. In other words, the first flow-conducting hole 301 of the baffle 30 is respectively communicated with the first opening 1101 and the first communication opening 201, and the second flow-conducting hole 302 is respectively connected with the second opening 1102 and the The second communication opening 202 communicates with each other. Preferably, the baffle 30 is made of a sealing material so as to be water-tightly disposed between the base 24 of the filter device 20 and the control valve 10, so as to water-seal the filter device 20. The role of the connection between the base 24 and the valve body 11 of the control valve 10.

As shown in FIGS. 5C and 7B to 7E of the accompanying drawings, the deflector 30 of the water purifier 2 according to the embodiment of the present invention further has a positioning protrusion 33, wherein the positioning protrusion 33 is preferably arranged at The first side surface 31, in which the positioning protrusion 33 is configured to engage with the positioning groove 34 provided on the valve body 11, so as to help the deflector 30 to be correctly set on the valve body 11 of the control valve 10 And the base 24 of the filter device 20. It can be understood that when the positioning protrusion 33 of the deflector 30 is correctly engaged with the positioning groove 34 provided on the valve body 11, the first deflector 3011 and the valve body 11 The first opening 1101 is in communication, the third diversion port 3021 is in communication with the second opening 1102, the second diversion port 3012 is in communication with the first communication opening 201 of the filter device 20, and the fourth diversion port is The port 3022 communicates with the second communication opening 202. It is worth noting that the deflector 30 of the water purifier 2 of the present invention will significantly reduce the manufacturing difficulty of the base 24 and the valve body 11 of the filter device 20 of the water purifier 2 of the present invention. As shown in FIGS. 5C and 7B to 7E of the drawings, the distribution of the first opening 1101 and the second opening 1102 in the valve body 11 of the valve body 11 of the control valve 10 of the water purifier 2 of the present invention The sum shape is irregular, which makes it difficult for the first communication opening 201 and the second communication opening 202 of the filter device 20 to cooperate with and communicate with the first opening 1101 and the second opening 1102. In addition, if the base 24 of the filter device 20 is directly connected to the valve body 11, the distribution and shape of the first opening 1101 and the second opening 1102 of the valve body 11 in the valve body 11 determine The distribution and shape of the first communication opening 201 and the second communication opening 202 of the filter device 20 on the base 24 thereof will cause the manufacturing difficulty of the base 24 of the filter device 20 to increase significantly. The first diversion port 3011 of the deflector 30 used in the water purifier 2 of the present invention, which is arranged on the first side surface 31 thereof, is adapted to communicate with the first opening 1101 of the valve body 11, and the third guide The flow port 3021 is adapted to communicate with the second opening 1102, the second diversion port 3012 provided on the second side surface 32 thereof is adapted to communicate with the first communication opening 201 of the filter device 20, and the fourth The diversion port 3022 is suitable for a structure communicating with the second communication opening 202, which facilitates the mutual communication of the first communication opening 201 and the second communication opening 202 of the filter device 20 with the first opening 1101 and the second opening 1102. Cooperation and connectivity. In addition, the above-mentioned structure of the deflector 30 adopted by the water purifier 2 of the present invention also enables the base 24 of the filter device 20 of the water purifier 2 of the present invention and the valve body 11 of the control valve 10 to be separated. Is manufactured, and the distribution and shape of the first communication opening 201 and the second communication opening 202 of the filter device 20 on the base 24 are not affected by the first opening 1101 and the second opening 1102 of the valve body 11 in the The distribution and shape of the valve body 11 are restricted. This reduces the difficulty of manufacturing the base 24 of the filter device 20.

As shown in Figs. 7A, 8A to 9F of the drawings, the fixed valve disc 121 of the valve core 12 of the flat valve 10 of the water purifier 2 according to the embodiment of the present invention includes a high end portion 1211, a low The end portion 1212 and a fixing portion 1213 arranged between the high end portion 1211 and the low end portion 1212, wherein the high end portion 1211 forms the first fluid control surface 1210 of the fixed valve disc 121, and the low end portion 1212 The valve cavity 110 is provided in the valve body 11. Preferably, the low end portion 1212 of the fixed valve disc 121 of the valve core 12 of the flat valve 10 of the water purifier 2 of the present invention is integrally formed on the inner wall of the valve body 11 of the flat valve 10.

As shown in FIGS. 2A, 7A, and 8A to 8B of the drawings, the control valve 10 of the water purifier 2 according to the embodiment of the present invention further includes a fixing device 40, wherein the fixing device 40 includes a fixing bracket 41. A first clamping member 42 and a second clamping member 43, wherein the fixing bracket 41 of the fixing device 40 has a receiving chamber 410 and at least one water inlet opening 401, wherein the water inlet opening 401 is connected to the The raw water inlet 1105 of the valve body 11 is in communication with the containing chamber 410, wherein the first clamping member 42 is arranged on the fixing portion 1213 of the fixed valve disc 121, and the second clamping member 43 is arranged on the fixing part. The bracket 41, wherein the first clamping member 42 and the second clamping member 43 are configured to be clamped together, so that the fixing portion 1213 of the fixed valve plate 121 can pass through the first clamping member 42 And the second clamping member 43 is fixed to the fixing bracket 41. Further, the water inlet opening 401 and the raw water inlet 1105 of the fixed bracket 41 are both connected to the valve cavity 110 of the valve body 11, so that the receiving chamber 410 of the fixed bracket 41 passes through the water inlet opening 401, The valve cavity 110 of the valve body 11 communicates with the raw water inlet 1105 of the valve body 11 and enables raw water to flow from the raw water inlet 1105 of the valve body 11 into the receiving chamber 410 of the fixing bracket 41. As shown in FIGS. 7A and 8A to 8B of the accompanying drawings, the receiving chamber 410 of the fixing bracket 41 of the fixing device 40 of the water purifier 2 according to the embodiment of the present invention is configured to accommodate the fixed valve disc The high end portion 1211 of 121 and the movable valve plate 122 are contained therein, and the fifth passage 105 of the planar valve 10 is arranged to communicate with the receiving chamber 410 of the fixed bracket 41, so that raw water can pass through the fixed bracket 41 The water inlet opening 401 and the containing chamber 410 are provided to the fifth passage 105 of the planar valve 10. In other words, the fifth passage 105 of the planar valve 10 passes through the receiving chamber 410 of the fixing bracket 41, the water inlet opening 401, the valve cavity 110 of the valve body 11, and the raw water inlet 1105 of the valve body 11 Connected. As shown in Figures 7A, 8A to 8B of the accompanying drawings, further, the high end portion 1211 of the fixed valve disc 121 is adapted to be detachably clamped to the fixed portion 1213 of the fixed valve disc 121, and the fixed valve disc 121 The fixed portion 1213 of the valve plate 121 is adapted to be detachably clamped to the low end portion 1212 of the fixed valve plate 121, so that the high end portion 1211 of the fixed valve plate 121 cannot rotate relative to the fixed portion 1213. The fixed portion 1213 of the fixed valve plate 121 cannot rotate relative to the low end portion 1212.

It is worth noting that the high end portion 1211 of the fixed valve disc 121 of the valve core 12 of the flat valve 10 of the water purifier 2 of the present invention is detachably clamped to the fixed portion 1213 of the fixed valve disc 121, The fixed portion 1213 of the fixed valve disc 121 is detachably clamped to the low end portion 1212 of the fixed valve disc 121, and the high end portion 1211 of the fixed valve disc 121 and the movable valve disc 122 are accommodated in the In the receiving chamber 410 of the fixed bracket 41, the high end portion 1211, the fixed portion 1213, and the movable valve sheet 122 of the fixed valve disc 121 can pass through the fixed support 41 and the first clamping device of the fixing device 40. The member 42 and the second clamping member 43 are integrated together. In particular, because the high end 1211 of the fixed valve disc 121 forms the first fluid control surface 1210 of the fixed valve disc 121, and the high end 1211 of the fixed valve disc 121 is detachably clamped on the fixed valve The fixed portion 1213 of the sheet 121, so that the high end portion 1211 can be manufactured separately and the side of the high end portion 1211 facing the moving valve disc 122 can be easily processed, such as being polished smooth, to form the first fluid control surface 1210. However, if the fixed valve disc 121 of the valve core 12 of the flat valve 10 of the water purifier 2 of the present invention is fixedly arranged on the valve body 11, or the fixed valve disc 121 of the valve core 12 of the flat valve 10 It is integrally formed with the valve body 11, and the side of the high end portion 1211 of the fixed valve disc 121 of the valve core 12 of the flat valve 10 facing the movable valve disc 122 is difficult to process and obtain the first fluid control面1210.

As shown in FIGS. 2A, 7A, and 8A to 8B of the drawings, the first clamping member 42 of the fixing device 40 of the water purifier 2 according to the embodiment of the present invention includes a set of The hook 421 of the side wall of the fixing portion 1213 of the valve plate 121, the second clamping member 43 has a set of clamping grooves 430, wherein the hook 421 of the first clamping member 42 is suitable for engaging with the second clamping member 42 The clamping grooves 430 of the connecting member 43 are engaged together, so that the first clamping member 42 and the second clamping member 43 are clamped together. Optionally, the first clamping member 42 has a set of clamping grooves 430 arranged on the side wall of the fixing portion 1213 of the fixed valve plate 121, and the second clamping member 43 has a set of clamping grooves 430 arranged on The hook 421 of the fixing bracket 41, wherein the hook 421 of the second clamping member 43 is adapted to engage with the clamping groove 430 of the first clamping member 42. In other words, the hook 421 of the fixing device 40 is arranged on the fixing bracket 41, and the engaging groove 430 is arranged on the side wall of the fixing portion 1213 of the fixed valve plate 121. Further, the fixing device 40 has a set of guide grooves 400 and a set of guide members 45, wherein the guide grooves 400 are respectively arranged on the side wall of the fixing portion 1213 of the fixed valve plate 121, and the guide member 45 is arranged on The second clamping member 43 extends from the second clamping member 43, wherein the guiding member 45 is arranged to face the clamping groove 430 respectively, and the width of the guiding member 45 is not greater than that of the guiding groove 400 Width, so that the first clamping member 42 and the second clamping member 43 can be clamped together under the guidance of the guiding groove 400 and the guiding member 45.

As shown in FIGS. 2A, 7A, and 8A to 8B of the drawings, the control valve 10 of the water purifier 2 according to the embodiment of the present invention further includes a driving assembly 6, wherein the driving assembly 6 is configured for The movable valve disc 122 driving the planar valve 10 rotates relative to the fixed valve disc 121. As shown in Figures 2A, 7A, and 8A to 8B of the drawings, for example, the driving assembly 6 includes a valve stem 60, and the fixing bracket 41 further has an operating opening 402, wherein the operating opening 402 and the The accommodating chamber 410 of the fixed bracket 41 is in communication, 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 arranged on the fixed bracket In the receiving chamber 410 of the 41, the operating end 62 of the valve stem 60 extends from the driving end 61 and passes through the operating opening 402 of the fixing bracket 41 to pass through the receiving chamber 410 of the fixing bracket 41. Correspondingly, when the operating end 62 of the valve stem 60 is operated to rotate, the driving end 61 is driven to rotate and the movable valve plate 122 is further driven to rotate, so that the planar valve 10 is controlled to be in a corresponding working position. Correspondingly, the high end portion 1211 of the fixed valve disc 121, the fixed portion 1213, the movable valve disc 122, and the valve stem 60 can pass through the fixing bracket 41, the first clamping member 42 and the valve stem of the fixing device 40 The second clamping member 43 is integrated, so that while reducing the difficulty of manufacturing the fixed valve disc 121, the high end portion 1211, the fixed portion 1213, the movable valve disc 122 and the valve stem of the fixed valve disc 121 are reduced. The difficulty when 60 is assembled into the valve cavity 110 of the valve body 11. It can be understood that the high end portion 1211, the fixed portion 1213, and the movable portion of the fixed valve disc 121 are passed through the fixing bracket 41, the first clamping member 42 and the second clamping member 43 of the fixing device 40. The integration of the valve plate 122 and the valve stem 60 also makes the high end portion 1211 of the fixed valve plate 121, the fixed portion 1213, the movable valve plate 122 and the valve stem 60 more convenient for the automation of the flat valve 10 Assemble and produce. Further, the outer diameter of the driving end 61 of the valve stem 60 is smaller than the inner diameter of the receiving chamber 410 of the fixing bracket 41 and larger than the inner diameter of the operating opening 402 of the fixing bracket 41, and the operating end 62 of the valve stem 60 The outer diameter of the fixed bracket 41 is smaller than the inner diameter of the operating opening 402, so that the fixed bracket 41 can press against the driving end 61 of the valve stem 60 under the action of external force, so that the movable valve disc 122 can be Under the action of the driving end 61 of the valve stem 60, it is pressed against the high end 1211 of the fixed valve disc 121 and the second fluid control surface 1220 of the movable valve disc 122 is set on the fixed valve disc 121 The first fluid control surface 1210.

It can be understood that the driving assembly 6 can be any mechanism or component that can be used to drive the movable valve disc 122 of the planar valve 10 to rotate relative to the fixed valve disc 121. Exemplarily, the driving assembly 6 may also be a gear set for driving the movable valve disc 122 of the planar valve 10 to rotate relative to the fixed valve disc 121, wherein the gear set includes a driving gear and a gear set on the movable valve disc 122 The driven teeth of the side wall and the driving gear mesh with the driven teeth of the moving valve disc 122 so that the user or the operator can drive the moving valve disc 122 to rotate relative to the fixed valve disc 121 by rotating the driving gear. Exemplarily, the driving assembly 6 may also include a driving rod disposed on the movable valve plate 122 of the planar valve 10 and parallel to the second fluid control surface 1220 of the movable valve plate 122. The user can drive the movable valve disc 122 to rotate relative to the fixed valve disc 121 through the driving rod of the driving assembly 6. As shown in FIG. 2A of the drawings, the fixing device 40 of the water purifier 2 according to the embodiment of the present invention further includes a fixing member 44, wherein the fixing member 44 is arranged to press against the fixing bracket 41, and the fixing The member 44 is configured to be fixed to the valve body 11 of the flat valve 10. Correspondingly, the fixing bracket 41 is held in the valve cavity 110 of the valve body 11 by the fixing member 44.

As shown in FIGS. 2A, 7A, 8B and 8H of the drawings, the control valve 10 of the water purifier 2 according to the embodiment of the present invention further includes a positioning component 50, wherein the positioning component 50 has a limit The element 51 and a reset element 52 arranged on the limiting element 51, a set of arc-shaped limiting grooves 501 arranged on the inner wall of the fixing bracket 41 and a set of the driving end 61 of the valve stem 60 Operating room 502, wherein the limiting element 51 and the resetting element 52 are both arranged in the operating room 502, and the resetting element 52 is arranged between the limiting element 51 and the driving end 61, so that the When the driving end 61 of the valve stem 60 is rotated and the limiting element 51 is facing the limiting groove 501, the limiting element 51 will move under the action of the resetting force (or elastic force) of the resetting element 52 Enter the limiting groove 501; at this time, when the driving end 61 of the valve stem 60 continues to rotate, so that the fixing bracket 41 presses the limiting element 51, so that the limiting element 51 is retracted into the operating chamber 502 At this time, the driving end 61 of the valve stem 60 can be easily rotated and the limiting element 51 is kept retracted in the operating chamber 502 under the pressure of the fixing bracket 41. It can be understood that the driving end 61 of the valve stem 60 is rotated so that the limiting element 51 is facing the limiting groove 501, so that when the limiting element 51 moves into the limiting groove 501, the planar valve 10 is Keep in a corresponding working position, and make the water purifier 2 of the present invention in a corresponding working state. It can be understood that the return element 52 is a return spring. Optionally, the reset element 52 is a reset spring. Preferably, the limiting element 51 is configured to be able to engage with the limiting groove 501, so that the limiting element 51 can be stably held in the limiting groove when the valve stem 60 is driven to rotate without proper external force. Within 501.

As shown in FIGS. 2A and 8C to 8G of the drawings, the flat valve 10 of the water purifier 2 according to the embodiment of the present invention further includes a sealing assembly 13, wherein the sealing assembly 13 has a first sealing element 131 , Wherein the first sealing member 131 is disposed between the high end portion 1211 and the fixing portion 1213 of the fixed valve disc 121. Further, the first sealing member 131 has a plurality of first sealing strips 1311, and the fixing portion 1213 of the fixed valve plate 121 has a set of first sealing grooves 12130, wherein the first sealing grooves 12130 are arranged to surround the fixed The first channel 101, the second channel 102, the third channel 103 and the fourth channel 104 of the valve plate 121, the first sealing strip 1311 of the first sealing member 131 and the first sealing strip 1311 of the fixing portion 1213 The sealing groove 12130 is provided so that the first sealing strip 1311 of the first sealing member 131 can be engaged with the first sealing groove 12130 of the fixing portion 1213 and the high end portion 1211 of the fixed valve plate 121 and the fixing Seal between parts 1213. It can be understood that the first sealing groove 12130 is formed on the side of the fixing portion 1213 facing the high end portion 1211. Furthermore, the sealing assembly 13 has a second sealing element 132, wherein the second sealing element 132 is disposed between the fixed portion 1213 and the low end portion 1212 of the fixed valve disc 121. Further, the second sealing member 132 has a plurality of second sealing strips 1321, and the fixed portion 1213 of the fixed valve disc 121 has a set of second sealing grooves 12131, wherein the second sealing grooves 12131 are respectively arranged around the fixed The first channel 101, the second channel 102, the third channel 103, and the fourth channel 104 of the valve plate 121, the second sealing strip 1321 of the second sealing member 132 and the second sealing strip 1321 of the fixing part 1213 The sealing groove 12131 is provided so that the second sealing strip 1321 of the second sealing member 132 can engage with the second sealing groove 12131 of the fixing portion 1213 and realize the low end portion 1212 of the fixed valve disc 121 and the Seal between the fixed parts 1213. It can be understood that the second sealing groove 12131 is formed on the side of the fixing portion 1213 facing the low end portion 1212.

As shown in FIGS. 2A and 7A of the drawings, the sealing assembly 13 of the water purifier 2 according to the embodiment of the present invention further includes at least one first sealing ring 133, wherein the first sealing ring 133 is arranged on the fixed The outer surface of the bracket 41 is used to realize the seal between the fixed bracket 41 and the inner wall of the valve body 11 and prevent raw water from flowing out between the fixed bracket 41 and the inner wall of the valve body 11. Further, the sealing assembly 13 includes at least one second sealing ring 134, wherein the second sealing ring 134 is disposed between the valve stem 60 and the fixing bracket 41 to realize the connection between the valve stem 60 and the fixing bracket 41 The sealing between the inner walls prevents the raw water from flowing out between the valve stem 60 and the inner wall of the fixing bracket 41.

As shown in FIGS. 2A and 7A of the drawings, the control valve 10 of the water purifier 2 according to the embodiment of the present invention further includes a knob 80, wherein the knob 80 is disposed at the operating end 62 of the valve stem 60 , So that the user can rotate the valve stem 60 to rotate the movable valve disc 122 and control the planar valve 10 to be in a corresponding working position.

As shown in FIGS. 11A to 12D of the drawings, the first fluid control surface 1210 of the fixed valve plate 121 of the flat valve 10 of the water purifier 2 according to the embodiment of the present invention has a dotted line in the figure. The central portion 12101, an extension portion 12102 extending outward from the central portion 12101, and an edge portion 12103 extending outward from the extension portion 12102, wherein the central portion 12101, the extension portion 12102 and the edge portion 12103 are provided in The top end portion 1214 of the fixed valve plate 121, the extension portion 12102 and the edge portion 12103 (or the portion other than the central portion 12101) of the first fluid control surface 1210 are equally divided into one shown by a dashed line The first part 1201, a second part 1202, a third part 1203, and a fourth part 1204; the second fluid control surface 1220 of the movable valve disc 122 of the planar valve 10 has a dashed line shown in the figure The central area 12201, an extension area 12202 extending outward from the central area 12201, and an edge area 12203 extending outward from the extension area 12202, wherein the central area 12201, the extension area 12202, and the edge area 12203 are provided in the The bottom end portion 1221 of the movable valve disc 122, and the extension area 12202 of the second fluid control surface 1220 and the edge area 12203 (the part outside the central area 12201) are equally divided into a first as shown by a dashed line A region 2001, a second region 2002, a third region 2003, and a fourth region 2004; wherein the first channel 101 extends downward from the first portion 1201 of the first fluid control surface 1210 of the fixed valve disc 121 , The second channel 102 extends downward from the third portion 1203 of the first fluid control surface 1210 of the fixed valve disc 121, and the third channel 103 extends from the first fluid control surface 1210 of the fixed valve disc 121 The third portion 1203 extends downward, the fourth passage 104 extends downward from the first portion 1201 of the first fluid control surface 1210 of the fixed valve plate 121, and the fifth passage 105 extends from the movable valve plate 122. The first area 2001 of the second fluid control surface 1220 extends upward, and the sixth channel 106 extends upward from the third area 2003 of the second fluid control surface 1220 of the movable valve plate 122. As shown in FIGS. 11A to 11D of the drawings, preferably, the extension portion 12102 and the edge portion 12103 of the first fluid control surface 1210 are divided clockwise into the first portion 1201, the second portion 1202, and the The third portion 1203 and the fourth portion 1204, the extension area 12202 and the edge area 12203 of the second fluid control surface 1220 of the movable valve disc 122 of the planar valve 10 are equally divided clockwise into the first area 2001 , The second area 2002, the third area 2003 and the fourth area 2004. In other words, the first fluid control surface 1210 of the fixed valve plate 121 of the planar valve 10 forms four equal parts, and the second fluid control surface 1220 of the movable valve plate 122 of the planar valve 10 forms four equal parts. , Wherein when the movable valve disc 122 of the planar valve 10 is rotated to the first aliquot (the first area 2001) of the second fluid control surface 1220 of the movable valve disc 122 is facing the fixed valve disc 121 When the first equal division of the first fluid control surface 1210 (the first part 1201), the third equal division of the second fluid control surface 1220 (the third area 2003) of the movable valve disc 122 of the planar valve 10 ) Is facing the third aliquot (the third portion 1203) of the first fluid control surface 1210 of the fixed valve plate 121, so that the fifth passage 105 of the planar valve 10 communicates with the first passage 101, The sixth channel 106 is respectively communicated with the second channel 102 and the third channel 103 to allow raw water to flow into the filter from the raw water inlet 1105, the fifth channel 105, the first channel 101, and the first opening 1101. The first communication opening 201 of the device 20 then flows into the raw water channel 2101 of the filter device 20. After being filtered by the filter element 22 of the filter device 20, the raw water flows out through the purified water outlet 2201 of the filter element 22 and passes through the second Two communicating openings 202, the second opening 1102, the second channel 102, the sixth channel 106, the third channel 103, and the third opening 1103 flow out and are provided. Accordingly, the water purifier 2 is now in The filtering work bit. Further, when the movable valve disc 122 of the planar valve 10 is rotated to the first equal division (the first area 2001) of the second fluid control surface 1220 of the movable valve disc 122 is facing the fixed valve disc 121 When the fourth equal division (the fourth part 1204) of the first fluid control surface 1210 of the flat valve 10, the third equal division (the third portion 1204) of the second fluid control surface 1220 of the movable valve plate 122 of the planar valve 10 Area 2003) is facing the second equal division (the second portion 1202) of the first fluid control surface 1210 of the fixed valve plate 121, so that the fifth passage 105 and the sixth passage 106 of the planar valve 10 are respectively Blocked by the first fluid control surface 1210 of the fixed valve plate 121, the flat valve 10 controls the raw water to no longer enter the filter device 20 and be purified by it, and at the same time, it does not supply water to the user. Accordingly, the purified water The device 2 is in the standby working position. Further, when the movable valve disc 122 of the planar valve 10 is rotated to the first equal division (the first area 2001) of the second fluid control surface 1220 of the movable valve disc 122 is facing the fixed valve disc 121 When the third equal division (the third part 1203) of the first fluid control surface 1210 of the flat valve 10, the third equal division (the third part 1203) of the second fluid control surface 1220 of the movable valve plate 122 of the planar valve 10 Area 2003) is facing the first equal division (the first portion 1201) of the first fluid control surface 1210 of the fixed valve plate 121, so that the fifth passage 105 of the planar valve 10 is in communication with the second passage 102 , The sixth channel 106 is respectively communicated with the first channel 101 and the fourth channel 104 to allow raw water to flow into the raw water inlet 1105, the fifth channel 105, the second channel 102, and the second opening 1102. The second communication opening 202 of the filter device 20 and the purified water outlet 2201 of the filter element 22, the raw water is reverse flushed (refers to the reverse flushing, the flow direction of water in the filter element 22 and the flow direction of the water in the filter element 22 are opposite) After the filter element 22 of the filter device 20 flows out through the raw water channel 2101, and then through the first communication opening 201, the first opening 1101, the first channel 101, the sixth channel 106, the fourth channel 104 and The sewage opening 1104 is discharged, and correspondingly, the water purifier 2 is in the backwash working position at this time.

As shown in FIGS. 11A to 11D of the drawings, preferably, the second channel 102 and the third channel 103 of the flat valve 10 of the water purifier 2 according to the embodiment of the present invention are along the first fluid control surface 1210 extends, and the second passage 102 and the third passage 103 extend in the same direction, and the fifth passage 105 corresponds to the sixth passage 106, so that when the movable valve plate 122 of the planar valve 10 is rotated When the fifth channel 105 coincides with the first channel 101, the sixth channel 106 coincides with the second channel 102 and the third channel 103 at the same time. At this time, the user can control the flow rate of the raw water flowing to the filter device 20 by adjusting the degree of overlap between the fifth channel 105 and the first channel 101. It can be understood that when the user adjusts the degree of overlap between the fifth channel 105 and the first channel 101, the degree of overlap between the sixth channel 106 and the second channel 102 (and the third channel 103) is also adjusted accordingly. Therefore, the user can adjust the water inlet and outlet of the water purifier 2 of the embodiment of the present invention to realize the stepless flow control of the water purifier 2 of the embodiment of the present invention. In other words, when the control valve 10 is switched to its filtering position, the passage of the moving valve plate 122 (the fifth passage 105 and the fifth passage 105 and the fifth passage 105) can be adjusted by rotating the moving valve plate 122 around the center of the moving valve plate 122. The degree of overlap between the sixth channel 106) and the channels of the fixed valve disc 121 (the first channel 101, the second channel 102, and the third channel 103) realizes the control of the water inlet and outlet of the water purifier 2 Stepless flow control. Preferably, the third channel 103 is located inside the second channel 102, and the third channel 103 corresponds to the second channel 102. Preferably, the first channel 101, the second channel 102, and the third channel 103 are all arc-shaped, and the fifth channel 105 and the sixth channel 106 are all arc-shaped. More preferably, the first channel 101 , The second channel 102 and the third channel 103 both extend arcuately around the center of the first fluid control surface 1210 of the fixed valve plate 121 of the planar valve 10, and the fifth channel 105 and the sixth channel 106 are both The center of the second fluid control surface 1220 surrounding the movable valve disc 122 extends in an arc shape. Most preferably, the first passage 101, the second passage 102, and the third passage 103 all extend in an arc shape around the central portion 12101 of the first fluid control surface 1210 of the fixed valve disc 121 of the planar valve 10, and The fifth channel 105 and the sixth channel 106 both extend arcuately around the central area 12201 of the second fluid control surface 1220 of the moving valve disc 122, and the second channel 102 and the third channel 102 correspond to the same center of circle Angle, so as to easily realize the stepless control of the water flow of the flat valve 10. Optionally, the first fluid control surface 1210 is circular, and the second channel 102 and the third channel 103 extend along the tangential direction of the first fluid control surface 1210. Preferably, the fifth channel 105 and the sixth channel 106 are arranged at two relative positions of the movable valve plate 122, and the first channel 101 and the second channel 102 are symmetrical. More preferably, the central angle corresponding to the fifth channel 105 and the central angle corresponding to the first channel 101 have the same size, the central angle corresponding to the sixth channel 106 and the central angle corresponding to the second channel 102 have the same size, In order to easily realize the stepless control of the water flow of the plane valve 10. Most preferably, the central angles of the first channel 101, the second channel 102, the third channel 103, the fifth channel 105, and the sixth channel 106 are equal in size.

It can be understood that the first channel 101, the second channel 102, the third channel 103 and the fourth channel 104 of the flat valve 10 of the water purifier 2 according to the embodiment of the present invention are in the fixed position of the flat valve 10 The first fluid control surface 1210 of the valve disc 121 is distributed so that when the movable valve disc 122 of the flat valve 10 of the water purifier 2 rotates relative to the fixed valve disc 121, so that the flat valve 10 is moved from the standby working position When switching to the filtering working position (or switching from the filtering working position to the standby working position), or switching from the standby working position to the backwash working position (or switching from the backwash working position to the standby working position) At this time, even if the working position is not completely switched (or during the switching process), the movable valve disc 122 of the flat valve 10 can also rotate relative to the fixed valve disc 121 to achieve stable conduction of the flow channel. The main reason is that when the planar valve 10 is switched from the standby working position to the filtering working position or from the filtering working position to the standby working position, during the switching process, the fifth channel 105 of the planar valve 10 is always only It is in stable communication with the first passage 101, and the sixth passage 106 of the planar valve 10 is always in stable communication with the second passage 102 and the third passage 103, respectively; when the planar valve 10 is switched from the standby working position to the When the backwash working position or the switch from the backwash working position to the standby working position, during the switching process, the fifth channel 105 of the flat valve 10 always only stably communicates with the second channel 102, and the flat valve 10 The sixth channel 106 is always in stable communication with the first channel 101 and the fourth channel 104, so as to ensure that the planar valve 10 is switched from the standby working position to the filtering working position or from the filtering working position to the filtering working position. Standby working position, and when switching from the standby working position to the backwash working position or switching from the backwash working position to the standby working position, no serial flow will occur, so as to ensure that the control of the flow through the Stepless control of the flow rate of the water flow of the valve 10.

As shown in FIGS. 11A to 12D of the drawings, it is worth noting that when the user needs to switch the water purifier 2 according to the embodiment of the present invention from the filtering working state to the standby working state, the flat valve 10 can be rotated counterclockwise The moving valve plate 122 has an equal angle, so that the first area 2001 of the second fluid control surface 1220 of the moving valve plate 122 is facing the fourth area 2001 of the first fluid control surface 1210 of the fixed valve plate 121 Part 1204; when the user needs to switch the water purifier 2 according to the embodiment of the present invention from the standby working state to the backwash working state, the movable valve plate 122 of the flat valve 10 can be turned counterclockwise again by an equal angle, In this way, the first area 2001 of the second fluid control surface 1220 of the movable valve disc 122 faces the third portion 1203 of the first fluid control surface 1210 of the fixed valve disc 121. In other words, the structure of the flat valve 10 of the water purifier 2 of the present invention enables the three working states of the water purifier 2 to be continuously distributed, namely the filtering working state, the standby working state and the backwash working state, so that the water purifier The complete switching between the adjacent working states of the filtering working state, the standby working state and the backwash working state of 2 only needs to rotate the movable valve plate 122 of the planar valve 10 by an equal angle. The switching mode between the three working states of the water purifier 2 determined by the structure of the flat valve 10 of the water purifier 2 of the present invention will make the switching between the three working states of the water purifier 2 of the present invention more suitable for use The user’s usage habit and it is not easy for the user to switch between working states due to different rotation angles, which leads to wrong switching of working states. In addition, as described above, when the water purifier 2 according to the embodiment of the present invention is switched from the standby working state to the filtering working state, the passage of the movable valve plate 122 (the fifth passage 105 and the sixth passage 106) The degree of overlap with the channels of the fixed valve disc 121 (the first channel 101, the second channel 102 and the third channel 103) realizes the stepless flow rate of the inlet and outlet water of the water purifier 2 control. However, when the water purifier 2 is switched from the standby working state to the filtering working state, the fifth channel 105 of the movable valve plate 122 can be directly aligned with the fixed valve plate 121 by rotating an equal angle. The first channel 101 and the sixth channel 106 are facing the second channel 102 and the third channel 103 to switch their states. At this time, the flow rate of the inlet and outlet water of the water purifier 2 is the largest. It is understandable that the water purifier 2 can also be quickly switched from the filtering working state to the standby working state by rotating an equal angle.

It can be understood that since the extension portion 12102 and the edge portion 12103 of the first fluid control surface 1210 of the flat valve 10 of the water purifier 2 according to the embodiment of the present invention are divided into four equal parts, the movable valve of the flat valve 10 The extension area 12202 and the edge area 12203 of the second fluid control surface 1220 of the sheet 122 are divided into four equal parts. Accordingly, the water purifier 2 of the present invention realizes a complete switching of a working state, the movement of the planar valve 10 The valve plate 122 rotates 90 degrees. In other words, a bisecting angle of the movable valve disc 122 and the fixed valve disc 121 of the planar valve 10 is 90 degrees. Optionally, the extension portion 12102 and the edge portion 12103 of the first fluid control surface 1210 are equally divided into the first portion 1201, the second portion 1202, the third portion 1203 and the fourth portion 1204 counterclockwise, The extension area 12202 and the edge area 12203 of the second fluid control surface 1220 of the movable valve disc 122 of the planar valve 10 are equally divided into the first area 2001, the second area 2002, and the third area counterclockwise. 2003 and the fourth zone 2004. At this time, the structure of the flat valve 10 of the water purifier 2 of the present invention enables the three working states of the backwash working state, standby working state and filtering working state of the water purifier 2 to be continuously distributed, so that the water purifier 2 of the present invention The complete switching between the adjacent working states of the backwash working state, the standby working state and the filtering working state only needs to rotate the movable valve plate 122 of the planar valve 10 by an equal angle.

As shown in FIGS. 2A and 12A to 12D of the drawings, the flat valve 10 of the water purifier 2 according to the embodiment of the present invention further includes a stop mechanism 14, wherein the stop mechanism 14 is configured to prevent The ineffective rotation of the movable valve disc 122 of the planar valve 10 relative to the fixed valve disc 121. In other words, when the movable valve disc 122 of the planar valve 10 is rotated to the first area 2001 of the second fluid control surface 1220 of the movable valve disc 122 to face the first fluid control surface of the fixed valve disc 121 In the first part 1201 of 1210, when the water purifier 2 of the present invention is switched to the filtering working state, rotating the movable valve plate 122 of the flat valve 10 clockwise by an equal angle will result in the fifth of the flat valve 10 The passage 105 is blocked by the first fluid control surface 1210 of the fixed valve plate 121, the plane valve 10 controls the raw water to no longer enter the filter device 20 and is purified by it, and at the same time does not supply water to the user; when the plane valve 10 The movable valve disc 122 is rotated until the first area 2001 of the second fluid control surface 1220 of the movable valve disc 122 is facing the third portion 1203 of the first fluid control surface 1210 of the fixed valve disc 121. The present invention When the water purifier 2 is switched to the backwash working state, rotating the movable valve plate 122 of the flat valve 10 counterclockwise by an equal angle will cause the fifth channel 105 of the flat valve 10 to be blocked by the fixed valve plate 121 The first fluid control surface 1210 is blocked, and the plane valve 10 controls the raw water to no longer enter and be purified by the filter device 20, and at the same time, it does not supply water to the user. Because the flat valve 10 of the water purifier 2 in the embodiment of the present invention already has a standby working state, the rotation of the movable valve disc 122 of the flat valve 10 with respect to the fixed valve disc 121 of the above two types of flat valves 10 is also equivalent to standby operation Status, too much of the same status will increase the difficulty of use, so it is also invalid rotation.

As shown in FIGS. 2A and 12A to 12D of the drawings, the stopping mechanism 14 of the water purifier 2 according to the embodiment of the present invention includes a first limiting member 141 and a second limiting member 142, wherein The first limiting member 141 and the second limiting member 142 are respectively arranged on the valve body 11, wherein the first limiting member 141 is arranged so that the movable valve disc 122 of the planar valve 10 can be rotated to the When the first area 2001 of the second fluid control surface 1220 of the movable valve disc 122 is facing the first portion 1201 of the first fluid control surface 1210 of the fixed valve disc 121, the knob 80 is blocked from further rotating clockwise; The two limiting members 142 are arranged so that the movable valve disc 122 of the planar valve 10 can be rotated to the first area 2001 of the second fluid control surface 1220 of the movable valve disc 122 to face the first area 2001 of the fixed valve disc 121 When the third portion 1203 of a fluid control surface 1210 prevents the knob 80 from further rotating counterclockwise, the movable valve disc 122 of the flat valve 10 is prevented from rotating invalid relative to the fixed valve disc 121. The stop mechanism 14 of the water purifier 2 according to the embodiment of the present invention further includes a stopper 143, wherein the stopper 143 is provided on the knob 80 and protrudes outward from the knob 80, so as to be able to The movable valve disc 122 of the planar valve 10 is rotated to the first area 2001 of the second fluid control surface 1220 of the movable valve disc 122 to face the first portion of the first fluid control surface 1210 of the fixed valve disc 121 At 1201, it is blocked by the first stopper 141, and can be rotated to the first area 2001 of the second fluid control surface 1220 of the movable valve plate 122 when the movable valve disc 122 of the flat valve 10 is directly opposite When the third portion 1203 of the first fluid control surface 1210 of the fixed valve plate 121 is blocked by the second limiting member 142.

As shown in FIG. 2A of the drawings, the flat valve 10 of the water purifier 2 according to the embodiment of the present invention further includes a reminder mechanism 15, wherein the reminder mechanism 15 is provided for switching the water purifier of the present invention by the user 2 When it is in the backwash working state, the knob 80 is given a block, so that the user can obviously increase the rotational force of turning the knob 80, and then the knob 80 can be turned to continue rotating and switch the water purifier 2 of the present invention to the backwash working state . In this way, the user can be prompted that the water purifier 2 of the present invention is switched to the backwash working state.

As shown in FIG. 2A of the drawings, the prompt mechanism 15 of the flat valve 10 of the water purifier 2 according to the embodiment of the present invention includes a passive element 151 and an elastic element 152, wherein the passive element 151 includes a passive end 1511 and a fixed end 1512 extending from the passive end 1511, wherein the elastic element 152 is arranged on the fixed end 1512, and the passive end 1511 is arranged toward the knob 80, wherein when the user rotates the movement of the flat valve 10 Valve plate 122, so that when the first area 2001 of the second fluid control surface 1220 of the movable valve plate 122 is facing the third portion 1203 of the first fluid control surface 1210 of the fixed valve plate 121, the prompt mechanism The passive end 1511 of the passive element 151 of 15 will be blocked by the stopper 143. When the user increases the force of rotating the knob 80, the stopper 143 drives the passive end 1511 of the passive element 151, thereby The elastic element 152 is deformed, and the knob 80 is continued to rotate, and the movable valve disc 122 is allowed to continue to rotate, and the first area 2001 of the second fluid control surface 1220 of the movable valve disc 122 is aligned with the fixed position. The third portion 1203 of the first fluid control surface 1210 of the valve plate 121. Preferably, the elastic element 152 is a spring.

As shown in FIG. 2A of the drawings, further, the valve body 11 includes a valve body 111 and a valve housing 112, wherein the valve housing 112 is disposed on the outer surface of the valve body 111. It can be understood that the first limiting member 141, the second limiting member 142 and the prompt mechanism 15 are respectively disposed on the valve housing 112 of the valve body 11. Further, the valve housing 112 of the valve body 11 includes an upper housing 1121 and a lower housing 1122, wherein the upper housing 1121 and the lower housing 1122 of the valve housing 112 form a space between the two The valve body cavity 1120, wherein the valve body cavity 1120 is arranged to be capable of accommodating the valve body 111 of the valve body 11 therein.

As shown in FIGS. 2A, 9A to 9F, and 11A to 11D of the drawings, according to an embodiment of the present invention, the present invention further provides a valve disc assembly for the flat valve 10 of the water purifier 2, which It includes a fixed valve disc 121 and a movable valve disc 122, wherein the fixed valve disc 121 has a first fluid control surface 1210, the movable valve disc 122 has a second fluid control surface 1220, wherein the movable valve disc 122 and the The fixed valve disc 121 is arranged in the valve cavity 110, wherein the second fluid control surface 1220 of the movable valve disc 122 is arranged on the first fluid control surface 1210 of the fixed valve disc 121, and the movable valve disc 122 It is set to be able to rotate relative to the fixed valve plate 121, wherein the planar valve 10 has a first channel 101, a second channel 102, a third channel 103, a fourth channel 104, a fifth channel 105 and a sixth channel. Channel 106, wherein the first channel 101, the second channel 102, the third channel 103, and the fourth channel 104 are respectively provided on the fixed valve plate 121 and are respectively from the first fluid control surface of the fixed valve plate 121 1210 extends; the fifth channel 105 and the sixth channel 106 are respectively provided on the movable valve plate 122 and respectively extend from the second fluid control surface 1220 of the movable valve plate 122, wherein the first channel 101 and the first The opening 1101 is connected, the second channel 102 is connected to the second opening 1102, the third channel 103 is connected to the third opening 1103, the fourth channel 104 is connected to the sewage opening 1104, and the fifth channel 105 is connected to the raw water inlet 1105. Preferably, the raw water inlet 1105 and the fifth channel 105 are respectively communicated with the valve cavity 110, so that the fifth channel 105 is communicated with the raw water inlet 1105. More preferably, the sixth channel 106 of the movable valve plate 122 is a blind conducting hole.

Figures 13 to 21D of the accompanying drawings show an alternative implementation of the control valve 10 of the water purifier 2 according to an embodiment of the present invention, wherein the control valve 10A includes a valve body 11 and a valve core 12A, wherein the valve body 11 forms a valve cavity 110, a first opening 1101, a second opening 1102, a third opening 1103, a raw water inlet 1105 and a sewage opening 1104, wherein the valve core 12A is arranged in the In the valve cavity 110, the first opening 1101 of the valve body 11 is adapted to communicate with the first communication opening 201 of the filter device 20, and the second opening 1102 of the valve body 11 is adapted to communicate with the filter device 20. The second communication opening 202 is in communication, the third opening 1103 of the valve body 11 is adapted to communicate with the first water outlet 100, and the raw water inlet 1105 of the valve body 11 is adapted to connect to a raw water source (for example, a tap water pipe or The tap water outlet) is connected.

As shown in Figure 13, Figure 14A to Figure 14D and Figure 19A, the control valve 10A of the water purifier 2 according to the embodiment of the present invention has a filtering working position, wherein when the control valve 10A is in the filtering working position When in position, the spool 12A of the control valve 10A forms a first communication passage 1001A and a second communication passage 1002A, wherein the first communication passage 1001A is connected to the first opening 1101 and the raw water inlet of the valve body 11 respectively. 1105 is communicated, and the second communication channel 1002A is respectively communicated with the second opening 1102 and the third opening 1103 of the valve body 11. Correspondingly, when the control valve 10A is in the filtering working position, raw water or tap water flows in from the raw water inlet 1105 of the valve body 11 of the control valve 10A under the action of water pressure, and flows to the raw water through the first communication channel 1001A The first opening 1101 of the valve body 11 flows into the raw water channel 2101 of the filter device 20 through the first communication opening 201 of the filter device 20, and the raw water flowing into the raw water channel 2101 is filtered by the filter element 22 to produce purification Water flows out from the purified water outlet 2201 of the filter element 22 and flows to the second opening 1102 of the valve body 11 through the second communication opening 202. Further, the purified water generated by the filter element 22 flows through the second opening 1102, the second communication channel 1002A, and the third opening 1103 in sequence under the action of water pressure, so that the generated purified water can pass through the second opening 1103. The first water outlet 100 communicating with the three openings 1103 is provided. It can be understood that when the control valve 10A of the water purifier 2 according to the embodiment of the present invention is controlled to be in the filtering working position, the water purifier 2 of the present invention is controlled to be in its filtering working state.

As shown in Figure 13, Figure 14A to Figure 14D and Figure 19B, the control valve 10A of the water purifier 2 according to the embodiment of the present invention further has a backwash working position, wherein when the control valve 10A is in the In the backwash working position, the spool 12A of the control valve 10A forms a third communication channel 1003A and a fourth communication channel 1004A, wherein the third communication channel 1003A is respectively connected to the second opening 1102 and the second opening 1102 of the valve body 11 The raw water inlet 1105 is in communication, and the fourth communication channel 1004A is in communication with the first opening 1101 and the sewage opening 1104 of the valve body 11 respectively. Correspondingly, when the control valve 10A is in the backwash working position, raw water or tap water flows in from the raw water inlet 1105 of the valve body 11 of the control valve 10A under the action of water pressure, and flows through the third communication channel 1003A. The second opening 1102 of the valve body 11 and the second communication opening 202 that further flows into the filter device 20. Under the action of water pressure, raw water flows into the filter element 22 from the purified water outlet 2201 of the filter element 22, and vice versa. After washing the filter element 22, the generated sewage flows into the raw water channel 2101. At this time, since the first opening 1101 of the valve body 11 and the sewage opening 1104 are connected through the fourth communication channel 1004A, the sewage generated by the raw water reverse washing the filter element 22 flows into the raw water channel 2101 and then flows sequentially Through the first communication opening 201, the first opening 1101, the fourth communication channel 1004A and the sewage opening 1104, the sewage generated by the raw water backwashing the filter element 22 can be discharged through the sewage opening 1104. It can be understood that when the control valve 10A of the water purifier 2 according to the embodiment of the present invention is controlled to be in the backwash working position, the water purifier 2 of the present invention is controlled to be in its backwash working state.

As shown in Figure 13, Figure 14A to Figure 14D and Figure 19C, the valve body 11 of the control valve 10A of the water purifier 2 according to the embodiment of the present invention further has a standby working position, wherein when the control When the valve 10A is in the standby working position, the raw water is controlled to no longer enter the filter device 20 and be purified by it, and does not supply water to the user, that is, when the water purifier 2 is in the standby working position, the control The valve 10A is blocked. That is, when the control valve 10A is in the standby working position, the flow of raw water into the control valve 10A through the raw water inlet 1105 is cut off by the control valve 10A. It can be understood that when the control valve 10A of the water purifier 2 according to the embodiment of the present invention is controlled to be in the standby working position, the water purifier 2 of the present invention is controlled to be in its standby working state.

As shown in FIGS. 13 to 21D of the drawings, the control valve 10A of the water purifier 2 according to the embodiment of the present invention is a flat valve, wherein the spool 12A of the flat valve 10A further includes a fixed valve plate 121A And a movable valve disc 122A, wherein the fixed valve disc 121A has a first fluid control surface 1210A, the movable valve disc 122A has a second fluid control surface 1220A, wherein the movable valve disc 122A and the fixed valve disc 121A are both Is provided in the valve cavity 110 of the valve body 11 of the planar valve 10A, wherein the second fluid control surface 1220A of the movable valve disc 122A is provided on the first fluid control surface 1210A of the fixed valve disc 121A, and the movable The valve plate 122A is configured to be able to rotate relative to the fixed valve plate 121A.

As shown in FIGS. 18A to 18F and 20A to 20D of the drawings, the flat valve 10A of the water purifier 2 according to the embodiment of the present invention has a first channel 101A, a second channel 102A, and a third channel. Channel 103A, a fourth channel 104A, a fifth channel 105A, a sixth channel 106A, and a raw water inlet channel 107A, wherein the first channel 101A, the second channel 102A, the third channel 103A, the fourth channel The channel 104A and the raw water inlet channel 107A are respectively provided on the fixed valve plate 121A and extend from the first fluid control surface 1210A of the fixed valve plate 121A; the fifth channel 105A and the sixth channel 106A are respectively provided The movable valve plate 122A respectively extends from the second fluid control surface 1220A of the movable valve plate 122A, wherein the first passage 101A communicates with the first opening 1101, and the second passage 102A communicates with the second opening 1102 The third channel 103A communicates with the third opening 1103, the fourth channel 104A communicates with the sewage opening 1104, and the raw water inlet channel 107A communicates with the fifth channel 105A and the raw water inlet 1105, respectively. Preferably, the fifth channel 105A and the sixth channel 106A of the movable valve disc 122A are blind holes.

As shown in FIGS. 20A to 20D of the drawings, the first fluid control surface 1210A of the fixed valve disc 121A of the flat valve 10A of the water purifier 2 according to the embodiment of the present invention forms a central portion 12101A and a self The central portion 12101A extends outwardly, an extension portion 12102A and an edge portion 12103A that extends outwardly from the extension portion 12102A, wherein the first passage 101A and the second passage 102A of the planar valve 10A are respectively separated from the fixed valve disc 121A The extension portion 12102A of the first fluid control surface 1210A extends, the third channel 103A and the fourth channel 104A respectively extend from the edge portion 12103A of the first fluid control surface 1210A of the fixed valve disc 121A, and the raw water enters The water channel 107A extends from the central portion 12101A of the first fluid control surface 1210A of the fixed valve plate 121A, and the second fluid control surface 1220A of the movable valve plate 122A of the planar valve 10A forms a central area 12201A and a self An extension area 12202A extending outward from the central area 12201A and an edge area 12203A extending outward from the extension area 12202A. The fifth passage 105A of the planar valve 10A extends from the second fluid control surface 1220A of the movable valve plate 122A. The extension area 12202A and the central area 12201A extend, and the sixth channel 106A extends from the extension area 12202A and the edge area 12203A of the second fluid control surface 1220A of the movable valve disc 122A. Preferably, the first channel 101A is arranged inside the fourth channel 104A, and the second channel 102A is arranged inside the third channel 103A. Preferably, the first channel 101A, the second channel 102A, the third channel 103A, the fourth channel 104A, and the raw water inlet channel 107A of the planar valve 10A are separately arranged on the fixed valve plate 121A The first fluid control surface 1210A of the flat valve 10A; the fifth channel 105A and the sixth channel 106A of the planar valve 10A are spaced apart on the second fluid control surface 1220A of the movable valve plate 122A. Preferably, the fifth channel 105A and the sixth channel 106A of the movable valve disc 122A are blind holes.

As shown in FIGS. 19A, 21A, and 21B of the drawings, the movable valve disc 122A of the flat valve 10A of the water purifier 2 according to the embodiment of the present invention can rotate relative to the fixed valve disc 121A so that the flat valve 10A has a filtering working position, and when the flat valve 10A is in the filtering working position, the fifth channel 105A of the flat valve 10A is respectively communicated with the raw water inlet channel 107A and the first channel 101A, thereby forming separate The first communication channel 1001A communicates with the raw water inlet 1105 and the first opening 1101, and the sixth channel 106A of the planar valve 10A communicates with the second channel 102A and the third channel 103A respectively, thereby forming separate The second communication channel 1002A communicates with the second opening 1102 and the third opening 1103. As shown in FIG. 21A of the drawings, when the flat valve 10A of the water purifier 2 according to the embodiment of the present invention is in the filtering working position, the fourth passage 104A of the flat valve 10A is blocked by the movable valve plate 122A (Or closed).

As shown in FIGS. 19B and 21C of the accompanying drawings, when the flat valve 10A of the water purifier 2 according to the embodiment of the present invention further has a backwash working position, when the flat valve 10A is in the backwash working position, The fifth channel 105A of the planar valve 10A is respectively communicated with the raw water inlet channel 107A and the second channel 102A, thereby forming the third communication channel 1003A communicating with the raw water inlet 1105A and the second opening 1102 respectively The sixth channel 106A is respectively connected to the first channel 101A and the fourth channel 104A, thereby forming the fourth communication channel 1004A that is respectively connected to the first opening 1101 and the sewage opening 1104. As shown in FIG. 21C of the drawings, when the flat valve 10A of the water purifier 2 according to the embodiment of the present invention is in the backwash working position, the third channel 103A of the flat valve 10A is blocked by the movable valve plate 122A Blocked (or closed).

As shown in FIGS. 19C and 21D of the drawings, when the flat valve 10A of the water purifier 2 according to the embodiment of the present invention further has a standby working position, when the flat valve 10A is in the standby working position, the flat The fifth channel 105A of the valve 10A only communicates with the raw water inlet channel 107A. The sixth channel 106A is blocked by the first fluid control surface 1210A of the fixed valve disc 121A, due to the fifth channel of the planar valve 10A 105A is only connected to the raw water inlet channel 107A, so the flow of raw water into the flat valve 10A through the raw water inlet 1105 is cut off by the flat valve 10A. The raw water is controlled to no longer enter and be purified by the filter device 20, and no water is supplied to the user, that is, when the water purifier 2 is in the standby working position, the flat valve 10A is blocked. As shown in FIG. 21D of the drawings, when the flat valve 10A of the water purifier 2 according to the embodiment of the present invention is in the standby working position, the first passage 101A, the

second passage

102A, and 102A of the flat valve 10A The third passage 103A and the fourth passage 104A are blocked (or closed) by the movable valve disc 122A, respectively.

As shown in Figure 13, Figure 16A, Figure 17A and Figure 17B of the drawings, the fixed valve disc 121A of the valve core 12A of the flat valve 10A of the water purifier 2 according to the embodiment of the present invention includes a high end 1211A , A low end portion 1212A and a fixing portion 1213A arranged between the high end portion 1211A and the low end portion 1212A, wherein the high end portion 1211A forms the first fluid control surface 1210A of the fixed valve disc 121A, the low The end 1212A is disposed in the valve cavity 110 of the valve body 11. Preferably, the low end 1212A of the fixed valve disc 121A of the valve core 12A of the flat valve 10A of the water purifier 2 of the present invention is integrally formed on the inner wall of the valve body 11 of the flat valve 10A.

As shown in Figure 13, Figure 16A, Figure 17A and Figure 17G, the flat valve 10A of the water purifier 2 according to the embodiment of the present invention further includes a sealing component 13A, wherein the sealing component 13A has a first The sealing element 131A, wherein the first sealing element 131A is disposed between the high end portion 1211A and the fixing portion 1213A of the fixed valve disc 121A. Further, the first sealing member 131A has a plurality of first sealing strips 1311A, and the fixing portion 1213A of the fixed valve plate 121A has a set of first sealing grooves 12130A, wherein the first sealing grooves 12130A are respectively arranged around the fixed The first channel 101A, the second channel 102A, the third channel 103A, the fourth channel 104A, and the raw water inlet channel 107A of the valve disc 121A, the first sealing strip 1311A of the first sealing member 131A according to the The first sealing groove 12130A of the fixing portion 1213A is provided, so that the first sealing strip 1311A of the first sealing member 131A can be engaged with the first sealing groove 12130A of the fixing portion 1213A and the fixed valve plate 121A Seal between the high end portion 1211A and the fixed portion 1213A. It can be understood that the first sealing groove 12130A is formed on the side of the fixing portion 1213A facing the high end portion 1211A. Further, the sealing assembly 13A has a second sealing element 132A, wherein the second sealing element 132A is disposed between the fixed portion 1213A and the low end portion 1212A of the fixed valve plate 121A. Further, the second sealing member 132A has a plurality of second sealing strips 1321A, and the fixed portion 1213A of the fixed valve plate 121A has a set of second sealing grooves 12131A, wherein the second sealing grooves 12131A are arranged to surround the fixed parts respectively. The first channel 101A, the second channel 102A, the third channel 103A, the fourth channel 104A, and the raw water inlet channel 107A of the valve disc 121A, the second sealing strip 1321A of the second sealing member 132A according to the The second sealing groove 12131A of the fixing portion 1213A is provided, so that the second sealing strip 1321A of the second sealing member 132A can be engaged with the second sealing groove 12131A of the fixing portion 1213A and the fixed valve disc 121A Seal between the low end portion 1212A and the fixed portion 1213A. It can be understood that the second sealing groove 12131A is formed on the side of the fixing portion 1213A facing the low end portion 1212A.

As shown in FIGS. 13, 16A, 17A, and 17B of the drawings, the receiving chamber 410 of the fixing bracket 41 of the fixing device 40 of the water purifier 2 according to the embodiment of the present invention is configured to accommodate the The high end portion 1211A of the fixed valve disc 121A and the movable valve disc 122A are contained therein. As shown in FIGS. 13, 16A, 17A, and 17B of the drawings, further, the high end portion 1211A of the fixed valve disc 121A is adapted to be detachably clamped to the fixed portion 1213A of the fixed valve disc 121A The fixed portion 1213A of the fixed valve disc 121A is adapted to be detachably clamped to the low end 1212A of the fixed valve disc 121A, so that the high end 1211A of the fixed valve disc 121A cannot be opposed to the fixed portion 1213A. When rotating, the fixed portion 1213A of the fixed valve plate 121A cannot rotate relative to the low end portion 1212A.

As shown in FIGS. 20A to 21D of the drawings, the first fluid control surface 1210A of the fixed valve plate 121A of the flat valve 10A of the water purifier 2 according to the embodiment of the present invention has a dotted line in the figure. The central portion 12101A, an extension portion 12102A extending outward from the central portion 12101A, and an edge portion 12103A extending outward from the extension portion 12102A, wherein the central portion 12101A, the extension portion 12102A and the edge portion 12103A are provided in The top end portion 1214A of the fixed valve plate 121A, the extension portion 12102A of the first fluid control surface 1210A and the edge portion 12103A (or the part other than the central portion 12101A) are equally divided into one shown by a dashed line The first part 1201A, a second part 1202A, a third part 1203A and a fourth part 1204A; the second fluid control surface 1220A of the movable valve disc 122A of the planar valve 10A has a dashed line shown in the figure The central area 12201A, an extension area 12202A extending outward from the central area 12201A, and an edge area 12203A extending outward from the extension area 12202A, wherein the central area 12201A, the extension area 12202A, and the edge area 12203A are provided in the The bottom end 1221A of the movable valve disc 122A, the extension area 12202A of the second fluid control surface 1220A and the edge area 12203A (the part outside the central area 12201A) are equally divided into a first as shown by a dashed line A region 2001A, a second region 2002A, a third region 2003A, and a fourth region 2004A; wherein the first channel 101A extends downward from the first portion 1201A of the first fluid control surface 1210A of the fixed valve disc 121A , The second passage 102A extends downward from the third portion 1203A of the first fluid control surface 1210A of the fixed valve disc 121A, and the third passage 103A extends from the first fluid control surface 1210A of the fixed valve disc 121A The third portion 1203A extends downward, the fourth channel 104A extends downward from the first portion 1201A of the first fluid control surface 1210A of the fixed valve plate 121A, and the raw water inlet channel 107A extends from the fixed valve plate 121A. The central portion 12101A of the first fluid control surface 1210A extends downward, and the fifth channel 105A extends upward from the first area 2001A and the central area 12201A of the second fluid control surface 1220A of the movable valve disc 122A. The sixth channel 106A extends upward from the third area 2003A of the second fluid control surface 1220A of the movable valve plate 122A. As shown in FIGS. 20A to 20D of the drawings, preferably, the extension portion 12102A and the edge portion 12103A of the first fluid control surface 1210A are divided clockwise into the first portion 1201A, the second portion 1202A, and the The third portion 1203A and the fourth portion 1204A, the extension area 12202A and the edge area 12203A of the second fluid control surface 1220A of the movable valve disc 122A of the planar valve 10A are equally divided into the first area 2001A in a clockwise direction , The second area 2002A, the third area 2003A, and the fourth area 2004A. In other words, the first fluid control surface 1210A of the fixed valve plate 121A of the planar valve 10A forms four equal parts, and the second fluid control surface 1220A of the movable valve plate 122A of the planar valve 10A forms four equal parts. , Wherein when the movable valve disc 122A of the planar valve 10A is rotated to the first bisector (the first area 2001A) of the second fluid control surface 1220A of the movable valve disc 122A is facing the fixed valve disc 121A When the first equal division of the first fluid control surface 1210A (the first part 1201A), the third equal division of the second fluid control surface 1220A of the movable valve disc 122A of the planar valve 10A (the third area 2003A) ) Is facing the third equal division (the third part 1203A) of the first fluid control surface 1210A of the fixed valve plate 121A, so that the fifth channel 105A of the planar valve 10A is respectively connected to the raw water inlet channel 107A and The first channel 101A is connected, and the sixth channel 106A is respectively connected to the second channel 102A and the third channel 103A to allow raw water from the raw water inlet 1105, the raw water inlet channel 107A, and the fifth channel 105A. , The first channel 101A, the first opening 1101 flows into the first communication opening 201 of the filter device 20 and the raw water channel 2101. After the raw water is filtered by the filter element 22 of the filter device 20, it passes through the filter element 22. The water outlet 2201 and the second communication opening 202 flow out and are provided through the second opening 1102, the second passage 102A, the sixth passage 106A, the third passage 103A, and the third opening 1103. Accordingly, At this time, the water purifier 2 is in the filtering position. Further, when the movable valve disc 122A of the planar valve 10A is rotated to the first bisector (the first area 2001A) of the second fluid control surface 1220A of the movable valve disc 122A is facing the fixed valve disc 121A When the fourth equal division (the fourth part 1204A) of the first fluid control surface 1210A of the flat valve 10A, the third equal division (the third part 1204A) of the movable valve disc 122A of the planar valve 10A Area 2003A) is facing the second equal division (the second part 1202A) of the first fluid control surface 1210A of the fixed valve disc 121A, so that the fifth channel 105A of the planar valve 10A is only connected to the raw water inlet channel 107A is connected, the sixth channel 106A is blocked by the first fluid control surface 1210A of the fixed valve disc 121A, the planar valve 10A controls the raw water to no longer enter the filter device 20 and be purified by it, and does not supply water to the user , Correspondingly, the water purifier 2 is in the standby working position at this time. Further, when the movable valve disc 122A of the planar valve 10A is rotated to the first bisector (the first area 2001A) of the second fluid control surface 1220A of the movable valve disc 122A is facing the fixed valve disc 121A When the third equal division (the third part 1203A) of the first fluid control surface 1210A of the flat valve 10A, the third equal division (the third part 1203A) of the movable valve disc 122A of the planar valve 10A The area 2003A) is the first equal division (the first part 1201A) of the first fluid control surface 1210A of the fixed valve plate 121A, so that the fifth channel 105A of the planar valve 10A and the raw water inlet channel 107A are respectively Connected to the second channel 102A, the sixth channel 106A is respectively connected to the first channel 101A and the fourth channel 104A to allow raw water to pass from the raw water inlet 1105, the raw water inlet channel 107A, and the fifth channel 105A, the second channel 102A, the second opening 1102 flows into the second communication opening 202 of the filter device 20 and the purified water outlet 2201 of the filter element 22, and the raw water is backwashed (refers to when the water is in the filter element The flow direction of water 22 is opposite to the flow direction of the filter element 22 during filtration.) After the filter element 22 of the filter device 20, it flows out through the raw water channel 2101 and the first communication opening 201, and then passes through the first opening 1101 The channel 101A, the sixth channel 106A, the fourth channel 104A and the sewage opening 1104 are discharged, and correspondingly, the water purifier 2 is in the backwash working position at this time. It can be understood that the first channel 101A, the second channel 102A, the third channel 103A, and the fourth channel 104A of the flat valve 10A of the water purifier 2 according to the embodiment of the present invention are in the fixed position of the flat valve 10A. The first fluid control surface 1210A of the valve disc 121A is distributed so that when the movable valve disc 122A of the flat valve 10A of the water purifier 2 rotates relative to the fixed valve disc 121A, so that the flat valve 10A starts from the standby working position When switching to the filtering working position (or switching from the filtering working position to the standby working position), or switching from the standby working position to the backwash working position (or switching from the backwashing working position to the standby working position) At this time, even if the working position is not completely switched (or during the switching process), the movable valve disc 122A of the flat valve 10A can also rotate relative to the fixed valve disc 121A to achieve stable conduction of the flow channel. The main reason is that when the planar valve 10A is switched from the standby working position to the filtering working position or from the filtering working position to the standby working position, during the switching process, the fifth channel 105A of the planar valve 10A is always different It is in stable communication with the raw water inlet channel 107A and the first channel 101A, the sixth channel 106A of the planar valve 10A is always in stable communication with the second channel 102A and the third channel 103A, respectively; in the planar valve 10A from the When the standby working position is switched to the backwash working position or from the backwash working position to the standby working position, during the switching process, the fifth channel 105A of the planar valve 10A is always connected to the raw water inlet channel 107A and The second channel 102A is in stable communication, and the sixth channel 106A of the planar valve 10A is always in stable communication with the first channel 101A and the fourth channel 104A, so as to ensure that the planar valve 10A is switched from the standby working position to the When the filter work position is switched from the filter work position to the standby work position, and when the standby work position is switched to the backwash work position or the backwash work position is switched to the standby work position, no streaming will occur, In this way, the stepless control of the flow rate of the water flowing through the control valve 10A is ensured during the process of station switching.

As shown in FIGS. 20A to 21D of the drawings, the second channel 102A and the third channel 103A of the flat valve 10A of the water purifier 2 according to the embodiment of the present invention extend along the first fluid control surface 1210A, And the extension directions of the second channel 102A and the third channel 103A are the same, and the fifth channel 105A corresponds to the sixth channel 106A, so that when the movable valve disc 122A of the planar valve 10A is rotated to the first When the five channels 105A coincide with the raw water inlet channel 107A and the first channel 101A, the sixth channel 106A coincides with the second channel 102A and the third channel 103A at the same time. At this time, the user can control the flow rate of the raw water flowing to the filter device 20 by adjusting the degree of overlap between the fifth channel 105A and the first channel 101A. It can be understood that when the user adjusts the degree of overlap between the fifth channel 105A and the first channel 101A, the degree of overlap between the sixth channel 106A and the second channel 102A (and the third channel 103A) is also adjusted accordingly. Therefore, the user can adjust the water inlet and outlet of the water purifier 2 of the embodiment of the present invention to realize the stepless flow control of the water purifier 2 of the embodiment of the present invention. In other words, when the control valve 10A is switched to its filtering position, the channel of the movable valve disc 122A (the fifth channel 105A and the fifth channel 105A and the fifth channel 105A) can be adjusted by rotating the movable valve disc 122A around the center The degree of overlap between the sixth channel 106A) and the channels of the fixed valve disc 121A (the first channel 101A, the second channel 102A, and the third channel 103A) realizes the control of the water inlet and outlet of the water purifier 2 Stepless flow control. Preferably, the second channel 102A is located inside the third channel 103A, and the third channel 103A corresponds to the second channel 102A. Preferably, the first channel 101A, the second channel 102A, and the third channel 102A are all arc-shaped, the fifth channel 105A (the fifth channel 105A is in the part of the extension area 12202A) and the sixth channel 106A All are curved. More preferably, the first channel 101A, the second channel 102A, and the third channel 102A all extend arcuately around the center of the first fluid control surface 1210A of the fixed valve plate 121A of the planar valve 10A, and the fifth channel 105A (the fifth channel 105A is in the part of the extension area 12202A) and the sixth channel 106A both extend arc-shaped around the center of the second fluid control surface 1220A of the movable valve plate 122A. Most preferably, the first passage 101A, the second passage 102A, and the third passage 102A all extend arcuately around the central portion 12101A of the first fluid control surface 1210A of the fixed valve plate 121A of the planar valve 10A, and The fifth passage 105A (the fifth passage 105A is in the part of the extension area 12202A) and the sixth passage 106A both extend arc-shaped around the central area 12201A of the second fluid control surface 1220A of the movable valve disc 122A, and The second channel 102A and the third channel 102A correspond to the same central angle, so as to easily realize the stepless control of the water flow of the planar valve 10A. Optionally, the first fluid control surface 1210A is circular, and the second channel 102A and the third channel 103A extend along the tangential direction of the first fluid control surface 1210A. Preferably, the fifth channel 105A and the sixth channel 106A are arranged at two relative positions of the movable valve plate 122A, and the first channel 101A and the second channel 102A are symmetrical. More preferably, the central angle corresponding to the fifth channel 105A (the part of the fifth channel 105A in the extension area 12202A) and the central angle corresponding to the first channel 101A are equal in size, and the central angle corresponding to the sixth channel 106A The central angle corresponding to the second channel 102A has the same size, so as to easily realize the stepless control of the water flow of the planar valve 10A. Most preferably, the center of the circle corresponding to the first channel 101A, the second channel 102A, the third channel 103A, the fifth channel 105A (the fifth channel 105A is in the extension area 12202A) and the sixth channel 106A The angles are equal in size.

As shown in FIGS. 20A to 21D of the drawings, it is worth noting that when the user needs to switch the water purifier 2 according to the embodiment of the present invention from the filtering working state to the standby working state, he only needs to rotate the plane counterclockwise The movable valve disc 122A of the valve 10A has an equal angle so that the first area 2001A of the second fluid control surface 1220A of the movable valve disc 122A is facing the first fluid control surface 1210A of the fixed valve disc 121A The fourth part 1204A; when the user needs to switch the water purifier 2 according to the embodiment of the present invention from the standby working state to the backwash working state, only need to turn the movable valve plate 122A of the flat valve 10A counterclockwise again, etc. The angle is divided so that the first area 2001A of the second fluid control surface 1220A of the movable valve disc 122A is facing the third portion 1203A of the first fluid control surface 1210A of the fixed valve disc 121A. In other words, the structure of the flat valve 10A of the water purifier 2 of the present invention enables the three working states of the water purifier 2 to be continuously distributed, namely the filtering working state, the standby working state and the backwash working state, so that the water purifier of the present invention The switching between the adjacent working states of the filtering working state, the standby working state and the backwash working state of 2 only needs to rotate the movable valve plate 122A of the planar valve 10A by an equal angle. The switching mode between the three working states of the water purifier 2 determined by the structure of the flat valve 10A of the water purifier 2 of the present invention will make the switching between the three working states of the water purifier 2 of the present invention more suitable for use The user’s usage habits and it is not easy for the user to switch between working states due to the different rotation angles, which leads to wrong switching of working states.

It can be understood that because the extension portion 12102A and the edge portion 12103A of the first fluid control surface 1210A of the flat valve 10A of the water purifier 2 according to the embodiment of the present invention are divided into four equal parts, the movable valve of the flat valve 10A The extension area 12202A and the edge area 12203A of the second fluid control surface 1220A of the sheet 122A are divided into four equal parts. Accordingly, the water purifier 2 of the present invention realizes a working state switch every time the movable valve sheet of the planar valve 10A 122A rotates 90 degrees. In other words, a bisecting angle of the movable valve disc 122A and the fixed valve disc 121A of the flat valve 10A is 90 degrees. Optionally, the extension portion 12102A and the edge portion 12103A of the first fluid control surface 1210A are equally divided into the first portion 1201A, the second portion 1202A, the third portion 1203A, and the fourth portion 1204A counterclockwise, The extension area 12202A and the edge area 12203A of the second fluid control surface 1220A of the movable valve disc 122A of the planar valve 10A are equally divided into the first area 2001A, the second area 2002A, and the third area counterclockwise. 2003A and the fourth area 2004A. At this time, the structure of the flat valve 10A of the water purifier 2 of the present invention enables the three working states of the backwash working state, the standby working state and the filtering working state of the water purifier 2 to be continuously distributed, so that the water purifier 2 of the present invention The switching between the adjacent working states of the backwash working state, the standby working state and the filtering working state only needs to rotate the movable valve plate 122A of the planar valve 10A by an equal angle. In addition, as described above, when the water purifier 2 according to the embodiment of the present invention is switched from the standby working state to the filtering working state, the passage of the movable valve plate 122A (the fifth passage 105A and the sixth passage 106A) and the degree of overlap of the channels of the fixed valve disc 121A (the first channel 101A, the second channel 102A, and the third channel 103A) to realize the stepless flow rate of the inlet and outlet water of the water purifier 2 control. However, when the water purifier 2 is switched from the standby working state to the filtering working state, the fifth channel 105A of the movable valve plate 122A can be directly aligned with the fixed valve plate 121A by rotating an equal angle. The raw water inlet channel 107A and the first channel 101A, and the sixth channel 106A are switching the states of the second channel 102A and the third channel 103A. At this time, the flow rate of the inlet and outlet water of the water purifier 2 is the largest. It is understandable that the water purifier 2 can also be quickly switched from the filtering working state to the standby working state by rotating an equal angle.

As shown in FIGS. 13 and 21A to 21D of the drawings, the flat valve 10A of the water purifier 2 according to the embodiment of the present invention further includes a stop mechanism 14A, wherein the stop mechanism 14A is configured to prevent The ineffective rotation of the movable valve disc 122A of the flat valve 10A relative to the fixed valve disc 121A. In other words, when the movable valve disc 122A of the planar valve 10A is rotated to the second fluid control surface 1220A of the movable valve disc 122A, the first area 2001A is facing the first fluid control surface of the fixed valve disc 121A. The first part 1201A of 1210A. When the water purifier 2 of the present invention is switched to the filtering working state, rotating the movable valve plate 122A of the flat valve 10A clockwise by an equal angle will result in the fifth of the flat valve 10A. The channel 105A only communicates with the raw water inlet channel 107A, and the plane valve 10A controls the raw water to no longer enter the filter device 20 and be purified by it, and does not supply water to the user; when the movable valve plate of the plane valve 10A 122A is rotated to the first area 2001A of the second fluid control surface 1220A of the movable valve plate 122A to face the third portion 1203A of the first fluid control surface 1210A of the fixed valve plate 121A, the water purifier of the present invention 2 When switched to the backwashing operation, rotating the movable valve plate 122A of the planar valve 10A counterclockwise by an equal angle will cause the fifth channel 105A of the planar valve 10A to only communicate with the raw water inlet channel 107A. The plane valve 10A controls the raw water to no longer enter the filter device 20 and be purified by it, and also does not supply water to the user. Because the flat valve 10A of the water purifier 2 of the embodiment of the present invention already has a standby operating state, the rotation of the movable valve disc 122A of the two flat valves 10A relative to the fixed valve disc 121A is also equivalent to standby operation. Status, too much of the same status will increase the difficulty of use, so it is also invalid rotation.

As shown in FIGS. 13 and 21A to 21D of the drawings, the stopping mechanism 14A of the water purifier 2 according to the embodiment of the present invention includes a first limiting member 141A and a second limiting member 142A, wherein The first limiting member 141A and the second limiting member 142A are respectively arranged on the valve body 11, wherein the first limiting member 141A is arranged so that the movable valve disc 122A of the planar valve 10A can be rotated to the When the first area 2001A of the second fluid control surface 1220A of the movable valve disc 122A is facing the first portion 1201A of the first fluid control surface 1210A of the fixed valve disc 121A, it blocks the knob 80 from further rotating clockwise; The two limiting members 142A are arranged so that the movable valve disc 122A of the flat valve 10A can be rotated to the first area 2001A of the second fluid control surface 1220A of the movable valve disc 122A to be in front of the first area 2001A of the fixed valve disc 121A. When the third portion 1203A of a fluid control surface 1210A prevents the knob 80 from further rotating counterclockwise, the movable valve disc 122A of the flat valve 10A is prevented from rotating invalid relative to the fixed valve disc 121A. The stopper mechanism 14A of the water purifier 2 according to the embodiment of the present invention further includes a stopper 143A, wherein the stopper 143A is disposed on the knob 80 and protrudes outward from the knob 80 so as to be able to The movable valve disc 122A of the planar valve 10A is rotated to the first area 2001A of the second fluid control surface 1220A of the movable valve disc 122A to face the first portion of the first fluid control surface 1210A of the fixed valve disc 121A At 1201A, it is blocked by the first stopper 141A, and the movable valve disc 122A of the flat valve 10A can be rotated to the first area 2001A of the second fluid control surface 1220A of the movable valve disc 122A. When the third portion 1203A of the first fluid control surface 1210A of the fixed valve disc 121A is blocked by the second limiting member 142A.

As shown in FIG. 13 of the drawings, the flat valve 10A of the water purifier 2 according to the embodiment of the present invention further includes a prompting mechanism 15A, wherein the prompting mechanism 15A is configured to switch the water purifier of the present invention by the user 2 When it is in the backwash working state, the knob 80 is given a block, so that the user can obviously increase the rotational force of turning the knob 80, and then the knob 80 can be turned to continue to rotate and switch the water purifier 2 of the present invention to the backwash working state . In this way, the user can be prompted that the water purifier 2 of the present invention is switched to the backwash working state.

As shown in Fig. 13 of the drawings, the prompt mechanism 15A of the flat valve 10A of the water purifier 2 according to the embodiment of the present invention includes a passive element 151A and an elastic element 152A, wherein the passive element 151A includes a passive end 1511A and a fixed end 1512A extending from the passive end 1511A, wherein the elastic element 152A is disposed at the fixed end 1512A, and the passive end 1511A is disposed toward the knob 80, wherein when the user rotates the flat valve 10A, the movement Valve plate 122A, so that the first area 2001A of the second fluid control surface 1220A of the movable valve plate 122A is facing the third portion 1203A of the first fluid control surface 1210A of the fixed valve plate 121A, the prompt mechanism The passive end 1511A of the passive element 151A of 15A will be blocked by the stopper 143A. When the user increases the force to rotate the knob 80, the stopper 143A drives the passive end 1511A of the passive element 151A, thereby The elastic element 152A is deformed, and the knob 80 is continued to rotate, and the movable valve disc 122A is allowed to continue to rotate, and the first area 2001A of the second fluid control surface 1220A of the movable valve disc 122A is aligned with the fixed The third portion 1203A of the first fluid control surface 1210A of the valve plate 121A. Preferably, the elastic element 152A is a spring.

As shown in FIG. 13 of the drawings, further, the valve body 11 includes a valve body 111 and a valve housing 112, wherein the valve housing 112 is disposed on the outer surface of the valve body 111. It can be understood that the first limiting member 141A, the second limiting member 142A and the prompt mechanism 15A are respectively disposed on the valve housing 112 of the valve body 11. Further, the valve housing 112 of the valve body 11 includes an upper housing 1121 and a lower housing 1122, wherein the upper housing 1121 and the lower housing 1122 of the valve housing 112 form a space between the two The valve body cavity 1120, wherein the valve body cavity 1120 is arranged to be capable of accommodating the valve body 111 of the valve body 11 therein.

As shown in FIGS. 18A to 18F and 20A to 21D of the drawings, according to an embodiment of the present invention, the present invention further provides a valve plate assembly for a flat valve 10A of a water purifier 2, which includes a fixed valve Plate 121A and a moving valve plate 122A, wherein the fixed valve plate 121A has a first fluid control surface 1210A, the moving valve plate 122A has a second fluid control surface 1220A, wherein the moving valve plate 122A and the fixed valve plate 121A Are arranged in the valve cavity 110, wherein the second fluid control surface 1220A of the movable valve disc 122A is arranged on the first fluid control surface 1210A of the fixed valve disc 121A, and the movable valve disc 122A is arranged to be able to face each other The fixed valve plate 121A rotates, and the planar valve 10A has a first channel 101A, a second channel 102A, a third channel 103A, a fourth channel 104A, a fifth channel 105A, a sixth channel 106A, and a The raw water inlet channel 107A, wherein the first channel 101A, the second channel 102A, the third channel 103A, the fourth channel 104A and the raw water inlet channel 107A are respectively provided on the fixed valve plate 121A and are respectively set from the fixed valve plate 121A. The first fluid control surface 1210A of the valve plate 121A extends; the fifth passage 105A and the sixth passage 106A are respectively provided on the movable valve plate 122A and respectively extend from the second fluid control surface 1220A of the movable valve plate 122A, The first channel 101A is connected to the first opening 1101, the second channel 102A is connected to the second opening 1102, the third channel 103A is connected to the third opening 1103, and the fourth channel 104A is connected to the The sewage opening 1104 is connected, the fifth channel 105A is connected with the raw water inlet channel 107A, and the raw water inlet channel 107A is connected with the raw water inlet 1105. Preferably, the fifth channel 105A and the sixth channel 106A of the movable valve disc 122A are blind holes.

It is worth noting that most of the existing faucet water purifiers, and possibly all the existing faucet water purifiers in practical applications, cannot be achieved except for the purification of raw water (such as filtration or ultrafiltration) and raw water supply For example, it is difficult to control the reverse flushing of the filter element 22 of the faucet water purifier. This is related to the structure of the control valve used in the existing faucet water purifier. Due to the small size of faucet water purifiers, the application occasions are often restricted. Therefore, the control valve of most existing faucet water purifiers is simple in structure and cannot be controlled to purify raw water (such as filtration or ultrafiltration) and raw water. Complex functions beyond supply. The control valve 10 (control valve 10A) of the water purifier of the present invention has been purposefully designed, and its special structure can be integrated with the faucet and at the same time can control the reverse flushing of the filter element 22 of the water purifier of the present invention. .

It is worth noting that the first, second, third, fourth, fifth and/or sixth in this article are only used to name different parts (or elements) of the present invention and to make different parts, elements and structures of the present invention The distinction between them does not have the meaning of order or number.

Those skilled in the art should understand that the above description and the embodiments of the present invention shown in the drawings are only examples and do not limit the present invention.

The purpose of the present invention has been completely and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the principles, the embodiments of the present invention may have any deformation or modification.

Claims

A water purifier, characterized in that it comprises:

A control valve to control the flow of water; and

A filter device for purifying raw water, wherein the filter device includes a housing and a filter element, wherein the housing forms a first housing cavity, wherein the filter element is disposed in the first housing cavity of the housing, wherein the filter device It has a first communication opening and a second communication opening; the control valve includes a valve body and a valve core, wherein the valve body forms a valve cavity, a first opening, a second opening, a third opening, and a A raw water inlet and a sewage opening, wherein the valve core is arranged in the valve cavity, wherein the first opening of the valve body is adapted to communicate with the first communication opening of the filter device, and the second opening of the valve body It is suitable for communicating with the second communication opening of the filter device, and the raw water inlet of the valve body is suitable for communicating with a raw water source.
The water purifier according to claim 1, wherein when the control valve is in a filtering working position, the valve core of the control valve forms a valve which is respectively connected to the first opening of the valve body and the raw water inlet The first communication channel communicates with the second opening and the third opening of the valve body respectively; when the control valve is in a standby working position, the flow of raw water to the filter device is reduced The control valve is shut off.
The water purifier according to claim 2, wherein when the control valve is in a backwash working position, the valve core of the control valve forms a valve which is respectively connected to the second opening of the valve body and the raw water inlet A third communication channel communicating with each other and a fourth communication channel communicating with the first opening and the drain opening of the valve body respectively.
The water purifier according to claim 2, wherein the control valve is a flat valve, wherein the valve core includes a fixed valve disc and a movable valve disc, wherein the fixed valve disc has a first fluid control surface , The movable valve disc has a second fluid control surface, wherein the movable valve disc and the fixed valve disc are both arranged in the valve cavity, and the second fluid control surface of the movable valve disc is arranged on the fixed valve disc The first fluid control surface, and the movable valve plate is set to be able to rotate relative to the fixed valve plate, the planar valve has a first channel, a second channel, a third channel, a fourth channel, a fifth A channel and a sixth channel, wherein the first channel, the second channel, the third channel and the fourth channel are respectively provided on the fixed valve plate and respectively extend from the first fluid control surface of the fixed valve plate; The fifth channel and the sixth channel are respectively provided on the movable valve plate and respectively extend from the second fluid control surface of the movable valve plate, wherein the first channel communicates with the first opening, and the second channel communicates with The second opening is in communication, the third channel is in communication with the third opening, the fourth channel is in communication with the sewage opening, and the fifth channel is in communication with the raw water inlet. When the plane valve is in the filtering operation When in position, the fifth channel of the plane valve is connected with the first channel, thereby forming the first communication channel respectively connected with the raw water inlet and the first opening, and the sixth channel of the plane valve is respectively connected with The second channel and the third channel are connected to each other to form the second communication channel respectively connected to the second opening and the third opening; when the plane valve is in the standby working position, the plane valve The fifth channel is blocked by the fixed valve plate.
The water purifier according to claim 4, wherein when the flat valve is in a backwash working position, the fifth channel of the flat valve communicates with the second channel, so as to form a valve which is connected to the raw water. The inlet and the second opening are connected to a third communication channel, and the sixth channel is respectively connected to the first channel and the fourth channel, thereby forming a fourth channel that is respectively connected to the first opening and the sewage opening. Connecting channel.
The water purifier according to claim 5, wherein when the flat valve is in the filtering working position, the fourth passage of the flat valve is blocked by the moving valve plate; when the flat valve is in the backwashing operation When in position, the third passage of the planar valve is blocked by the movable valve disc.
The water purifier according to claim 4, wherein the first fluid control surface of the fixed valve plate of the planar valve forms a central portion, an extension portion extending outward from the central portion, and an An edge portion of the extension portion extending outward, wherein the first channel and the second channel of the planar valve respectively extend from the edge portion of the first fluid control surface of the fixed valve disc, the third channel and the fourth channel Respectively extending from the extension portion of the first fluid control surface of the fixed valve disc, the second fluid control surface of the movable valve disc of the planar valve forms a central area and an extension area extending outward from the central area And an edge region extending outward from the extension region, the fifth channel of the planar valve extends from the edge region of the second fluid control surface of the movable valve plate, and the sixth channel is from the edge region of the movable valve plate The extension area and the edge area of the second fluid control surface extend.
7. The water purifier according to claim 7, wherein the first channel is arranged outside the fourth channel, and the second channel is arranged outside the third channel.
The water purifier according to claim 4, wherein the first channel, the second channel, the third channel, and the fourth channel of the planar valve are separated from each other on the fixed valve plate The first fluid control surface; the fifth channel and the sixth channel of the planar valve are separately arranged on the second fluid control surface of the moving valve disc.
The water purifier according to claim 2, wherein the control valve is a flat valve, wherein the valve core further includes a fixed valve disc and a movable valve disc, wherein the fixed valve disc has a first fluid control The movable valve disc has a second fluid control surface, wherein the movable valve disc and the fixed valve disc are both arranged in the valve cavity, and the second fluid control surface of the movable valve disc is arranged on the fixed valve The first fluid control surface of the disc, and the movable valve disc is configured to be able to rotate relative to the fixed valve disc. The planar valve has a first channel, a second channel, a third channel, a fourth channel, and a first channel. Five channels, a sixth channel and a raw water inlet channel, wherein the first channel, the second channel, the third channel, the fourth channel and the raw water inlet channel are respectively provided on the fixed valve plate and are respectively The first fluid control surface of the fixed valve plate extends; the fifth channel and the sixth channel are respectively provided on the movable valve plate and respectively extend from the second fluid control surface of the movable valve plate, wherein the first channel Communicate with the first opening, the second channel communicates with the second opening, the third channel communicates with the third opening, the fourth channel communicates with the sewage opening, and the raw water inlet channel communicates with The fifth channel is communicated with the raw water inlet, wherein when the flat valve is in the filtering working position, the fifth channel of the flat valve is respectively communicated with the raw water inlet channel and the first channel, thereby forming a connection with The raw water inlet is in communication with the first opening, the sixth channel of the planar valve is in communication with the second channel and the third channel, respectively, so as to form a connection with the second opening and the second opening, respectively. The second communication channel communicated with three openings; when the plane valve is in the standby working position, the fifth channel of the plane valve only communicates with the raw water inlet channel.
The water purifier according to claim 10, wherein when the flat valve is in a backwashing position, the fifth channel of the flat valve is respectively connected to the raw water inlet channel and the second channel, Thereby, a third communication channel respectively connected with the raw water inlet and the second opening is formed, and the sixth channel is respectively connected with the first channel and the fourth channel, thereby forming a third communication channel respectively connected with the first opening and the second opening. The fourth communication channel communicated with the sewage opening.
The water purifier according to claim 11, wherein when the flat valve is in the filtering working position, the fourth passage of the flat valve is blocked by the moving valve disc; when the flat valve is in the backwashing operation When in position, the third passage of the planar valve is blocked by the movable valve disc.
The water purifier according to claim 10, wherein the first fluid control surface of the fixed valve plate of the planar valve forms a central portion, an extension portion extending outward from the central portion, and an The edge portion of the extension portion extending outward, wherein the first channel and the second channel of the planar valve respectively extend from the extension portion of the first fluid control surface of the fixed valve disc, the third channel and the fourth channel Respectively extend from the edge portion of the first fluid control surface of the fixed valve plate, the raw water inlet channel extends from the central portion of the first fluid control surface of the fixed valve plate, and the movable valve plate of the flat valve plate The second fluid control surface forms a central area, an extension area extending outwards from the central area, and an edge area extending outwards from the extension area. The fifth passage of the planar valve is from the movable valve plate The extension area and the central area of the second fluid control surface extend, and the sixth passage extends from the extension area and the edge area of the second fluid control surface of the movable valve disc, wherein the first passage is disposed in the The inner side of the fourth channel, and the second channel is arranged on the inner side of the third channel.
The water purifier according to claim 10, wherein the first channel, the second channel, the third channel, the fourth channel, and the raw water inlet channel of the flat valve are separated from each other On the first fluid control surface of the fixed valve plate; the fifth channel and the sixth channel of the planar valve are separately arranged on the second fluid control surface of the movable valve plate.
The water purifier according to any one of claims 1-14, wherein the housing and the filter element form a raw water channel between the two, the filter element has a water purification outlet, and the filter device The first communication opening of the filter device communicates with the raw water channel of the filter device, and the second communication opening of the filter device communicates with the water purification outlet of the filter element.